Engine.java

package uk.co.flyingsquirrels.models;

import org.jbox2d.common.Vec2;

public class Engine extends ControllableComponentTemplate {

	private final float maxThrust;
	private final Vec2 thrustLine;

	private Vec2 thrust = new Vec2(0, 0);

	public Engine(float maxThrust, Vec2 thrustLine, Vec2 localPosition) {
		super(localPosition, new Control());
		this.maxThrust = maxThrust;
		thrustLine.normalize();
		this.thrustLine = thrustLine;
	}
	
	public void updateInternal(float seconds) {
		thrust = thrustLine.mul(getControl().getValue() * maxThrust);
	}

	public Vec2 getForce() {
		return thrust;
	}
}