/// <summary>
/// Controleert of we de onderkant raken van de static sprite
/// </summary>
/// <param name="staticObject">static collision object</param>
/// <param name="movingCollision">bewegend collision object</param>
/// <returns>returned true als het bewegend object de onderkant van het static object aanraakt</returns>
private bool IsTouchingBottom(ICollide staticObject, IMovingCollide movingCollision)
{
return(movingCollision.CollisionRectangle.Top + movingCollision.Velocity.Y < staticObject.CollisionRectangle.Bottom &&
movingCollision.CollisionRectangle.Bottom > staticObject.CollisionRectangle.Bottom &&
movingCollision.CollisionRectangle.Right > staticObject.CollisionRectangle.Left &&
movingCollision.CollisionRectangle.Left < staticObject.CollisionRectangle.Right);
}
/// <summary>
/// Controleert of we de rechterkant van de static sprite aanraken
/// </summary>
/// <param name="staticObject">static collision object</param>
/// <param name="movingCollision">bewegend collision object</param>
/// <returns>returned true als het bewegend object de rechterkant van het static object aanraakt</returns>
private bool IsTouchingRight(ICollide staticObject, IMovingCollide movingCollision)
{
return(movingCollision.CollisionRectangle.Left + movingCollision.Velocity.X < staticObject.CollisionRectangle.Right &&
movingCollision.CollisionRectangle.Right > staticObject.CollisionRectangle.Right &&
movingCollision.CollisionRectangle.Bottom > staticObject.CollisionRectangle.Top &&
movingCollision.CollisionRectangle.Top < staticObject.CollisionRectangle.Bottom);
}
/// <summary>
/// Reset alle booleans van het bewegend collision object
/// </summary>
/// <param name="movingCollide">collision object dat beweegt</param>
private static void ResetState(IMovingCollide movingCollide)
{
movingCollide.TouchingGround = false;
movingCollide.TouchingTop = false;
movingCollide.TouchingLeft = false;
movingCollide.TouchingRight = false;
}
/// <summary>
/// Kijkt of een enemy iets heeft aangeraakt
/// </summary>
/// <param name="collideObjects">Lijst met alle objecten waar we mee kunnen colliden</param>
/// <param name="movingCollide">object dat kan colliden en beweegt</param>
private static void DetectEnemy(List <ICollide> collideObjects, IMovingCollide movingCollide)
{
foreach (Enemy currentEnemy in collideObjects.OfType <Enemy>().ToList())
{
if (movingCollide is Hero && movingCollide.CollisionRectangle.Intersects(currentEnemy.CollisionRectangle))
{
currentEnemy.TouchedHero = true;
}
if (movingCollide is Projectile && movingCollide.CollisionRectangle.Intersects(currentEnemy.CollisionRectangle))
{
movingCollide.TouchingLeft = true;
currentEnemy.IsHit = true;
}
}
}
/// <summary>
/// Update de movement voor een bewegend collision object
/// </summary>
/// <param name="movingCollision">bewegend object dat kan colliden</param>
public override void Update(IMovingCollide movingCollision)
{
if (movingCollision.TouchingGround)
{
movingCollision.ChangeVelocity(null, 0);
}
if (movingCollision.TouchingLeft)
{
if (movingCollision.CurrentCollisionBlock is IMoveBlock)
{
movingCollision.ChangePosition(movingCollision.Position.X + movingCollision.MovingSpeed + movingCollision.CurrentCollisionBlock.MovingSpeed, null);
}
else
{
movingCollision.ChangePosition(movingCollision.Position.X + movingCollision.MovingSpeed, null);
}
movingCollision.ChangeVelocity(0, null);
}
if (movingCollision.TouchingRight)
{
if (movingCollision.CurrentCollisionBlock is IMoveBlock)
{
movingCollision.ChangePosition(movingCollision.Position.X - movingCollision.MovingSpeed - movingCollision.CurrentCollisionBlock.MovingSpeed, null);
}
else
{
movingCollision.ChangePosition(movingCollision.Position.X - movingCollision.MovingSpeed, null);
}
movingCollision.ChangeVelocity(0, null);
}
if (movingCollision.TouchingTop)
{
movingCollision.ChangeVelocity(null, 0.1f);
}
ReadButtonInput(movingCollision);
if (movingCollision.Velocity.Y != 0)
{
movingCollision.ChangeVelocity(null, movingCollision.Velocity.Y + 0.2f);
}
movingCollision.Position += movingCollision.Velocity;
if (!movingCollision.TouchingGround && movingCollision.Velocity.Y == 0)
{
movingCollision.ChangeVelocity(null, 0.2f);
}
}
/// <summary>
/// Leest de input van de ingedrukte knoppen
/// </summary>
/// <param name="movingCollide">het bewegend collision object</param>
private void ReadButtonInput(IMovingCollide movingCollide)
{
KeyboardState stateKey = Keyboard.GetState();
if (stateKey.IsKeyUp(Keys.Right))
{
Right = false;
movingCollide.ChangeVelocity(0, null);
}
if (stateKey.IsKeyUp(Keys.Left))
{
Left = false;
movingCollide.ChangeVelocity(0, null);
}
if (stateKey.IsKeyDown(Keys.Left) && Right != true)
{
Left = true;
movingCollide.ChangeVelocity(-movementSpeed, null);
}
if (stateKey.IsKeyDown(Keys.Up) && movingCollide.Velocity.Y == 0)
{
movingCollide.ChangeVelocity(null, -8);
Jump = true;
}
if (stateKey.IsKeyUp(Keys.Up))
{
Jump = false;
}
if (stateKey.IsKeyDown(Keys.Space))
{
Attack = true;
}
if (stateKey.IsKeyUp(Keys.Space))
{
Attack = false;
}
if (stateKey.IsKeyDown(Keys.Right) && Left != true)
{
Right = true;
movingCollide.ChangeVelocity(movementSpeed, null);
}
}
/// <summary>
/// Controleert of we een static block hebben aangeraakt
/// </summary>
/// <param name="collideObjects">Lijst met alle objecten waar we mee kunnen colliden</param>
/// <param name="movingCollide">object dat kan colliden en beweegt</param>
private void DetectStaticBlocks(List <ICollide> collideObjects, IMovingCollide movingCollide)
{
foreach (ICollide currentBlock in collideObjects.OfType <StaticBlock>())
{
if (currentBlock is ICollectable || currentBlock is IDeathBlock || movingCollide is IDeathBlock)
{
continue;
}
if (movingCollide.Velocity.X > 0 && IsTouchingLeft(currentBlock, movingCollide))
{
if (currentBlock is IMoveBlock)
{
movingCollide.CurrentCollisionBlock = (IMoveBlock)currentBlock;
}
else
{
movingCollide.CurrentCollisionBlock = null;
}
movingCollide.TouchingRight = true;
}
if (movingCollide.Velocity.X < 0 && IsTouchingRight(currentBlock, movingCollide))
{
if (currentBlock is IMoveBlock)
{
movingCollide.CurrentCollisionBlock = (IMoveBlock)currentBlock;
}
else
{
movingCollide.CurrentCollisionBlock = null;
}
movingCollide.TouchingLeft = true;
}
if (movingCollide.Velocity.Y > 0 && IsTouchingTop(currentBlock, movingCollide))
{
movingCollide.TouchingGround = true;
}
if (movingCollide.Velocity.Y < 0 && IsTouchingBottom(currentBlock, movingCollide))
{
movingCollide.TouchingTop = true;
}
}
}
/// <summary>
/// Kijkt of er een collision gebeurt
/// </summary>
/// <param name="collideObjects">Lijst met elk object dat kan colliden</param>
/// <param name="movingCollision">bewegend object dat kan colliden</param>
public void CollisionDetect(List <ICollide> collideObjects, IMovingCollide movingCollision)
{
ResetState(movingCollision);
if (movingCollision is Hero)
{
DetectHeroDeath(collideObjects, (IDie)movingCollision);
}
DetectStaticBlocks(collideObjects, movingCollision);
DetectEnemy(collideObjects, movingCollision);
if (movingCollision is Hero)
{
DetectCollectable(collideObjects, (ICanCollect)movingCollision);
}
if (movingCollision is Enemy)
{
DetectInvisibleBlock(collideObjects, (Enemy)movingCollision);
}
if (movingCollision is IDeathBlock)
{
DetectInvisibleBlockForProjectiles(collideObjects, movingCollision);
}
}
abstract public void Update(IMovingCollide hero);
/// <summary>
/// Detecteert onzichtbare blokken voor de projectielen
/// </summary>
/// <param name="collideObjects">Lijst met elk object dat kan colliden</param>
/// <param name="movingCollide">bewegend object dat kan colliden</param>
private static void DetectInvisibleBlockForProjectiles(List <ICollide> collideObjects, IMovingCollide movingCollide)
{
foreach (IInvisible invisibleBlock in collideObjects.OfType <IInvisible>())
{
if (movingCollide.CollisionRectangle.Intersects(invisibleBlock.CollisionRectangle))
{
movingCollide.TouchingGround = true;
}
}
}