public void CollidesWith(RectangleF boundingBox, Action<CollisionInfo> onCollision)
{
var sx = (int)(boundingBox.Left / CellWidth);
var sy = (int)(boundingBox.Top / CellHeight);
var ex = (int)((boundingBox.Right / CellWidth) + 1);
var ey = (int)((boundingBox.Bottom / CellHeight) + 1);
for (var y = sy; y < ey; y++)
{
for (var x = sx; x < ex; x++)
{
if (GetDataAt(x, y) == 0)
continue;
var cellRectangle = GetCellRectangle(x, y);
var intersectingRectangle = RectangleF.Intersect(cellRectangle.ToRectangleF(), boundingBox);
if (intersectingRectangle.IsEmpty)
continue;
var collisionInfo = new CollisionInfo
{
Row = y,
Column = x,
IntersectingRectangle = intersectingRectangle,
CellRectangle = cellRectangle
};
onCollision(collisionInfo);
}
}
}
private CollisionInfo GetCollisionInfo(ICollidable first, ICollidable second, RectangleF intersectingRectangle)
{
var info = new CollisionInfo
{
Other = second
};
if (intersectingRectangle.Width < intersectingRectangle.Height)
{
var d = first.BoundingBox.Center.X < second.BoundingBox.Center.X ? intersectingRectangle.Width : -intersectingRectangle.Width;
info.PenetrationVector = new Vector2(d, 0);
}
else
{
var d = first.BoundingBox.Center.Y < second.BoundingBox.Center.Y ? intersectingRectangle.Height : -intersectingRectangle.Height;
info.PenetrationVector = new Vector2(0, d);
}
return info;
}
private CollisionInfo GetCollisionInfo(ICollidable first, ICollidable second, RectangleF intersectingRectangle)
{
var info = new CollisionInfo
{
Other = second
};
if (intersectingRectangle.Width < intersectingRectangle.Height)
{
var d = first.BoundingBox.Center.X < second.BoundingBox.Center.X
? intersectingRectangle.Width
: -intersectingRectangle.Width;
info.PenetrationVector = new Vector2(d, 0);
}
else
{
var d = first.BoundingBox.Center.Y < second.BoundingBox.Center.Y
? intersectingRectangle.Height
: -intersectingRectangle.Height;
info.PenetrationVector = new Vector2(0, d);
}
return(info);
}
public void OnCollision(CollisionInfo c)
{
Position -= c.PenetrationVector;
Velocity = Vector2.Zero;
//if (c.PenetrationVector.X != 0)
//{
// Position -= c.PenetrationVector;
// Velocity = new Vector2(0, Velocity.Y);
//}
//else
//{
// if (Velocity.Y > 0)
// IsOnGround = true;
// var d = Position.Y < c.Other.BoundingBox.Center.Y
// ? c.IntersectingRectangle.Height
// : -c.IntersectingRectangle.Height;
// Position = new Vector2(Position.X, Position.Y - d);
// Velocity = new Vector2(Velocity.X, 0);
//}
}
public void OnCollision(CollisionInfo collisionInfo)
{
_target.OnCollision(collisionInfo);
}
public void OnCollision(CollisionInfo collisionInfo)
{
_target.OnCollision(collisionInfo);
}
public void OnCollision(CollisionInfo c)
{
if (c.IntersectingRectangle.Width < c.IntersectingRectangle.Height)
{
var d = Position.X < c.CellRectangle.Center.X
? c.IntersectingRectangle.Width
: -c.IntersectingRectangle.Width;
Position = new Vector2(Position.X - d, Position.Y);
Velocity = new Vector2(0, Velocity.Y);
}
else
{
if (Velocity.Y > 0)
IsOnGround = true;
var d = Position.Y < c.CellRectangle.Center.Y
? c.IntersectingRectangle.Height
: -c.IntersectingRectangle.Height;
Position = new Vector2(Position.X, Position.Y - d);
Velocity = new Vector2(Velocity.X, 0);
}
}
