public bool Intersects(FloatRect f)
{
if (right <= f.Left || left >= f.Right || top >= f.bottom || bottom <= f.Top)
return false;
else
return true;
}
public void UpdateCollision(ref Entity e)
{
FloatRect rect = new FloatRect(position.X, position.Y, Layer.TileDimensions.X, Layer.TileDimensions.Y);
if (e.OnTile && containsEntity)
{
if (!e.SyncTilePosition)
{
e.Position += velocity;
e.SyncTilePosition = true;
}
if (e.Rect.Right < rect.Left || e.Rect.Left > rect.Right || e.Rect.Bottom != rect.Top)
{
e.OnTile = false;
containsEntity = false;
e.ActivateGravity = true;
}
}
if (e.Rect.Intersects(rect) && state == State.Solid)
{
FloatRect preve = new FloatRect(e.PrevPosition.X, e.PrevPosition.Y, e.Animation.FrameWidth, e.Animation.FrameHeight);
FloatRect prevTile = new FloatRect(prevPosition.X, prevPosition.Y, Layer.TileDimensions.X, Layer.TileDimensions.Y);
if (e.Rect.Bottom >= rect.Top && preve.Bottom <= prevTile.Top) //if bottom of player is lower than top of tile and prev player bottom was above prev tile top
{
e.Position = new Vector2(e.Position.X, position.Y - e.Animation.FrameHeight);
e.ActivateGravity = false;
e.OnTile = true;
containsEntity = true;
}
else if (e.Rect.Top <= rect.Bottom && preve.Top >= prevTile.Bottom)
{
e.Position = new Vector2(e.Position.X, position.Y + Layer.TileDimensions.Y);
e.Velocity = new Vector2(e.Velocity.X, 0);
e.ActivateGravity = true;
}
else if(e.Rect.Right >= rect.Left && preve.Right <= prevTile.Left)
{
e.Position = new Vector2(position.X - e.Animation.FrameWidth, e.Position.Y);
e.Direction = (e.Direction == 1) ? e.Direction = 2 : e.Direction = 1;
}
else if(e.Rect.Left <= rect.Right && preve.Left >= prevTile.Left)
{
e.Position = new Vector2(position.X + Layer.TileDimensions.X, e.Position.Y);
e.Direction = (e.Direction == 1) ? e.Direction = 2 : e.Direction = 1;
}
}
e.Animation.Position = e.Position;
}