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fix a mistake (#566)

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* fix a mistake

* fix a mistake
This commit is contained in:
qinghong.sheng 2016-05-10 18:48:02 +08:00 committed by Nathan Sweet
parent f695cf19c2
commit 16e900934f
1 changed files with 4 additions and 4 deletions
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8
spine-js/spine.js
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@ -399,7 +399,7 @@ spine.IkConstraint.apply2 = function (parent, child, targetX, targetY, bendDir,
if (cos < -1) cos = -1;
else if (cos > 1) cos = 1;
a2 = Math.acos(cos) * bendDir;
var a = l1 + l2 * cos, o = l2 * sin(a2);
var a = l1 + l2 * cos, o = l2 * Math.sin(a2);
a1 = Math.atan2(ty * a - tx * o, tx * a + ty * o);
} else {
var a = psx * l2, b = psy * l2, ta = Math.atan2(ty, tx);
@ -459,8 +459,8 @@ spine.IkConstraint.apply2 = function (parent, child, targetX, targetY, bendDir,
}
}
var os = Math.atan2(cy, cx) * s2;
a1 = (a1 - os) * radDeg + os1;
a2 = (a2 + os) * radDeg * s2 + os2;
a1 = (a1 - os) * spine.radDeg + os1;
a2 = (a2 + os) * spine.radDeg * s2 + os2;
if (a1 > 180) a1 -= 360;
else if (a1 < -180) a1 += 360;
if (a2 > 180) a2 -= 360;
@ -2856,4 +2856,4 @@ spine.SkeletonBounds.prototype = {
getHeight: function () {
return this.maxY - this.minY;
}
};
};