111 lines
5.4 KiB
JavaScript
111 lines
5.4 KiB
JavaScript
function drawPixels(forceTick=false) {
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// newCurrentPixels = shuffled currentPixels
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var newCurrentPixels = currentPixels.slice();
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var pixelsFirst = [];
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var pixelsLast = [];
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if (!paused || forceTick) {
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shuffleArray(newCurrentPixels);
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}
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/*{newCurrentPixels.sort(function(p) { // shuffle the pixels but keep elements[p.element].isGas last
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return 0.5 - Math.random();
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})} // shuffle the pixels if not paused*/
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for (var i = 0; i < newCurrentPixels.length; i++) {
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pixel = newCurrentPixels[i];
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//if (pixelMap[pixel.x][pixel.y] == undefined || currentPixels.indexOf(pixel) == -1) {continue}
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if (pixel.del) {continue}
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if (!paused || forceTick) {
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if (elements[pixel.element].tick) { // Run tick function if it exists
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elements[pixel.element].tick(pixel);
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}
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if (pixel.del) {continue}
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if (elements[pixel.element].behavior) { // Parse behavior if it exists
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pixelTick(pixel);
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}
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};
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if (elements[pixel.element].isGas) {
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pixelsLast.push(pixel);
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}
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else {
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pixelsFirst.push(pixel);
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}
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}
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adjacentCoords = [
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[0,1],
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[0,-1],
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[1,0],
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[-1,0]
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];
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biCoords = [
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[0,1],
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[1,0]
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];
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// Draw the current pixels
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var canvas = document.getElementById("game");
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var ctx = canvas.getContext("2d");
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var pixelDrawList = pixelsFirst.concat(pixelsLast);
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for (var i = 0; i < pixelDrawList.length; i++) {
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pixel = pixelDrawList[i];
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if (pixelMap[pixel.x][pixel.y] == undefined) {continue}
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if (view===null || view===3) {
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ctx.fillStyle = pixel.color;
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}
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else if (view === 2) { // thermal view
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// set the color to pixel.temp, from hottest at 0 hue to coldest 225 hue, with the minimum being -273, max being 6000
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var temp = pixel.temp;
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if (temp < -273) {temp = -273}
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if (temp > 6000) {temp = 6000}
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var hue = 225 - (temp/6000)*225;
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if (hue < 0) {hue = 0}
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if (hue > 225) {hue = 225}
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ctx.fillStyle = "hsl("+hue+",100%,50%)";
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}
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else if (view === 4) { // smooth view, average of surrounding pixels
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var colorlist = [];
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// check adjacent coords on the pixelMap, add the color to the list if the pixel is not empty and the color indexOf "rgb" is not -1
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for (var j = 0; j < biCoords.length; j++) {
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var x = pixel.x + biCoords[j][0];
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var y = pixel.y + biCoords[j][1];
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if (isEmpty(x,y,true) || elements[pixelMap[x][y].element].state !== elements[pixel.element].state) {continue}
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var color = pixelMap[x][y].color;
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if (color.indexOf("rgb") !== -1) {
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colorlist.push(color.match(/\d+/g));
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}
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}
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if (colorlist.length === 0) {
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ctx.fillStyle = pixel.color;
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}
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else {
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ctx.fillStyle = averageRGB(colorlist);
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}
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}
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if ((view === null || view === 4) && elements[pixel.element].state === "gas") {
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ctx.globalAlpha = 0.66;
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ctx.beginPath();
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ctx.arc((pixel.x+0.5)*pixelSize, (pixel.y+0.5)*pixelSize, pixelSize*1.5, 0, 2 * Math.PI, false);
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ctx.fill();
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ctx.globalAlpha = 1;
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}
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else { // draw the pixel (default)
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ctx.beginPath();
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ctx.arc((pixel.x+0.5)*pixelSize, (pixel.y+0.5)*pixelSize, pixelSize/2, 0, 2 * Math.PI, false);
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ctx.fill();
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}
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if (pixel.charge && view !== 2) { // Yellow glow on charge
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if (!elements[pixel.element].colorOn) {
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if ((view === null || view === 4) && elements[pixel.element].state === "gas") {
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ctx.fillStyle = "rgba(255,255,0,0.5)";
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ctx.beginPath();
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ctx.arc((pixel.x+0.5)*pixelSize, (pixel.y+0.5)*pixelSize, pixelSize*1.5, 0, 2 * Math.PI, false);
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ctx.fill();
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} else {
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ctx.fillStyle = "rgba(255,255,0,0.5)";
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ctx.beginPath();
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ctx.arc((pixel.x+0.5)*pixelSize, (pixel.y+0.5)*pixelSize, pixelSize/2, 0, 2 * Math.PI, false);
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ctx.fill();
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}
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}
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}
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}
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if ((!paused) || forceTick) {pixelTicks++};
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}
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