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Transform constraint offset rotation and shearY reflects if the target is reflected.

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This commit is contained in:
NathanSweet 2016-11-07 13:43:20 +01:00
parent 16eb6b5ede
commit 5b8a7420ea
1 changed files with 4 additions and 2 deletions
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6
spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/TransformConstraint.java
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@ -84,6 +84,8 @@ public class TransformConstraint implements Constraint {
float rotateMix = this.rotateMix, translateMix = this.translateMix, scaleMix = this.scaleMix, shearMix = this.shearMix;
Bone target = this.target;
float ta = target.a, tb = target.b, tc = target.c, td = target.d;
float degRadReflect = ta * td - tb * tc > 0 ? degRad : -degRad;
float offsetRotation = data.offsetRotation * degRadReflect, offsetShearY = data.offsetShearY * degRadReflect;
Array<Bone> bones = this.bones;
for (int i = 0, n = bones.size; i < n; i++) {
Bone bone = bones.get(i);
@ -91,7 +93,7 @@ public class TransformConstraint implements Constraint {
if (rotateMix != 0) {
float a = bone.a, b = bone.b, c = bone.c, d = bone.d;
float r = atan2(tc, ta) - atan2(c, a) + data.offsetRotation * degRad;
float r = atan2(tc, ta) - atan2(c, a) + offsetRotation;
if (r > PI)
r -= PI2;
else if (r < -PI) r += PI2;
@ -133,7 +135,7 @@ public class TransformConstraint implements Constraint {
if (r > PI)
r -= PI2;
else if (r < -PI) r += PI2;
r = by + (r + data.offsetShearY * degRad) * shearMix;
r = by + (r + offsetShearY) * shearMix;
float s = (float)Math.sqrt(b * b + d * d);
bone.b = cos(r) * s;
bone.d = sin(r) * s;