32 lines
749 B
JavaScript
32 lines
749 B
JavaScript
const jimp = require("jimp");
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const fs = require("fs");
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let config = JSON.parse(fs.readFileSync("./config.jsonc"));
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const photoInterval = config.photoInterval;
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const targetColor = config.targetColor;
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const tolerance = config.tolerance;
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function rasterize(x, y, width){ //scale to image
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return (x + y * width);
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}
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function deRasterize(i, width){
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return ({
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y: Math.floor(i/width),
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x: i % width
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});
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}
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function compareColors(c1,c2){ //compare two rgba color structs
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//general basic distance nothing too special
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let sum1 = c1.r + c1.g + c1.b + c1.a;
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let sum2 = c2.r + c2.g + c2.b + c2.a;
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if (Math.abs(sum1-sum2) < (tolerance*4)) {
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return true;
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} else return false;
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}
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