package speiger.src.coreengine.math.value;

import speiger.src.coreengine.math.MathUtils;

public class LiniarValue extends Value
{
	final float startValue;
	final float endValue;
	boolean smooth = false;
	
	public LiniarValue(float duration, float startValue, float endValue)
	{
		this(0F, duration, startValue, endValue);
	}
	
	public LiniarValue(float start, float duration, float startValue, float endValue)
	{
		super(start, duration);
		this.startValue = startValue;
		this.endValue = endValue;
	}
	
	public LiniarValue setSmooth()
	{
		smooth = true;
		return this;
	}
	
	public LiniarValue setSmooth(boolean smooth)
	{
		this.smooth = smooth;
		return this;
	}
	
	@Override
	protected float calculateProgress(float time)
	{
		return smooth ? MathUtils.smoothLerp(startValue, endValue, time) : MathUtils.lerp(startValue, endValue, time);
	}
	
	@Override
	protected void onFinished()
	{
		finishProgress();
	}
}