Asteroid.java

package org.doublelong.jastroblast.entity;

import java.util.Random;

import org.doublelong.jastroblast.renderer.AsteroidRenderer;

import com.badlogic.gdx.graphics.OrthographicCamera;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;
import com.badlogic.gdx.math.Rectangle;
import com.badlogic.gdx.math.Vector2;

public class Asteroid
{

	private final Space space;
	public final Space getSpace() {return this.space; }

	// TODO fix Height/Width, should be associated with the sprite
	private static final float WIDTH = 136f;
	private static final float HEIGHT = 111f;

	private final Vector2 position;
	public Vector2 getPosition() { return this.position; }

	private final Rectangle bounds;
	public Rectangle getBounds() { return this.bounds; }

	public float getWidth() { return this.bounds.width; }
	public float getHeight() { return this.bounds.height; }

	private final Vector2 velocity;

	private float angle;
	public float getAngle() { return this.angle; }
	public void setAngle(float angle) { this.angle = angle; }

	private final float spin;
	private final int direction;

	public AsteroidRenderer renderer;

	public Asteroid(Space space, Vector2 position)
	{
		this.space = space;
		this.position = position;
		this.velocity = new Vector2();
		this.bounds = new Rectangle(this.position.x, this.position.y, Asteroid.WIDTH, Asteroid.HEIGHT);

		this.spin = (float) Math.random() * 100;
		this.direction = new Random().nextBoolean() ? 1 : -1;

		this.renderer = new AsteroidRenderer(this);
	}

	public void render(SpriteBatch batch, OrthographicCamera cam)
	{
		this.renderer.render(batch, cam);
	}

	public void update(float delta)
	{
		//System.out.println(this.angle);
		if (Math.abs(this.angle) > 360)
		{
			this.angle = 0;
		}
		if(Math.abs(this.angle) < 0)
		{
			this.angle = 360 * this.direction;
		}
		this.angle += this.direction * this.spin * delta;
		//this.setAngle(this.direction * this.spin * delta);

		float scale_x = this.direction * (delta * 10f);
		float scale_y = this.direction * (delta * 10f);

		this.position.add(new Vector2(scale_x, scale_y));
	}

	public void dispose()
	{
		this.renderer.dispose();
	}
}