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-"use strict";
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-
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-var engine;
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-var canvas;
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-var currentScene;
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-var config;
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-var justOnce;
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-
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-var threshold = 25;
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-var errorRatio = 2.5;
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-
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-// Overload the random to make it deterministic
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-var seed = 100000,
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- constant = Math.pow(2, 13) + 1,
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- prime = 37,
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- maximum = Math.pow(2, 50);
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-
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-Math.random = function () {
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- seed *= constant;
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- seed += prime;
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- seed %= maximum;
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-
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- return seed / maximum;
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-}
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-
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-function compare(renderData, referenceCanvas) {
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- var width = referenceCanvas.width;
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- var height = referenceCanvas.height;
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- var size = width * height * 4;
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-
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- var referenceContext = referenceCanvas.getContext("2d");
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-
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- var referenceData = referenceContext.getImageData(0, 0, width, height);
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-
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- var differencesCount = 0;
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- for (var index = 0; index < size; index += 4) {
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- if (Math.abs(renderData[index] - referenceData.data[index]) < threshold &&
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- Math.abs(renderData[index + 1] - referenceData.data[index + 1]) < threshold &&
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- Math.abs(renderData[index + 2] - referenceData.data[index + 2]) < threshold) {
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- continue;
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- }
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-
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- referenceData.data[index] = 255;
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- referenceData.data[index + 1] *= 0.5;
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- referenceData.data[index + 2] *= 0.5;
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- differencesCount++;
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- }
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-
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- referenceContext.putImageData(referenceData, 0, 0);
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-
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- return (differencesCount * 100) / (width * height) > errorRatio;
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-}
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-
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-function getRenderData(canvas, engine) {
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- var width = canvas.width;
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- var height = canvas.height;
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-
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- var renderData = engine.readPixels(0, 0, width, height);
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- var numberOfChannelsByLine = width * 4;
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- var halfHeight = height / 2;
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-
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- for (var i = 0; i < halfHeight; i++) {
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- for (var j = 0; j < numberOfChannelsByLine; j++) {
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- var currentCell = j + i * numberOfChannelsByLine;
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- var targetLine = height - i - 1;
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- var targetCell = j + targetLine * numberOfChannelsByLine;
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-
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- var temp = renderData[currentCell];
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- renderData[currentCell] = renderData[targetCell];
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- renderData[targetCell] = temp;
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- }
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- }
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-
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- return renderData;
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-}
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-
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-function saveRenderImage(data, canvas) {
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- var width = canvas.width;
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- var height = canvas.height;
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- var screenshotCanvas = document.createElement('canvas');
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- screenshotCanvas.width = width;
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- screenshotCanvas.height = height;
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- var context = screenshotCanvas.getContext('2d');
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-
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- var imageData = context.createImageData(width, height);
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- var castData = imageData.data;
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- castData.set(data);
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- context.putImageData(imageData, 0, 0);
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-
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- return screenshotCanvas.toDataURL();
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-}
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-
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-function evaluate(test, resultCanvas, result, renderImage, index, waitRing, done) {
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- seed = 100000;
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- var renderData = getRenderData(canvas, engine);
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- var testRes = true;
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-
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- // gl check
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- var gl = engine._gl;
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- if (gl.getError() !== 0) {
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- result.classList.add("failed");
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- result.innerHTML = "×";
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- testRes = false;
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- console.log('%c failed (gl error)', 'color: red');
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- } else {
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-
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- // Visual check
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- if (!test.onlyVisual) {
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- if (compare(renderData, resultCanvas)) {
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- result.classList.add("failed");
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- result.innerHTML = "×";
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- testRes = false;
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- console.log('%c failed', 'color: red');
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- } else {
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- result.innerHTML = "✔";
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- testRes = true;
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- console.log('%c validated', 'color: green');
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- }
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- }
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- }
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- waitRing.classList.add("hidden");
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-
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- var renderB64 = saveRenderImage(renderData, canvas);
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- renderImage.src = renderB64;
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-
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- currentScene.dispose();
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- currentScene = null;
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- engine.setHardwareScalingLevel(1);
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-
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- done(testRes, renderB64);
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-}
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-
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-function processCurrentScene(test, resultCanvas, result, renderImage, index, waitRing, done) {
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- currentScene.executeWhenReady(function () {
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- var renderCount = test.renderCount || 1;
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-
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- currentScene.useConstantAnimationDeltaTime = true;
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- engine.runRenderLoop(function () {
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- try {
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- currentScene.render();
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- renderCount--;
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-
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- if (renderCount === 0) {
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- engine.stopRenderLoop();
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- evaluate(test, resultCanvas, result, renderImage, index, waitRing, done);
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- }
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- }
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- catch (e) {
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- console.error(e);
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- done(false);
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- }
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- });
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-
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- });
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-}
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-
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-function runTest(index, done) {
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- if (index >= config.tests.length) {
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- done(false);
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- }
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-
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- var test = config.tests[index];
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- var container = document.createElement("div");
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- container.id = "container#" + index;
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- container.className = "container";
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- document.body.appendChild(container);
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-
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- var titleContainer = document.createElement("div");
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- titleContainer.className = "containerTitle";
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- container.appendChild(titleContainer);
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-
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- var title = document.createElement("div");
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- title.className = "title";
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- titleContainer.appendChild(title);
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-
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- var result = document.createElement("div");
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- result.className = "result";
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- titleContainer.appendChild(result);
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-
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- var waitRing = document.createElement("img");
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- waitRing.className = "waitRing";
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- titleContainer.appendChild(waitRing);
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- waitRing.src = "loading.gif";
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-
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- var resultCanvas = document.createElement("canvas");
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- resultCanvas.className = "resultImage";
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- container.appendChild(resultCanvas);
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-
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- title.innerHTML = test.title;
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-
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- console.log("Running " + test.title);
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-
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- var resultContext = resultCanvas.getContext("2d");
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- var img = new Image();
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- img.onload = function () {
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- resultCanvas.width = img.width;
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- resultCanvas.height = img.height;
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- resultContext.drawImage(img, 0, 0);
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- }
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-
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- img.src = "ReferenceImages/" + test.referenceImage;
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-
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- var renderImage = new Image();
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- renderImage.className = "renderImage";
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- container.appendChild(renderImage);
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-
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- location.href = "#" + container.id;
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-
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- if (test.sceneFolder) {
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- BABYLON.SceneLoader.Load(config.root + test.sceneFolder, test.sceneFilename, engine, function (newScene) {
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- currentScene = newScene;
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- processCurrentScene(test, resultCanvas, result, renderImage, index, waitRing, done);
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- },
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- null,
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- function (loadedScene, msg) {
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- console.error(msg);
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- done(false);
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- });
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- }
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- else if (test.playgroundId) {
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- if (test.playgroundId[0] !== "#" || test.playgroundId.indexOf("#", 1) === -1) {
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- console.error("Invalid playground id");
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- done(false);
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- return;
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- }
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-
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- var snippetUrl = "//babylonjs-api2.azurewebsites.net/snippets";
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- var pgRoot = "https://playground.babylonjs.com"
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- var xmlHttp = new XMLHttpRequest();
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- xmlHttp.onreadystatechange = function () {
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- if (xmlHttp.readyState === 4) {
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- try {
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- xmlHttp.onreadystatechange = null;
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- var snippet = JSON.parse(xmlHttp.responseText)[0];
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- var code = JSON.parse(snippet.jsonPayload).code.toString();
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- code = code.replace(/\/textures\//g, pgRoot + "/textures/");
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- code = code.replace(/"textures\//g, "\"" + pgRoot + "/textures/");
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- code = code.replace(/\/scenes\//g, pgRoot + "/scenes/");
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- code = code.replace(/"scenes\//g, "\"" + pgRoot + "/scenes/");
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- currentScene = eval(code + "\r\ncreateScene(engine)");
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- processCurrentScene(test, resultCanvas, result, renderImage, index, waitRing, done);
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- }
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- catch (e) {
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- console.error(e);
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- done(false);
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- }
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- }
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- }
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- xmlHttp.onerror = function () {
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- console.error("Network error during test load.");
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- done(false);
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- }
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-
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- xmlHttp.open("GET", snippetUrl + test.playgroundId.replace(/#/g, "/"));
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- xmlHttp.send();
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- } else {
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- // Fix references
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- if (test.specificRoot) {
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- BABYLON.Tools.BaseUrl = config.root + test.specificRoot;
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- }
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-
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- var request = new XMLHttpRequest();
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- request.open('GET', config.root + test.scriptToRun, true);
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-
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- request.onreadystatechange = () => {
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- if (request.readyState === 4) {
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- try {
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- request.onreadystatechange = null;
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-
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- var scriptToRun = request.responseText.replace(/..\/..\/assets\//g, config.root + "/Assets/");
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- scriptToRun = scriptToRun.replace(/..\/..\/Assets\//g, config.root + "/Assets/");
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- scriptToRun = scriptToRun.replace(/\/assets\//g, config.root + "/Assets/");
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- scriptToRun = scriptToRun.replace(/\/Assets\//g, config.root + "/Assets/");
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-
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- if (test.replace) {
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- var split = test.replace.split(",");
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- for (var i = 0; i < split.length; i += 2) {
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- var source = split[i].trim();
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- var destination = split[i + 1].trim();
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- scriptToRun = scriptToRun.replace(source, destination);
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- }
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- }
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-
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- if (test.replaceUrl) {
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- var split = test.replaceUrl.split(",");
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- for (var i = 0; i < split.length; i++) {
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- var source = split[i].trim();
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- var regex = new RegExp(source, "g");
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- scriptToRun = scriptToRun.replace(regex, config.root + test.rootPath + source);
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- }
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- }
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-
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- currentScene = eval(scriptToRun + test.functionToCall + "(engine)");
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- processCurrentScene(test, resultCanvas, result, renderImage, index, waitRing, done);
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- }
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- catch (e) {
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- console.error(e);
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- done(false);
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- }
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- }
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- };
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- request.onerror = function () {
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- console.error("Network error during test load.");
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- done(false);
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- }
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-
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- request.send(null);
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-
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- }
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-}
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-
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-function init() {
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- BABYLON.SceneLoader.ShowLoadingScreen = false;
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- BABYLON.SceneLoader.ForceFullSceneLoadingForIncremental = true;
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-
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- // Draco configuration
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- BABYLON.DracoCompression.Configuration.decoder = {
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- wasmUrl: "../../dist/preview%20release/draco_wasm_wrapper_gltf.js",
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- wasmBinaryUrl: "../../dist/preview%20release/draco_decoder_gltf.wasm",
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- fallbackUrl: "../../dist/preview%20release/draco_decoder_gltf.js"
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- };
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-
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- canvas = document.createElement("canvas");
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- canvas.className = "renderCanvas";
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- document.body.appendChild(canvas);
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- engine = new BABYLON.Engine(canvas, false);
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- engine.enableOfflineSupport = false;
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- engine.setDitheringState(false);
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-}
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-
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-function dispose() {
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- engine.dispose();
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- currentScene = null;
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- engine = null;
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- document.body.removeChild(canvas);
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- canvas = null;
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-}
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-
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-init();
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David Catuhe