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[libgdx] Prevent rotation from spinning out of control.

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For example, when diff is -360 at the == 0 check, it later becomes 0.
This commit is contained in:
NathanSweet 2018-08-16 02:21:11 +02:00
parent 1ed6d7c485
commit 7996f2bae0
1 changed files with 1 additions and 1 deletions
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spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/AnimationState.java
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@ -356,10 +356,10 @@ public class AnimationState {
// Mix between rotations using the direction of the shortest route on the first frame. // Mix between rotations using the direction of the shortest route on the first frame.
float r1 = blend == MixBlend.setup ? bone.data.rotation : bone.rotation; float r1 = blend == MixBlend.setup ? bone.data.rotation : bone.rotation;
float total, diff = r2 - r1; float total, diff = r2 - r1;
diff -= (16384 - (int)(16384.499999999996 - diff / 360)) * 360;
if (diff == 0) if (diff == 0)
total = timelinesRotation[i]; total = timelinesRotation[i];
else { else {
diff -= (16384 - (int)(16384.499999999996 - diff / 360)) * 360;
float lastTotal, lastDiff; float lastTotal, lastDiff;
if (firstFrame) { if (firstFrame) {
lastTotal = 0; lastTotal = 0;