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Clean up code a bit in Curve#getCurvatureAt().

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Jürg Lehni 2013-06-18 18:29:44 -07:00
parent dc076efd0c
commit 619a8f88f8
1 changed files with 3 additions and 2 deletions
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5
src/path/Curve.js
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@ -828,8 +828,9 @@ statics: {
var dt = Curve.evaluate(values, offset, isParameter, 1), var dt = Curve.evaluate(values, offset, isParameter, 1),
// Second derivative at offset/parameter // Second derivative at offset/parameter
d2t = Curve.evaluate(values, offset, isParameter, 3), d2t = Curve.evaluate(values, offset, isParameter, 3),
dx = dt.x, dy = dt.y, d2x = d2t.x, d2y = d2t.y; dx = dt.x,
return (dx * d2y - dy * d2x) / Math.pow(dx * dx + dy * dy, 3 / 2); dy = dt.y;
return (dx * d2t.y - dy * d2t.x) / Math.pow(dx * dx + dy * dy, 3 / 2);
} }
}, },