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

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This commit is contained in:
badlogic 2019-02-12 14:18:58 +01:00
parent fd51eee47f
commit 72094511e3
1 changed files with 32 additions and 21 deletions
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53
spine-lua/AnimationState.lua
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@ -475,31 +475,42 @@ function AnimationState:applyRotateTimeline (timeline, skeleton, time, alpha, bl
local rotateTimeline = timeline
local frames = rotateTimeline.frames
local bone = skeleton.bones[rotateTimeline.boneIndex]
local r1 = 0
local r2 = 0
if time < frames[0] then
if blend == MixBlend.setup then bone.rotation = bone.data.rotation end
return
if blend == MixBlend.setup then
bone.rotation = bone.data.rotation
return
elseif blend == MixBlend.first then
r1 = bone.rotation
r2 = bone.data.rotation
else
return
end
else
if blend == MixBlend.setup then
r1 = bone.data.rotation
else
r1 = bone.rotation
end
if time >= frames[zlen(frames) - Animation.RotateTimeline.ENTRIES] then -- Time is after last frame.
r2 = bone.data.rotation + frames[zlen(frames) + Animation.RotateTimeline.PREV_ROTATION]
else
-- Interpolate between the previous frame and the current frame.
local frame = Animation.binarySearch(frames, time, Animation.RotateTimeline.ENTRIES)
local prevRotation = frames[frame + Animation.RotateTimeline.PREV_ROTATION]
local frameTime = frames[frame]
local percent = rotateTimeline:getCurvePercent(math_floor(frame / 2) - 1,
1 - (time - frameTime) / (frames[frame + Animation.RotateTimeline.PREV_TIME] - frameTime))
r2 = frames[frame + Animation.RotateTimeline.ROTATION] - prevRotation
r2 = r2 - (16384 - math_floor(16384.499999999996 - r2 / 360)) * 360
r2 = prevRotation + r2 * percent + bone.data.rotation
r2 = r2 - (16384 - math_floor(16384.499999999996 - r2 / 360)) * 360
end
end
local r2 = 0
if time >= frames[zlen(frames) - Animation.RotateTimeline.ENTRIES] then -- Time is after last frame.
r2 = bone.data.rotation + frames[zlen(frames) + Animation.RotateTimeline.PREV_ROTATION]
else
-- Interpolate between the previous frame and the current frame.
local frame = Animation.binarySearch(frames, time, Animation.RotateTimeline.ENTRIES)
local prevRotation = frames[frame + Animation.RotateTimeline.PREV_ROTATION]
local frameTime = frames[frame]
local percent = rotateTimeline:getCurvePercent(math_floor(frame / 2) - 1,
1 - (time - frameTime) / (frames[frame + Animation.RotateTimeline.PREV_TIME] - frameTime))
r2 = frames[frame + Animation.RotateTimeline.ROTATION] - prevRotation
r2 = r2 - (16384 - math_floor(16384.499999999996 - r2 / 360)) * 360
r2 = prevRotation + r2 * percent + bone.data.rotation
r2 = r2 - (16384 - math_floor(16384.499999999996 - r2 / 360)) * 360
end
-- Mix between rotations using the direction of the shortest route on the first frame while detecting crosses.
local r1 = bone.rotation
if blend == MixBlend.setup then r1 = bone.data.rotation end
local total = 0
local diff = r2 - r1
diff = diff - (16384 - math_floor(16384.499999999996 - diff / 360)) * 360