public void AddSolid( Solid solid )
{
if ( solid == null )
return;
mSolids.Add( solid );
}
public void Cancel()
{
mFace = null;
Started = false;
if ( Game.Input.CheckFocus( mSelectedSolid ) )
Game.Input.Focus = null;
mSelectedSolid = null;
mStartPos = Vector2.Zero;
}
protected void MoveSolid( Solid solid, CompassDirection dir )
{
Face nextFace = AdjacentFace( dir );
var backDir = nextFace.BackwardsDirectionFrom( this );
mSolids.Remove( solid );
solid.World = nextFace.World;
nextFace.mSolids.Add( solid );
Body body = solid.Body;
float pastRotation = body.Rotation;
body.Rotation += nextFace.Rotation;
body.AdHocGravity = Vector2.UnitY.Rotate( -body.Rotation ).Rounded();
body.Awake = true;
body.Position = body.Position.Rotate( pastRotation - body.Rotation );
body.LinearVelocity = body.LinearVelocity.Rotate( pastRotation - body.Rotation );
}
private IEnumerable<CompassDirection> ClampSolid( Solid solid )
{
Vector2 pos = solid.Body.Position.ToPixels();
if ( pos.X > WIDTH )
{
solid.Body.Position = new Vector2( WIDTH, pos.Y ).ToUnits();
var dir = VectorToDirection( Vector3.UnitX );
if ( dir != null )
yield return dir.Value;
}
else if ( pos.X < 0 )
{
solid.Body.Position = new Vector2( 0, pos.Y ).ToUnits();
var dir = VectorToDirection( -Vector3.UnitX );
if ( dir != null )
yield return dir.Value;
}
if ( pos.Y > HEIGHT )
{
solid.Body.Position = new Vector2( pos.X, HEIGHT ).ToUnits();
var dir = VectorToDirection( Vector3.UnitY );
if ( dir != null )
yield return dir.Value;
}
else if ( pos.Y < 0 )
{
solid.Body.Position = new Vector2( pos.X, 0 ).ToUnits();
var dir = VectorToDirection( -Vector3.UnitY );
if ( dir != null )
yield return dir.Value;
}
}
public void RemoveSolid( Solid solid )
{
mSolids.Remove( solid );
World.RemoveBody( solid.Body );
}
public void Start( EditableCube.Face face, Vector2 mousePos, GameTime gameTime )
{
Solid selectedSolid = face.FindSolidAt( mousePos.ToUnits() );
if ( selectedSolid != mSelectedSolid )
Cancel();
if ( selectedSolid != null )
{
mFace = face;
Started = true;
mStartPos = mousePos;
mSelectedSolid = selectedSolid;
mOriginalPos = mSelectedSolid.Position;
Game.Input.Focus = mSelectedSolid;
}
}
