mirror of
https://github.com/FunkinCrew/Funkin.git
synced 2024-12-13 01:31:49 -05:00
71 lines
2.1 KiB
Haxe
71 lines
2.1 KiB
Haxe
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package funkin.ui.transition.preload;
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import flixel.tweens.FlxEase;
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import flixel.tweens.FlxTween;
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import openfl.display.GraphicsShader;
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class VFDOverlay extends GraphicsShader
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{
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public var elapsedTime(default, set):Float = 0;
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function set_elapsedTime(value:Float):Float
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{
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u_time.value = [value];
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return value;
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}
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@:glFragmentSource('#pragma header
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const vec2 s = vec2(1, 1.7320508);
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uniform float u_time;
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float rand(float co) { return fract(sin(co*(91.3458)) * 47453.5453); }
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float rand(vec2 co){ return fract(sin(dot(co.xy ,vec2(12.9898,78.233))) * 43758.5453); }
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void main(void) {
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vec4 col = texture2D (bitmap, openfl_TextureCoordv);
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vec2 game_res = vec2(1280.0, 720.0);
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const float tileAmount = 10.;
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vec2 uv = (2. * openfl_TextureCoordv.xy * -1.);
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uv *= 50.;
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vec4 hexCenter = floor(vec4(uv, uv - vec2(0.5, 1.0)) / s.xyxy) + 0.5;
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vec4 offset = vec4(uv - hexCenter.xy * s, uv - (hexCenter.zw + 0.5) * s) + 0.0;
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vec4 hexInfo = dot(offset.xy, offset.xy) < dot(offset.zw, offset.zw) ? vec4(offset.xy, hexCenter.xy) : vec4(offset.zw, hexCenter.zw);
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// Distance to the nearest edge of a hexagon
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vec2 p = abs(hexInfo.xy) ;
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float edgeDist = max(dot(p, normalize(vec2(1.0, sqrt(3.0)))), p.x);
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float edgeWidth = 0.05 * tileAmount; // Adjust edge width based on tile amount
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float edgeSharpness = 0.011 * tileAmount;
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float outline = smoothstep(edgeWidth - edgeSharpness, edgeWidth, edgeDist);
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float color_mix = mix(0.0, 0.3, outline); // Mix black outline with white fill
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float flicker = (sin(u_time) * 0.05) + 1.0;
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float sinshit = smoothstep(-3.0, 1.0, sin(uv.y * 3.));
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col = vec4(vec3(0.0), color_mix);
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col = mix(col, vec4(0., 0., 0., sinshit), 0.5 * flicker);
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float specs = rand(uv.xy);
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vec4 noise = vec4(0., 0., 0., specs);
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col = mix(col, noise, 0.1);
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gl_FragColor = col;
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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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this.elapsedTime = 0;
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}
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public function update(elapsed:Float):Void
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{
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this.elapsedTime += elapsed;
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}
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}
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