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修复normalized

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This commit is contained in:
yhh
2021-06-29 18:40:34 +08:00
parent 96a41eb2cc
commit ea482dab48
17 changed files with 286 additions and 200 deletions
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16
source/src/Math/Bezier.ts
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@@ -14,8 +14,8 @@ module es {
t = MathHelper.clamp01(t);
let oneMinusT = 1 - t;
return new Vector2(oneMinusT * oneMinusT).multiply(p0)
.add(new Vector2(2 * oneMinusT * t).multiply(p1))
.add(new Vector2(t * t).multiply(p2));
.addEqual(new Vector2(2 * oneMinusT * t).multiply(p1))
.addEqual(new Vector2(t * t).multiply(p2));
}
/**
@@ -31,9 +31,9 @@ module es {
t = MathHelper.clamp01(t);
let oneMinusT = 1 - t;
return new Vector2(oneMinusT * oneMinusT * oneMinusT).multiply(start)
.add(new Vector2(3 * oneMinusT * oneMinusT * t).multiply(firstControlPoint))
.add(new Vector2(3 * oneMinusT * t * t).multiply(secondControlPoint))
.add(new Vector2(t * t * t).multiply(end));
.addEqual(new Vector2(3 * oneMinusT * oneMinusT * t).multiply(firstControlPoint))
.addEqual(new Vector2(3 * oneMinusT * t * t).multiply(secondControlPoint))
.addEqual(new Vector2(t * t * t).multiply(end));
}
/**
@@ -45,7 +45,7 @@ module es {
*/
public static getFirstDerivative(p0: Vector2, p1: Vector2, p2: Vector2, t: number) {
return new Vector2(2 * (1 - t)).multiply(Vector2.subtract(p1, p0))
.add(new Vector2(2 * t).multiply(Vector2.subtract(p2, p1)));
.addEqual(new Vector2(2 * t).multiply(Vector2.subtract(p2, p1)));
}
/**
@@ -61,8 +61,8 @@ module es {
t = MathHelper.clamp01(t);
let oneMunusT = 1 - t;
return new Vector2(3 * oneMunusT * oneMunusT).multiply(Vector2.subtract(firstControlPoint, start))
.add(new Vector2(6 * oneMunusT * t).multiply(Vector2.subtract(secondControlPoint, firstControlPoint)))
.add(new Vector2(3 * t * t).multiply(Vector2.subtract(end, secondControlPoint)));
.addEqual(new Vector2(6 * oneMunusT * t).multiply(Vector2.subtract(secondControlPoint, firstControlPoint)))
.addEqual(new Vector2(3 * t * t).multiply(Vector2.subtract(end, secondControlPoint)));
}
/**