scratchfoundation/paper.js
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Fix argument reading for PathItem#arcTo(to, clockwise).

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This commit is contained in:
Jürg Lehni 2011-06-16 23:48:46 +01:00
parent 8d49d2377b
commit 169b58e550
1 changed files with 8 additions and 8 deletions
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16
src/path/Path.js
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@ -1516,16 +1516,16 @@ var Path = this.Path = PathItem.extend({
var current = getCurrentSegment(this),
from = current._point,
through;
if (typeof clockwise !== 'boolean') {
if (clockwise === undefined)
clockwise = true;
if (typeof clockwise === 'boolean') {
to = Point.read(arguments, 0, 1);
var middle = from.add(to).divide(2),
through = middle.add(middle.subtract(from).rotate(
clockwise ? -90 : 90));
} else {
through = Point.read(arguments, 0, 1);
to = Point.read(arguments, 1, 1);
} else {
to = Point.read(arguments, 0, 1);
if (clockwise === undefined)
clockwise = true;
var middle = from.add(to).divide(2),
step = middle.subtract(from);
through = middle[clockwise ? 'subtract' : 'add'](-step.y, step.x);
}
// Construct the two perpendicular middle lines to (from, through)
// and (through, to), and intersect them to get the center