24 lines
884 B
JavaScript
24 lines
884 B
JavaScript
import { keySheet } from './src/lib/core/mask.js';
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const W = 20, H = 10;
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const data = new Uint8ClampedArray(W * H * 4);
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for (let y = 0; y < H; y++)
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for (let x = 0; x < W; x++) {
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const i = (y * W + x) * 4;
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const inSlab = x >= 5 && x < 15 && y >= 2 && y < 8;
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if (inSlab) { data[i]=139; data[i+1]=90; data[i+2]=43; }
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else { data[i]=34; data[i+1]=139; data[i+2]=34; }
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data[i+3] = 255;
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}
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const m = keySheet(data, { sheet: 'green', sensitivity: 50 });
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console.log('row 5:', Array.from(m.slice(5*W, 6*W)));
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console.log('row 5 length:', m.slice(5*W, 6*W).length);
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const arr = m.slice(5*W, 6*W);
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let all1 = true;
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for (let i = 0; i < W; i++) if (arr[i] !== 1) { all1 = false; console.log('x=', i, 'val=', arr[i]); }
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console.log('all 1s?', all1);
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// Check a specific pixel
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const px5 = m[5*W+10];
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console.log('px at (10,5):', px5);
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const px0 = m[0];
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console.log('px at (0,0):', px0);
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