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Rebuilt on top of REGL.
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Rezmason
307
js/config.js
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307
js/config.js
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const fonts = {
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coptic: {
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glyphTexURL: "coptic_msdf.png",
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glyphSequenceLength: 32,
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numFontColumns: 8
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},
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gothic: {
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glyphTexURL: "gothic_msdf.png",
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glyphSequenceLength: 27,
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numFontColumns: 8
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},
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matrixcode: {
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glyphTexURL: "matrixcode_msdf.png",
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glyphSequenceLength: 57,
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numFontColumns: 8
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}
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};
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const versions = {
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paradise: {
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...fonts.coptic,
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bloomRadius: 1.15,
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bloomStrength: 1.75,
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highPassThreshold: 0,
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cycleSpeed: 0.05,
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cycleStyleName: "cycleFasterWhenDimmed",
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cursorEffectThreshold: 1,
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brightnessOffset: 0.0,
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brightnessMultiplier: 1.0,
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fallSpeed: 0.05,
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glyphEdgeCrop: 0.0,
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glyphHeightToWidth: 1,
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hasSun: true,
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hasThunder: false,
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isPolar: true,
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rippleTypeName: "circle",
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rippleThickness: 0.2,
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rippleScale: 30,
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rippleSpeed: 0.2,
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numColumns: 30,
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palette: [
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{ rgb: [0.0, 0.0, 0.0], at: 0.0 },
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{ rgb: [0.52, 0.17, 0.05], at: 0.4 },
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{ rgb: [0.82, 0.37, 0.12], at: 0.7 },
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{ rgb: [1.0, 0.74, 0.29], at: 0.9 },
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{ rgb: [1.0, 0.9, 0.8], at: 1.0 }
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],
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raindropLength: 0.5,
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slant: 0
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},
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nightmare: {
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...fonts.gothic,
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bloomRadius: 0.8,
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bloomStrength: 1,
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highPassThreshold: 0.5,
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cycleSpeed: 0.02,
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cycleStyleName: "cycleFasterWhenDimmed",
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cursorEffectThreshold: 1,
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brightnessOffset: 0.0,
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brightnessMultiplier: 1.0,
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fallSpeed: 2.0,
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glyphEdgeCrop: 0.0,
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glyphHeightToWidth: 1,
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hasSun: false,
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hasThunder: true,
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isPolar: false,
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rippleTypeName: null,
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rippleThickness: 0.2,
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rippleScale: 30,
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rippleSpeed: 0.2,
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numColumns: 60,
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palette: [
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{ rgb: [0.0, 0.0, 0.0], at: 0.0 },
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{ rgb: [0.52, 0.0, 0.0], at: 0.2 },
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{ rgb: [0.82, 0.05, 0.05], at: 0.4 },
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{ rgb: [1.0, 0.6, 0.3], at: 0.8 },
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{ rgb: [1.0, 1.0, 0.9], at: 1.0 }
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],
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raindropLength: 0.6,
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slant: 360 / 16
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},
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classic: {
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...fonts.matrixcode,
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bloomRadius: 0.5,
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bloomStrength: 1,
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highPassThreshold: 0.3,
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cycleSpeed: 1,
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cycleStyleName: "cycleFasterWhenDimmed",
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cursorEffectThreshold: 1,
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brightnessOffset: 0.0,
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brightnessMultiplier: 1.0,
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fallSpeed: 1,
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glyphEdgeCrop: 0.0,
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glyphHeightToWidth: 1,
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hasSun: false,
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hasThunder: false,
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isPolar: false,
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rippleTypeName: null,
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rippleThickness: 0.2,
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rippleScale: 30,
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rippleSpeed: 0.2,
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numColumns: 80,
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palette: [
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{ rgb: [0 / 255, 0 / 255, 0 / 255], at: 0 / 16 },
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{ rgb: [6 / 255, 16 / 255, 8 / 255], at: 1 / 16 },
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{ rgb: [11 / 255, 28 / 255, 15 / 255], at: 2 / 16 },
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{ rgb: [17 / 255, 41 / 255, 23 / 255], at: 3 / 16 },
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{ rgb: [20 / 255, 58 / 255, 31 / 255], at: 4 / 16 },
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{ rgb: [23 / 255, 84 / 255, 39 / 255], at: 5 / 16 },
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{ rgb: [30 / 255, 113 / 255, 48 / 255], at: 6 / 16 },
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{ rgb: [43 / 255, 142 / 255, 60 / 255], at: 7 / 16 },
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{ rgb: [57 / 255, 160 / 255, 72 / 255], at: 8 / 16 },
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{ rgb: [70 / 255, 175 / 255, 81 / 255], at: 9 / 16 },
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{ rgb: [75 / 255, 187 / 255, 85 / 255], at: 10 / 16 },
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{ rgb: [78 / 255, 196 / 255, 91 / 255], at: 11 / 16 },
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{ rgb: [83 / 255, 203 / 255, 102 / 255], at: 12 / 16 },
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{ rgb: [92 / 255, 212 / 255, 114 / 255], at: 13 / 16 },
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{ rgb: [109 / 255, 223 / 255, 130 / 255], at: 14 / 16 },
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{ rgb: [129 / 255, 232 / 255, 148 / 255], at: 15 / 16 },
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{ rgb: [140 / 255, 235 / 255, 157 / 255], at: 16 / 16 }
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],
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raindropLength: 1,
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slant: 0
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},
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operator: {
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...fonts.matrixcode,
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bloomRadius: 0.3,
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bloomStrength: 0.75,
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highPassThreshold: 0.0,
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cycleSpeed: 0.05,
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cycleStyleName: "cycleRandomly",
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cursorEffectThreshold: 0.466,
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brightnessOffset: 0.25,
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brightnessMultiplier: 0.0,
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fallSpeed: 0.6,
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glyphEdgeCrop: 0.15,
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glyphHeightToWidth: 1.35,
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hasSun: false,
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hasThunder: false,
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isPolar: false,
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rippleTypeName: "box",
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rippleThickness: 0.2,
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rippleScale: 30,
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rippleSpeed: 0.2,
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numColumns: 108,
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palette: [
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{ rgb: [0.0, 0.0, 0.0], at: 0.0 },
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{ rgb: [0.18, 0.9, 0.35], at: 0.6 },
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{ rgb: [0.9, 1.0, 0.9], at: 1.0 }
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],
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raindropLength: 1.5,
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slant: 0
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}
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};
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versions.throwback = versions.operator;
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versions["1999"] = versions.classic;
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export default (searchString, makePaletteTexture) => {
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const urlParams = new URLSearchParams(searchString);
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const getParam = (keyOrKeys, defaultValue) => {
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if (Array.isArray(keyOrKeys)) {
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const keys = keyOrKeys;
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const key = keys.find(key => urlParams.has(key));
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return key != null ? urlParams.get(key) : defaultValue;
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} else {
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const key = keyOrKeys;
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return urlParams.has(key) ? urlParams.get(key) : defaultValue;
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}
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};
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const versionName = getParam("version", "classic");
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const version =
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versions[versionName] == null ? versions.classic : versions[versionName];
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const config = { ...version };
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config.animationSpeed = parseFloat(getParam("animationSpeed", 1));
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config.fallSpeed *= parseFloat(getParam("fallSpeed", 1));
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config.cycleSpeed *= parseFloat(getParam("cycleSpeed", 1));
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config.numColumns = parseInt(getParam("width", config.numColumns));
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config.raindropLength = parseFloat(
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getParam(["raindropLength", "dropLength"], config.raindropLength)
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);
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config.glyphSequenceLength = config.glyphSequenceLength;
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config.slant =
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(parseFloat(getParam(["slant", "angle"], config.slant)) * Math.PI) / 180;
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config.slantVec = [Math.cos(config.slant), Math.sin(config.slant)];
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config.slantScale =
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1 / (Math.abs(Math.sin(2 * config.slant)) * (Math.sqrt(2) - 1) + 1);
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config.glyphEdgeCrop = parseFloat(getParam("encroach", config.glyphEdgeCrop));
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config.glyphHeightToWidth = parseFloat(
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getParam("stretch", config.glyphHeightToWidth)
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);
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config.cursorEffectThreshold = getParam(
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"cursorEffectThreshold",
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config.cursorEffectThreshold
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);
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config.bloomSize = Math.max(
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0.01,
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Math.min(1, parseFloat(getParam("bloomSize", 0.5)))
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);
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config.effect = getParam("effect", "plain");
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config.brightnessChangeBias =
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config.animationSpeed * config.fallSpeed == 0
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? 1
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: Math.min(1, Math.abs(config.animationSpeed * config.fallSpeed));
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config.backgroundImage = getParam(
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"url",
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"https://upload.wikimedia.org/wikipedia/commons/0/0a/Flammarion_Colored.jpg"
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);
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config.customStripes = getParam(
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"colors",
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"0.4,0.15,0.1,0.4,0.15,0.1,0.8,0.8,0.6,0.8,0.8,0.6,1.0,0.7,0.8,1.0,0.7,0.8,"
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)
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.split(",")
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.map(parseFloat);
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config.showComputationTexture = config.effect === "none";
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switch (config.cycleStyleName) {
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case "cycleFasterWhenDimmed":
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config.cycleStyle = 0;
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break;
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case "cycleRandomly":
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default:
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config.cycleStyle = 1;
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break;
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}
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switch (config.rippleTypeName) {
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case "box":
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config.rippleType = 0;
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break;
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case "circle":
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config.rippleType = 1;
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break;
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default:
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config.rippleType = -1;
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}
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const PALETTE_SIZE = 2048;
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const paletteColors = Array(PALETTE_SIZE);
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const sortedEntries = version.palette
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.slice()
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.sort((e1, e2) => e1.at - e2.at)
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.map(entry => ({
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rgb: entry.rgb,
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arrayIndex: Math.floor(
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Math.max(Math.min(1, entry.at), 0) * (PALETTE_SIZE - 1)
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)
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}));
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sortedEntries.unshift({ rgb: sortedEntries[0].rgb, arrayIndex: 0 });
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sortedEntries.push({
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rgb: sortedEntries[sortedEntries.length - 1].rgb,
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arrayIndex: PALETTE_SIZE - 1
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});
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sortedEntries.forEach((entry, index) => {
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paletteColors[entry.arrayIndex] = entry.rgb.slice();
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if (index + 1 < sortedEntries.length) {
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const nextEntry = sortedEntries[index + 1];
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const diff = nextEntry.arrayIndex - entry.arrayIndex;
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for (let i = 0; i < diff; i++) {
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const ratio = i / diff;
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paletteColors[entry.arrayIndex + i] = [
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entry.rgb[0] * (1 - ratio) + nextEntry.rgb[0] * ratio,
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entry.rgb[1] * (1 - ratio) + nextEntry.rgb[1] * ratio,
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entry.rgb[2] * (1 - ratio) + nextEntry.rgb[2] * ratio
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];
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}
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}
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});
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config.paletteColorData = makePaletteTexture(
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paletteColors.flat().map(i => i * 0xff)
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);
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let stripeColors = [0, 0, 0];
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if (config.effect === "pride") {
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config.effect = "stripes";
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config.customStripes = [
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[1, 0, 0],
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[1, 0.5, 0],
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[1, 1, 0],
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[0, 1, 0],
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[0, 0, 1],
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[0.8, 0, 1]
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].flat();
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}
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if (config.effect === "customStripes" || config.effect === "stripes") {
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const numFlagColors = Math.floor(config.customStripes.length / 3);
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stripeColors = config.customStripes.slice(0, numFlagColors * 3);
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}
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config.stripeColorData = makePaletteTexture(
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stripeColors.map(f => Math.floor(f * 0xff))
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);
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const uniforms = Object.fromEntries(
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Object.entries(config).filter(([key, value]) => {
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const type = typeof (Array.isArray(value) ? value[0] : value);
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return type !== "string" && type !== "object";
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})
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);
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return [config, uniforms];
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};
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