Blending Between Animations
Author
Is it normal to put code into an engine to blend between two different animations? For example, a character standing still and then changing to walking the animation jumps rather dramatically when it starts the first new frame.
Is it normally up to the animator to create smooth transitions between the animations, or is it up to the engine programmer to put blend functionality to lerp&slerp between the two running animations while they are blending.
Hope this makes sense. Thanks.
hi there,
I just recently wrote an animation system for a game I was working on. What I did was create an actual blending state in my animation controller. So if you wanted to go from idle to walk you take the last frame the idle animation was in before the player pressed a key to move and you interpolate for a set amount of time to the first frame of the walk animation. This worked for me in achieving smooth transitions between the animations that needed it without an artist creating these transitions. I Hope this helps!
-Andrew
I just recently wrote an animation system for a game I was working on. What I did was create an actual blending state in my animation controller. So if you wanted to go from idle to walk you take the last frame the idle animation was in before the player pressed a key to move and you interpolate for a set amount of time to the first frame of the walk animation. This worked for me in achieving smooth transitions between the animations that needed it without an artist creating these transitions. I Hope this helps!
-Andrew
Author
Quote:Original post by Andybean9
hi there,
I just recently wrote an animation system for a game I was working on. What I did was create an actual blending state in my animation controller. So if you wanted to go from idle to walk you take the last frame the idle animation was in before the player pressed a key to move and you interpolate for a set amount of time to the first frame of the walk animation. This worked for me in achieving smooth transitions between the animations that needed it without an artist creating these transitions. I Hope this helps!
-Andrew
Interesting. So you don't blend between the two moving sets of animations. The animation for walk doesn't start until the blend has finished? That kind of makes more sense. Do you think it looks better than blending between two moving sets of animations?
Thanks for the reply.
Author
Hello again,
I just tried your method out to compare and I think they both look pretty good. Your implementation is certainly a lot easier than mine (trying to blend between two running animations), so I think I will go with it.
Thanks for your help!
I just tried your method out to compare and I think they both look pretty good. Your implementation is certainly a lot easier than mine (trying to blend between two running animations), so I think I will go with it.
Thanks for your help!
Animadead (http://animadead.sf.net) is a library meant for just such a thing. In Animadead animations are just the set of frames for the entire animation, and a blend is used to get the pose between two frames. That same blend feature can be used to blend between any two poses, and therefore the result of 2 seperate animations can be blended (with a weight you define) to create a new pose. In this nature, it is heirarchial. This doesn't necessarily answer the best way to blend the animations, but it will make it a lot easier to implement.
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