playcanvas/build/playcanvas/src/scene/shader-lib/glsl/chunks/gsplat/vert/gsplatQuatToMat3.d.ts

Open-source WebGL/WebGPU 3D engine for the web

declare const _default: "\nmat3 quatToMat3(vec4 R) {\n    vec4 R2 = R + R;\n    float X = R2.x * R.w;\n    vec4 Y  = R2.y * R;\n    vec4 Z  = R2.z * R;\n    float W = R2.w * R.w;\n\n    return mat3(\n        1.0 - Z.z - W,\n              Y.z + X,\n              Y.w - Z.x,\n              Y.z - X,\n        1.0 - Y.y - W,\n              Z.w + Y.x,\n              Y.w + Z.x,\n              Z.w - Y.x,\n        1.0 - Y.y - Z.z\n    );\n}\n\n// Quaternion multiplication: result = a * b\nvec4 quatMul(vec4 a, vec4 b) {\n    return vec4(\n        a.w * b.x + a.x * b.w + a.y * b.z - a.z * b.y,\n        a.w * b.y - a.x * b.z + a.y * b.w + a.z * b.x,\n        a.w * b.z + a.x * b.y - a.y * b.x + a.z * b.w,\n        a.w * b.w - a.x * b.x - a.y * b.y - a.z * b.z\n    );\n}\n";
export default _default;