FireBall

package main.Entity.projectile;

import main.Screen;
import main.Sprite;
import main.Entity.particle.Particle;
import main.Entity.spawner.ParticleSpawner;
import main.Entity.spawner.Spawner;

public class FireBall extends Projectile {

	public static final int FIRERATE = 5; //Number high = slower firerate, Number low = faster firerate.

	public FireBall(int x, int y, double dir) {
		super(x, y, dir);
		range = 225;
		speed = 4;
		damage = 20;
		sprite = Sprite.fireBall;

		nx = speed * Math.cos(angle);
		ny = speed * Math.sin(angle);
	}

	public void update() {
		if (level.solidCollision(x, y, nx, ny, 7)) {
			 level.add(new ParticleSpawner((int) x, (int) y, 100, 1000, level));
			remove();
		}
		move();
	}



	protected void move() {
		x += nx;
		y += ny;
		if (distance() > range) remove();
	}

	private double distance() {
		double dist = 0;
		dist = Math.sqrt(Math.abs((xOrigin - x) * (xOrigin - x) + (yOrigin - y) * (yOrigin - y)));
		return dist;
	}

	public void render(Screen screen) {
		screen.renderProjectile((int) x, (int) y, this);
	}

}