@animech-public/playcanvas

Version:
PlayCanvas WebGL game engine
34 lines (32 loc) • 967 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);
}
#ifndef UNPACKFLOAT
#define UNPACKFLOAT
float unpackFloat(vec4 rgbaDepth) {
	const vec4 bitShift = vec4(1.0 / (256.0 * 256.0 * 256.0), 1.0 / (256.0 * 256.0), 1.0 / 256.0, 1.0);
	float depth = dot(rgbaDepth, bitShift);
	return depth;
}
#endif
void main(void) {
	vec4 tex  = gammaCorrectInput(texture2D(colorMap, vec2(texCoordsAlphaLife.x, 1.0 - texCoordsAlphaLife.y)));
	vec4 ramp = gammaCorrectInput(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 };