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Path constraint offset rotation reflects if the path's bone is reflected.

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This commit is contained in:
NathanSweet 2016-11-07 13:11:38 +01:00
parent f5a6b4bf92
commit c215023859
1 changed files with 11 additions and 4 deletions
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15
spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/PathConstraint.java
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@ -125,7 +125,14 @@ public class PathConstraint implements Constraint {
float[] positions = computeWorldPositions((PathAttachment)attachment, spacesCount, tangents,
data.positionMode == PositionMode.percent, spacingMode == SpacingMode.percent);
float boneX = positions[0], boneY = positions[1], offsetRotation = data.offsetRotation;
boolean tip = rotateMode == RotateMode.chain && offsetRotation == 0;
boolean tip;
if (offsetRotation == 0)
tip = rotateMode == RotateMode.chain;
else {
tip = false;
Bone p = target.bone;
offsetRotation *= p.a * p.d - p.b * p.c > 0 ? -degRad : degRad;
}
for (int i = 0, p = 3; i < boneCount; i++, p += 3) {
Bone bone = (Bone)bones[i];
bone.worldX += (boneX - bone.worldX) * translateMix;
@ -149,15 +156,15 @@ public class PathConstraint implements Constraint {
r = positions[p + 2];
else
r = atan2(dy, dx);
float det = a * d - b * c;
r -= atan2(c, a) + (det > 0 ? -offsetRotation * degRad : offsetRotation * degRad);
r -= atan2(c, a);
if (tip) {
cos = cos(r);
sin = sin(r);
float length = bone.data.length;
boneX += (length * (cos * a - sin * c) - dx) * rotateMix;
boneY += (length * (sin * a + cos * c) - dy) * rotateMix;
}
} else
r -= offsetRotation;
if (r > PI)
r -= PI2;
else if (r < -PI) //