private void HandleCollisions()
{
int leftTile = (int)Math.Floor((float)bounds.Left / Tile.TILE_SIZE);
int rightTile = (int)Math.Ceiling((float)bounds.Right / Tile.TILE_SIZE) - 1;
int topTile = (int)Math.Floor((float)bounds.Top / Tile.TILE_SIZE);
int bottomTile = (int)Math.Ceiling((float)bounds.Bottom / Tile.TILE_SIZE) - 1;
isOnGround = false;
for (int y = topTile; y <= bottomTile; ++y)
{
for (int x = leftTile; x <= rightTile; ++x)
{
Tile.CollisionType collision = map.getCollisionAtCoordinates(x, y);
if (collision != Tile.CollisionType.Passable)
{
Rectangle tileBounds = map.getTileBounds(x, y);
Vector2 depth = bounds.GetIntersectionDepth(tileBounds);
if (depth != Vector2.Zero)
{
float absDepthX = Math.Abs(depth.X);
float absDepthY = Math.Abs(depth.Y);
if (absDepthY < absDepthX || collision == Tile.CollisionType.Platform)
{
if (previousBottom <= tileBounds.Top && collision != Tile.CollisionType.Spikes)
{
isOnGround = true;
}
if (collision == Tile.CollisionType.Impassable || isOnGround)
{
position = new Vector2(position.X, position.Y + depth.Y);
}
}
else if (collision == Tile.CollisionType.Spikes && absDepthX >= 30 && absDepthY >= 30)
{
isAlive = false;
}
else if (collision == Tile.CollisionType.Impassable)
{
position = new Vector2(position.X + depth.X / 2, position.Y);
}
}
}
}
}
previousBottom = bounds.Bottom;
}
private void HandleCollisions()
{
int leftTile = (int)Math.Floor((float)bounds.Left / Tile.TILE_SIZE);
int rightTile = (int)Math.Ceiling((float)bounds.Right / Tile.TILE_SIZE) - 1;
int topTile = (int)Math.Floor((float)bounds.Top / Tile.TILE_SIZE);
int bottomTile = (int)Math.Ceiling((float)bounds.Bottom / Tile.TILE_SIZE) - 1;
isOnGround = false;
for (int y = topTile; y <= bottomTile; ++y)
{
for (int x = leftTile; x <= rightTile; ++x)
{
Tile.CollisionType collision = map.getCollisionAtCoordinates(x, y);
if (y == topTile + 1 && x == leftTile + 1)
{
//Console.WriteLine("bounce");
if (collision == Tile.CollisionType.Impassable)
{
velocity.Y = -Math.Abs(velocity.Y) * 1f;
}
}
if (collision != Tile.CollisionType.Passable)
{
Rectangle tileBounds = map.getTileBounds(x, y);
Vector2 depth = bounds.GetIntersectionDepth(tileBounds);
if (depth != Vector2.Zero)
{
float absDepthX = Math.Abs(depth.X);
float absDepthY = Math.Abs(depth.Y);
if (absDepthY < absDepthX || collision == Tile.CollisionType.Platform)
{
if (previousBottom <= tileBounds.Top)
{
isOnGround = true;
}
if (collision == Tile.CollisionType.Impassable || isOnGround)
{
position = new Vector2(position.X, position.Y + depth.Y);
position = new Vector2(position.X + depth.X / 2, position.Y);
if (velocity.X > 0)
{
velocity.X = -Math.Abs(velocity.X) * 0.5f;
}
else if (velocity.X < 0)
{
velocity.X = Math.Abs(velocity.X) * 0.5f;
}
}
}
else if (collision == Tile.CollisionType.Impassable)
{
position = new Vector2(position.X + depth.X / 2, position.Y);
if (velocity.X > 0)
{
velocity.X = -Math.Abs(velocity.X) * 0.5f;
}
else if (velocity.X < 0)
{
velocity.X = Math.Abs(velocity.X) * 0.5f;
}
}
}
}
}
}
previousBottom = bounds.Bottom;
}