public Vector2 CheckCollision(World world, GeometryType ignore)
{
float xMove = 0;
GeometryBox collisionBox = new GeometryBox();
collisionBox.rect = _bbox;
if (world.Collides(_bbox, ignore, collisionBox, out collisionBox)) {
xMove = 5 * Math.Sign(_bbox.X - collisionBox.rect.X);
}
_position += new Vector2(xMove, 0);
_bbox.X += (int)xMove;
return new Vector2(xMove, 0);
}
public Vector2 MoveTo(Vector2 position, World world, out int hcol, out int vcol, GeometryType ignore)
{
Vector2 delta = position - _position;
hcol = 0;
vcol = 0;
while (delta.LengthSquared() > 0.1f) {
float dX = Math.Sign(delta.X);
if (Math.Abs(delta.X) < 1) dX = delta.X;
delta.X -= dX;
float dY = Math.Sign(delta.Y);
if (Math.Abs(delta.Y) < 1) dY = delta.Y;
delta.Y -= dY;
_bbox.X += (int)Math.Round(dX);
if (world.Collides(_bbox, ignore)) {
_bbox.X -= (int)Math.Round(dX);
hcol = Math.Sign(dX);
delta.X = 0;
dX = 0;
}
_position.X += dX;
_bbox.Y += (int)Math.Round(dY);
if (world.Collides(_bbox, ignore)) {
_bbox.Y -= (int)Math.Round(dY);
vcol = Math.Sign(dY);
delta.Y = 0;
dY = 0;
}
_position.Y += dY;
}
return _position;
}