playcanvas/build/playcanvas/src/scene/shader-lib/glsl/chunks/particle/frag/particle_lighting.js

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

var particle_lighting_default = `
	vec3 light = negNormal.x*lightCube[0] + posNormal.x*lightCube[1] +
						negNormal.y*lightCube[2] + posNormal.y*lightCube[3] +
						negNormal.z*lightCube[4] + posNormal.z*lightCube[5];
	rgb *= light;
`;
export {
	particle_lighting_default as default
};