public Ball(Player player, Vector2 position, float radius, float maxY, World world) : base(world) {
this.player = player;
this.radius = ConvertUnits.ToSimUnits(player.BallRadius);
this.maxY = maxY;
switch (player.Index)
{
case PlayerIndex.One:
trail = ParticleEmitter.SpawnGenericProjectileEmitterRed(ConvertUnits.ToDisplayUnits(position));
break;
case PlayerIndex.Two:
trail = ParticleEmitter.SpawnGenericProjectileEmitterBlue(ConvertUnits.ToDisplayUnits(position));
break;
default:
trail = ParticleEmitter.SpawnGenericProjectileEmitterRed(ConvertUnits.ToDisplayUnits(position));
break;
}
trail.startScale = 0.5f * ConvertUnits.ToDisplayUnits(this.radius) / 10.0f;
trail.endScale = 0.05f * ConvertUnits.ToDisplayUnits(this.radius) / 10.0f;
body = BodyFactory.CreateCircle(world, this.radius, 1, position);
body.BodyType = BodyType.Dynamic;
body.CollidesWith = Category.Cat2 | Category.Cat4;
body.CollisionCategories = Category.Cat1;
body.Restitution = 1.0f;
body.Friction = 0.0f;
body.OnCollision += OnCollision;
//body.ApplyLinearImpulse(new Vector2(-0.2f, -1f)*0.8f);
body.UserData = this;
speed = Owner.BallSpeed;
//body.LinearVelocity = Vector2.Normalize(new Vector2(-1f, -1f))*10f;
}
public void ArmPlayer(Player p){
p.Paddle.ActivateGun(15);
}
public void ShrinkBalls(Player player)
{
player.BallRadius = MathHelper.Clamp(player.BallRadius * 0.75f, 3.0f, 30.0f);
for (int i = gameObjects.Count - 1; i >= 0; i--)
{
if (gameObjects[i] is Ball && (gameObjects[i] as Ball).Owner == player)
{
(gameObjects[i] as Ball).UpdateRadius(player.BallRadius);
}
}
}
public void EnlargeBalls(Player player)
{
player.BallRadius = MathHelper.Clamp(player.BallRadius * 1.5f, 10f, 50.0f);
for (int i = gameObjects.Count - 1; i >= 0; i--)
{
if (gameObjects[i] is Ball && (gameObjects[i] as Ball).Owner == player)
{
(gameObjects[i] as Ball).UpdateRadius(player.BallRadius);
}
}
}
public void SlowDownBalls(Player player)
{
player.BallSpeed = MathHelper.Clamp(player.BallSpeed * 0.75f, 5.0f, 30.0f);
for (int i = gameObjects.Count - 1; i >= 0; i--)
{
if (gameObjects[i] is Ball && (gameObjects[i] as Ball).Owner == player)
{
(gameObjects[i] as Ball).UpdateSpeed(player.BallSpeed);
}
}
}
public void SplitBalls(Player player)
{
for(int i = gameObjects.Count - 1; i >= 0; i--)
{
if (gameObjects[i] is Ball && (gameObjects[i] as Ball).Owner == player) {
float angle = (float)Game1.rand.NextDouble() * MathHelper.TwoPi;
Vector2 heading = new Vector2((float)Math.Cos(angle), (float)Math.Sin(angle));
(gameObjects[i] as Ball).Launch(heading);
for(int j = 0; j < Game1.rand.Next(2,5); j++)
{
if (player.Balls >= 15)
continue;
angle = (float)Game1.rand.NextDouble() * MathHelper.TwoPi;
heading = new Vector2((float)Math.Cos(angle), (float)Math.Sin(angle));
player.AddBall();
Ball b = new Ball(player, gameObjects[i].Position + new Vector2(0, 0.001f), ConvertUnits.ToSimUnits(10.0f), ConvertUnits.ToSimUnits(screenHeight), world);
gameObjects.Add(b);
b.Launch(heading);
}
}
}
}
/// <summary>
/// Spawns a ball and attaches it to player's paddle
/// </summary>
/// <param name="player"></param>
public void SpawnBall(Player player) {
player.AddBall();
Ball b = new Ball(player, ConvertUnits.ToSimUnits(new Vector2(screenWidth / 2.0f, screenHeight - 400.0f)), ConvertUnits.ToSimUnits(10.0f), ConvertUnits.ToSimUnits(screenHeight), world);
gameObjects.Add(b);
player.Paddle.Attach(b);
}
private void RestartGame(PlayerIndex player) {
twoPlayers = false;
levelIndex = 0;
player1 = null;
player2 = null;
ClearGameObjects();
LoadLevel(levels[levelIndex]);
JoinGame(player);
currentGameState = GameState.Playing;
}
private void UpdatePlaying(GameTime gameTime)
{
for (int i = 0; i < gameObjects.Count; i++)
{
gameObjects[i].Update(gameTime);
if (gameObjects[i].Dead)
{
if (gameObjects[i] is Ball)
{
(gameObjects[i] as Ball).Owner.RemoveBall();
}
if (gameObjects[i] is Block) {
blocksRemaining--;
if (Game1.rand.NextDouble() < powerUpSpawnChance)
SpawnRandomPowerUp(gameObjects[i].Position);
}
gameObjects[i].CleanUp();
gameObjects.RemoveAt(i--);
}
}
if (blocksRemaining <= 0 && levelIndex < levels.Length - 1) {
NextLevel();
}
if (player1 != null && !player1.Alive)
{
player1.Paddle.CleanUp();
gameObjects.Remove(player1.Paddle);
player1 = null;
player2WaitTime = 20.0f;
}
if (player2 != null && !player2.Alive)
{
player2.Paddle.CleanUp();
gameObjects.Remove(player2.Paddle);
player2 = null;
player2WaitTime = 20.0f;
}
if (!APlayerIsAlive())
{
GameOver();
}
DropInPlayer2(gameTime);
}
private void JoinGame(PlayerIndex playerIndex) {
switch (playerIndex)
{
case PlayerIndex.One:
if (player1 == null)
{
Paddle paddle1 = new Paddle(PlayerIndex.One, this, ConvertUnits.ToSimUnits(screenWidth / 2.0f, screenHeight - 100.0f), ConvertUnits.ToSimUnits(150.0f), ConvertUnits.ToSimUnits(21.0f), ConvertUnits.ToSimUnits(screenWidth / 2.0f - sideMargin), world);
gameObjects.Add(paddle1);
player1 = new Player(this, paddle1, PlayerIndex.One);
SpawnBall(player1);
//gameObjects.Add(new Ball(player1, ConvertUnits.ToSimUnits(new Vector2(screenWidth / 2.0f, screenHeight - 400.0f)), ConvertUnits.ToSimUnits(10.0f), world));
}
else {
throw new InvalidOperationException("Player One is already in the game.");
}
break;
case PlayerIndex.Two:
if (player2 == null)
{
Paddle paddle2 = new Paddle(PlayerIndex.Two, this, ConvertUnits.ToSimUnits(screenWidth / 2.0f, screenHeight - 100.0f), ConvertUnits.ToSimUnits(150.0f), ConvertUnits.ToSimUnits(21.0f), ConvertUnits.ToSimUnits(screenWidth / 2.0f - sideMargin), world);
gameObjects.Add(paddle2);
player2 = new Player(this, paddle2, PlayerIndex.Two);
SpawnBall(player2);
//gameObjects.Add(new Ball(player2, ConvertUnits.ToSimUnits(new Vector2(screenWidth / 2.0f, screenHeight - 400.0f)), ConvertUnits.ToSimUnits(10.0f), world));
}
else {
throw new InvalidOperationException("Player Two is already in the game.");
}
break;
default:
break;
}
}