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Last active December 3, 2019 08:38
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js-tetris - get canvas
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main.js
const canvas = document.getElementById('board');
const ctx = canvas.getContext('2d');
// Calculate size of canvas from constants.
ctx.canvas.width = COLS * BLOCK_SIZE;
ctx.canvas.height = ROWS * BLOCK_SIZE;
// Scale blocks
ctx.scale(BLOCK_SIZE, BLOCK_SIZE);
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