public void HandleCollisions(Layer layer)
{
foreach (Tile tile in layer.Tiles)
{
if (BBox.Intersects(tile.BBox))
{
Vector2 depth = RectangleExtensions.GetIntersectionDepth(BBox, tile.BBox);
Position.X += depth.X;
Velocity.X = -Velocity.X;
}
}
}
/// <summary>
/// Handle all the collisons for the player
/// </summary>
/// <param name="layer">The current layer the player is on</param>
private void HandleCollisions(Layer layer)
{
bool onTile = false ;
foreach(Tile tile in layer.Tiles)
{
if (BBox.Intersects(tile.BBox))
{
Vector2 depth = RectangleExtensions.GetIntersectionDepth(BBox, tile.BBox);
if (Underneath(tile))
{
Position.Y += depth.Y;
Velocity.Y = 0;
}
else if (OntopOf(tile))
{
// We need to allow the player to glide across the top.
Jumping = false;
if (depth.Y < 0)
{
Position.Y += depth.Y;
Velocity.Y = 0;
onTile = true;
}
}
else
{
Position.X += depth.X;
Velocity.X = 0;
}
}
}
if (!onTile)
{
// Handle gravity
if (Velocity.Y > Constants.MAX_FALL)
{
Velocity.Y = Constants.MAX_FALL;
}
else
{
Velocity.Y++;
}
}
foreach (Enemy enemy in layer.Enemies)
{
if(BBox.Intersects(enemy.BBox))
{
alive = false;
}
}
if (layer.goal != null)
{
if (BBox.Intersects(layer.goal.BBox))
{
Vector2 depth = RectangleExtensions.GetIntersectionDepth(BBox, layer.goal.BBox);
Vector2 absDepth = new Vector2(Math.Abs(depth.X), Math.Abs(depth.Y));
if (absDepth.X > 50 && absDepth.Y > 50)
{
atGoal = true;
}
}
}
}
/// <summary>
/// Allows the game component to update itself.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
public void Update(GameTime gameTime, Layer layer)
{
Position += Velocity;
// Check bounding velocities
if (Velocity.X > Constants.MAX_SPEED)
{
Velocity.X = Constants.MAX_SPEED;
}
if (Velocity.X < -Constants.MAX_SPEED)
{
Velocity.X = -Constants.MAX_SPEED;
}
if(Position.Y > 1000)
{
alive = false;
}
HandleCollisions(layer);
base.Update(gameTime);
}
/// <summary>
/// Allows the game component to update itself.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
public void Update(GameTime gameTime, Layer layer)
{
HandleCollisions(layer);
Position += Velocity;
base.Update(gameTime);
}
