{ "__type__": "cc.EffectAsset", "_name": "builtin-3d-particle", "_objFlags": 0, "_native": "", "properties": null, "techniques": [ { "name": "opaque-add", "passes": [ { "stage": "opaque", "rasterizerState": { "cullMode": 0 }, "blendState": { "targets": [ { "blend": true, "blendSrc": 770, "blendDst": 1, "blendSrcAlpha": 770, "blendDstAlpha": 1 } ] }, "depthStencilState": { "depthTest": true, "depthWrite": false }, "properties": { "mainTexture": { "value": "grey", "type": 29 }, "mainTiling_Offset": { "value": [ 1, 1, 0, 0 ], "type": 16 }, "tintColor": { "value": [ 0.5, 0.5, 0.5, 0.5 ], "inspector": { "type": "color" }, "type": 16 } }, "program": "builtin-3d-particle|particle-vs-legacy:lpvs_main|tinted-fs:add" } ] }, { "name": "opaque-alpha-blend", "passes": [ { "stage": "opaque", "rasterizerState": { "cullMode": 0 }, "blendState": { "targets": [ { "blend": true, "blendSrc": 770, "blendDst": 771, "blendSrcAlpha": 770, "blendDstAlpha": 771 } ] }, "depthStencilState": { "depthTest": true, "depthWrite": false }, "properties": { "mainTexture": { "value": "grey", "type": 29 }, "mainTiling_Offset": { "value": [ 1, 1, 0, 0 ], "type": 16 }, "tintColor": { "value": [ 0.5, 0.5, 0.5, 0.5 ], "inspector": { "type": "color" }, "type": 16 } }, "program": "builtin-3d-particle|particle-vs-legacy:lpvs_main|tinted-fs:add" } ] }, { "name": "opaque-add-multiply", "passes": [ { "stage": "opaque", "rasterizerState": { "cullMode": 0 }, "blendState": { "targets": [ { "blend": true, "blendSrc": 770, "blendDst": 771, "blendSrcAlpha": 770, "blendDstAlpha": 771 } ] }, "depthStencilState": { "depthTest": true, "depthWrite": false }, "properties": { "mainTexture": { "value": "grey", "type": 29 }, "mainTiling_Offset": { "value": [ 1, 1, 0, 0 ], "type": 16 }, "tintColor": { "value": [ 0.5, 0.5, 0.5, 0.5 ], "inspector": { "type": "color" }, "type": 16 } }, "program": "builtin-3d-particle|particle-vs-legacy:lpvs_main|tinted-fs:multiply" } ] }, { "name": "opaque-add-smooth", "passes": [ { "stage": "opaque", "rasterizerState": { "cullMode": 0 }, "blendState": { "targets": [ { "blend": true, "blendSrc": 770, "blendDst": 771, "blendSrcAlpha": 770, "blendDstAlpha": 771 } ] }, "depthStencilState": { "depthTest": true, "depthWrite": false }, "properties": { "mainTexture": { "value": "grey", "type": 29 }, "mainTiling_Offset": { "value": [ 1, 1, 0, 0 ], "type": 16 } }, "program": "builtin-3d-particle|particle-vs-legacy:lpvs_main|no-tint-fs:addSmooth" } ] }, { "name": "opaque-premultiply-blend", "passes": [ { "stage": "opaque", "rasterizerState": { "cullMode": 0 }, "blendState": { "targets": [ { "blend": true, "blendSrc": 770, "blendDst": 771, "blendSrcAlpha": 770, "blendDstAlpha": 771 } ] }, "depthStencilState": { "depthTest": true, "depthWrite": false }, "properties": { "mainTexture": { "value": "grey", "type": 29 }, "mainTiling_Offset": { "value": [ 1, 1, 0, 0 ], "type": 16 } }, "program": "builtin-3d-particle|particle-vs-legacy:lpvs_main|no-tint-fs:premultiplied" } ] }, { "name": "transparent-add", "passes": [ { "stage": "transparent", "rasterizerState": { "cullMode": 0 }, "blendState": { "targets": [ { "blend": true, "blendSrc": 770, "blendDst": 1, "blendSrcAlpha": 770, "blendDstAlpha": 1 } ] }, "depthStencilState": { "depthTest": true, "depthWrite": false }, "properties": { "mainTexture": { "value": "grey", "type": 29 }, "mainTiling_Offset": { "value": [ 1, 1, 0, 0 ], "type": 16 }, "tintColor": { "value": [ 0.5, 0.5, 0.5, 0.5 ], "inspector": { "type": "color" }, "type": 16 } }, "program": "builtin-3d-particle|particle-vs-legacy:lpvs_main|tinted-fs:add" } ] }, { "name": "transparent-alpha-blend", "passes": [ { "stage": "transparent", "rasterizerState": { "cullMode": 0 }, "blendState": { "targets": [ { "blend": true, "blendSrc": 770, "blendDst": 771, "blendSrcAlpha": 770, "blendDstAlpha": 771 } ] }, "depthStencilState": { "depthTest": true, "depthWrite": false }, "properties": { "mainTexture": { "value": "grey", "type": 29 }, "mainTiling_Offset": { "value": [ 1, 1, 0, 0 ], "type": 16 }, "tintColor": { "value": [ 0.5, 0.5, 0.5, 0.5 ], "inspector": { "type": "color" }, "type": 16 } }, "program": "builtin-3d-particle|particle-vs-legacy:lpvs_main|tinted-fs:add" } ] }, { "name": "transparent-add-multiply", "passes": [ { "stage": "transparent", "rasterizerState": { "cullMode": 0 }, "blendState": { "targets": [ { "blend": true, "blendSrc": 770, "blendDst": 771, "blendSrcAlpha": 770, "blendDstAlpha": 771 } ] }, "depthStencilState": { "depthTest": true, "depthWrite": false }, "properties": { "mainTexture": { "value": "grey", "type": 29 }, "mainTiling_Offset": { "value": [ 1, 1, 0, 0 ], "type": 16 }, "tintColor": { "value": [ 0.5, 0.5, 0.5, 0.5 ], "inspector": { "type": "color" }, "type": 16 } }, "program": "builtin-3d-particle|particle-vs-legacy:lpvs_main|tinted-fs:multiply" } ] }, { "name": "transparent-add-smooth", "passes": [ { "stage": "transparent", "rasterizerState": { "cullMode": 0 }, "blendState": { "targets": [ { "blend": true, "blendSrc": 770, "blendDst": 771, "blendSrcAlpha": 770, "blendDstAlpha": 771 } ] }, "depthStencilState": { "depthTest": true, "depthWrite": false }, "properties": { "mainTexture": { "value": "grey", "type": 29 }, "mainTiling_Offset": { "value": [ 1, 1, 0, 0 ], "type": 16 } }, "program": "builtin-3d-particle|particle-vs-legacy:lpvs_main|no-tint-fs:addSmooth" } ] }, { "name": "transparent-premultiply-blend", "passes": [ { "stage": "transparent", "rasterizerState": { "cullMode": 0 }, "blendState": { "targets": [ { "blend": true, "blendSrc": 770, "blendDst": 771, "blendSrcAlpha": 770, "blendDstAlpha": 771 } ] }, "depthStencilState": { "depthTest": true, "depthWrite": false }, "properties": { "mainTexture": { "value": "grey", "type": 29 }, "mainTiling_Offset": { "value": [ 1, 1, 0, 0 ], "type": 16 } }, "program": "builtin-3d-particle|particle-vs-legacy:lpvs_main|no-tint-fs:premultiplied" } ] } ], "shaders": [ { "hash": 1682193167, "glsl3": { "vert": "\nprecision highp float;\nvec4 quaternionFromAxis(vec3 xAxis,vec3 yAxis,vec3 zAxis){\n mat3 m = mat3(xAxis,yAxis,zAxis);\n float trace = m[0][0] + m[1][1] + m[2][2];\n vec4 quat;\n if (trace > 0.) {\n float s = 0.5 / sqrt(trace + 1.0);\n quat.w = 0.25 / s;\n quat.x = (m[2][1] - m[1][2]) * s;\n quat.y = (m[0][2] - m[2][0]) * s;\n quat.z = (m[1][0] - m[0][1]) * s;\n } else if ((m[0][0] > m[1][1]) && (m[0][0] > m[2][2])) {\n float s = 2.0 * sqrt(1.0 + m[0][0] - m[1][1] - m[2][2]);\n quat.w = (m[2][1] - m[1][2]) / s;\n quat.x = 0.25 * s;\n quat.y = (m[0][1] + m[1][0]) / s;\n quat.z = (m[0][2] + m[2][0]) / s;\n } else if (m[1][1] > m[2][2]) {\n float s = 2.0 * sqrt(1.0 + m[1][1] - m[0][0] - m[2][2]);\n quat.w = (m[0][2] - m[2][0]) / s;\n quat.x = (m[0][1] + m[1][0]) / s;\n quat.y = 0.25 * s;\n quat.z = (m[1][2] + m[2][1]) / s;\n } else {\n float s = 2.0 * sqrt(1.0 + m[2][2] - m[0][0] - m[1][1]);\n quat.w = (m[1][0] - m[0][1]) / s;\n quat.x = (m[0][2] + m[2][0]) / s;\n quat.y = (m[1][2] + m[2][1]) / s;\n quat.z = 0.25 * s;\n }\n float len = quat.x * quat.x + quat.y * quat.y + quat.z * quat.z + quat.w * quat.w;\n if (len > 0.) {\n len = 1. / sqrt(len);\n quat.x = quat.x * len;\n quat.y = quat.y * len;\n quat.z = quat.z * len;\n quat.w = quat.w * len;\n }\n return quat;\n}\nvec4 quaternionFromEuler(vec3 angle){\n float x = angle.x / 2.;\n float y = angle.y / 2.;\n float z = angle.z / 2.;\n float sx = sin(x);\n float cx = cos(x);\n float sy = sin(y);\n float cy = cos(y);\n float sz = sin(z);\n float cz = cos(z);\n vec4 quat = vec4(0);\n quat.x = sx * cy * cz + cx * sy * sz;\n quat.y = cx * sy * cz + sx * cy * sz;\n quat.z = cx * cy * sz - sx * sy * cz;\n quat.w = cx * cy * cz - sx * sy * sz;\n return quat;\n}\nmat4 matrixFromRT(vec4 q, vec3 p){\n float x2 = q.x + q.x;\n float y2 = q.y + q.y;\n float z2 = q.z + q.z;\n float xx = q.x * x2;\n float xy = q.x * y2;\n float xz = q.x * z2;\n float yy = q.y * y2;\n float yz = q.y * z2;\n float zz = q.z * z2;\n float wx = q.w * x2;\n float wy = q.w * y2;\n float wz = q.w * z2;\n return mat4(\n 1. - (yy + zz), xy + wz, xz - wy, 0,\n xy - wz, 1. - (xx + zz), yz + wx, 0,\n xz + wy, yz - wx, 1. - (xx + yy), 0,\n p.x, p.y, p.z, 1\n );\n}\nmat4 matFromRTS(vec4 q, vec3 t, vec3 s){\n float x = q.x, y = q.y, z = q.z, w = q.w;\n float x2 = x + x;\n float y2 = y + y;\n float z2 = z + z;\n float xx = x * x2;\n float xy = x * y2;\n float xz = x * z2;\n float yy = y * y2;\n float yz = y * z2;\n float zz = z * z2;\n float wx = w * x2;\n float wy = w * y2;\n float wz = w * z2;\n float sx = s.x;\n float sy = s.y;\n float sz = s.z;\n return mat4((1. - (yy + zz)) * sx, (xy + wz) * sx, (xz - wy) * sx, 0,\n (xy - wz) * sy, (1. - (xx + zz)) * sy, (yz + wx) * sy, 0,\n (xz + wy) * sz, (yz - wx) * sz, (1. - (xx + yy)) * sz, 0,\n t.x, t.y, t.z, 1);\n}\nvec4 quatMultiply(vec4 a, vec4 b){\n vec4 quat;\n quat.x = a.x * b.w + a.w * b.x + a.y * b.z - a.z * b.y;\n quat.y = a.y * b.w + a.w * b.y + a.z * b.x - a.x * b.z;\n quat.z = a.z * b.w + a.w * b.z + a.x * b.y - a.y * b.x;\n quat.w = a.w * b.w - a.x * b.x - a.y * b.y - a.z * b.z;\n return quat;\n}\nvoid rotateVecFromQuat(inout vec3 v, vec4 q){\n float ix = q.w * v.x + q.y * v.z - q.z * v.y;\n float iy = q.w * v.y + q.z * v.x - q.x * v.z;\n float iz = q.w * v.z + q.x * v.y - q.y * v.x;\n float iw = -q.x * v.x - q.y * v.y - q.z * v.z;\n v.x = ix * q.w + iw * -q.x + iy * -q.z - iz * -q.y;\n v.y = iy * q.w + iw * -q.y + iz * -q.x - ix * -q.z;\n v.z = iz * q.w + iw * -q.z + ix * -q.y - iy * -q.x;\n}\nvec3 rotateInLocalSpace(vec3 pos, vec3 xAxis, vec3 yAxis, vec3 zAxis, vec4 q){\n float z = pos.z;\n float x = pos.x;\n float y = pos.y;\n vec4 viewQuat = quaternionFromAxis(xAxis, yAxis, zAxis);\n vec4 rotQuat = quatMultiply(viewQuat, q);\n rotateVecFromQuat(pos, rotQuat);\n return pos;\n}\nvoid rotateCorner(inout vec2 corner, float angle){\n float xOS = cos(angle) * corner.x - sin(angle) * corner.y;\n float yOS = sin(angle) * corner.x + cos(angle) * corner.y;\n corner.x = xOS;\n corner.y = yOS;\n}\nuniform Constants{\n vec4 mainTiling_Offset;\n vec4 frameTile_velLenScale;\n vec4 scale;\n};\nuniform CCGlobal {\n mat4 cc_matView;\n mat4 cc_matViewInv;\n mat4 cc_matProj;\n mat4 cc_matProjInv;\n mat4 cc_matViewProj;\n mat4 cc_matViewProjInv;\n vec4 cc_cameraPos;\n vec4 cc_time;\n mediump vec4 cc_screenSize;\n mediump vec4 cc_screenScale;\n};\nuniform CCLocal {\n mat4 cc_matWorld;\n mat4 cc_matWorldIT;\n};\nout vec2 uv;\nout vec4 color;\nvoid computeVertPos(inout vec4 pos, vec2 vertOffset, vec4 q, vec3 s\n#if CC_USE_BILLBOARD || CC_USE_VERTICAL_BILLBOARD\n , mat4 viewInv\n#endif\n#if CC_USE_STRETCHED_BILLBOARD\n , vec3 eye\n , vec4 velocity\n , float velocityScale\n , float lengthScale\n , float xIndex\n#endif\n) {\n#if CC_USE_BILLBOARD\n vec3 viewSpaceVert = vec3(vertOffset.x * s.x, vertOffset.y * s.y, 0.);\n vec3 camX = normalize(vec3(viewInv[0][0], viewInv[1][0], viewInv[2][0]));\n vec3 camY = normalize(vec3(viewInv[0][1], viewInv[1][1], viewInv[2][1]));\n vec3 camZ = normalize(vec3(viewInv[0][2], viewInv[1][2], viewInv[2][2]));\n pos.xyz += rotateInLocalSpace(viewSpaceVert, camX, camY, camZ, q);\n#elif CC_USE_STRETCHED_BILLBOARD\n vec3 camRight = normalize(cross(pos.xyz - eye, velocity.xyz)) * s.x;\n vec3 camUp = velocity.xyz * velocityScale + normalize(velocity.xyz) * lengthScale * s.y;\n pos.xyz += (camRight * abs(vertOffset.x) * sign(vertOffset.y)) - camUp * xIndex;\n#elif CC_USE_HORIZONTAL_BILLBOARD\n vec3 viewSpaceVert = vec3(vertOffset.x * s.x, vertOffset.y * s.y, 0.);\n vec3 camX = vec3(1, 0, 0);\n vec3 camY = vec3(0, 0, -1);\n pos.xyz += rotateInLocalSpace(viewSpaceVert, camX, camY, cross(camX, camY), q);\n#elif CC_USE_VERTICAL_BILLBOARD\n vec2 viewSpaceVert = vec2(vertOffset.x * s.x, vertOffset.y * s.y);\n rotateCorner(viewSpaceVert, q.z);\n vec3 camX = normalize(vec3(cc_matView[0][0], cc_matView[1][0], cc_matView[2][0]));\n vec3 camY = vec3(0, 1, 0);\n vec3 offset = camX * viewSpaceVert.x + camY * viewSpaceVert.y;\n pos.xyz += offset;\n#else\n pos.x += vertOffset.x;\n pos.y += vertOffset.y;\n#endif\n}\nvec2 computeUV(float frameIndex, vec2 vertIndex, vec2 frameTile){\n vec2 aniUV = vec2(0, floor(frameIndex * frameTile.y));\n aniUV.x = floor(frameIndex * frameTile.x * frameTile.y - aniUV.y * frameTile.x);\n#if !CC_USE_MESH\n vertIndex.y = 1. - vertIndex.y;\n#endif\n return (aniUV.xy + vertIndex) / vec2(frameTile.x, frameTile.y);\n}\nin vec3 a_position;\nin vec3 a_texCoord;\nin vec3 a_texCoord1;\nin vec3 a_texCoord2;\nin vec4 a_color;\n#if CC_USE_STRETCHED_BILLBOARD\n in vec3 a_color1;\n#endif\n#if CC_USE_MESH\n in vec3 a_texCoord3;\n in vec3 a_normal;\n in vec4 a_color1;\n#endif\nvec4 lpvs_main() {\n vec3 compScale = scale.xyz * a_texCoord1;\n vec4 pos = vec4(a_position, 1);\n#if CC_USE_STRETCHED_BILLBOARD\n vec4 velocity = vec4(a_color1.xyz, 0);\n#endif\n#if !CC_USE_WORLD_SPACE\n pos = cc_matWorld * pos;\n #if CC_USE_STRETCHED_BILLBOARD\n velocity = cc_matWorld * velocity;\n #endif\n#endif\n#if !CC_USE_MESH\n vec2 cornerOffset = vec2((a_texCoord.xy - 0.5));\n #if CC_USE_BILLBOARD\n vec3 rotEuler = a_texCoord2;\n #elif CC_USE_STRETCHED_BILLBOARD\n vec3 rotEuler = vec3(0.);\n #else\n vec3 rotEuler = vec3(0., 0., a_texCoord2.z);\n #endif\n computeVertPos(pos, cornerOffset, quaternionFromEuler(rotEuler), compScale\n #if CC_USE_BILLBOARD || CC_USE_VERTICAL_BILLBOARD\n , cc_matViewInv\n #endif\n #if CC_USE_STRETCHED_BILLBOARD\n , cc_cameraPos.xyz\n , velocity\n , frameTile_velLenScale.z\n , frameTile_velLenScale.w\n , a_texCoord.x\n #endif\n );\n color = a_color;\n#else\n mat4 xformNoScale = matrixFromRT(quaternionFromEuler(a_texCoord2), pos.xyz);\n mat4 xform = matFromRTS(quaternionFromEuler(a_texCoord2), pos.xyz, compScale);\n pos = xform * vec4(a_texCoord3, 1);\n vec4 normal = xformNoScale * vec4(a_normal, 0);\n color = a_color * a_color1;\n#endif\n uv = computeUV(a_texCoord.z, a_texCoord.xy, frameTile_velLenScale.xy) * mainTiling_Offset.xy + mainTiling_Offset.zw;\n pos = cc_matViewProj * pos;\n return pos;\n}\nvoid main() { gl_Position = lpvs_main(); }", "frag": "\nprecision highp float;\nvec4 CCFragOutput (vec4 color) {\n #if OUTPUT_TO_GAMMA\n color.rgb = sqrt(color.rgb);\n #endif\n\treturn color;\n}\nin vec2 uv;\nin vec4 color;\nuniform sampler2D mainTexture;\nuniform FragConstants {\n vec4 tintColor;\n};\nvec4 add () {\n vec4 col = 2.0 * color * tintColor * texture(mainTexture, uv);\n return CCFragOutput(col);\n}\nout vec4 cc_FragColor;\nvoid main() { cc_FragColor = add(); }" }, "glsl1": { "vert": "\nprecision highp float;\nvec4 quaternionFromAxis(vec3 xAxis,vec3 yAxis,vec3 zAxis){\n mat3 m = mat3(xAxis,yAxis,zAxis);\n float trace = m[0][0] + m[1][1] + m[2][2];\n vec4 quat;\n if (trace > 0.) {\n float s = 0.5 / sqrt(trace + 1.0);\n quat.w = 0.25 / s;\n quat.x = (m[2][1] - m[1][2]) * s;\n quat.y = (m[0][2] - m[2][0]) * s;\n quat.z = (m[1][0] - m[0][1]) * s;\n } else if ((m[0][0] > m[1][1]) && (m[0][0] > m[2][2])) {\n float s = 2.0 * sqrt(1.0 + m[0][0] - m[1][1] - m[2][2]);\n quat.w = (m[2][1] - m[1][2]) / s;\n quat.x = 0.25 * s;\n quat.y = (m[0][1] + m[1][0]) / s;\n quat.z = (m[0][2] + m[2][0]) / s;\n } else if (m[1][1] > m[2][2]) {\n float s = 2.0 * sqrt(1.0 + m[1][1] - m[0][0] - m[2][2]);\n quat.w = (m[0][2] - m[2][0]) / s;\n quat.x = (m[0][1] + m[1][0]) / s;\n quat.y = 0.25 * s;\n quat.z = (m[1][2] + m[2][1]) / s;\n } else {\n float s = 2.0 * sqrt(1.0 + m[2][2] - m[0][0] - m[1][1]);\n quat.w = (m[1][0] - m[0][1]) / s;\n quat.x = (m[0][2] + m[2][0]) / s;\n quat.y = (m[1][2] + m[2][1]) / s;\n quat.z = 0.25 * s;\n }\n float len = quat.x * quat.x + quat.y * quat.y + quat.z * quat.z + quat.w * quat.w;\n if (len > 0.) {\n len = 1. / sqrt(len);\n quat.x = quat.x * len;\n quat.y = quat.y * len;\n quat.z = quat.z * len;\n quat.w = quat.w * len;\n }\n return quat;\n}\nvec4 quaternionFromEuler(vec3 angle){\n float x = angle.x / 2.;\n float y = angle.y / 2.;\n float z = angle.z / 2.;\n float sx = sin(x);\n float cx = cos(x);\n float sy = sin(y);\n float cy = cos(y);\n float sz = sin(z);\n float cz = cos(z);\n vec4 quat = vec4(0);\n quat.x = sx * cy * cz + cx * sy * sz;\n quat.y = cx * sy * cz + sx * cy * sz;\n quat.z = cx * cy * sz - sx * sy * cz;\n quat.w = cx * cy * cz - sx * sy * sz;\n return quat;\n}\nmat4 matrixFromRT(vec4 q, vec3 p){\n float x2 = q.x + q.x;\n float y2 = q.y + q.y;\n float z2 = q.z + q.z;\n float xx = q.x * x2;\n float xy = q.x * y2;\n float xz = q.x * z2;\n float yy = q.y * y2;\n float yz = q.y * z2;\n float zz = q.z * z2;\n float wx = q.w * x2;\n float wy = q.w * y2;\n float wz = q.w * z2;\n return mat4(\n 1. - (yy + zz), xy + wz, xz - wy, 0,\n xy - wz, 1. - (xx + zz), yz + wx, 0,\n xz + wy, yz - wx, 1. - (xx + yy), 0,\n p.x, p.y, p.z, 1\n );\n}\nmat4 matFromRTS(vec4 q, vec3 t, vec3 s){\n float x = q.x, y = q.y, z = q.z, w = q.w;\n float x2 = x + x;\n float y2 = y + y;\n float z2 = z + z;\n float xx = x * x2;\n float xy = x * y2;\n float xz = x * z2;\n float yy = y * y2;\n float yz = y * z2;\n float zz = z * z2;\n float wx = w * x2;\n float wy = w * y2;\n float wz = w * z2;\n float sx = s.x;\n float sy = s.y;\n float sz = s.z;\n return mat4((1. - (yy + zz)) * sx, (xy + wz) * sx, (xz - wy) * sx, 0,\n (xy - wz) * sy, (1. - (xx + zz)) * sy, (yz + wx) * sy, 0,\n (xz + wy) * sz, (yz - wx) * sz, (1. - (xx + yy)) * sz, 0,\n t.x, t.y, t.z, 1);\n}\nvec4 quatMultiply(vec4 a, vec4 b){\n vec4 quat;\n quat.x = a.x * b.w + a.w * b.x + a.y * b.z - a.z * b.y;\n quat.y = a.y * b.w + a.w * b.y + a.z * b.x - a.x * b.z;\n quat.z = a.z * b.w + a.w * b.z + a.x * b.y - a.y * b.x;\n quat.w = a.w * b.w - a.x * b.x - a.y * b.y - a.z * b.z;\n return quat;\n}\nvoid rotateVecFromQuat(inout vec3 v, vec4 q){\n float ix = q.w * v.x + q.y * v.z - q.z * v.y;\n float iy = q.w * v.y + q.z * v.x - q.x * v.z;\n float iz = q.w * v.z + q.x * v.y - q.y * v.x;\n float iw = -q.x * v.x - q.y * v.y - q.z * v.z;\n v.x = ix * q.w + iw * -q.x + iy * -q.z - iz * -q.y;\n v.y = iy * q.w + iw * -q.y + iz * -q.x - ix * -q.z;\n v.z = iz * q.w + iw * -q.z + ix * -q.y - iy * -q.x;\n}\nvec3 rotateInLocalSpace(vec3 pos, vec3 xAxis, vec3 yAxis, vec3 zAxis, vec4 q){\n float z = pos.z;\n float x = pos.x;\n float y = pos.y;\n vec4 viewQuat = quaternionFromAxis(xAxis, yAxis, zAxis);\n vec4 rotQuat = quatMultiply(viewQuat, q);\n rotateVecFromQuat(pos, rotQuat);\n return pos;\n}\nvoid rotateCorner(inout vec2 corner, float angle){\n float xOS = cos(angle) * corner.x - sin(angle) * corner.y;\n float yOS = sin(angle) * corner.x + cos(angle) * corner.y;\n corner.x = xOS;\n corner.y = yOS;\n}\nuniform vec4 mainTiling_Offset;\nuniform vec4 frameTile_velLenScale;\nuniform vec4 scale;\nuniform mat4 cc_matView;\nuniform mat4 cc_matViewInv;\nuniform mat4 cc_matViewProj;\nuniform vec4 cc_cameraPos;\nuniform mat4 cc_matWorld;\nvarying vec2 uv;\nvarying vec4 color;\nvoid computeVertPos(inout vec4 pos, vec2 vertOffset, vec4 q, vec3 s\n#if CC_USE_BILLBOARD || CC_USE_VERTICAL_BILLBOARD\n , mat4 viewInv\n#endif\n#if CC_USE_STRETCHED_BILLBOARD\n , vec3 eye\n , vec4 velocity\n , float velocityScale\n , float lengthScale\n , float xIndex\n#endif\n) {\n#if CC_USE_BILLBOARD\n vec3 viewSpaceVert = vec3(vertOffset.x * s.x, vertOffset.y * s.y, 0.);\n vec3 camX = normalize(vec3(viewInv[0][0], viewInv[1][0], viewInv[2][0]));\n vec3 camY = normalize(vec3(viewInv[0][1], viewInv[1][1], viewInv[2][1]));\n vec3 camZ = normalize(vec3(viewInv[0][2], viewInv[1][2], viewInv[2][2]));\n pos.xyz += rotateInLocalSpace(viewSpaceVert, camX, camY, camZ, q);\n#elif CC_USE_STRETCHED_BILLBOARD\n vec3 camRight = normalize(cross(pos.xyz - eye, velocity.xyz)) * s.x;\n vec3 camUp = velocity.xyz * velocityScale + normalize(velocity.xyz) * lengthScale * s.y;\n pos.xyz += (camRight * abs(vertOffset.x) * sign(vertOffset.y)) - camUp * xIndex;\n#elif CC_USE_HORIZONTAL_BILLBOARD\n vec3 viewSpaceVert = vec3(vertOffset.x * s.x, vertOffset.y * s.y, 0.);\n vec3 camX = vec3(1, 0, 0);\n vec3 camY = vec3(0, 0, -1);\n pos.xyz += rotateInLocalSpace(viewSpaceVert, camX, camY, cross(camX, camY), q);\n#elif CC_USE_VERTICAL_BILLBOARD\n vec2 viewSpaceVert = vec2(vertOffset.x * s.x, vertOffset.y * s.y);\n rotateCorner(viewSpaceVert, q.z);\n vec3 camX = normalize(vec3(cc_matView[0][0], cc_matView[1][0], cc_matView[2][0]));\n vec3 camY = vec3(0, 1, 0);\n vec3 offset = camX * viewSpaceVert.x + camY * viewSpaceVert.y;\n pos.xyz += offset;\n#else\n pos.x += vertOffset.x;\n pos.y += vertOffset.y;\n#endif\n}\nvec2 computeUV(float frameIndex, vec2 vertIndex, vec2 frameTile){\n vec2 aniUV = vec2(0, floor(frameIndex * frameTile.y));\n aniUV.x = floor(frameIndex * frameTile.x * frameTile.y - aniUV.y * frameTile.x);\n#if !CC_USE_MESH\n vertIndex.y = 1. - vertIndex.y;\n#endif\n return (aniUV.xy + vertIndex) / vec2(frameTile.x, frameTile.y);\n}\nattribute vec3 a_position;\nattribute vec3 a_texCoord;\nattribute vec3 a_texCoord1;\nattribute vec3 a_texCoord2;\nattribute vec4 a_color;\n#if CC_USE_STRETCHED_BILLBOARD\n attribute vec3 a_color1;\n#endif\n#if CC_USE_MESH\n attribute vec3 a_texCoord3;\n attribute vec3 a_normal;\n attribute vec4 a_color1;\n#endif\nvec4 lpvs_main() {\n vec3 compScale = scale.xyz * a_texCoord1;\n vec4 pos = vec4(a_position, 1);\n#if CC_USE_STRETCHED_BILLBOARD\n vec4 velocity = vec4(a_color1.xyz, 0);\n#endif\n#if !CC_USE_WORLD_SPACE\n pos = cc_matWorld * pos;\n #if CC_USE_STRETCHED_BILLBOARD\n velocity = cc_matWorld * velocity;\n #endif\n#endif\n#if !CC_USE_MESH\n vec2 cornerOffset = vec2((a_texCoord.xy - 0.5));\n #if CC_USE_BILLBOARD\n vec3 rotEuler = a_texCoord2;\n #elif CC_USE_STRETCHED_BILLBOARD\n vec3 rotEuler = vec3(0.);\n #else\n vec3 rotEuler = vec3(0., 0., a_texCoord2.z);\n #endif\n computeVertPos(pos, cornerOffset, quaternionFromEuler(rotEuler), compScale\n #if CC_USE_BILLBOARD || CC_USE_VERTICAL_BILLBOARD\n , cc_matViewInv\n #endif\n #if CC_USE_STRETCHED_BILLBOARD\n , cc_cameraPos.xyz\n , velocity\n , frameTile_velLenScale.z\n , frameTile_velLenScale.w\n , a_texCoord.x\n #endif\n );\n color = a_color;\n#else\n mat4 xformNoScale = matrixFromRT(quaternionFromEuler(a_texCoord2), pos.xyz);\n mat4 xform = matFromRTS(quaternionFromEuler(a_texCoord2), pos.xyz, compScale);\n pos = xform * vec4(a_texCoord3, 1);\n vec4 normal = xformNoScale * vec4(a_normal, 0);\n color = a_color * a_color1;\n#endif\n uv = computeUV(a_texCoord.z, a_texCoord.xy, frameTile_velLenScale.xy) * mainTiling_Offset.xy + mainTiling_Offset.zw;\n pos = cc_matViewProj * pos;\n return pos;\n}\nvoid main() { gl_Position = lpvs_main(); }", "frag": "\nprecision highp float;\nvec4 CCFragOutput (vec4 color) {\n #if OUTPUT_TO_GAMMA\n color.rgb = sqrt(color.rgb);\n #endif\n\treturn color;\n}\nvarying vec2 uv;\nvarying vec4 color;\nuniform sampler2D mainTexture;\nuniform vec4 tintColor;\nvec4 add () {\n vec4 col = 2.0 * color * tintColor * texture2D(mainTexture, uv);\n return CCFragOutput(col);\n}\nvoid main() { gl_FragColor = add(); }" }, "builtins": { "globals": { "blocks": [ { "name": "CCGlobal", "defines": [] } ], "samplers": [] }, "locals": { "blocks": [ { "name": "CCLocal", "defines": [] } ], "samplers": [] } }, "defines": [ { "name": "CC_USE_BILLBOARD", "type": "boolean", "defines": [] }, { "name": "CC_USE_STRETCHED_BILLBOARD", "type": "boolean", "defines": [] }, { "name": "CC_USE_HORIZONTAL_BILLBOARD", "type": "boolean", "defines": [] }, { "name": "CC_USE_VERTICAL_BILLBOARD", "type": "boolean", "defines": [] }, { "name": "CC_USE_MESH", "type": "boolean", "defines": [] }, { "name": "CC_USE_WORLD_SPACE", "type": "boolean", "defines": [] }, { "name": "OUTPUT_TO_GAMMA", "type": "boolean", "defines": [] } ], "blocks": [ { "name": "Constants", "members": [ { "name": "mainTiling_Offset", "type": 16, "count": 1 }, { "name": "frameTile_velLenScale", "type": 16, "count": 1 }, { "name": "scale", "type": 16, "count": 1 } ], "defines": [], "binding": 0 }, { "name": "FragConstants", "members": [ { "name": "tintColor", "type": 16, "count": 1 } ], "defines": [], "binding": 1 } ], "samplers": [ { "name": "mainTexture", "type": 29, "count": 1, "defines": [], "binding": 30 } ], "record": null, "name": "builtin-3d-particle|particle-vs-legacy:lpvs_main|tinted-fs:add" }, { "hash": 1933642753, "glsl3": { "vert": "\nprecision highp float;\nvec4 quaternionFromAxis(vec3 xAxis,vec3 yAxis,vec3 zAxis){\n mat3 m = mat3(xAxis,yAxis,zAxis);\n float trace = m[0][0] + m[1][1] + m[2][2];\n vec4 quat;\n if (trace > 0.) {\n float s = 0.5 / sqrt(trace + 1.0);\n quat.w = 0.25 / s;\n quat.x = (m[2][1] - m[1][2]) * s;\n quat.y = (m[0][2] - m[2][0]) * s;\n quat.z = (m[1][0] - m[0][1]) * s;\n } else if ((m[0][0] > m[1][1]) && (m[0][0] > m[2][2])) {\n float s = 2.0 * sqrt(1.0 + m[0][0] - m[1][1] - m[2][2]);\n quat.w = (m[2][1] - m[1][2]) / s;\n quat.x = 0.25 * s;\n quat.y = (m[0][1] + m[1][0]) / s;\n quat.z = (m[0][2] + m[2][0]) / s;\n } else if (m[1][1] > m[2][2]) {\n float s = 2.0 * sqrt(1.0 + m[1][1] - m[0][0] - m[2][2]);\n quat.w = (m[0][2] - m[2][0]) / s;\n quat.x = (m[0][1] + m[1][0]) / s;\n quat.y = 0.25 * s;\n quat.z = (m[1][2] + m[2][1]) / s;\n } else {\n float s = 2.0 * sqrt(1.0 + m[2][2] - m[0][0] - m[1][1]);\n quat.w = (m[1][0] - m[0][1]) / s;\n quat.x = (m[0][2] + m[2][0]) / s;\n quat.y = (m[1][2] + m[2][1]) / s;\n quat.z = 0.25 * s;\n }\n float len = quat.x * quat.x + quat.y * quat.y + quat.z * quat.z + quat.w * quat.w;\n if (len > 0.) {\n len = 1. / sqrt(len);\n quat.x = quat.x * len;\n quat.y = quat.y * len;\n quat.z = quat.z * len;\n quat.w = quat.w * len;\n }\n return quat;\n}\nvec4 quaternionFromEuler(vec3 angle){\n float x = angle.x / 2.;\n float y = angle.y / 2.;\n float z = angle.z / 2.;\n float sx = sin(x);\n float cx = cos(x);\n float sy = sin(y);\n float cy = cos(y);\n float sz = sin(z);\n float cz = cos(z);\n vec4 quat = vec4(0);\n quat.x = sx * cy * cz + cx * sy * sz;\n quat.y = cx * sy * cz + sx * cy * sz;\n quat.z = cx * cy * sz - sx * sy * cz;\n quat.w = cx * cy * cz - sx * sy * sz;\n return quat;\n}\nmat4 matrixFromRT(vec4 q, vec3 p){\n float x2 = q.x + q.x;\n float y2 = q.y + q.y;\n float z2 = q.z + q.z;\n float xx = q.x * x2;\n float xy = q.x * y2;\n float xz = q.x * z2;\n float yy = q.y * y2;\n float yz = q.y * z2;\n float zz = q.z * z2;\n float wx = q.w * x2;\n float wy = q.w * y2;\n float wz = q.w * z2;\n return mat4(\n 1. - (yy + zz), xy + wz, xz - wy, 0,\n xy - wz, 1. - (xx + zz), yz + wx, 0,\n xz + wy, yz - wx, 1. - (xx + yy), 0,\n p.x, p.y, p.z, 1\n );\n}\nmat4 matFromRTS(vec4 q, vec3 t, vec3 s){\n float x = q.x, y = q.y, z = q.z, w = q.w;\n float x2 = x + x;\n float y2 = y + y;\n float z2 = z + z;\n float xx = x * x2;\n float xy = x * y2;\n float xz = x * z2;\n float yy = y * y2;\n float yz = y * z2;\n float zz = z * z2;\n float wx = w * x2;\n float wy = w * y2;\n float wz = w * z2;\n float sx = s.x;\n float sy = s.y;\n float sz = s.z;\n return mat4((1. - (yy + zz)) * sx, (xy + wz) * sx, (xz - wy) * sx, 0,\n (xy - wz) * sy, (1. - (xx + zz)) * sy, (yz + wx) * sy, 0,\n (xz + wy) * sz, (yz - wx) * sz, (1. - (xx + yy)) * sz, 0,\n t.x, t.y, t.z, 1);\n}\nvec4 quatMultiply(vec4 a, vec4 b){\n vec4 quat;\n quat.x = a.x * b.w + a.w * b.x + a.y * b.z - a.z * b.y;\n quat.y = a.y * b.w + a.w * b.y + a.z * b.x - a.x * b.z;\n quat.z = a.z * b.w + a.w * b.z + a.x * b.y - a.y * b.x;\n quat.w = a.w * b.w - a.x * b.x - a.y * b.y - a.z * b.z;\n return quat;\n}\nvoid rotateVecFromQuat(inout vec3 v, vec4 q){\n float ix = q.w * v.x + q.y * v.z - q.z * v.y;\n float iy = q.w * v.y + q.z * v.x - q.x * v.z;\n float iz = q.w * v.z + q.x * v.y - q.y * v.x;\n float iw = -q.x * v.x - q.y * v.y - q.z * v.z;\n v.x = ix * q.w + iw * -q.x + iy * -q.z - iz * -q.y;\n v.y = iy * q.w + iw * -q.y + iz * -q.x - ix * -q.z;\n v.z = iz * q.w + iw * -q.z + ix * -q.y - iy * -q.x;\n}\nvec3 rotateInLocalSpace(vec3 pos, vec3 xAxis, vec3 yAxis, vec3 zAxis, vec4 q){\n float z = pos.z;\n float x = pos.x;\n float y = pos.y;\n vec4 viewQuat = quaternionFromAxis(xAxis, yAxis, zAxis);\n vec4 rotQuat = quatMultiply(viewQuat, q);\n rotateVecFromQuat(pos, rotQuat);\n return pos;\n}\nvoid rotateCorner(inout vec2 corner, float angle){\n float xOS = cos(angle) * corner.x - sin(angle) * corner.y;\n float yOS = sin(angle) * corner.x + cos(angle) * corner.y;\n corner.x = xOS;\n corner.y = yOS;\n}\nuniform Constants{\n vec4 mainTiling_Offset;\n vec4 frameTile_velLenScale;\n vec4 scale;\n};\nuniform CCGlobal {\n mat4 cc_matView;\n mat4 cc_matViewInv;\n mat4 cc_matProj;\n mat4 cc_matProjInv;\n mat4 cc_matViewProj;\n mat4 cc_matViewProjInv;\n vec4 cc_cameraPos;\n vec4 cc_time;\n mediump vec4 cc_screenSize;\n mediump vec4 cc_screenScale;\n};\nuniform CCLocal {\n mat4 cc_matWorld;\n mat4 cc_matWorldIT;\n};\nout vec2 uv;\nout vec4 color;\nvoid computeVertPos(inout vec4 pos, vec2 vertOffset, vec4 q, vec3 s\n#if CC_USE_BILLBOARD || CC_USE_VERTICAL_BILLBOARD\n , mat4 viewInv\n#endif\n#if CC_USE_STRETCHED_BILLBOARD\n , vec3 eye\n , vec4 velocity\n , float velocityScale\n , float lengthScale\n , float xIndex\n#endif\n) {\n#if CC_USE_BILLBOARD\n vec3 viewSpaceVert = vec3(vertOffset.x * s.x, vertOffset.y * s.y, 0.);\n vec3 camX = normalize(vec3(viewInv[0][0], viewInv[1][0], viewInv[2][0]));\n vec3 camY = normalize(vec3(viewInv[0][1], viewInv[1][1], viewInv[2][1]));\n vec3 camZ = normalize(vec3(viewInv[0][2], viewInv[1][2], viewInv[2][2]));\n pos.xyz += rotateInLocalSpace(viewSpaceVert, camX, camY, camZ, q);\n#elif CC_USE_STRETCHED_BILLBOARD\n vec3 camRight = normalize(cross(pos.xyz - eye, velocity.xyz)) * s.x;\n vec3 camUp = velocity.xyz * velocityScale + normalize(velocity.xyz) * lengthScale * s.y;\n pos.xyz += (camRight * abs(vertOffset.x) * sign(vertOffset.y)) - camUp * xIndex;\n#elif CC_USE_HORIZONTAL_BILLBOARD\n vec3 viewSpaceVert = vec3(vertOffset.x * s.x, vertOffset.y * s.y, 0.);\n vec3 camX = vec3(1, 0, 0);\n vec3 camY = vec3(0, 0, -1);\n pos.xyz += rotateInLocalSpace(viewSpaceVert, camX, camY, cross(camX, camY), q);\n#elif CC_USE_VERTICAL_BILLBOARD\n vec2 viewSpaceVert = vec2(vertOffset.x * s.x, vertOffset.y * s.y);\n rotateCorner(viewSpaceVert, q.z);\n vec3 camX = normalize(vec3(cc_matView[0][0], cc_matView[1][0], cc_matView[2][0]));\n vec3 camY = vec3(0, 1, 0);\n vec3 offset = camX * viewSpaceVert.x + camY * viewSpaceVert.y;\n pos.xyz += offset;\n#else\n pos.x += vertOffset.x;\n pos.y += vertOffset.y;\n#endif\n}\nvec2 computeUV(float frameIndex, vec2 vertIndex, vec2 frameTile){\n vec2 aniUV = vec2(0, floor(frameIndex * frameTile.y));\n aniUV.x = floor(frameIndex * frameTile.x * frameTile.y - aniUV.y * frameTile.x);\n#if !CC_USE_MESH\n vertIndex.y = 1. - vertIndex.y;\n#endif\n return (aniUV.xy + vertIndex) / vec2(frameTile.x, frameTile.y);\n}\nin vec3 a_position;\nin vec3 a_texCoord;\nin vec3 a_texCoord1;\nin vec3 a_texCoord2;\nin vec4 a_color;\n#if CC_USE_STRETCHED_BILLBOARD\n in vec3 a_color1;\n#endif\n#if CC_USE_MESH\n in vec3 a_texCoord3;\n in vec3 a_normal;\n in vec4 a_color1;\n#endif\nvec4 lpvs_main() {\n vec3 compScale = scale.xyz * a_texCoord1;\n vec4 pos = vec4(a_position, 1);\n#if CC_USE_STRETCHED_BILLBOARD\n vec4 velocity = vec4(a_color1.xyz, 0);\n#endif\n#if !CC_USE_WORLD_SPACE\n pos = cc_matWorld * pos;\n #if CC_USE_STRETCHED_BILLBOARD\n velocity = cc_matWorld * velocity;\n #endif\n#endif\n#if !CC_USE_MESH\n vec2 cornerOffset = vec2((a_texCoord.xy - 0.5));\n #if CC_USE_BILLBOARD\n vec3 rotEuler = a_texCoord2;\n #elif CC_USE_STRETCHED_BILLBOARD\n vec3 rotEuler = vec3(0.);\n #else\n vec3 rotEuler = vec3(0., 0., a_texCoord2.z);\n #endif\n computeVertPos(pos, cornerOffset, quaternionFromEuler(rotEuler), compScale\n #if CC_USE_BILLBOARD || CC_USE_VERTICAL_BILLBOARD\n , cc_matViewInv\n #endif\n #if CC_USE_STRETCHED_BILLBOARD\n , cc_cameraPos.xyz\n , velocity\n , frameTile_velLenScale.z\n , frameTile_velLenScale.w\n , a_texCoord.x\n #endif\n );\n color = a_color;\n#else\n mat4 xformNoScale = matrixFromRT(quaternionFromEuler(a_texCoord2), pos.xyz);\n mat4 xform = matFromRTS(quaternionFromEuler(a_texCoord2), pos.xyz, compScale);\n pos = xform * vec4(a_texCoord3, 1);\n vec4 normal = xformNoScale * vec4(a_normal, 0);\n color = a_color * a_color1;\n#endif\n uv = computeUV(a_texCoord.z, a_texCoord.xy, frameTile_velLenScale.xy) * mainTiling_Offset.xy + mainTiling_Offset.zw;\n pos = cc_matViewProj * pos;\n return pos;\n}\nvoid main() { gl_Position = lpvs_main(); }", "frag": "\nprecision highp float;\nvec4 CCFragOutput (vec4 color) {\n #if OUTPUT_TO_GAMMA\n color.rgb = sqrt(color.rgb);\n #endif\n\treturn color;\n}\nin vec2 uv;\nin vec4 color;\nuniform sampler2D mainTexture;\nuniform FragConstants {\n vec4 tintColor;\n};\nvec4 multiply () {\n vec4 col;\n vec4 texColor = texture(mainTexture, uv);\n col.rgb = tintColor.rgb * texColor.rgb * color.rgb * vec3(2.0);\n col.a = (1.0 - texColor.a) * (tintColor.a * color.a * 2.0);\n return CCFragOutput(col);\n}\nout vec4 cc_FragColor;\nvoid main() { cc_FragColor = multiply(); }" }, "glsl1": { "vert": "\nprecision highp float;\nvec4 quaternionFromAxis(vec3 xAxis,vec3 yAxis,vec3 zAxis){\n mat3 m = mat3(xAxis,yAxis,zAxis);\n float trace = m[0][0] + m[1][1] + m[2][2];\n vec4 quat;\n if (trace > 0.) {\n float s = 0.5 / sqrt(trace + 1.0);\n quat.w = 0.25 / s;\n quat.x = (m[2][1] - m[1][2]) * s;\n quat.y = (m[0][2] - m[2][0]) * s;\n quat.z = (m[1][0] - m[0][1]) * s;\n } else if ((m[0][0] > m[1][1]) && (m[0][0] > m[2][2])) {\n float s = 2.0 * sqrt(1.0 + m[0][0] - m[1][1] - m[2][2]);\n quat.w = (m[2][1] - m[1][2]) / s;\n quat.x = 0.25 * s;\n quat.y = (m[0][1] + m[1][0]) / s;\n quat.z = (m[0][2] + m[2][0]) / s;\n } else if (m[1][1] > m[2][2]) {\n float s = 2.0 * sqrt(1.0 + m[1][1] - m[0][0] - m[2][2]);\n quat.w = (m[0][2] - m[2][0]) / s;\n quat.x = (m[0][1] + m[1][0]) / s;\n quat.y = 0.25 * s;\n quat.z = (m[1][2] + m[2][1]) / s;\n } else {\n float s = 2.0 * sqrt(1.0 + m[2][2] - m[0][0] - m[1][1]);\n quat.w = (m[1][0] - m[0][1]) / s;\n quat.x = (m[0][2] + m[2][0]) / s;\n quat.y = (m[1][2] + m[2][1]) / s;\n quat.z = 0.25 * s;\n }\n float len = quat.x * quat.x + quat.y * quat.y + quat.z * quat.z + quat.w * quat.w;\n if (len > 0.) {\n len = 1. / sqrt(len);\n quat.x = quat.x * len;\n quat.y = quat.y * len;\n quat.z = quat.z * len;\n quat.w = quat.w * len;\n }\n return quat;\n}\nvec4 quaternionFromEuler(vec3 angle){\n float x = angle.x / 2.;\n float y = angle.y / 2.;\n float z = angle.z / 2.;\n float sx = sin(x);\n float cx = cos(x);\n float sy = sin(y);\n float cy = cos(y);\n float sz = sin(z);\n float cz = cos(z);\n vec4 quat = vec4(0);\n quat.x = sx * cy * cz + cx * sy * sz;\n quat.y = cx * sy * cz + sx * cy * sz;\n quat.z = cx * cy * sz - sx * sy * cz;\n quat.w = cx * cy * cz - sx * sy * sz;\n return quat;\n}\nmat4 matrixFromRT(vec4 q, vec3 p){\n float x2 = q.x + q.x;\n float y2 = q.y + q.y;\n float z2 = q.z + q.z;\n float xx = q.x * x2;\n float xy = q.x * y2;\n float xz = q.x * z2;\n float yy = q.y * y2;\n float yz = q.y * z2;\n float zz = q.z * z2;\n float wx = q.w * x2;\n float wy = q.w * y2;\n float wz = q.w * z2;\n return mat4(\n 1. - (yy + zz), xy + wz, xz - wy, 0,\n xy - wz, 1. - (xx + zz), yz + wx, 0,\n xz + wy, yz - wx, 1. - (xx + yy), 0,\n p.x, p.y, p.z, 1\n );\n}\nmat4 matFromRTS(vec4 q, vec3 t, vec3 s){\n float x = q.x, y = q.y, z = q.z, w = q.w;\n float x2 = x + x;\n float y2 = y + y;\n float z2 = z + z;\n float xx = x * x2;\n float xy = x * y2;\n float xz = x * z2;\n float yy = y * y2;\n float yz = y * z2;\n float zz = z * z2;\n float wx = w * x2;\n float wy = w * y2;\n float wz = w * z2;\n float sx = s.x;\n float sy = s.y;\n float sz = s.z;\n return mat4((1. - (yy + zz)) * sx, (xy + wz) * sx, (xz - wy) * sx, 0,\n (xy - wz) * sy, (1. - (xx + zz)) * sy, (yz + wx) * sy, 0,\n (xz + wy) * sz, (yz - wx) * sz, (1. - (xx + yy)) * sz, 0,\n t.x, t.y, t.z, 1);\n}\nvec4 quatMultiply(vec4 a, vec4 b){\n vec4 quat;\n quat.x = a.x * b.w + a.w * b.x + a.y * b.z - a.z * b.y;\n quat.y = a.y * b.w + a.w * b.y + a.z * b.x - a.x * b.z;\n quat.z = a.z * b.w + a.w * b.z + a.x * b.y - a.y * b.x;\n quat.w = a.w * b.w - a.x * b.x - a.y * b.y - a.z * b.z;\n return quat;\n}\nvoid rotateVecFromQuat(inout vec3 v, vec4 q){\n float ix = q.w * v.x + q.y * v.z - q.z * v.y;\n float iy = q.w * v.y + q.z * v.x - q.x * v.z;\n float iz = q.w * v.z + q.x * v.y - q.y * v.x;\n float iw = -q.x * v.x - q.y * v.y - q.z * v.z;\n v.x = ix * q.w + iw * -q.x + iy * -q.z - iz * -q.y;\n v.y = iy * q.w + iw * -q.y + iz * -q.x - ix * -q.z;\n v.z = iz * q.w + iw * -q.z + ix * -q.y - iy * -q.x;\n}\nvec3 rotateInLocalSpace(vec3 pos, vec3 xAxis, vec3 yAxis, vec3 zAxis, vec4 q){\n float z = pos.z;\n float x = pos.x;\n float y = pos.y;\n vec4 viewQuat = quaternionFromAxis(xAxis, yAxis, zAxis);\n vec4 rotQuat = quatMultiply(viewQuat, q);\n rotateVecFromQuat(pos, rotQuat);\n return pos;\n}\nvoid rotateCorner(inout vec2 corner, float angle){\n float xOS = cos(angle) * corner.x - sin(angle) * corner.y;\n float yOS = sin(angle) * corner.x + cos(angle) * corner.y;\n corner.x = xOS;\n corner.y = yOS;\n}\nuniform vec4 mainTiling_Offset;\nuniform vec4 frameTile_velLenScale;\nuniform vec4 scale;\nuniform mat4 cc_matView;\nuniform mat4 cc_matViewInv;\nuniform mat4 cc_matViewProj;\nuniform vec4 cc_cameraPos;\nuniform mat4 cc_matWorld;\nvarying vec2 uv;\nvarying vec4 color;\nvoid computeVertPos(inout vec4 pos, vec2 vertOffset, vec4 q, vec3 s\n#if CC_USE_BILLBOARD || CC_USE_VERTICAL_BILLBOARD\n , mat4 viewInv\n#endif\n#if CC_USE_STRETCHED_BILLBOARD\n , vec3 eye\n , vec4 velocity\n , float velocityScale\n , float lengthScale\n , float xIndex\n#endif\n) {\n#if CC_USE_BILLBOARD\n vec3 viewSpaceVert = vec3(vertOffset.x * s.x, vertOffset.y * s.y, 0.);\n vec3 camX = normalize(vec3(viewInv[0][0], viewInv[1][0], viewInv[2][0]));\n vec3 camY = normalize(vec3(viewInv[0][1], viewInv[1][1], viewInv[2][1]));\n vec3 camZ = normalize(vec3(viewInv[0][2], viewInv[1][2], viewInv[2][2]));\n pos.xyz += rotateInLocalSpace(viewSpaceVert, camX, camY, camZ, q);\n#elif CC_USE_STRETCHED_BILLBOARD\n vec3 camRight = normalize(cross(pos.xyz - eye, velocity.xyz)) * s.x;\n vec3 camUp = velocity.xyz * velocityScale + normalize(velocity.xyz) * lengthScale * s.y;\n pos.xyz += (camRight * abs(vertOffset.x) * sign(vertOffset.y)) - camUp * xIndex;\n#elif CC_USE_HORIZONTAL_BILLBOARD\n vec3 viewSpaceVert = vec3(vertOffset.x * s.x, vertOffset.y * s.y, 0.);\n vec3 camX = vec3(1, 0, 0);\n vec3 camY = vec3(0, 0, -1);\n pos.xyz += rotateInLocalSpace(viewSpaceVert, camX, camY, cross(camX, camY), q);\n#elif CC_USE_VERTICAL_BILLBOARD\n vec2 viewSpaceVert = vec2(vertOffset.x * s.x, vertOffset.y * s.y);\n rotateCorner(viewSpaceVert, q.z);\n vec3 camX = normalize(vec3(cc_matView[0][0], cc_matView[1][0], cc_matView[2][0]));\n vec3 camY = vec3(0, 1, 0);\n vec3 offset = camX * viewSpaceVert.x + camY * viewSpaceVert.y;\n pos.xyz += offset;\n#else\n pos.x += vertOffset.x;\n pos.y += vertOffset.y;\n#endif\n}\nvec2 computeUV(float frameIndex, vec2 vertIndex, vec2 frameTile){\n vec2 aniUV = vec2(0, floor(frameIndex * frameTile.y));\n aniUV.x = floor(frameIndex * frameTile.x * frameTile.y - aniUV.y * frameTile.x);\n#if !CC_USE_MESH\n vertIndex.y = 1. - vertIndex.y;\n#endif\n return (aniUV.xy + vertIndex) / vec2(frameTile.x, frameTile.y);\n}\nattribute vec3 a_position;\nattribute vec3 a_texCoord;\nattribute vec3 a_texCoord1;\nattribute vec3 a_texCoord2;\nattribute vec4 a_color;\n#if CC_USE_STRETCHED_BILLBOARD\n attribute vec3 a_color1;\n#endif\n#if CC_USE_MESH\n attribute vec3 a_texCoord3;\n attribute vec3 a_normal;\n attribute vec4 a_color1;\n#endif\nvec4 lpvs_main() {\n vec3 compScale = scale.xyz * a_texCoord1;\n vec4 pos = vec4(a_position, 1);\n#if CC_USE_STRETCHED_BILLBOARD\n vec4 velocity = vec4(a_color1.xyz, 0);\n#endif\n#if !CC_USE_WORLD_SPACE\n pos = cc_matWorld * pos;\n #if CC_USE_STRETCHED_BILLBOARD\n velocity = cc_matWorld * velocity;\n #endif\n#endif\n#if !CC_USE_MESH\n vec2 cornerOffset = vec2((a_texCoord.xy - 0.5));\n #if CC_USE_BILLBOARD\n vec3 rotEuler = a_texCoord2;\n #elif CC_USE_STRETCHED_BILLBOARD\n vec3 rotEuler = vec3(0.);\n #else\n vec3 rotEuler = vec3(0., 0., a_texCoord2.z);\n #endif\n computeVertPos(pos, cornerOffset, quaternionFromEuler(rotEuler), compScale\n #if CC_USE_BILLBOARD || CC_USE_VERTICAL_BILLBOARD\n , cc_matViewInv\n #endif\n #if CC_USE_STRETCHED_BILLBOARD\n , cc_cameraPos.xyz\n , velocity\n , frameTile_velLenScale.z\n , frameTile_velLenScale.w\n , a_texCoord.x\n #endif\n );\n color = a_color;\n#else\n mat4 xformNoScale = matrixFromRT(quaternionFromEuler(a_texCoord2), pos.xyz);\n mat4 xform = matFromRTS(quaternionFromEuler(a_texCoord2), pos.xyz, compScale);\n pos = xform * vec4(a_texCoord3, 1);\n vec4 normal = xformNoScale * vec4(a_normal, 0);\n color = a_color * a_color1;\n#endif\n uv = computeUV(a_texCoord.z, a_texCoord.xy, frameTile_velLenScale.xy) * mainTiling_Offset.xy + mainTiling_Offset.zw;\n pos = cc_matViewProj * pos;\n return pos;\n}\nvoid main() { gl_Position = lpvs_main(); }", "frag": "\nprecision highp float;\nvec4 CCFragOutput (vec4 color) {\n #if OUTPUT_TO_GAMMA\n color.rgb = sqrt(color.rgb);\n #endif\n\treturn color;\n}\nvarying vec2 uv;\nvarying vec4 color;\nuniform sampler2D mainTexture;\nuniform vec4 tintColor;\nvec4 multiply () {\n vec4 col;\n vec4 texColor = texture2D(mainTexture, uv);\n col.rgb = tintColor.rgb * texColor.rgb * color.rgb * vec3(2.0);\n col.a = (1.0 - texColor.a) * (tintColor.a * color.a * 2.0);\n return CCFragOutput(col);\n}\nvoid main() { gl_FragColor = multiply(); }" }, "builtins": { "globals": { "blocks": [ { "name": "CCGlobal", "defines": [] } ], "samplers": [] }, "locals": { "blocks": [ { "name": "CCLocal", "defines": [] } ], "samplers": [] } }, "defines": [ { "name": "CC_USE_BILLBOARD", "type": "boolean", "defines": [] }, { "name": "CC_USE_STRETCHED_BILLBOARD", "type": "boolean", "defines": [] }, { "name": "CC_USE_HORIZONTAL_BILLBOARD", "type": "boolean", "defines": [] }, { "name": "CC_USE_VERTICAL_BILLBOARD", "type": "boolean", "defines": [] }, { "name": "CC_USE_MESH", "type": "boolean", "defines": [] }, { "name": "CC_USE_WORLD_SPACE", "type": "boolean", "defines": [] }, { "name": "OUTPUT_TO_GAMMA", "type": "boolean", "defines": [] } ], "blocks": [ { "name": "Constants", "members": [ { "name": "mainTiling_Offset", "type": 16, "count": 1 }, { "name": "frameTile_velLenScale", "type": 16, "count": 1 }, { "name": "scale", "type": 16, "count": 1 } ], "defines": [], "binding": 0 }, { "name": "FragConstants", "members": [ { "name": "tintColor", "type": 16, "count": 1 } ], "defines": [], "binding": 1 } ], "samplers": [ { "name": "mainTexture", "type": 29, "count": 1, "defines": [], "binding": 30 } ], "record": null, "name": "builtin-3d-particle|particle-vs-legacy:lpvs_main|tinted-fs:multiply" }, { "hash": 1851787849, "glsl3": { "vert": "\nprecision highp float;\nvec4 quaternionFromAxis(vec3 xAxis,vec3 yAxis,vec3 zAxis){\n mat3 m = mat3(xAxis,yAxis,zAxis);\n float trace = m[0][0] + m[1][1] + m[2][2];\n vec4 quat;\n if (trace > 0.) {\n float s = 0.5 / sqrt(trace + 1.0);\n quat.w = 0.25 / s;\n quat.x = (m[2][1] - m[1][2]) * s;\n quat.y = (m[0][2] - m[2][0]) * s;\n quat.z = (m[1][0] - m[0][1]) * s;\n } else if ((m[0][0] > m[1][1]) && (m[0][0] > m[2][2])) {\n float s = 2.0 * sqrt(1.0 + m[0][0] - m[1][1] - m[2][2]);\n quat.w = (m[2][1] - m[1][2]) / s;\n quat.x = 0.25 * s;\n quat.y = (m[0][1] + m[1][0]) / s;\n quat.z = (m[0][2] + m[2][0]) / s;\n } else if (m[1][1] > m[2][2]) {\n float s = 2.0 * sqrt(1.0 + m[1][1] - m[0][0] - m[2][2]);\n quat.w = (m[0][2] - m[2][0]) / s;\n quat.x = (m[0][1] + m[1][0]) / s;\n quat.y = 0.25 * s;\n quat.z = (m[1][2] + m[2][1]) / s;\n } else {\n float s = 2.0 * sqrt(1.0 + m[2][2] - m[0][0] - m[1][1]);\n quat.w = (m[1][0] - m[0][1]) / s;\n quat.x = (m[0][2] + m[2][0]) / s;\n quat.y = (m[1][2] + m[2][1]) / s;\n quat.z = 0.25 * s;\n }\n float len = quat.x * quat.x + quat.y * quat.y + quat.z * quat.z + quat.w * quat.w;\n if (len > 0.) {\n len = 1. / sqrt(len);\n quat.x = quat.x * len;\n quat.y = quat.y * len;\n quat.z = quat.z * len;\n quat.w = quat.w * len;\n }\n return quat;\n}\nvec4 quaternionFromEuler(vec3 angle){\n float x = angle.x / 2.;\n float y = angle.y / 2.;\n float z = angle.z / 2.;\n float sx = sin(x);\n float cx = cos(x);\n float sy = sin(y);\n float cy = cos(y);\n float sz = sin(z);\n float cz = cos(z);\n vec4 quat = vec4(0);\n quat.x = sx * cy * cz + cx * sy * sz;\n quat.y = cx * sy * cz + sx * cy * sz;\n quat.z = cx * cy * sz - sx * sy * cz;\n quat.w = cx * cy * cz - sx * sy * sz;\n return quat;\n}\nmat4 matrixFromRT(vec4 q, vec3 p){\n float x2 = q.x + q.x;\n float y2 = q.y + q.y;\n float z2 = q.z + q.z;\n float xx = q.x * x2;\n float xy = q.x * y2;\n float xz = q.x * z2;\n float yy = q.y * y2;\n float yz = q.y * z2;\n float zz = q.z * z2;\n float wx = q.w * x2;\n float wy = q.w * y2;\n float wz = q.w * z2;\n return mat4(\n 1. - (yy + zz), xy + wz, xz - wy, 0,\n xy - wz, 1. - (xx + zz), yz + wx, 0,\n xz + wy, yz - wx, 1. - (xx + yy), 0,\n p.x, p.y, p.z, 1\n );\n}\nmat4 matFromRTS(vec4 q, vec3 t, vec3 s){\n float x = q.x, y = q.y, z = q.z, w = q.w;\n float x2 = x + x;\n float y2 = y + y;\n float z2 = z + z;\n float xx = x * x2;\n float xy = x * y2;\n float xz = x * z2;\n float yy = y * y2;\n float yz = y * z2;\n float zz = z * z2;\n float wx = w * x2;\n float wy = w * y2;\n float wz = w * z2;\n float sx = s.x;\n float sy = s.y;\n float sz = s.z;\n return mat4((1. - (yy + zz)) * sx, (xy + wz) * sx, (xz - wy) * sx, 0,\n (xy - wz) * sy, (1. - (xx + zz)) * sy, (yz + wx) * sy, 0,\n (xz + wy) * sz, (yz - wx) * sz, (1. - (xx + yy)) * sz, 0,\n t.x, t.y, t.z, 1);\n}\nvec4 quatMultiply(vec4 a, vec4 b){\n vec4 quat;\n quat.x = a.x * b.w + a.w * b.x + a.y * b.z - a.z * b.y;\n quat.y = a.y * b.w + a.w * b.y + a.z * b.x - a.x * b.z;\n quat.z = a.z * b.w + a.w * b.z + a.x * b.y - a.y * b.x;\n quat.w = a.w * b.w - a.x * b.x - a.y * b.y - a.z * b.z;\n return quat;\n}\nvoid rotateVecFromQuat(inout vec3 v, vec4 q){\n float ix = q.w * v.x + q.y * v.z - q.z * v.y;\n float iy = q.w * v.y + q.z * v.x - q.x * v.z;\n float iz = q.w * v.z + q.x * v.y - q.y * v.x;\n float iw = -q.x * v.x - q.y * v.y - q.z * v.z;\n v.x = ix * q.w + iw * -q.x + iy * -q.z - iz * -q.y;\n v.y = iy * q.w + iw * -q.y + iz * -q.x - ix * -q.z;\n v.z = iz * q.w + iw * -q.z + ix * -q.y - iy * -q.x;\n}\nvec3 rotateInLocalSpace(vec3 pos, vec3 xAxis, vec3 yAxis, vec3 zAxis, vec4 q){\n float z = pos.z;\n float x = pos.x;\n float y = pos.y;\n vec4 viewQuat = quaternionFromAxis(xAxis, yAxis, zAxis);\n vec4 rotQuat = quatMultiply(viewQuat, q);\n rotateVecFromQuat(pos, rotQuat);\n return pos;\n}\nvoid rotateCorner(inout vec2 corner, float angle){\n float xOS = cos(angle) * corner.x - sin(angle) * corner.y;\n float yOS = sin(angle) * corner.x + cos(angle) * corner.y;\n corner.x = xOS;\n corner.y = yOS;\n}\nuniform Constants{\n vec4 mainTiling_Offset;\n vec4 frameTile_velLenScale;\n vec4 scale;\n};\nuniform CCGlobal {\n mat4 cc_matView;\n mat4 cc_matViewInv;\n mat4 cc_matProj;\n mat4 cc_matProjInv;\n mat4 cc_matViewProj;\n mat4 cc_matViewProjInv;\n vec4 cc_cameraPos;\n vec4 cc_time;\n mediump vec4 cc_screenSize;\n mediump vec4 cc_screenScale;\n};\nuniform CCLocal {\n mat4 cc_matWorld;\n mat4 cc_matWorldIT;\n};\nout vec2 uv;\nout vec4 color;\nvoid computeVertPos(inout vec4 pos, vec2 vertOffset, vec4 q, vec3 s\n#if CC_USE_BILLBOARD || CC_USE_VERTICAL_BILLBOARD\n , mat4 viewInv\n#endif\n#if CC_USE_STRETCHED_BILLBOARD\n , vec3 eye\n , vec4 velocity\n , float velocityScale\n , float lengthScale\n , float xIndex\n#endif\n) {\n#if CC_USE_BILLBOARD\n vec3 viewSpaceVert = vec3(vertOffset.x * s.x, vertOffset.y * s.y, 0.);\n vec3 camX = normalize(vec3(viewInv[0][0], viewInv[1][0], viewInv[2][0]));\n vec3 camY = normalize(vec3(viewInv[0][1], viewInv[1][1], viewInv[2][1]));\n vec3 camZ = normalize(vec3(viewInv[0][2], viewInv[1][2], viewInv[2][2]));\n pos.xyz += rotateInLocalSpace(viewSpaceVert, camX, camY, camZ, q);\n#elif CC_USE_STRETCHED_BILLBOARD\n vec3 camRight = normalize(cross(pos.xyz - eye, velocity.xyz)) * s.x;\n vec3 camUp = velocity.xyz * velocityScale + normalize(velocity.xyz) * lengthScale * s.y;\n pos.xyz += (camRight * abs(vertOffset.x) * sign(vertOffset.y)) - camUp * xIndex;\n#elif CC_USE_HORIZONTAL_BILLBOARD\n vec3 viewSpaceVert = vec3(vertOffset.x * s.x, vertOffset.y * s.y, 0.);\n vec3 camX = vec3(1, 0, 0);\n vec3 camY = vec3(0, 0, -1);\n pos.xyz += rotateInLocalSpace(viewSpaceVert, camX, camY, cross(camX, camY), q);\n#elif CC_USE_VERTICAL_BILLBOARD\n vec2 viewSpaceVert = vec2(vertOffset.x * s.x, vertOffset.y * s.y);\n rotateCorner(viewSpaceVert, q.z);\n vec3 camX = normalize(vec3(cc_matView[0][0], cc_matView[1][0], cc_matView[2][0]));\n vec3 camY = vec3(0, 1, 0);\n vec3 offset = camX * viewSpaceVert.x + camY * viewSpaceVert.y;\n pos.xyz += offset;\n#else\n pos.x += vertOffset.x;\n pos.y += vertOffset.y;\n#endif\n}\nvec2 computeUV(float frameIndex, vec2 vertIndex, vec2 frameTile){\n vec2 aniUV = vec2(0, floor(frameIndex * frameTile.y));\n aniUV.x = floor(frameIndex * frameTile.x * frameTile.y - aniUV.y * frameTile.x);\n#if !CC_USE_MESH\n vertIndex.y = 1. - vertIndex.y;\n#endif\n return (aniUV.xy + vertIndex) / vec2(frameTile.x, frameTile.y);\n}\nin vec3 a_position;\nin vec3 a_texCoord;\nin vec3 a_texCoord1;\nin vec3 a_texCoord2;\nin vec4 a_color;\n#if CC_USE_STRETCHED_BILLBOARD\n in vec3 a_color1;\n#endif\n#if CC_USE_MESH\n in vec3 a_texCoord3;\n in vec3 a_normal;\n in vec4 a_color1;\n#endif\nvec4 lpvs_main() {\n vec3 compScale = scale.xyz * a_texCoord1;\n vec4 pos = vec4(a_position, 1);\n#if CC_USE_STRETCHED_BILLBOARD\n vec4 velocity = vec4(a_color1.xyz, 0);\n#endif\n#if !CC_USE_WORLD_SPACE\n pos = cc_matWorld * pos;\n #if CC_USE_STRETCHED_BILLBOARD\n velocity = cc_matWorld * velocity;\n #endif\n#endif\n#if !CC_USE_MESH\n vec2 cornerOffset = vec2((a_texCoord.xy - 0.5));\n #if CC_USE_BILLBOARD\n vec3 rotEuler = a_texCoord2;\n #elif CC_USE_STRETCHED_BILLBOARD\n vec3 rotEuler = vec3(0.);\n #else\n vec3 rotEuler = vec3(0., 0., a_texCoord2.z);\n #endif\n computeVertPos(pos, cornerOffset, quaternionFromEuler(rotEuler), compScale\n #if CC_USE_BILLBOARD || CC_USE_VERTICAL_BILLBOARD\n , cc_matViewInv\n #endif\n #if CC_USE_STRETCHED_BILLBOARD\n , cc_cameraPos.xyz\n , velocity\n , frameTile_velLenScale.z\n , frameTile_velLenScale.w\n , a_texCoord.x\n #endif\n );\n color = a_color;\n#else\n mat4 xformNoScale = matrixFromRT(quaternionFromEuler(a_texCoord2), pos.xyz);\n mat4 xform = matFromRTS(quaternionFromEuler(a_texCoord2), pos.xyz, compScale);\n pos = xform * vec4(a_texCoord3, 1);\n vec4 normal = xformNoScale * vec4(a_normal, 0);\n color = a_color * a_color1;\n#endif\n uv = computeUV(a_texCoord.z, a_texCoord.xy, frameTile_velLenScale.xy) * mainTiling_Offset.xy + mainTiling_Offset.zw;\n pos = cc_matViewProj * pos;\n return pos;\n}\nvoid main() { gl_Position = lpvs_main(); }", "frag": "\nprecision highp float;\nvec4 CCFragOutput (vec4 color) {\n #if OUTPUT_TO_GAMMA\n color.rgb = sqrt(color.rgb);\n #endif\n\treturn color;\n}\nin vec2 uv;\nin vec4 color;\nuniform sampler2D mainTexture;\nvec4 addSmooth () {\n vec4 col = color * texture(mainTexture, uv);\n col.rgb *= col.a;\n return CCFragOutput(col);\n}\nout vec4 cc_FragColor;\nvoid main() { cc_FragColor = addSmooth(); }" }, "glsl1": { "vert": "\nprecision highp float;\nvec4 quaternionFromAxis(vec3 xAxis,vec3 yAxis,vec3 zAxis){\n mat3 m = mat3(xAxis,yAxis,zAxis);\n float trace = m[0][0] + m[1][1] + m[2][2];\n vec4 quat;\n if (trace > 0.) {\n float s = 0.5 / sqrt(trace + 1.0);\n quat.w = 0.25 / s;\n quat.x = (m[2][1] - m[1][2]) * s;\n quat.y = (m[0][2] - m[2][0]) * s;\n quat.z = (m[1][0] - m[0][1]) * s;\n } else if ((m[0][0] > m[1][1]) && (m[0][0] > m[2][2])) {\n float s = 2.0 * sqrt(1.0 + m[0][0] - m[1][1] - m[2][2]);\n quat.w = (m[2][1] - m[1][2]) / s;\n quat.x = 0.25 * s;\n quat.y = (m[0][1] + m[1][0]) / s;\n quat.z = (m[0][2] + m[2][0]) / s;\n } else if (m[1][1] > m[2][2]) {\n float s = 2.0 * sqrt(1.0 + m[1][1] - m[0][0] - m[2][2]);\n quat.w = (m[0][2] - m[2][0]) / s;\n quat.x = (m[0][1] + m[1][0]) / s;\n quat.y = 0.25 * s;\n quat.z = (m[1][2] + m[2][1]) / s;\n } else {\n float s = 2.0 * sqrt(1.0 + m[2][2] - m[0][0] - m[1][1]);\n quat.w = (m[1][0] - m[0][1]) / s;\n quat.x = (m[0][2] + m[2][0]) / s;\n quat.y = (m[1][2] + m[2][1]) / s;\n quat.z = 0.25 * s;\n }\n float len = quat.x * quat.x + quat.y * quat.y + quat.z * quat.z + quat.w * quat.w;\n if (len > 0.) {\n len = 1. / sqrt(len);\n quat.x = quat.x * len;\n quat.y = quat.y * len;\n quat.z = quat.z * len;\n quat.w = quat.w * len;\n }\n return quat;\n}\nvec4 quaternionFromEuler(vec3 angle){\n float x = angle.x / 2.;\n float y = angle.y / 2.;\n float z = angle.z / 2.;\n float sx = sin(x);\n float cx = cos(x);\n float sy = sin(y);\n float cy = cos(y);\n float sz = sin(z);\n float cz = cos(z);\n vec4 quat = vec4(0);\n quat.x = sx * cy * cz + cx * sy * sz;\n quat.y = cx * sy * cz + sx * cy * sz;\n quat.z = cx * cy * sz - sx * sy * cz;\n quat.w = cx * cy * cz - sx * sy * sz;\n return quat;\n}\nmat4 matrixFromRT(vec4 q, vec3 p){\n float x2 = q.x + q.x;\n float y2 = q.y + q.y;\n float z2 = q.z + q.z;\n float xx = q.x * x2;\n float xy = q.x * y2;\n float xz = q.x * z2;\n float yy = q.y * y2;\n float yz = q.y * z2;\n float zz = q.z * z2;\n float wx = q.w * x2;\n float wy = q.w * y2;\n float wz = q.w * z2;\n return mat4(\n 1. - (yy + zz), xy + wz, xz - wy, 0,\n xy - wz, 1. - (xx + zz), yz + wx, 0,\n xz + wy, yz - wx, 1. - (xx + yy), 0,\n p.x, p.y, p.z, 1\n );\n}\nmat4 matFromRTS(vec4 q, vec3 t, vec3 s){\n float x = q.x, y = q.y, z = q.z, w = q.w;\n float x2 = x + x;\n float y2 = y + y;\n float z2 = z + z;\n float xx = x * x2;\n float xy = x * y2;\n float xz = x * z2;\n float yy = y * y2;\n float yz = y * z2;\n float zz = z * z2;\n float wx = w * x2;\n float wy = w * y2;\n float wz = w * z2;\n float sx = s.x;\n float sy = s.y;\n float sz = s.z;\n return mat4((1. - (yy + zz)) * sx, (xy + wz) * sx, (xz - wy) * sx, 0,\n (xy - wz) * sy, (1. - (xx + zz)) * sy, (yz + wx) * sy, 0,\n (xz + wy) * sz, (yz - wx) * sz, (1. - (xx + yy)) * sz, 0,\n t.x, t.y, t.z, 1);\n}\nvec4 quatMultiply(vec4 a, vec4 b){\n vec4 quat;\n quat.x = a.x * b.w + a.w * b.x + a.y * b.z - a.z * b.y;\n quat.y = a.y * b.w + a.w * b.y + a.z * b.x - a.x * b.z;\n quat.z = a.z * b.w + a.w * b.z + a.x * b.y - a.y * b.x;\n quat.w = a.w * b.w - a.x * b.x - a.y * b.y - a.z * b.z;\n return quat;\n}\nvoid rotateVecFromQuat(inout vec3 v, vec4 q){\n float ix = q.w * v.x + q.y * v.z - q.z * v.y;\n float iy = q.w * v.y + q.z * v.x - q.x * v.z;\n float iz = q.w * v.z + q.x * v.y - q.y * v.x;\n float iw = -q.x * v.x - q.y * v.y - q.z * v.z;\n v.x = ix * q.w + iw * -q.x + iy * -q.z - iz * -q.y;\n v.y = iy * q.w + iw * -q.y + iz * -q.x - ix * -q.z;\n v.z = iz * q.w + iw * -q.z + ix * -q.y - iy * -q.x;\n}\nvec3 rotateInLocalSpace(vec3 pos, vec3 xAxis, vec3 yAxis, vec3 zAxis, vec4 q){\n float z = pos.z;\n float x = pos.x;\n float y = pos.y;\n vec4 viewQuat = quaternionFromAxis(xAxis, yAxis, zAxis);\n vec4 rotQuat = quatMultiply(viewQuat, q);\n rotateVecFromQuat(pos, rotQuat);\n return pos;\n}\nvoid rotateCorner(inout vec2 corner, float angle){\n float xOS = cos(angle) * corner.x - sin(angle) * corner.y;\n float yOS = sin(angle) * corner.x + cos(angle) * corner.y;\n corner.x = xOS;\n corner.y = yOS;\n}\nuniform vec4 mainTiling_Offset;\nuniform vec4 frameTile_velLenScale;\nuniform vec4 scale;\nuniform mat4 cc_matView;\nuniform mat4 cc_matViewInv;\nuniform mat4 cc_matViewProj;\nuniform vec4 cc_cameraPos;\nuniform mat4 cc_matWorld;\nvarying vec2 uv;\nvarying vec4 color;\nvoid computeVertPos(inout vec4 pos, vec2 vertOffset, vec4 q, vec3 s\n#if CC_USE_BILLBOARD || CC_USE_VERTICAL_BILLBOARD\n , mat4 viewInv\n#endif\n#if CC_USE_STRETCHED_BILLBOARD\n , vec3 eye\n , vec4 velocity\n , float velocityScale\n , float lengthScale\n , float xIndex\n#endif\n) {\n#if CC_USE_BILLBOARD\n vec3 viewSpaceVert = vec3(vertOffset.x * s.x, vertOffset.y * s.y, 0.);\n vec3 camX = normalize(vec3(viewInv[0][0], viewInv[1][0], viewInv[2][0]));\n vec3 camY = normalize(vec3(viewInv[0][1], viewInv[1][1], viewInv[2][1]));\n vec3 camZ = normalize(vec3(viewInv[0][2], viewInv[1][2], viewInv[2][2]));\n pos.xyz += rotateInLocalSpace(viewSpaceVert, camX, camY, camZ, q);\n#elif CC_USE_STRETCHED_BILLBOARD\n vec3 camRight = normalize(cross(pos.xyz - eye, velocity.xyz)) * s.x;\n vec3 camUp = velocity.xyz * velocityScale + normalize(velocity.xyz) * lengthScale * s.y;\n pos.xyz += (camRight * abs(vertOffset.x) * sign(vertOffset.y)) - camUp * xIndex;\n#elif CC_USE_HORIZONTAL_BILLBOARD\n vec3 viewSpaceVert = vec3(vertOffset.x * s.x, vertOffset.y * s.y, 0.);\n vec3 camX = vec3(1, 0, 0);\n vec3 camY = vec3(0, 0, -1);\n pos.xyz += rotateInLocalSpace(viewSpaceVert, camX, camY, cross(camX, camY), q);\n#elif CC_USE_VERTICAL_BILLBOARD\n vec2 viewSpaceVert = vec2(vertOffset.x * s.x, vertOffset.y * s.y);\n rotateCorner(viewSpaceVert, q.z);\n vec3 camX = normalize(vec3(cc_matView[0][0], cc_matView[1][0], cc_matView[2][0]));\n vec3 camY = vec3(0, 1, 0);\n vec3 offset = camX * viewSpaceVert.x + camY * viewSpaceVert.y;\n pos.xyz += offset;\n#else\n pos.x += vertOffset.x;\n pos.y += vertOffset.y;\n#endif\n}\nvec2 computeUV(float frameIndex, vec2 vertIndex, vec2 frameTile){\n vec2 aniUV = vec2(0, floor(frameIndex * frameTile.y));\n aniUV.x = floor(frameIndex * frameTile.x * frameTile.y - aniUV.y * frameTile.x);\n#if !CC_USE_MESH\n vertIndex.y = 1. - vertIndex.y;\n#endif\n return (aniUV.xy + vertIndex) / vec2(frameTile.x, frameTile.y);\n}\nattribute vec3 a_position;\nattribute vec3 a_texCoord;\nattribute vec3 a_texCoord1;\nattribute vec3 a_texCoord2;\nattribute vec4 a_color;\n#if CC_USE_STRETCHED_BILLBOARD\n attribute vec3 a_color1;\n#endif\n#if CC_USE_MESH\n attribute vec3 a_texCoord3;\n attribute vec3 a_normal;\n attribute vec4 a_color1;\n#endif\nvec4 lpvs_main() {\n vec3 compScale = scale.xyz * a_texCoord1;\n vec4 pos = vec4(a_position, 1);\n#if CC_USE_STRETCHED_BILLBOARD\n vec4 velocity = vec4(a_color1.xyz, 0);\n#endif\n#if !CC_USE_WORLD_SPACE\n pos = cc_matWorld * pos;\n #if CC_USE_STRETCHED_BILLBOARD\n velocity = cc_matWorld * velocity;\n #endif\n#endif\n#if !CC_USE_MESH\n vec2 cornerOffset = vec2((a_texCoord.xy - 0.5));\n #if CC_USE_BILLBOARD\n vec3 rotEuler = a_texCoord2;\n #elif CC_USE_STRETCHED_BILLBOARD\n vec3 rotEuler = vec3(0.);\n #else\n vec3 rotEuler = vec3(0., 0., a_texCoord2.z);\n #endif\n computeVertPos(pos, cornerOffset, quaternionFromEuler(rotEuler), compScale\n #if CC_USE_BILLBOARD || CC_USE_VERTICAL_BILLBOARD\n , cc_matViewInv\n #endif\n #if CC_USE_STRETCHED_BILLBOARD\n , cc_cameraPos.xyz\n , velocity\n , frameTile_velLenScale.z\n , frameTile_velLenScale.w\n , a_texCoord.x\n #endif\n );\n color = a_color;\n#else\n mat4 xformNoScale = matrixFromRT(quaternionFromEuler(a_texCoord2), pos.xyz);\n mat4 xform = matFromRTS(quaternionFromEuler(a_texCoord2), pos.xyz, compScale);\n pos = xform * vec4(a_texCoord3, 1);\n vec4 normal = xformNoScale * vec4(a_normal, 0);\n color = a_color * a_color1;\n#endif\n uv = computeUV(a_texCoord.z, a_texCoord.xy, frameTile_velLenScale.xy) * mainTiling_Offset.xy + mainTiling_Offset.zw;\n pos = cc_matViewProj * pos;\n return pos;\n}\nvoid main() { gl_Position = lpvs_main(); }", "frag": "\nprecision highp float;\nvec4 CCFragOutput (vec4 color) {\n #if OUTPUT_TO_GAMMA\n color.rgb = sqrt(color.rgb);\n #endif\n\treturn color;\n}\nvarying vec2 uv;\nvarying vec4 color;\nuniform sampler2D mainTexture;\nvec4 addSmooth () {\n vec4 col = color * texture2D(mainTexture, uv);\n col.rgb *= col.a;\n return CCFragOutput(col);\n}\nvoid main() { gl_FragColor = addSmooth(); }" }, "builtins": { "globals": { "blocks": [ { "name": "CCGlobal", "defines": [] } ], "samplers": [] }, "locals": { "blocks": [ { "name": "CCLocal", "defines": [] } ], "samplers": [] } }, "defines": [ { "name": "CC_USE_BILLBOARD", "type": "boolean", "defines": [] }, { "name": "CC_USE_STRETCHED_BILLBOARD", "type": "boolean", "defines": [] }, { "name": "CC_USE_HORIZONTAL_BILLBOARD", "type": "boolean", "defines": [] }, { "name": "CC_USE_VERTICAL_BILLBOARD", "type": "boolean", "defines": [] }, { "name": "CC_USE_MESH", "type": "boolean", "defines": [] }, { "name": "CC_USE_WORLD_SPACE", "type": "boolean", "defines": [] }, { "name": "OUTPUT_TO_GAMMA", "type": "boolean", "defines": [] } ], "blocks": [ { "name": "Constants", "members": [ { "name": "mainTiling_Offset", "type": 16, "count": 1 }, { "name": "frameTile_velLenScale", "type": 16, "count": 1 }, { "name": "scale", "type": 16, "count": 1 } ], "defines": [], "binding": 0 } ], "samplers": [ { "name": "mainTexture", "type": 29, "count": 1, "defines": [], "binding": 30 } ], "record": null, "name": "builtin-3d-particle|particle-vs-legacy:lpvs_main|no-tint-fs:addSmooth" }, { "hash": 145387972, "glsl3": { "vert": "\nprecision highp float;\nvec4 quaternionFromAxis(vec3 xAxis,vec3 yAxis,vec3 zAxis){\n mat3 m = mat3(xAxis,yAxis,zAxis);\n float trace = m[0][0] + m[1][1] + m[2][2];\n vec4 quat;\n if (trace > 0.) {\n float s = 0.5 / sqrt(trace + 1.0);\n quat.w = 0.25 / s;\n quat.x = (m[2][1] - m[1][2]) * s;\n quat.y = (m[0][2] - m[2][0]) * s;\n quat.z = (m[1][0] - m[0][1]) * s;\n } else if ((m[0][0] > m[1][1]) && (m[0][0] > m[2][2])) {\n float s = 2.0 * sqrt(1.0 + m[0][0] - m[1][1] - m[2][2]);\n quat.w = (m[2][1] - m[1][2]) / s;\n quat.x = 0.25 * s;\n quat.y = (m[0][1] + m[1][0]) / s;\n quat.z = (m[0][2] + m[2][0]) / s;\n } else if (m[1][1] > m[2][2]) {\n float s = 2.0 * sqrt(1.0 + m[1][1] - m[0][0] - m[2][2]);\n quat.w = (m[0][2] - m[2][0]) / s;\n quat.x = (m[0][1] + m[1][0]) / s;\n quat.y = 0.25 * s;\n quat.z = (m[1][2] + m[2][1]) / s;\n } else {\n float s = 2.0 * sqrt(1.0 + m[2][2] - m[0][0] - m[1][1]);\n quat.w = (m[1][0] - m[0][1]) / s;\n quat.x = (m[0][2] + m[2][0]) / s;\n quat.y = (m[1][2] + m[2][1]) / s;\n quat.z = 0.25 * s;\n }\n float len = quat.x * quat.x + quat.y * quat.y + quat.z * quat.z + quat.w * quat.w;\n if (len > 0.) {\n len = 1. / sqrt(len);\n quat.x = quat.x * len;\n quat.y = quat.y * len;\n quat.z = quat.z * len;\n quat.w = quat.w * len;\n }\n return quat;\n}\nvec4 quaternionFromEuler(vec3 angle){\n float x = angle.x / 2.;\n float y = angle.y / 2.;\n float z = angle.z / 2.;\n float sx = sin(x);\n float cx = cos(x);\n float sy = sin(y);\n float cy = cos(y);\n float sz = sin(z);\n float cz = cos(z);\n vec4 quat = vec4(0);\n quat.x = sx * cy * cz + cx * sy * sz;\n quat.y = cx * sy * cz + sx * cy * sz;\n quat.z = cx * cy * sz - sx * sy * cz;\n quat.w = cx * cy * cz - sx * sy * sz;\n return quat;\n}\nmat4 matrixFromRT(vec4 q, vec3 p){\n float x2 = q.x + q.x;\n float y2 = q.y + q.y;\n float z2 = q.z + q.z;\n float xx = q.x * x2;\n float xy = q.x * y2;\n float xz = q.x * z2;\n float yy = q.y * y2;\n float yz = q.y * z2;\n float zz = q.z * z2;\n float wx = q.w * x2;\n float wy = q.w * y2;\n float wz = q.w * z2;\n return mat4(\n 1. - (yy + zz), xy + wz, xz - wy, 0,\n xy - wz, 1. - (xx + zz), yz + wx, 0,\n xz + wy, yz - wx, 1. - (xx + yy), 0,\n p.x, p.y, p.z, 1\n );\n}\nmat4 matFromRTS(vec4 q, vec3 t, vec3 s){\n float x = q.x, y = q.y, z = q.z, w = q.w;\n float x2 = x + x;\n float y2 = y + y;\n float z2 = z + z;\n float xx = x * x2;\n float xy = x * y2;\n float xz = x * z2;\n float yy = y * y2;\n float yz = y * z2;\n float zz = z * z2;\n float wx = w * x2;\n float wy = w * y2;\n float wz = w * z2;\n float sx = s.x;\n float sy = s.y;\n float sz = s.z;\n return mat4((1. - (yy + zz)) * sx, (xy + wz) * sx, (xz - wy) * sx, 0,\n (xy - wz) * sy, (1. - (xx + zz)) * sy, (yz + wx) * sy, 0,\n (xz + wy) * sz, (yz - wx) * sz, (1. - (xx + yy)) * sz, 0,\n t.x, t.y, t.z, 1);\n}\nvec4 quatMultiply(vec4 a, vec4 b){\n vec4 quat;\n quat.x = a.x * b.w + a.w * b.x + a.y * b.z - a.z * b.y;\n quat.y = a.y * b.w + a.w * b.y + a.z * b.x - a.x * b.z;\n quat.z = a.z * b.w + a.w * b.z + a.x * b.y - a.y * b.x;\n quat.w = a.w * b.w - a.x * b.x - a.y * b.y - a.z * b.z;\n return quat;\n}\nvoid rotateVecFromQuat(inout vec3 v, vec4 q){\n float ix = q.w * v.x + q.y * v.z - q.z * v.y;\n float iy = q.w * v.y + q.z * v.x - q.x * v.z;\n float iz = q.w * v.z + q.x * v.y - q.y * v.x;\n float iw = -q.x * v.x - q.y * v.y - q.z * v.z;\n v.x = ix * q.w + iw * -q.x + iy * -q.z - iz * -q.y;\n v.y = iy * q.w + iw * -q.y + iz * -q.x - ix * -q.z;\n v.z = iz * q.w + iw * -q.z + ix * -q.y - iy * -q.x;\n}\nvec3 rotateInLocalSpace(vec3 pos, vec3 xAxis, vec3 yAxis, vec3 zAxis, vec4 q){\n float z = pos.z;\n float x = pos.x;\n float y = pos.y;\n vec4 viewQuat = quaternionFromAxis(xAxis, yAxis, zAxis);\n vec4 rotQuat = quatMultiply(viewQuat, q);\n rotateVecFromQuat(pos, rotQuat);\n return pos;\n}\nvoid rotateCorner(inout vec2 corner, float angle){\n float xOS = cos(angle) * corner.x - sin(angle) * corner.y;\n float yOS = sin(angle) * corner.x + cos(angle) * corner.y;\n corner.x = xOS;\n corner.y = yOS;\n}\nuniform Constants{\n vec4 mainTiling_Offset;\n vec4 frameTile_velLenScale;\n vec4 scale;\n};\nuniform CCGlobal {\n mat4 cc_matView;\n mat4 cc_matViewInv;\n mat4 cc_matProj;\n mat4 cc_matProjInv;\n mat4 cc_matViewProj;\n mat4 cc_matViewProjInv;\n vec4 cc_cameraPos;\n vec4 cc_time;\n mediump vec4 cc_screenSize;\n mediump vec4 cc_screenScale;\n};\nuniform CCLocal {\n mat4 cc_matWorld;\n mat4 cc_matWorldIT;\n};\nout vec2 uv;\nout vec4 color;\nvoid computeVertPos(inout vec4 pos, vec2 vertOffset, vec4 q, vec3 s\n#if CC_USE_BILLBOARD || CC_USE_VERTICAL_BILLBOARD\n , mat4 viewInv\n#endif\n#if CC_USE_STRETCHED_BILLBOARD\n , vec3 eye\n , vec4 velocity\n , float velocityScale\n , float lengthScale\n , float xIndex\n#endif\n) {\n#if CC_USE_BILLBOARD\n vec3 viewSpaceVert = vec3(vertOffset.x * s.x, vertOffset.y * s.y, 0.);\n vec3 camX = normalize(vec3(viewInv[0][0], viewInv[1][0], viewInv[2][0]));\n vec3 camY = normalize(vec3(viewInv[0][1], viewInv[1][1], viewInv[2][1]));\n vec3 camZ = normalize(vec3(viewInv[0][2], viewInv[1][2], viewInv[2][2]));\n pos.xyz += rotateInLocalSpace(viewSpaceVert, camX, camY, camZ, q);\n#elif CC_USE_STRETCHED_BILLBOARD\n vec3 camRight = normalize(cross(pos.xyz - eye, velocity.xyz)) * s.x;\n vec3 camUp = velocity.xyz * velocityScale + normalize(velocity.xyz) * lengthScale * s.y;\n pos.xyz += (camRight * abs(vertOffset.x) * sign(vertOffset.y)) - camUp * xIndex;\n#elif CC_USE_HORIZONTAL_BILLBOARD\n vec3 viewSpaceVert = vec3(vertOffset.x * s.x, vertOffset.y * s.y, 0.);\n vec3 camX = vec3(1, 0, 0);\n vec3 camY = vec3(0, 0, -1);\n pos.xyz += rotateInLocalSpace(viewSpaceVert, camX, camY, cross(camX, camY), q);\n#elif CC_USE_VERTICAL_BILLBOARD\n vec2 viewSpaceVert = vec2(vertOffset.x * s.x, vertOffset.y * s.y);\n rotateCorner(viewSpaceVert, q.z);\n vec3 camX = normalize(vec3(cc_matView[0][0], cc_matView[1][0], cc_matView[2][0]));\n vec3 camY = vec3(0, 1, 0);\n vec3 offset = camX * viewSpaceVert.x + camY * viewSpaceVert.y;\n pos.xyz += offset;\n#else\n pos.x += vertOffset.x;\n pos.y += vertOffset.y;\n#endif\n}\nvec2 computeUV(float frameIndex, vec2 vertIndex, vec2 frameTile){\n vec2 aniUV = vec2(0, floor(frameIndex * frameTile.y));\n aniUV.x = floor(frameIndex * frameTile.x * frameTile.y - aniUV.y * frameTile.x);\n#if !CC_USE_MESH\n vertIndex.y = 1. - vertIndex.y;\n#endif\n return (aniUV.xy + vertIndex) / vec2(frameTile.x, frameTile.y);\n}\nin vec3 a_position;\nin vec3 a_texCoord;\nin vec3 a_texCoord1;\nin vec3 a_texCoord2;\nin vec4 a_color;\n#if CC_USE_STRETCHED_BILLBOARD\n in vec3 a_color1;\n#endif\n#if CC_USE_MESH\n in vec3 a_texCoord3;\n in vec3 a_normal;\n in vec4 a_color1;\n#endif\nvec4 lpvs_main() {\n vec3 compScale = scale.xyz * a_texCoord1;\n vec4 pos = vec4(a_position, 1);\n#if CC_USE_STRETCHED_BILLBOARD\n vec4 velocity = vec4(a_color1.xyz, 0);\n#endif\n#if !CC_USE_WORLD_SPACE\n pos = cc_matWorld * pos;\n #if CC_USE_STRETCHED_BILLBOARD\n velocity = cc_matWorld * velocity;\n #endif\n#endif\n#if !CC_USE_MESH\n vec2 cornerOffset = vec2((a_texCoord.xy - 0.5));\n #if CC_USE_BILLBOARD\n vec3 rotEuler = a_texCoord2;\n #elif CC_USE_STRETCHED_BILLBOARD\n vec3 rotEuler = vec3(0.);\n #else\n vec3 rotEuler = vec3(0., 0., a_texCoord2.z);\n #endif\n computeVertPos(pos, cornerOffset, quaternionFromEuler(rotEuler), compScale\n #if CC_USE_BILLBOARD || CC_USE_VERTICAL_BILLBOARD\n , cc_matViewInv\n #endif\n #if CC_USE_STRETCHED_BILLBOARD\n , cc_cameraPos.xyz\n , velocity\n , frameTile_velLenScale.z\n , frameTile_velLenScale.w\n , a_texCoord.x\n #endif\n );\n color = a_color;\n#else\n mat4 xformNoScale = matrixFromRT(quaternionFromEuler(a_texCoord2), pos.xyz);\n mat4 xform = matFromRTS(quaternionFromEuler(a_texCoord2), pos.xyz, compScale);\n pos = xform * vec4(a_texCoord3, 1);\n vec4 normal = xformNoScale * vec4(a_normal, 0);\n color = a_color * a_color1;\n#endif\n uv = computeUV(a_texCoord.z, a_texCoord.xy, frameTile_velLenScale.xy) * mainTiling_Offset.xy + mainTiling_Offset.zw;\n pos = cc_matViewProj * pos;\n return pos;\n}\nvoid main() { gl_Position = lpvs_main(); }", "frag": "\nprecision highp float;\nvec4 CCFragOutput (vec4 color) {\n #if OUTPUT_TO_GAMMA\n color.rgb = sqrt(color.rgb);\n #endif\n\treturn color;\n}\nin vec2 uv;\nin vec4 color;\nuniform sampler2D mainTexture;\nvec4 premultiplied () {\n vec4 col = color * texture(mainTexture, uv) * color.a;\n return CCFragOutput(col);\n}\nout vec4 cc_FragColor;\nvoid main() { cc_FragColor = premultiplied(); }" }, "glsl1": { "vert": "\nprecision highp float;\nvec4 quaternionFromAxis(vec3 xAxis,vec3 yAxis,vec3 zAxis){\n mat3 m = mat3(xAxis,yAxis,zAxis);\n float trace = m[0][0] + m[1][1] + m[2][2];\n vec4 quat;\n if (trace > 0.) {\n float s = 0.5 / sqrt(trace + 1.0);\n quat.w = 0.25 / s;\n quat.x = (m[2][1] - m[1][2]) * s;\n quat.y = (m[0][2] - m[2][0]) * s;\n quat.z = (m[1][0] - m[0][1]) * s;\n } else if ((m[0][0] > m[1][1]) && (m[0][0] > m[2][2])) {\n float s = 2.0 * sqrt(1.0 + m[0][0] - m[1][1] - m[2][2]);\n quat.w = (m[2][1] - m[1][2]) / s;\n quat.x = 0.25 * s;\n quat.y = (m[0][1] + m[1][0]) / s;\n quat.z = (m[0][2] + m[2][0]) / s;\n } else if (m[1][1] > m[2][2]) {\n float s = 2.0 * sqrt(1.0 + m[1][1] - m[0][0] - m[2][2]);\n quat.w = (m[0][2] - m[2][0]) / s;\n quat.x = (m[0][1] + m[1][0]) / s;\n quat.y = 0.25 * s;\n quat.z = (m[1][2] + m[2][1]) / s;\n } else {\n float s = 2.0 * sqrt(1.0 + m[2][2] - m[0][0] - m[1][1]);\n quat.w = (m[1][0] - m[0][1]) / s;\n quat.x = (m[0][2] + m[2][0]) / s;\n quat.y = (m[1][2] + m[2][1]) / s;\n quat.z = 0.25 * s;\n }\n float len = quat.x * quat.x + quat.y * quat.y + quat.z * quat.z + quat.w * quat.w;\n if (len > 0.) {\n len = 1. / sqrt(len);\n quat.x = quat.x * len;\n quat.y = quat.y * len;\n quat.z = quat.z * len;\n quat.w = quat.w * len;\n }\n return quat;\n}\nvec4 quaternionFromEuler(vec3 angle){\n float x = angle.x / 2.;\n float y = angle.y / 2.;\n float z = angle.z / 2.;\n float sx = sin(x);\n float cx = cos(x);\n float sy = sin(y);\n float cy = cos(y);\n float sz = sin(z);\n float cz = cos(z);\n vec4 quat = vec4(0);\n quat.x = sx * cy * cz + cx * sy * sz;\n quat.y = cx * sy * cz + sx * cy * sz;\n quat.z = cx * cy * sz - sx * sy * cz;\n quat.w = cx * cy * cz - sx * sy * sz;\n return quat;\n}\nmat4 matrixFromRT(vec4 q, vec3 p){\n float x2 = q.x + q.x;\n float y2 = q.y + q.y;\n float z2 = q.z + q.z;\n float xx = q.x * x2;\n float xy = q.x * y2;\n float xz = q.x * z2;\n float yy = q.y * y2;\n float yz = q.y * z2;\n float zz = q.z * z2;\n float wx = q.w * x2;\n float wy = q.w * y2;\n float wz = q.w * z2;\n return mat4(\n 1. - (yy + zz), xy + wz, xz - wy, 0,\n xy - wz, 1. - (xx + zz), yz + wx, 0,\n xz + wy, yz - wx, 1. - (xx + yy), 0,\n p.x, p.y, p.z, 1\n );\n}\nmat4 matFromRTS(vec4 q, vec3 t, vec3 s){\n float x = q.x, y = q.y, z = q.z, w = q.w;\n float x2 = x + x;\n float y2 = y + y;\n float z2 = z + z;\n float xx = x * x2;\n float xy = x * y2;\n float xz = x * z2;\n float yy = y * y2;\n float yz = y * z2;\n float zz = z * z2;\n float wx = w * x2;\n float wy = w * y2;\n float wz = w * z2;\n float sx = s.x;\n float sy = s.y;\n float sz = s.z;\n return mat4((1. - (yy + zz)) * sx, (xy + wz) * sx, (xz - wy) * sx, 0,\n (xy - wz) * sy, (1. - (xx + zz)) * sy, (yz + wx) * sy, 0,\n (xz + wy) * sz, (yz - wx) * sz, (1. - (xx + yy)) * sz, 0,\n t.x, t.y, t.z, 1);\n}\nvec4 quatMultiply(vec4 a, vec4 b){\n vec4 quat;\n quat.x = a.x * b.w + a.w * b.x + a.y * b.z - a.z * b.y;\n quat.y = a.y * b.w + a.w * b.y + a.z * b.x - a.x * b.z;\n quat.z = a.z * b.w + a.w * b.z + a.x * b.y - a.y * b.x;\n quat.w = a.w * b.w - a.x * b.x - a.y * b.y - a.z * b.z;\n return quat;\n}\nvoid rotateVecFromQuat(inout vec3 v, vec4 q){\n float ix = q.w * v.x + q.y * v.z - q.z * v.y;\n float iy = q.w * v.y + q.z * v.x - q.x * v.z;\n float iz = q.w * v.z + q.x * v.y - q.y * v.x;\n float iw = -q.x * v.x - q.y * v.y - q.z * v.z;\n v.x = ix * q.w + iw * -q.x + iy * -q.z - iz * -q.y;\n v.y = iy * q.w + iw * -q.y + iz * -q.x - ix * -q.z;\n v.z = iz * q.w + iw * -q.z + ix * -q.y - iy * -q.x;\n}\nvec3 rotateInLocalSpace(vec3 pos, vec3 xAxis, vec3 yAxis, vec3 zAxis, vec4 q){\n float z = pos.z;\n float x = pos.x;\n float y = pos.y;\n vec4 viewQuat = quaternionFromAxis(xAxis, yAxis, zAxis);\n vec4 rotQuat = quatMultiply(viewQuat, q);\n rotateVecFromQuat(pos, rotQuat);\n return pos;\n}\nvoid rotateCorner(inout vec2 corner, float angle){\n float xOS = cos(angle) * corner.x - sin(angle) * corner.y;\n float yOS = sin(angle) * corner.x + cos(angle) * corner.y;\n corner.x = xOS;\n corner.y = yOS;\n}\nuniform vec4 mainTiling_Offset;\nuniform vec4 frameTile_velLenScale;\nuniform vec4 scale;\nuniform mat4 cc_matView;\nuniform mat4 cc_matViewInv;\nuniform mat4 cc_matViewProj;\nuniform vec4 cc_cameraPos;\nuniform mat4 cc_matWorld;\nvarying vec2 uv;\nvarying vec4 color;\nvoid computeVertPos(inout vec4 pos, vec2 vertOffset, vec4 q, vec3 s\n#if CC_USE_BILLBOARD || CC_USE_VERTICAL_BILLBOARD\n , mat4 viewInv\n#endif\n#if CC_USE_STRETCHED_BILLBOARD\n , vec3 eye\n , vec4 velocity\n , float velocityScale\n , float lengthScale\n , float xIndex\n#endif\n) {\n#if CC_USE_BILLBOARD\n vec3 viewSpaceVert = vec3(vertOffset.x * s.x, vertOffset.y * s.y, 0.);\n vec3 camX = normalize(vec3(viewInv[0][0], viewInv[1][0], viewInv[2][0]));\n vec3 camY = normalize(vec3(viewInv[0][1], viewInv[1][1], viewInv[2][1]));\n vec3 camZ = normalize(vec3(viewInv[0][2], viewInv[1][2], viewInv[2][2]));\n pos.xyz += rotateInLocalSpace(viewSpaceVert, camX, camY, camZ, q);\n#elif CC_USE_STRETCHED_BILLBOARD\n vec3 camRight = normalize(cross(pos.xyz - eye, velocity.xyz)) * s.x;\n vec3 camUp = velocity.xyz * velocityScale + normalize(velocity.xyz) * lengthScale * s.y;\n pos.xyz += (camRight * abs(vertOffset.x) * sign(vertOffset.y)) - camUp * xIndex;\n#elif CC_USE_HORIZONTAL_BILLBOARD\n vec3 viewSpaceVert = vec3(vertOffset.x * s.x, vertOffset.y * s.y, 0.);\n vec3 camX = vec3(1, 0, 0);\n vec3 camY = vec3(0, 0, -1);\n pos.xyz += rotateInLocalSpace(viewSpaceVert, camX, camY, cross(camX, camY), q);\n#elif CC_USE_VERTICAL_BILLBOARD\n vec2 viewSpaceVert = vec2(vertOffset.x * s.x, vertOffset.y * s.y);\n rotateCorner(viewSpaceVert, q.z);\n vec3 camX = normalize(vec3(cc_matView[0][0], cc_matView[1][0], cc_matView[2][0]));\n vec3 camY = vec3(0, 1, 0);\n vec3 offset = camX * viewSpaceVert.x + camY * viewSpaceVert.y;\n pos.xyz += offset;\n#else\n pos.x += vertOffset.x;\n pos.y += vertOffset.y;\n#endif\n}\nvec2 computeUV(float frameIndex, vec2 vertIndex, vec2 frameTile){\n vec2 aniUV = vec2(0, floor(frameIndex * frameTile.y));\n aniUV.x = floor(frameIndex * frameTile.x * frameTile.y - aniUV.y * frameTile.x);\n#if !CC_USE_MESH\n vertIndex.y = 1. - vertIndex.y;\n#endif\n return (aniUV.xy + vertIndex) / vec2(frameTile.x, frameTile.y);\n}\nattribute vec3 a_position;\nattribute vec3 a_texCoord;\nattribute vec3 a_texCoord1;\nattribute vec3 a_texCoord2;\nattribute vec4 a_color;\n#if CC_USE_STRETCHED_BILLBOARD\n attribute vec3 a_color1;\n#endif\n#if CC_USE_MESH\n attribute vec3 a_texCoord3;\n attribute vec3 a_normal;\n attribute vec4 a_color1;\n#endif\nvec4 lpvs_main() {\n vec3 compScale = scale.xyz * a_texCoord1;\n vec4 pos = vec4(a_position, 1);\n#if CC_USE_STRETCHED_BILLBOARD\n vec4 velocity = vec4(a_color1.xyz, 0);\n#endif\n#if !CC_USE_WORLD_SPACE\n pos = cc_matWorld * pos;\n #if CC_USE_STRETCHED_BILLBOARD\n velocity = cc_matWorld * velocity;\n #endif\n#endif\n#if !CC_USE_MESH\n vec2 cornerOffset = vec2((a_texCoord.xy - 0.5));\n #if CC_USE_BILLBOARD\n vec3 rotEuler = a_texCoord2;\n #elif CC_USE_STRETCHED_BILLBOARD\n vec3 rotEuler = vec3(0.);\n #else\n vec3 rotEuler = vec3(0., 0., a_texCoord2.z);\n #endif\n computeVertPos(pos, cornerOffset, quaternionFromEuler(rotEuler), compScale\n #if CC_USE_BILLBOARD || CC_USE_VERTICAL_BILLBOARD\n , cc_matViewInv\n #endif\n #if CC_USE_STRETCHED_BILLBOARD\n , cc_cameraPos.xyz\n , velocity\n , frameTile_velLenScale.z\n , frameTile_velLenScale.w\n , a_texCoord.x\n #endif\n );\n color = a_color;\n#else\n mat4 xformNoScale = matrixFromRT(quaternionFromEuler(a_texCoord2), pos.xyz);\n mat4 xform = matFromRTS(quaternionFromEuler(a_texCoord2), pos.xyz, compScale);\n pos = xform * vec4(a_texCoord3, 1);\n vec4 normal = xformNoScale * vec4(a_normal, 0);\n color = a_color * a_color1;\n#endif\n uv = computeUV(a_texCoord.z, a_texCoord.xy, frameTile_velLenScale.xy) * mainTiling_Offset.xy + mainTiling_Offset.zw;\n pos = cc_matViewProj * pos;\n return pos;\n}\nvoid main() { gl_Position = lpvs_main(); }", "frag": "\nprecision highp float;\nvec4 CCFragOutput (vec4 color) {\n #if OUTPUT_TO_GAMMA\n color.rgb = sqrt(color.rgb);\n #endif\n\treturn color;\n}\nvarying vec2 uv;\nvarying vec4 color;\nuniform sampler2D mainTexture;\nvec4 premultiplied () {\n vec4 col = color * texture2D(mainTexture, uv) * color.a;\n return CCFragOutput(col);\n}\nvoid main() { gl_FragColor = premultiplied(); }" }, "builtins": { "globals": { "blocks": [ { "name": "CCGlobal", "defines": [] } ], "samplers": [] }, "locals": { "blocks": [ { "name": "CCLocal", "defines": [] } ], "samplers": [] } }, "defines": [ { "name": "CC_USE_BILLBOARD", "type": "boolean", "defines": [] }, { "name": "CC_USE_STRETCHED_BILLBOARD", "type": "boolean", "defines": [] }, { "name": "CC_USE_HORIZONTAL_BILLBOARD", "type": "boolean", "defines": [] }, { "name": "CC_USE_VERTICAL_BILLBOARD", "type": "boolean", "defines": [] }, { "name": "CC_USE_MESH", "type": "boolean", "defines": [] }, { "name": "CC_USE_WORLD_SPACE", "type": "boolean", "defines": [] }, { "name": "OUTPUT_TO_GAMMA", "type": "boolean", "defines": [] } ], "blocks": [ { "name": "Constants", "members": [ { "name": "mainTiling_Offset", "type": 16, "count": 1 }, { "name": "frameTile_velLenScale", "type": 16, "count": 1 }, { "name": "scale", "type": 16, "count": 1 } ], "defines": [], "binding": 0 } ], "samplers": [ { "name": "mainTexture", "type": 29, "count": 1, "defines": [], "binding": 30 } ], "record": null, "name": "builtin-3d-particle|particle-vs-legacy:lpvs_main|no-tint-fs:premultiplied" } ] }