@animech-public/playcanvas/build/playcanvas/src/scene/shader-lib/chunks/common/vert/skinConst.js

PlayCanvas WebGL game engine

var t="\nattribute vec4 vertex_boneWeights;\nattribute vec4 vertex_boneIndices;\nuniform vec4 matrix_pose[BONE_LIMIT * 3];\nvoid getBoneMatrix(const in float i, out vec4 v1, out vec4 v2, out vec4 v3) {\n\tv1 = matrix_pose[int(3.0 * i)];\n\tv2 = matrix_pose[int(3.0 * i + 1.0)];\n\tv3 = matrix_pose[int(3.0 * i + 2.0)];\n}\nmat4 getSkinMatrix(const in vec4 indices, const in vec4 weights) {\n\tvec4 a1, a2, a3;\n\tgetBoneMatrix(indices.x, a1, a2, a3);\n\tvec4 b1, b2, b3;\n\tgetBoneMatrix(indices.y, b1, b2, b3);\n\tvec4 c1, c2, c3;\n\tgetBoneMatrix(indices.z, c1, c2, c3);\n\tvec4 d1, d2, d3;\n\tgetBoneMatrix(indices.w, d1, d2, d3);\n\tvec4 v1 = a1 * weights.x + b1 * weights.y + c1 * weights.z + d1 * weights.w;\n\tvec4 v2 = a2 * weights.x + b2 * weights.y + c2 * weights.z + d2 * weights.w;\n\tvec4 v3 = a3 * weights.x + b3 * weights.y + c3 * weights.z + d3 * weights.w;\n\tfloat one = dot(weights, vec4(1.0));\n\treturn mat4(\n\t\tv1.x, v2.x, v3.x, 0,\n\t\tv1.y, v2.y, v3.y, 0,\n\t\tv1.z, v2.z, v3.z, 0,\n\t\tv1.w, v2.w, v3.w, one\n\t);\n}\n";export{t as default};