package speiger.src.coreengine.math.value;

import speiger.src.coreengine.math.MathUtils;

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