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[cpp] Fixed AnimationState not respecting MixBlend.first for rotate timelines. See #1274.

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This commit is contained in:
badlogic 2019-02-12 14:24:24 +01:00
parent 2843950e18
commit c0277ff12b
1 changed files with 26 additions and 21 deletions
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15
spine-cpp/spine-cpp/src/spine/AnimationState.cpp
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@ -642,14 +642,19 @@ void AnimationState::applyRotateTimeline(RotateTimeline *rotateTimeline, Skeleto
Bone *bone = skeleton._bones[rotateTimeline->_boneIndex];
Vector<float>& frames = rotateTimeline->_frames;
float r1, r2;
if (time < frames[0]) {
if (blend == MixBlend_Setup) {
switch (blend) {
case MixBlend_Setup:
bone->_rotation = bone->_data._rotation;
}
default:
return;
case MixBlend_First:
r1 = bone->_rotation;
r2 = bone->_data._rotation;
}
float r2;
} else {
r1 = blend == MixBlend_Setup ? bone->_data._rotation : bone->_rotation;
if (time >= frames[frames.size() - RotateTimeline::ENTRIES]) {
// Time is after last frame.
r2 = bone->_data._rotation + frames[frames.size() + RotateTimeline::PREV_ROTATION];
@ -667,9 +672,9 @@ void AnimationState::applyRotateTimeline(RotateTimeline *rotateTimeline, Skeleto
r2 = prevRotation + r2 * percent + bone->_data._rotation;
r2 -= (16384 - (int) (16384.499999999996 - r2 / 360)) * 360;
}
}
// Mix between rotations using the direction of the shortest route on the first frame while detecting crosses.
float r1 = blend == MixBlend_Setup ? bone->_data._rotation : bone->_rotation;
float total, diff = r2 - r1;
diff -= (16384 - (int) (16384.499999999996 - diff / 360)) * 360;
if (diff == 0) {