2021-08-06 01:51:58 +00:00
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<template>
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<div>
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2021-08-06 04:00:21 +00:00
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<t-card>
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2021-08-06 01:51:58 +00:00
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<canvas
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:ref="canvasName"
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:id="canvasName"
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:class="canvasName"
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2021-08-06 04:00:21 +00:00
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:width="blocksWidthHeight.w"
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:height="blocksWidthHeight.h"
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2021-08-06 01:51:58 +00:00
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/>
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2021-08-06 04:00:21 +00:00
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</t-card>
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2021-08-06 01:51:58 +00:00
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</div>
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</template>
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<script>
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2021-08-06 05:12:37 +00:00
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import { mircColours99, blockWidth, blockHeight, cyrb53 } from "../../ascii";
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2021-08-06 01:51:58 +00:00
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export default {
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name: "BrushCanvas",
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mounted() {
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this.ctx = this.$refs[this.canvasName].getContext("2d");
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this.delayRedrawCanvas();
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},
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props: {
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blocks: {
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type: [Array, Boolean],
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required: false,
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default: false,
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},
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},
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data: () => ({
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ctx: null,
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redraw: true,
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}),
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computed: {
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currentAscii() {
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return this.$store.getters.currentAscii;
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},
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toolbarState() {
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return this.$store.getters.toolbarState;
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},
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isTargettingBg() {
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return this.$store.getters.isTargettingBg;
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},
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isTargettingFg() {
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return this.$store.getters.isTargettingFg;
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},
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isTargettingChar() {
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return this.$store.getters.isTargettingChar;
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},
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currentFg() {
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return this.$store.getters.currentFg;
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},
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currentBg() {
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return this.$store.getters.currentBg;
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},
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currentChar() {
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return this.$store.getters.currentChar;
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},
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brushSizeHeight() {
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return this.$store.getters.brushSizeHeight;
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},
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brushSizeWidth() {
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return this.$store.getters.brushSizeWidth;
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},
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brushSizeType() {
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return this.$store.getters.brushSizeType;
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},
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options() {
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return this.$store.getters.options;
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},
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canvasKey() {
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return this.$store.getters.canvasKey + Math.round(Math.random()*1000);
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},
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canvasName() {
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2021-08-06 05:12:37 +00:00
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let hash = cyrb53(JSON.stringify(this.getBlocks))
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return `${hash}-brush-canvas`;
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2021-08-06 01:51:58 +00:00
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},
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getBlocks() {
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return this.blocks === false
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? this.$store.getters.brushBlocks
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: this.blocks;
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},
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isMainCanvas() {
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return this.blocks === false;
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},
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2021-08-06 04:00:21 +00:00
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blocksWidthHeight() {
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return {
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w: 20 * blockWidth,
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h: this.getBlocks.length * blockHeight
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}
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},
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2021-08-06 01:51:58 +00:00
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mircColours() {
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return mircColours99;
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},
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},
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watch: {
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getBlocks() {
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this.delayRedrawCanvas();
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},
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2021-08-06 04:00:21 +00:00
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blocks() {
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this.delayRedrawCanvas();
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},
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2021-08-06 01:51:58 +00:00
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currentAscii() {
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this.delayRedrawCanvas();
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},
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brushSizeHeight() {
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this.delayRedrawCanvas();
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},
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brushSizeWidth() {
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this.delayRedrawCanvas();
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},
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isTargettingBg() {
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this.delayRedrawCanvas();
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},
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isTargettingFg() {
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this.delayRedrawCanvas();
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},
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isTargettingChar() {
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this.delayRedrawCanvas();
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},
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currentFg() {
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this.delayRedrawCanvas();
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},
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currentBg() {
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this.delayRedrawCanvas();
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},
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currentChar() {
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this.delayRedrawCanvas();
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},
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},
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methods: {
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drawPreview() {
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this.ctx.clearRect(0, 0, 10000, 10000);
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this.ctx.fillStyle = this.mircColours[1];
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const BLOCK_WIDTH = this.currentAscii.blockWidth;
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const BLOCK_HEIGHT = this.currentAscii.blockHeight;
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// hack font for ascii shout outs 2 beenz
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this.ctx.font = "13px Hack";
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let y = 0;
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let x = 0;
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// Get middle block
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if (this.getBlocks) {
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for (y = 0; y < this.getBlocks.length; y++) {
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for (x = 0; x < this.getBlocks[0].length; x++) {
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if (this.getBlocks[y] && this.getBlocks[y][x]) {
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const curBlock = this.getBlocks[y][x];
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if ((!this.isMainCanvas && curBlock.bg) || (curBlock.bg && this.isMainCanvas && this.isTargettingBg)) {
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2021-08-06 05:12:37 +00:00
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this.ctx.fillStyle = this.mircColours[curBlock.bg];
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2021-08-06 01:51:58 +00:00
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this.ctx.fillRect(
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x * BLOCK_WIDTH,
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y * BLOCK_HEIGHT,
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BLOCK_WIDTH,
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BLOCK_HEIGHT
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);
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}
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if ((!this.isMainCanvas && curBlock.fg) || (curBlock.fg && this.isMainCanvas && this.isTargettingFg)) {
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2021-08-06 05:12:37 +00:00
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this.ctx.fillStyle = this.mircColours[curBlock.fg];
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2021-08-06 01:51:58 +00:00
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}
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if ((!this.isMainCanvas && curBlock.char) || (curBlock.char && this.isMainCanvas && this.isTargettingChar)) {
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2021-08-06 05:12:37 +00:00
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this.ctx.fillStyle = this.mircColours[curBlock.fg];
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2021-08-06 01:51:58 +00:00
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this.ctx.fillText(
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2021-08-06 05:12:37 +00:00
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curBlock.char,
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2021-08-06 01:51:58 +00:00
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x * BLOCK_WIDTH - 1,
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y * BLOCK_HEIGHT + BLOCK_HEIGHT - 3
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);
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}
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}
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}
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}
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this.ctx.stroke();
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}
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},
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delayRedrawCanvas() {
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if (this.redraw) {
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this.redraw = false;
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setTimeout(() => {
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this.redraw = true;
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this.drawPreview();
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}, this.options.canvasRedrawSpeed);
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}
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},
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},
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};
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</script>
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