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poigwym

assimp animation

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the metric of aiAnimation::mDuration doesn't match those of aiNodeAnim::time.

 

animation's duration may be very big ( 2063456540 ) because the unit has not been transfer, 

however the aiNodeAnim  has 36 keyframe, the last keyframe's time is 36, 

so the duration is overpass the time of a keyframe.    when i use the time( <duration ) to search matrix 

in  keyframe, it crash...

 

i want to know how to transfer the unit of duration?   or if there are any solution to make it not crash..

 

 

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Duration is in "ticks" so you'll have to use ticksPerSecond to come up with the real animation time.

 

a snippet of my animation loading code to illustrate:

anim.ticksPerSecond = static_cast<float>(assimpAnim.mTicksPerSecond);
anim.durationTicks = static_cast<float>(assimpAnim.mDuration);
anim.durationSeconds = anim.ticksPerSecond * anim.durationTicks;
anim.durationMilliseconds = anim.durationSeconds * 1000.0f; 

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