MonkeyGG2
17 lines
587 B
GLSL
17 lines
587 B
GLSL
// Specific tint variant, similar to the Flash tinting that adds to the color and not multiplies
|
|
// Note: A negative of a color must be supplied for this shader to work properly, ie. set sprite.tint to 0 to turn
|
|
// whole sprite to white.
|
|
precision lowp float;
|
|
|
|
varying vec2 vTextureCoord;
|
|
varying vec4 vColor;
|
|
|
|
uniform sampler2D uSampler;
|
|
|
|
void main(void) {
|
|
vec4 f = texture2D(uSampler, vTextureCoord);
|
|
float a = clamp(vColor.a, 0.00001, 1.0);
|
|
gl_FragColor.rgb = f.rgb * vColor.a + clamp(1.0 - vColor.rgb/a, 0.0, 1.0) * vColor.a * f.a;
|
|
gl_FragColor.a = f.a * vColor.a;
|
|
}
|