mirror of
https://github.com/ninjamuffin99/Funkin.git
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70 lines
1.3 KiB
Haxe
70 lines
1.3 KiB
Haxe
package funkin.shaderslmfao;
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import flixel.math.FlxPoint;
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import flixel.system.FlxAssets.FlxShader;
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@:keep
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class OverlayBlend extends FlxShader
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{
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// these r copypaste
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public var funnyX(default, set):Float = 0;
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public var funnyY(default, set):Float = 0;
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function set_funnyX(x:Float):Float
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{
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xPos.value[0] = x;
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return x;
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}
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function set_funnyY(y:Float):Float
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{
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yPos.value[0] = y;
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return y;
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}
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@:glFragmentSource('
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#pragma header
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uniform float alphaShit;
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uniform float yPos;
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uniform float xPos;
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uniform sampler2D funnyShit;
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vec4 blendOverlay(vec4 base, vec4 blend)
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{
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vec4 mixed = mix(1.0 - 2.0 * (1.0 - base) * (1.0 - blend), 2.0 * base * blend, step(base, vec4(0.5)));
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// mixed = mix(mixed, blend, base.a); // proper alpha mixing?
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return mixed;
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}
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void main()
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{
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vec2 funnyUv = openfl_TextureCoordv;
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vec4 color = flixel_texture2D(bitmap, funnyUv);
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vec2 reallyFunnyUv = vec2(vec2(0.0, 0.0) - gl_FragCoord.xy / openfl_TextureSize.xy);
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vec4 gf = flixel_texture2D(funnyShit, openfl_TextureCoordv.xy + vec2(0.1, 0.2));
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vec4 mixedCol = blendOverlay(color, gf);
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gl_FragColor = mixedCol;
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}
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')
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public function new()
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{
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super();
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xPos.value = [0];
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yPos.value = [0];
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}
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}
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