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Fix color timeline mixing when animation is after the last frame.

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NathanSweet 2014-04-27 22:02:08 +02:00
parent 1306384a8c
commit afe0817811
1 changed files with 21 additions and 21 deletions
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42
spine-c/src/spine/Animation.c
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@ -406,29 +406,29 @@ void _spColorTimeline_apply (const spTimeline* timeline, spSkeleton* skeleton, f
slot = skeleton->slots[self->slotIndex];
if (time >= self->frames[self->framesLength - 5]) { /* Time is after last frame. */
if (time >= self->frames[self->framesLength - 5]) {
/* Time is after last frame. */
int i = self->framesLength - 1;
slot->r = self->frames[i - 3];
slot->g = self->frames[i - 2];
slot->b = self->frames[i - 1];
slot->a = self->frames[i];
return;
r = self->frames[i - 3];
g = self->frames[i - 2];
b = self->frames[i - 1];
a = self->frames[i];
} else {
/* Interpolate between the last frame and the current frame. */
frameIndex = binarySearch(self->frames, self->framesLength, time, 5);
lastFrameR = self->frames[frameIndex - 4];
lastFrameG = self->frames[frameIndex - 3];
lastFrameB = self->frames[frameIndex - 2];
lastFrameA = self->frames[frameIndex - 1];
frameTime = self->frames[frameIndex];
percent = 1 - (time - frameTime) / (self->frames[frameIndex + COLOR_LAST_FRAME_TIME] - frameTime);
percent = spCurveTimeline_getCurvePercent(SUPER(self), frameIndex / 5 - 1, percent < 0 ? 0 : (percent > 1 ? 1 : percent));
r = lastFrameR + (self->frames[frameIndex + COLOR_FRAME_R] - lastFrameR) * percent;
g = lastFrameG + (self->frames[frameIndex + COLOR_FRAME_G] - lastFrameG) * percent;
b = lastFrameB + (self->frames[frameIndex + COLOR_FRAME_B] - lastFrameB) * percent;
a = lastFrameA + (self->frames[frameIndex + COLOR_FRAME_A] - lastFrameA) * percent;
}
/* Interpolate between the last frame and the current frame. */
frameIndex = binarySearch(self->frames, self->framesLength, time, 5);
lastFrameR = self->frames[frameIndex - 4];
lastFrameG = self->frames[frameIndex - 3];
lastFrameB = self->frames[frameIndex - 2];
lastFrameA = self->frames[frameIndex - 1];
frameTime = self->frames[frameIndex];
percent = 1 - (time - frameTime) / (self->frames[frameIndex + COLOR_LAST_FRAME_TIME] - frameTime);
percent = spCurveTimeline_getCurvePercent(SUPER(self), frameIndex / 5 - 1, percent < 0 ? 0 : (percent > 1 ? 1 : percent));
r = lastFrameR + (self->frames[frameIndex + COLOR_FRAME_R] - lastFrameR) * percent;
g = lastFrameG + (self->frames[frameIndex + COLOR_FRAME_G] - lastFrameG) * percent;
b = lastFrameB + (self->frames[frameIndex + COLOR_FRAME_B] - lastFrameB) * percent;
a = lastFrameA + (self->frames[frameIndex + COLOR_FRAME_A] - lastFrameA) * percent;
if (alpha < 1) {
slot->r += (r - slot->r) * alpha;
slot->g += (g - slot->g) * alpha;