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21 lines
653 B
21 lines
653 B
4 years ago
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const state = new Float32Array(100 * 100 * 2)
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const [canvas] = document.getElementsByTagName('canvas')
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const ctx = canvas.getContext('2d')
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const memo = fn => (c => a => c[a] || (c[a] = fn(a)))(Object.create(null))
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const toHex = memo(color => '#'+ `00000${color.toString(16)}`.slice(-6))
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export const colorize = (x, y, color) => {
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ctx.fillStyle = toHex(color)
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ctx.fillRect(x * 12, y * 12, 12, 12)
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}
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export const move = (x, y, color, turn) => {
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const index = (x * 100 + y) * 2
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if (state[index]) return state[index]
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state[index] = turn
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colorize(x, y, color)
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}
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export const update = () => {}
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export const reset = () => {}
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