87 lines
3.6 KiB
JavaScript
87 lines
3.6 KiB
JavaScript
(function (Kotlin) {
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'use strict';
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var _ = Kotlin.defineRootPackage(null, /** @lends _ */ {
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HTMLElements: Kotlin.createClass(null, function () {
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var tmp$0, tmp$1, tmp$2, tmp$3;
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this.windowWidth = window.innerWidth | 0;
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this.windowHeight = window.innerHeight | 0;
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this.container = Kotlin.isType(tmp$0 = document.createElement('div'), HTMLElement) ? tmp$0 : Kotlin.throwCCE();
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this.canvas = Kotlin.isType(tmp$1 = document.createElement('canvas'), HTMLCanvasElement) ? tmp$1 : Kotlin.throwCCE();
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this.container.setAttribute('style', 'position: relative;');
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this.canvas.setAttribute('style', 'position: absolute; left: 0px; top: 0px; z-index: 10; width: 2000px; height: 1000px;');
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((tmp$2 = document.body) != null ? tmp$2 : Kotlin.throwNPE()).appendChild(this.container);
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this.container.appendChild(this.canvas);
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this.canvas2d = Kotlin.isType(tmp$3 = this.canvas.getContext('2d'), CanvasRenderingContext2D) ? tmp$3 : Kotlin.throwCCE();
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}, /** @lends _.HTMLElements.prototype */ {
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resize: function () {
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this.windowWidth = window.innerWidth | 0;
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this.windowHeight = window.innerHeight | 0;
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this.canvas.setAttribute('width', this.windowWidth.toString() + 'px');
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this.canvas.setAttribute('height', this.windowHeight.toString() + 'px');
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this.canvas.setAttribute('style', 'position: absolute; left: 0px; top: 0px; z-index: 5; width: ' + this.windowWidth + 'px; height: ' + this.windowHeight + 'px;');
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},
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getColor_14dthe$: function (mu) {
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var clr1 = mu | 0;
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var t2 = mu - clr1;
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var t1 = 1 - t2;
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clr1 = clr1 % 768;
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},
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drawMandel: function () {
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var tmp$0, tmp$1;
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var xs;
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var ys;
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var xx;
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var yy;
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var xt;
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var iteration;
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var max_iteration = 767;
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var halfWindowHeight = this.windowHeight / 2 | 0;
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var red;
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var green;
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var blue;
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var fillStyle;
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var mu;
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Kotlin.println('Window width: ' + this.windowWidth + ', height: ' + this.windowHeight + ', half: ' + halfWindowHeight);
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tmp$0 = this.windowWidth;
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for (var x = 0; x <= tmp$0; x++) {
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tmp$1 = halfWindowHeight;
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for (var y = 0; y <= tmp$1; y++) {
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xs = 4.0 / this.windowWidth * x - 2.0;
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ys = 2.0 - 2.0 / halfWindowHeight * y;
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xx = 0.0;
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yy = 0.0;
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iteration = 0;
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while (xx * xx + yy * yy < 4 && iteration < max_iteration) {
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xt = xx * xx - yy * yy + xs;
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yy = 2 * xx * yy + ys;
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xx = xt;
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iteration++;
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}
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if (iteration === max_iteration) {
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fillStyle = 'rgb(0, 0, 0)';
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}
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else {
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mu = iteration + 1 - Math.log(Math.log(xx * xx + yy * yy)) / Math.log(2.0);
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iteration = iteration * 13 % 768;
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red = Math.min(iteration, 255);
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green = Math.max(0, Math.min(iteration, 511) - 256);
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blue = Math.max(0, Math.min(iteration, 767) - 512);
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fillStyle = 'rgb(' + red + ', ' + green + ', ' + blue + ')';
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}
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this.canvas2d.fillStyle = fillStyle;
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this.canvas2d.fillRect(x, y, 1.0, 1.0);
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this.canvas2d.fillRect(x, this.windowHeight - y, 1.0, 1.0);
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}
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}
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}
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}),
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main_kand9s$: function (args) {
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var html = new _.HTMLElements();
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html.resize();
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html.drawMandel();
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}
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});
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Kotlin.defineModule('mandelbrot', _);
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_.main_kand9s$([]);
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}(Kotlin));
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