ES-DE/es-core/src/animations/AnimationController.cpp

#include "animations/AnimationController.h"

#include "animations/Animation.h"

AnimationController::AnimationController(Animation* anim, int delay, std::function<void()> finishedCallback, bool reverse)
	: mAnimation(anim), mFinishedCallback(finishedCallback), mReverse(reverse), mTime(-delay), mDelay(delay)
{
}

AnimationController::~AnimationController()
{
	if(mFinishedCallback)
		mFinishedCallback();

	delete mAnimation;
}

bool AnimationController::update(int deltaTime)
{
	mTime += deltaTime;

	if(mTime < 0) // are we still in delay?
		return false;

	float t = (float)mTime / mAnimation->getDuration();

	if(t > 1.0f)
		t = 1.0f;
	else if(t < 0.0f)
		t = 0.0f;

	mAnimation->apply(mReverse ? 1.0f - t : t);

	if(t == 1.0f)
		return true;

	return false;
}