public ShapeJ(int xPosition, int yPosition, ShapeRotation rotation = ShapeRotation.Zero) : base(xPosition, yPosition, _color, rotation)
{
_shape = new[, ]
{
{ true, false, false },
{ true, true, true },
{ false, false, false }
};
}
public bool[,] GetShapeRotated(ShapeRotation rotation)
{
var rotatedWidth = Height;
var rotatedHeight = Width;
bool[,] result;
switch (rotation)
{
case ShapeRotation.Zero:
return((bool[, ])Shape.Clone());
case ShapeRotation.OneEighty:
result = new bool[Height, Width];
for (var y = 0; y < Height; y++)
{
for (var x = 0; x < Width; x++)
{
var resultX = Width - x - 1;
var resultY = Height - y - 1;
result[resultY, resultX] = Shape[y, x];
}
}
return(result);
case ShapeRotation.TwoSeventy:
result = new bool[rotatedHeight, rotatedWidth];
for (var y = 0; y < Height; y++)
{
for (var x = 0; x < Width; x++)
{
var resultX = y;
var resultY = Width - x - 1;
result[resultY, resultX] = Shape[y, x];
}
}
return(result);
case ShapeRotation.Ninety:
result = new bool[rotatedHeight, rotatedWidth];
for (var y = 0; y < Height; y++)
{
for (var x = 0; x < Width; x++)
{
var resultX = Height - y - 1;
var resultY = x;
result[resultY, resultX] = Shape[y, x];
}
}
return(result);
}
// unreachable
return(null);
}
public void Rotate()
{
if (IsLastRotationState())
{
Rotation = ShapeRotation.Zero;
}
else
{
Rotation++;
}
RotateShape();
}
public Vector2 GetPivotRotated(ShapeRotation rotation)
{
switch (rotation)
{
case ShapeRotation.Zero:
case ShapeRotation.OneEighty:
return(new Vector2(PivotX, PivotY));
case ShapeRotation.Ninety:
case ShapeRotation.TwoSeventy:
var rotatedPivotX = (Height - 1) / 2;
var rotatedPivotY = (Width - 1) / 2;
return(new Vector2(rotatedPivotX, rotatedPivotY));
}
// unreachable
return(new Vector2());
}
private MoveCollisionResponse TryUpdate(Stage stage, Vector2 moveDirection, ShapeRotation newRotation)
{
ApplyStage(stage, BlockColor.None, Position);
var oldRotation = Rotation;
Rotation = newRotation;
var collisionResponse = CanMove(stage, moveDirection);
if (collisionResponse == MoveCollisionResponse.None)
{
Position += moveDirection;
}
else
{
Rotation = oldRotation;
}
ApplyStage(stage, Shape.Color, Position);
return(collisionResponse);
}
protected RotatableShape(int xPosition, int yPosition, ShapeColor color, ShapeRotation rotation = ShapeRotation.Zero) : base(xPosition, yPosition, color)
{
Rotation = rotation;
}
