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Shorten Curve.isFlatEnough() code.

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This commit is contained in:
Jürg Lehni 2011-11-11 20:58:33 +01:00
parent fdd4ee8d31
commit d43b54a531
1 changed files with 4 additions and 11 deletions
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15
src/path/Curve.js
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@ -582,21 +582,14 @@ var Curve = this.Curve = Base.extend(/** @lends Curve# */{
c1x = v[2], c1y = v[3],
c2x = v[4], c2y = v[5],
p2x = v[6], p2y = v[7],
ux = 3 * c1x - 2 * p1x - p2x,
uy = 3 * c1y - 2 * p1y - p2y,
vx = 3 * c2x - 2 * p2x - p1x,
vy = 3 * c2y - 2 * p2y - p1y;
ux *= ux;
uy *= uy;
vx *= vx;
vy *= vy;
if (ux < vx)
ux = vx;
if (uy < vy)
uy = vy;
vy = 3 * c2y - 2 * p2y - p1y,
tol = Numerical.TOLERNACE;
// Tolerance is 16 * tol ^ 2
return ux + uy <= 16 * Numerical.TOLERNACE * Numerical.TOLERNACE;
return Math.max(ux * ux, vx * vx) + Math.max(uy * uy, vy * vy)
<= 16 * tol * tol;
}
}
}, new function() { // Scope for methods that require numerical integration