playcanvas

Version:

PlayCanvas WebGL game engine

17 lines (15 loc) • 517 B

JavaScript

var particleInputFloatPS = `
fn readInput(uv: f32) {
	let textureSize = textureDimensions(particleTexIN, 0);
	let texel0: vec2i = vec2i(vec2f(uv, 0.25) * vec2f(textureSize));
	let texel1: vec2i = vec2i(vec2f(uv, 0.75) * vec2f(textureSize));
	let tex: vec4f = textureLoad(particleTexIN, texel0, 0);
	let tex2: vec4f = textureLoad(particleTexIN, texel1, 0);
	inPos = tex.xyz;
	inVel = tex2.xyz;
	inAngle = abs(tex.w) - 1000.0;
	inShow = tex.w >= 0.0;
	inLife = tex2.w;
}
`;

export { particleInputFloatPS as default };