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65 lines
1.7 KiB
Haxe
65 lines
1.7 KiB
Haxe
package funkin.shaderslmfao;
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import flixel.system.FlxAssets.FlxShader;
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import flixel.util.FlxColor;
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class StrokeShader extends FlxShader
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{
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// MOSTLY STOLEN FROM AUSTIN EAST LOL!
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// https://gist.github.com/AustinEast/d3892fdf6a6079366fffde071f0c2bae
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public var width(default, set):Float = 0;
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public var height(default, set):Float = 0;
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public var col(default, set):FlxColor = 0xFFFFFFFF;
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function set_width(val):Float
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{
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size.value = [val, height];
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return val;
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}
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function set_height(val):Float
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{
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size.value = [width, val];
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return val;
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}
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function set_col(val:FlxColor):FlxColor
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{
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color.value = [val.red, val.green, val.blue, val.alpha];
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return val;
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}
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@:glFragmentSource('
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#pragma header
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uniform vec2 size;
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uniform vec4 color;
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void main()
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{
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vec4 sample = flixel_texture2D(bitmap, openfl_TextureCoordv);
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if (sample.a == 0.) {
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float w = size.x / openfl_TextureSize.x;
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float h = size.y / openfl_TextureSize.y;
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if (flixel_texture2D(bitmap, vec2(openfl_TextureCoordv.x + w, openfl_TextureCoordv.y)).a != 0.
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|| flixel_texture2D(bitmap, vec2(openfl_TextureCoordv.x - w, openfl_TextureCoordv.y)).a != 0.
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|| flixel_texture2D(bitmap, vec2(openfl_TextureCoordv.x, openfl_TextureCoordv.y + h)).a != 0.
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|| flixel_texture2D(bitmap, vec2(openfl_TextureCoordv.x, openfl_TextureCoordv.y - h)).a != 0.)
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sample = color;
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}
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gl_FragColor = sample;
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}
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')
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public function new(color:FlxColor = 0xFFFFFFFF, width:Float = 1, height:Float = 1)
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{
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super();
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col = color;
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this.width = width;
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this.height = height;
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}
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}
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