Added a workign asteroid, next stp is collision detection

Signed-off-by: Ricky Barrette <rickbarrette@gmail.com>

Asteroids/src/com/RickBarrette/asteroids/Asteroid.java

@@ -20,19 +20,52 @@
  */
 package com.RickBarrette.asteroids;
 
+import java.awt.Color;
+import java.awt.Graphics;
+
 
 /**
  * This class will be used to make astroids, to destroy the ship!
  * @author ricky barrette
  */
-public class Asteroid extends MovingSpaceObject {
+public class Asteroid extends MovingSpaceObject implements Drawable {
+
+	private final int mNumberSplit;
+	private final int mHitsLeft;
+	private final int mRadius;
+	private AsteroidGame mGame;
 
 	/**
 	 * Creates a new Asteroid
+	 * @param x 
+	 * @param y
+	 * @param xVelocity
+	 * @param yVelocity
+	 * @param numberSplit number of smaller asteroids to create after being blown up
+	 * @param hitsLeft number of hits left
 	 * @author ricky barrette
 	 */
-	public Asteroid() {
-		// TODO Asteroid stuff
+	public Asteroid(double x, double y, double minVelocity, double maxVelocity, int radius, int numberSplit, int hitsLeft, AsteroidGame game) {
+		mGame = game;
+		mColor = Color.GRAY;
+		mX = x;
+		mY = y;
+		double vel=minVelocity + Math.random()*(maxVelocity-minVelocity);
+		mAngle = 2*Math.PI*Math.random(); // random direction
+		mXVelocity=vel*Math.cos(mAngle);
+		mYVelocity=vel*Math.sin(mAngle);
+
+		mNumberSplit = numberSplit;
+		mHitsLeft = hitsLeft;
+		mRadius = radius;
+		mVelocityDecay = 1;
+		isActive = true;
 	}
 
+	@Override
+	public void draw(Graphics g) {
+		g.setColor(mColor); 
+		g.fillOval((int)(mX-mRadius+.5),(int)(mY-mRadius+.5), (int)(2*mRadius),(int)(2*mRadius));
+
+	}
 }

Asteroids/src/com/RickBarrette/asteroids/AsteroidGame.java

@@ -60,6 +60,7 @@ public class AsteroidGame extends Thread {
 	public void createGame() {
 		mWorld = new Vector<Object>();
 		mWorld.add(new Ship(100,100,0,.35,.98,.4,1));
+		mWorld.add(new Asteroid(500, 500, 1, 10, 50, 3, 3, this));
 	}
 
 	public Vector<Object> getWorld() {

Asteroids/src/com/RickBarrette/asteroids/MovingSpaceObject.java

@@ -29,8 +29,8 @@ public class MovingSpaceObject extends SpaceObject implements Moveable{
 	protected double mAngle;
 	protected double mVelocityDecay;
 	protected double mRotationalSpeed;
-	protected double xVelocity = 0;
-	protected double yVelocity = 0;
+	protected double mXVelocity = 0;
+	protected double mYVelocity = 0;
 	protected double mAcceleration;	
 	protected boolean isTurningLeft = false, isTurningRight = false, isAccelerating = false, isActive;
 
@@ -77,8 +77,8 @@ public class MovingSpaceObject extends SpaceObject implements Moveable{
 		if(Main.DEBUG){
 			System.out.println("Move "+ scrnWidth +" x "+ scrnHeight);
 			System.out.println("angle "+mAngle);
-			System.out.println("xVelocity = "+xVelocity);
-			System.out.println("yVelocity = "+yVelocity);
+			System.out.println("xVelocity = "+mXVelocity);
+			System.out.println("yVelocity = "+mYVelocity);
 			System.out.println("yX = "+mX);
 			System.out.println("yY = "+mY);
 		}
@@ -108,20 +108,20 @@ public class MovingSpaceObject extends SpaceObject implements Moveable{
 				System.out.println("accelerating by "+mAcceleration);
 			
 			// calculates components of accel and adds them to velocity
-			xVelocity += mAcceleration * Math.cos(mAngle);
-			yVelocity += mAcceleration * Math.sin(mAngle);
+			mXVelocity += mAcceleration * Math.cos(mAngle);
+			mYVelocity += mAcceleration * Math.sin(mAngle);
 		}
 		
 		// move the space object by adding velocity to position
-		mX += xVelocity; 
-		mY += yVelocity;
+		mX += mXVelocity; 
+		mY += mYVelocity;
 		
 		/*
 		 *  slows ship down by percentages (velDecay
 		 *  should be a decimal between 0 and 1
 		 */
-		xVelocity *= mVelocityDecay; 
-		yVelocity *= mVelocityDecay; 
+		mXVelocity *= mVelocityDecay; 
+		mYVelocity *= mVelocityDecay; 
 		
 		/*
 		 * wrap the ship around to the opposite side of the screen

Asteroids/src/com/RickBarrette/asteroids/Ship.java

@@ -161,10 +161,10 @@ public class Ship extends MovingSpaceObject implements Drawable {
 	}
 
 	public double getXVelocity() {
-		return this.xVelocity;
+		return this.mXVelocity;
 	}
 
 	public double getYVelocity() {
-		return this.yVelocity;
+		return this.mYVelocity;
 	}
 }