playcanvas

Version:

PlayCanvas WebGL game engine

26 lines (24 loc) • 689 B

JavaScript

var particlePS = `
varying vec4 texCoordsAlphaLife;
uniform sampler2D colorMap;
uniform sampler2D colorParam;
uniform float graphSampleSize;
uniform float graphNumSamples;
#ifndef CAMERAPLANES
	#define CAMERAPLANES
	uniform vec4 camera_params;
#endif
uniform float softening;
uniform float colorMult;
float saturate(float x) {
	return clamp(x, 0.0, 1.0);
}
void main(void) {
	vec4 tex  = texture2D(colorMap, vec2(texCoordsAlphaLife.x, 1.0 - texCoordsAlphaLife.y));
	vec4 ramp = texture2D(colorParam, vec2(texCoordsAlphaLife.w, 0.0));
	ramp.rgb *= colorMult;
	ramp.a += texCoordsAlphaLife.z;
	vec3 rgb = tex.rgb * ramp.rgb;
	float a  = tex.a * ramp.a;
`;

export { particlePS as default };