/// <summary>
/// Creates a new instance of ConstrainToRectangleBehavior.
/// </summary>
/// <param name="rectangle">The rectangle within which the actor is to be trapped.</param>
public ConstrainToRectangleBehavior(ActorManager actorManager, Rectangle rectangle,
Physics.Enums.CollisionCategories collisionCategory)
: base(actorManager)
{
this.rectangle = rectangle;
this.collisionCategory = collisionCategory;
}
/// <summary>
/// This creates a new LiveTemporarilyBehavior and sets how long the actor is to live.
/// </summary>
public LiveTemporarilyBehavior(ActorManager actorManager, TimeSpan lifetime, TimeSpan fadeDuration)
: base(actorManager)
{
this.lifetime = lifetime;
this.fadeDuration = fadeDuration;
}
/// <summary>
/// Creates a new ShootOffRandomlyBehavior. The parameters minSpeed and maxSpeed specify the range from which
/// a random speed will be selected.
/// </summary>
/// <param name="actorManager"></param>
public ShootOffRandomlyBehavior(ActorManager actorManager, float minSpeed, float maxSpeed)
: base(actorManager)
{
this.minSpeed = minSpeed;
this.maxSpeed = maxSpeed;
}
const float GravitationalConstant = 9990; // Gravity is an amazingly weak force...
#endregion Fields
#region Constructors
/// <summary>
/// This creates a new instance of InteractWithBlackHolesBehavior.
/// </summary>
public InteractWithBlackHolesBehavior(ActorManager actorManager)
: base(actorManager)
{
}
/// <summary>
/// Creates a new ActorBehavior.
/// </summary>
public ActorBehavior(ActorManager actorManager)
{
this.actorManager = actorManager;
}
/// <summary>
/// Initializes a new instance of DieUponCollisionBehavior.
/// </summary>
public DieUponCollisionBehavior(ActorManager actorManager)
: base(actorManager)
{
}
/// <summary>
/// Creates a new instance of DistortGridBehavior.
/// </summary>
/// <param name="grid">The behavior needs a reference to the grid to distort.</param>
public DistortGridBehavior(ActorManager actorManager, MassSpringGrid grid, DistortGridDetail detail)
: base(actorManager)
{
this.detail = detail;
this.grid = grid;
}
/// <summary>
/// Initializes a new instance of AIPaddleController.
/// </summary>
public AIPaddleController(ActorManager actorManager)
: base(actorManager)
{
randomGen = new Random();
}
/// <summary>
/// Creates a new instance of GamePadPaddleController.
/// </summary>
public GamePadPaddleController(ActorManager actorManager)
: base(actorManager)
{
}
/// <summary>
/// Loads graphics content needed for the game.
/// </summary>
public override void LoadGraphicsContent(bool loadAllContent)
{
if (loadAllContent)
{
if (content == null)
content = new ContentManager(ScreenManager.Game.Services, "Content");
grid = new MassSpringGrid(60, 5f, 100f, 0.5f,
new Rectangle(safeAreaWidth, safeAreaHeight, screenSafeWidth, screenSafeHeight));
actorManager = new ActorManager();
#region Allocate graphics content
spriteBatch = new SpriteBatch(ScreenManager.GraphicsDevice);
lineBatch = new LineBatch(ScreenManager.GraphicsDevice);
starTexture = content.Load<Texture2D>("blank");
Animation countdownAnim = new Animation(content, 300, 100);
countdownAnim.AddFrame(new AnimationFrame(TimeSpan.FromSeconds(2.0f / 3.0f), "ready"));
countdownAnim.AddFrame(new AnimationFrame(TimeSpan.FromSeconds(2.0f / 3.0f), "set"));
countdownAnim.AddFrame(new AnimationFrame(TimeSpan.FromSeconds(2.0f / 3.0f), "go"));
countdownSprite = new Sprite();
countdownSprite.AddAnimation("default", countdownAnim);
countdownSprite.SetCurrentAnimation("default");
#endregion
#region Set up lightning boxes
playerLightningBox = new LightningBox(new Rectangle(safeAreaWidth + 10, screenHeight - safeAreaHeight - 38 - 150, screenSafeWidth - 30, 150));
computerLightningBox = new LightningBox(new Rectangle(safeAreaWidth + 10, safeAreaHeight + 38, screenSafeWidth - 30, 150));
#endregion
#region Collision Categories for physics
// Collision Categories:
//
// 1 = player paddle
// 10 = ball
// 11 = gravity ball
// 12 = obstacle
// 13 = computer paddle
// 14 = bullet
// 20 = screen borders
// 21 = player lightning box
// 22 = borders for obstacles
// 23 = computer lightning box
#endregion
#region Create Player Paddle Actor Template
Actor playerPaddleTemplate = new Actor(ScreenManager.Game,
new ActorBehavior[] { new GamePadPaddleController(actorManager),
new DistortGridBehavior(actorManager, grid, DistortGridDetail.High),
new ConstrainToRectangleBehavior(actorManager, playerLightningBox.Rectangle,
Physics.Enums.CollisionCategories.Cat21) },
content, "paddle", 100, 100 * 0.174089069f);
playerPaddleTemplate.PhysicsBody =
Physics.Dynamics.BodyFactory.Instance.CreateRectangleBody(playerPaddleTemplate.Sprite.Width,
playerPaddleTemplate.Sprite.Height, 1);
playerPaddleTemplate.PhysicsGeom =
Physics.Collisions.GeomFactory.Instance.CreateRectangleGeom(playerPaddleTemplate.PhysicsBody,
playerPaddleTemplate.Sprite.Width, playerPaddleTemplate.Sprite.Height);
playerPaddleTemplate.PhysicsGeom.CollisionCategories = Physics.Enums.CollisionCategories.Cat1;
playerPaddleTemplate.PhysicsGeom.CollidesWith = Physics.Enums.CollisionCategories.Cat1 |
Physics.Enums.CollisionCategories.Cat10 |
Physics.Enums.CollisionCategories.Cat11;
playerPaddleTemplate.PhysicsBody.LinearDragCoefficient = 0.01f;
playerPaddleTemplate.PhysicsBody.RotationalDragCoefficient = 300.0f;
actorManager.AddActorTemplate(playerPaddleTemplate, "Player Paddle");
#endregion
#region Create Computer Paddle Actor Template
Actor computerPaddleTemplate = new Actor(ScreenManager.Game,
new ActorBehavior[] { new DistortGridBehavior(actorManager, grid, DistortGridDetail.High),
new ConstrainToRectangleBehavior(actorManager, computerLightningBox.Rectangle,
Physics.Enums.CollisionCategories.Cat23),
new AIPaddleController(actorManager) },
content, "paddle2", 100, 100 * 0.174089069f);
computerPaddleTemplate.PhysicsBody =
Physics.Dynamics.BodyFactory.Instance.CreateRectangleBody(playerPaddleTemplate.Sprite.Width,
playerPaddleTemplate.Sprite.Height, 1);
computerPaddleTemplate.PhysicsGeom =
Physics.Collisions.GeomFactory.Instance.CreateRectangleGeom(playerPaddleTemplate.PhysicsBody,
playerPaddleTemplate.Sprite.Width, playerPaddleTemplate.Sprite.Height);
computerPaddleTemplate.PhysicsGeom.CollisionCategories = Physics.Enums.CollisionCategories.Cat13;
computerPaddleTemplate.PhysicsGeom.CollidesWith = Physics.Enums.CollisionCategories.Cat13 |
Physics.Enums.CollisionCategories.Cat10 | Physics.Enums.CollisionCategories.Cat11;
computerPaddleTemplate.PhysicsBody.LinearDragCoefficient = 0.01f;
computerPaddleTemplate.PhysicsBody.RotationalDragCoefficient = 300.0f;
actorManager.AddActorTemplate(computerPaddleTemplate, "Computer Paddle");
#endregion
#region Create Obstacle Actor Template
Actor obstacleActorTemplate = new Actor(ScreenManager.Game,
new ActorBehavior[] { new DistortGridBehavior(actorManager, grid, DistortGridDetail.High),
new ConstrainToRectangleBehavior(actorManager, new Rectangle(
computerLightningBox.Rectangle.X,
computerLightningBox.Rectangle.Y + computerLightningBox.Rectangle.Height,
computerLightningBox.Rectangle.Width,
playerLightningBox.Rectangle.Y - (computerLightningBox.Rectangle.Y + computerLightningBox.Rectangle.Height)),
Physics.Enums.CollisionCategories.Cat22),
new ShootOffRandomlyBehavior(actorManager, 300, 350),
new InteractWithBlackHolesBehavior(actorManager) },
content, "obstacle", 45.0f, 45.0f);
obstacleActorTemplate.PhysicsBody =
Physics.Dynamics.BodyFactory.Instance.CreateRectangleBody(obstacleActorTemplate.Sprite.Width,
obstacleActorTemplate.Sprite.Height, 0.001f);
obstacleActorTemplate.PhysicsGeom =
Physics.Collisions.GeomFactory.Instance.CreateRectangleGeom(obstacleActorTemplate.PhysicsBody,
obstacleActorTemplate.Sprite.Width, obstacleActorTemplate.Sprite.Height);
obstacleActorTemplate.PhysicsGeom.CollisionCategories = Physics.Enums.CollisionCategories.Cat12;
obstacleActorTemplate.PhysicsGeom.CollidesWith = Physics.Enums.CollisionCategories.Cat1 |
Physics.Enums.CollisionCategories.Cat10 | Physics.Enums.CollisionCategories.Cat11 |
Physics.Enums.CollisionCategories.Cat12;
obstacleActorTemplate.PhysicsBody.LinearDragCoefficient = 0.0f;
actorManager.AddActorTemplate(obstacleActorTemplate, "Obstacle");
#endregion
#region Create Ball Actor Template
float ballDiameter = 25.0f;
Actor ballTemplate = new Actor(ScreenManager.Game,
new ActorBehavior[] { new DistortGridBehavior(actorManager, grid, DistortGridDetail.High),
new ConstrainToRectangleBehavior(actorManager, new Rectangle(safeAreaWidth, safeAreaHeight, screenSafeWidth, screenSafeHeight),
Physics.Enums.CollisionCategories.Cat20),
new ShootOffRandomlyBehavior(actorManager, 300, 301.0f),
new InteractWithBlackHolesBehavior(actorManager) },
content, "ball", ballDiameter, ballDiameter);
ballTemplate.PhysicsBody =
Physics.Dynamics.BodyFactory.Instance.CreateCircleBody(ballDiameter / 2.0f, 0.001f);
ballTemplate.PhysicsGeom =
Physics.Collisions.GeomFactory.Instance.CreateCircleGeom(ballTemplate.PhysicsBody, ballDiameter / 2.0f, 16);
ballTemplate.PhysicsBody.LinearDragCoefficient = 0.0f;
ballTemplate.PhysicsGeom.CollisionCategories = Physics.Enums.CollisionCategories.Cat10;
ballTemplate.PhysicsGeom.CollidesWith = Physics.Enums.CollisionCategories.Cat1 |
Physics.Enums.CollisionCategories.Cat10 |
Physics.Enums.CollisionCategories.Cat13;
actorManager.AddActorTemplate(ballTemplate, "Ball");
#endregion
#region Create Gravity Ball Actor Template
float gravityBallDiameter = 55.0f;
Actor gravBallTemplate = new Actor(ScreenManager.Game,
new ActorBehavior[] { new BlackHoleBehavior(actorManager, grid),
new ConstrainToRectangleBehavior(actorManager, new Rectangle(safeAreaWidth, safeAreaHeight, screenSafeWidth, screenSafeHeight),
Physics.Enums.CollisionCategories.Cat20),
new LiveTemporarilyBehavior(actorManager, TimeSpan.FromSeconds(2.9f), TimeSpan.FromSeconds(0.5)) },
content, "GravityBall", gravityBallDiameter, 2.0f);
gravBallTemplate.PhysicsBody =
Physics.Dynamics.BodyFactory.Instance.CreateCircleBody(gravityBallDiameter / 2.0f, 3.0f);
gravBallTemplate.PhysicsGeom =
Physics.Collisions.GeomFactory.Instance.CreateCircleGeom(gravBallTemplate.PhysicsBody,
gravityBallDiameter / 2.0f, 16);
gravBallTemplate.PhysicsBody.LinearDragCoefficient = 0.0f;
gravBallTemplate.PhysicsGeom.CollisionCategories = Physics.Enums.CollisionCategories.Cat11;
gravBallTemplate.PhysicsGeom.CollidesWith = Physics.Enums.CollisionCategories.Cat11 |
Physics.Enums.CollisionCategories.Cat10 | Physics.Enums.CollisionCategories.Cat1 |
Physics.Enums.CollisionCategories.Cat13;
actorManager.AddActorTemplate(gravBallTemplate, "Gravity Ball");
#endregion
#region Create Bullet Actor Template
float bulletDiameter = 5.0f;
Actor bulletTemplate = new Actor(ScreenManager.Game,
new ActorBehavior[] { new ConstrainToRectangleBehavior(actorManager, new Rectangle(safeAreaWidth, safeAreaHeight, screenSafeWidth, screenSafeHeight),
Physics.Enums.CollisionCategories.Cat20),
new DieUponCollisionBehavior(actorManager),
new InteractWithBlackHolesBehavior(actorManager) },
content, "projectile", bulletDiameter, bulletDiameter);
bulletTemplate.PhysicsBody =
Physics.Dynamics.BodyFactory.Instance.CreateCircleBody(bulletDiameter / 2.0f, 0.001f);
bulletTemplate.PhysicsGeom =
Physics.Collisions.GeomFactory.Instance.CreateCircleGeom(bulletTemplate.PhysicsBody, bulletDiameter / 2.0f, 16);
bulletTemplate.PhysicsBody.LinearDragCoefficient = 0.0f;
bulletTemplate.PhysicsGeom.CollisionCategories = Physics.Enums.CollisionCategories.Cat14;
bulletTemplate.PhysicsGeom.CollidesWith = Physics.Enums.CollisionCategories.Cat1 |
Physics.Enums.CollisionCategories.Cat10 | Physics.Enums.CollisionCategories.Cat11 |
Physics.Enums.CollisionCategories.Cat12 | Physics.Enums.CollisionCategories.Cat13;
actorManager.AddActorTemplate(bulletTemplate, "Bullet");
#endregion
#region Place basic gameplay objects
playerPaddle = actorManager.InstantiateTemplate("Player Paddle");
playerPaddle.PhysicsBody.Position = new Vector2(safeAreaWidth + screenSafeWidth / 2.0f, screenHeight - safeAreaHeight - 38 - 150 / 2);
computerPaddle = actorManager.InstantiateTemplate("Computer Paddle");
computerPaddle.PhysicsBody.Position = new Vector2(safeAreaWidth + screenSafeWidth / 2.0f, safeAreaHeight + 38 + 150 / 2);
ball = actorManager.InstantiateTemplate("Ball");
ball.PhysicsBody.Position = new Vector2(safeAreaWidth + screenSafeWidth / 2, safeAreaHeight + screenSafeHeight / 2);
PauseBallForNewRound();
ShootOffRandomlyBehavior shootOffBehavior = (ShootOffRandomlyBehavior)ball.GetBehavior(typeof(ShootOffRandomlyBehavior));
shootOffBehavior.JustStarting = false;
AIPaddleController ai = (AIPaddleController)computerPaddle.GetBehavior(typeof(AIPaddleController));
ai.Ball = ball;
PopulateArenaWithObstacles();
#endregion
}
// Set the projection matrix for the line batch
lineBatch.SetProjection(Matrix.CreateOrthographicOffCenter(
0.0f, ScreenManager.GraphicsDevice.Viewport.Width,
ScreenManager.GraphicsDevice.Viewport.Height, 0.0f, 0.0f, 1.0f));
}
/// <summary>
/// Creates a new instance of BlackHoleBehavior with the specific mass-spring grid.
/// </summary>
public BlackHoleBehavior(ActorManager actorManager, MassSpringGrid grid)
: base(actorManager)
{
this.grid = grid;
}