34 lines
666 B
Haxe
34 lines
666 B
Haxe
package;
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import flixel.system.FlxAssets.FlxShader;
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class OverlayShader extends FlxShader
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{
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@:glFragmentSource('
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#pragma header
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uniform vec4 uBlendColor;
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vec3 blendLighten(base:Vec3, blend:Vec3) : Vec3 {
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return mix(
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1.0 - 2.0 * (1.0 - base) * (1.0 - blend),
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2.0 * base * blend,
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step( base, vec3(0.5) )
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);
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}
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vec4 blendLighten(vec4 base, vec4 blend, float opacity)
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{
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return (blendLighten(base, blend) * opacity + base * (1.0 - opacity));
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}
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void main()
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{
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vec4 base = texture2D(bitmap, openfl_TextureCoordv);
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gl_FragColor = blendLighten(base, uBlendColor, uBlendColor.a);
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}')
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public function new()
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{
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super();
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}
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}
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