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Bezier functions in CoffeeScript
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| _bez1 = (pct)-> | |
| Math.pow pct, 3 | |
| _bez2 = (pct)-> | |
| 3 * Math.pow(pct, 2) * (1-pct) | |
| _bez3 = (pct)-> | |
| 3 * pct * Math.pow (1-pct), 2 | |
| _bez4 = (pct)-> | |
| Math.pow (1-pct), 3 | |
| _point = (c1, c2, c3, c4, pct)-> | |
| x : c1.x * _bez1(pct) + | |
| c2.x * _bez2(pct) + | |
| c3.x * _bez3(pct) + | |
| c4.x * _bez4(pct) | |
| y : c1.y * _bez1(pct) + | |
| c2.y * _bez2(pct) + | |
| c3.y * _bez3(pct) + | |
| c4.y * _bez4(pct) | |
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