playcanvas

Version:

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

20 lines (19 loc) • 501 B

JavaScript

var particle_TBN_default = `
	let rot3 = mat3x3f(
		vec3f(rotMatrix[0][0], rotMatrix[1][0], 0.0),
		vec3f(rotMatrix[0][1], rotMatrix[1][1], 0.0),
		vec3f(0.0, 0.0, 1.0)
	);
	let viewBasis = mat3x3f(
		-uniform.matrix_viewInverse[0].xyz,
		-uniform.matrix_viewInverse[1].xyz,
		uniform.matrix_viewInverse[2].xyz
	);
	let tempMat = viewBasis * rot3;
	output.ParticleMat0 = tempMat[0];
	output.ParticleMat1 = tempMat[1];
	output.ParticleMat2 = tempMat[2];
`;
export {
	particle_TBN_default as default
};