playcanvas/build/playcanvas/src/scene/shader-lib/wgsl/chunks/gsplat/vert/gsplatCenter.d.ts

PlayCanvas WebGL game engine

declare const _default: "\nuniform matrix_model: mat4x4f;\nuniform matrix_view: mat4x4f;\nuniform matrix_projection: mat4x4f;\n\n// project the model space gaussian center to view and clip space\nfn initCenter(modelCenter: vec3f, center: ptr<function, SplatCenter>) -> bool {\n    let modelView: mat4x4f = uniform.matrix_view * uniform.matrix_model;\n    let centerView: vec4f = modelView * vec4f(modelCenter, 1.0);\n\n    // early out if splat is behind the camera\n    if (centerView.z > 0.0) {\n        return false;\n    }\n\n    var centerProj: vec4f = uniform.matrix_projection * centerView;\n\n    // ensure gaussians are not clipped by camera near and far\n    centerProj.z = clamp(centerProj.z, 0.0, abs(centerProj.w));\n\n    center.view = centerView.xyz / centerView.w;\n    center.proj = centerProj;\n    center.projMat00 = uniform.matrix_projection[0][0];\n    center.modelView = modelView;\n    return true;\n}\n";
export default _default;