animation

[Rick]

I'm playing an idle animation and when I press a key it plays an attack animation and when that's done it goes back to idle. My issue is that when I press my key to play the attack animation it doesn't always start at the first frame of the attack animation. It seems like where it is in the idle animation is kind of where it starts in the attack animation. How can I make it so when I switch animations it'll always start at the first frame of that animation?

 

I have a map of animations that all have their start and end frames and how fast they should play.

 

void Actor::SetAnimation(string name)
{
_curAnimName = name;
_frame = _animations[_curAnimName]->GetStart();
_lastFrame = 0.0;
}

void Actor::Update()
{
       // Animation code
_frame = AppTime() / _animations[_curAnimName]->GetSpeed();
_frame = fmod(_frame, _animations[_curAnimName]->GetEnd() - _animations[_curAnimName]->GetStart()) + _animations[_curAnimName]->GetStart();

if(!_animations[_curAnimName]->IsLooping())
{
	if(_frame < _lastFrame)
		AnimationComplete(_curAnimName);
}

_lastFrame = _frame;
Animate(_mesh, _frame, 1, 0, true);
}

[Marleys Ghost]

My issue is that when I press my key to play the attack animation it doesn't always start at the first frame of the attack animation.

 

 

 

Yeah its a pain in the (_|_) when it does that ...

[Canardia]

Use your own frame counter and not fmod(), then you can start the animation exactly from the frame you want.

[Rick]

Yeah, I guess I was trying to avoid that. fmod seems so much cleaner. It seems like Josh shouldn't even use fmod in the tutorials if this issue exists.

 

So there is no way to do this with using fmod?

[Canardia]

It's possible with fmod() also, but you need to recalculate the offset to the start frame when you want to start the animation from the first frame.

[Rick]

hmm, how could you even structure something like that in code? I assume it would have to be after _frame = AppTime() / _animations[_curAnimName]->GetSpeed(); line but only when a new animation is selected and only done once.

[Canardia]

Just use lots of if() statements and state flags to make the logic easier.

[Rick]

I guess that seems messier than not using fmodf

 

Thanks

[AggrorJorn]

Macklebee helped ee with this issue too. Adding AppSpeed did the trick back then.

http://leadwerks.com/werkspace/index.php?/topic/2563-attaching-camera-to-animation/page__p__23650#entry23650

[ArBuZ]

I use such method of calculation current frame:

 

frame1+=AnimSpeed*(Engine::GetTime()-prevAnimTime)/1000.0;
if (frame1>=frameEnd)
frame1=fmod(frame1,(frameEnd-1));

model.Animate(frame1,blendAmount,curAnimation,RECURSIVE)
prevAnimTime=Engine::GetTime();

 

AnimSpeed is a speed of animation in frames per second. If it reaches the end of animation it loops to new frame from the beginning with corresponding offset.