private void Spawn(Utility.Timer timer)
{
if (nextPiece == null)
{
nextPiece = getRandomTetrisPiece();
}
currentPiece = nextPiece;
currentPieceMaxLen = Math.Max(currentPiece.shape.GetLength(0), currentPiece.shape.GetLength(1));
currentPiece.body.Position = getSpawnPosition();
currentPieceCollide = new OnCollisionEventHandler(currentPieceCollision);
currentPieceSeparate = new OnSeparationEventHandler(currentPieceSeparation);
currentPiece.body.OnCollision += currentPieceCollide;
currentPiece.body.OnSeparation += currentPieceSeparate;
currentPieceRotation = JointFactory.CreateFixedAngleJoint(_world, currentPiece.body);
pieces.Add(currentPiece);
activePieces.Add(currentPiece);
currentCheat = null;
--countdownToCheat;
if (countdownToCheat < 0)
{
currentCheat = new TetrisPiece(_world, tetrisTextures[2], tetrisShapes[2], currentPiece.body.WorldCenter + new Vector2(1, -2));
currentCheat.body.FixedRotation = true;
currentCheat.body.Rotation = (float)Math.PI / 2;
currentCheat.body.OnCollision += currentPieceCollide;
currentCheat.body.OnSeparation += currentPieceSeparate;
JointFactory.CreateRevoluteJoint(_world, currentCheat.body, currentPiece.body, currentPiece.body.LocalCenter);
pieces.Add(currentCheat);
activePieces.Add(currentCheat);
countdownToCheat = 5;
}
currentPiece.body.Enabled = true;
if(currentCheat!=null) currentCheat.body.Enabled = true;
nextPiece = getRandomTetrisPiece();
//Debug.Print("Spawn new tetris piece at: {0}, {1}", currentPiece.body.Position.X, currentPiece.body.Position.Y);
}
public void DrawTetrisPiece(TetrisPiece piece, Color color)
{
Matrix mat = Matrix.CreateRotationZ(piece.body.Rotation) * Matrix.CreateTranslation(new Vector3(piece.body.Position, 0.0f));
GraphicsDevice.SamplerStates[0] = SamplerState.AnisotropicClamp;
GraphicsDevice.BlendState = BlendState.AlphaBlend;
effect.Parameters["Projection"].SetValue(Matrix.CreateOrthographicOffCenter(0, GraphicsDevice.Viewport.Width, GraphicsDevice.Viewport.Height, 0, 0, 1));
//effect.Parameters["View"].SetValue(mat);
effect.Parameters["World"].SetValue(Matrix.Identity);
effect.Parameters["BasicTexture"].SetValue(piece.texture);
effect.CurrentTechnique.Passes[0].Apply();
bool wrapL = piece.body.Position.X < Game1.worldWidthInBlocks/2 + Game1.worldDuplicateBorder;
bool wrapR = piece.body.Position.X > Game1.worldWidthInBlocks/2 - Game1.worldDuplicateBorder;
for (int i = -1; i <= 1; i++)
{
if (i == -1 && !wrapL) continue;
if (i == 1 && !wrapR) continue;
Matrix off = Matrix.CreateTranslation(new Vector3(-0.5f, -0.5f, 0));
effect.Parameters["View"].SetValue(off * mat * Matrix.CreateTranslation(new Vector3(-i * Game1.worldWidthInBlocks, 0, 0)) * cameraMatrix);
effect.CurrentTechnique.Passes[0].Apply();
int maxX = piece.shape.GetLength(1) + 1;
int maxY = piece.shape.GetLength(0) + 1;
Vertices v = new Vertices(new Vector2[] { new Vector2(0, 0), new Vector2(maxX, 0), new Vector2(maxX, maxY), new Vector2(0, maxY) });
DrawPolygon(color, 1.0f / 5.0f, v);
Flush();
}
}
private void dropCurrentPiece()
{
if (currentPiece != null)
{
if (isCurrentPieceBlocked())
{
currentPiece.body.Position = getSpawnPosition();
}
else
{
currentPiece.body.LinearVelocity = Vector2.Zero;
currentPiece.body.ResetDynamics();
currentPiece.body.OnCollision -= currentPieceCollide;
currentPiece.body.OnSeparation -= currentPieceSeparate;
if (currentCheat != null)
{
currentCheat.body.OnCollision -= currentPieceCollide;
currentCheat.body.OnSeparation -= currentPieceSeparate;
}
if (currentPieceRotation != null)
{
_world.RemoveJoint(currentPieceRotation);
currentPieceRotation = null;
}
currentPiece = null;
currentPieceCollide = null;
currentCheat = null;
Game1.Timers.Create(SPAWN_TIME, false, Spawn);
}
}
}
public void DrawTetrisPiece(TetrisPiece piece)
{
DrawTetrisPiece(piece, Color.White);
}