16 lines
482 B
TypeScript
16 lines
482 B
TypeScript
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export module Bezier {
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export function GetPoint(p0: cc.Vec2, p1: cc.Vec2, p2: cc.Vec2, p3: cc.Vec2, t: number): cc.Vec2 {
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if (t < 0) {
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t = 0;
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}
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else if (t > 1) {
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t = 1
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}
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let OneMinusT = 1 - t;
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return p0.mul(OneMinusT * OneMinusT * OneMinusT)
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.add(p1.mul(3 * OneMinusT * OneMinusT * t))
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.add(p2.mul(3 * OneMinusT * t * t))
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.add(p3.mul(t * t * t));
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}
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}
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