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[as3] Fix 1-bone IK, see #1692.

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badlogic 2020-06-03 17:43:54 +02:00
parent 2b2d32f7a2
commit 512084a749
3 changed files with 7 additions and 4 deletions
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spine-as3/spine-as3/lib/spine-as3.swc
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11
spine-as3/spine-as3/src/spine/IkConstraint.as
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@ -96,10 +96,13 @@ package spine {
ty = targetY - bone.worldY;
break;
case TransformMode.noRotationOrReflection:
rotationIK += Math.atan2(pc, pa) * MathUtils.radDeg;
var ps : Number = Math.abs(pa * pd - pb * pc) / (pa * pa + pc * pc);
pb = -pc * ps;
pd = pa * ps;
var s : Number = Math.abs(pa * pd - pb * pc) / (pa * pa + pc * pc);
var sa : Number = pa / bone.skeleton.scaleX;
var sc : Number = pc / bone.skeleton.scaleY;
pb = -sc * s * bone.skeleton.scaleX;
pd = sa * s * bone.skeleton.scaleY;
rotationIK += Math.atan2(sc, sa) * MathUtils.radDeg;
// Fall through.
default:
var x : Number = targetX - p.worldX, y : Number = targetY - p.worldY;
var d : Number = pa * pd - pb * pc;

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spine-starling/spine-starling/lib/spine-starling.swc
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