grakopro/cw_8/shaders/part.frag

#version 430 core
in vec2 TexCoords;
in vec4 ParticleColor;
out vec4 FragColor;

uniform sampler2D sprite;

void main()
{
    if(ParticleColor.w > 0){
        FragColor = (texture(sprite, TexCoords) * ParticleColor);
    }else{
        FragColor = texture(sprite, TexCoords);
    }
}