private void StartGame()
{
this.score = 0;
this.modifier = 100;
timerMain.Interval = this.interval;
this.totLines = 0;
level = 1;
grid = new TetrisGrid(gridWidth, gridHeight, scaleX, scaleY);
curBlock = grid.CreateNewBlock(RandomBlock(), gridWidth / 2 - 1, 0);
nextBlock = new TetrisBlock(RandomBlock(), 12, 12, scaleX, scaleY);
timerMain.Start();
}
public TetrisBlock CreateNewBlock(string type, int x, int y)
{
curBlock = new TetrisBlock(type, x, y, scaleX, scaleY);
return curBlock;
}
private void MoveBlockDown()
{
curBlock.MoveDown(dy);
if (grid.IsCollision())
{
if (curBlock.y <= 2)
{
curBlock.MoveUp(dy);
this.Invalidate();
isGameOver = true;
return;
}
curBlock.MoveUp(dy);
grid.AddBlockToGrid();
int lines = grid.ClearLines();
totLines += lines;
score += lines * modifier;
// give a 2x modifier for 3 cleared lines; another 2x for 4 cleared lines
if (lines >= 3)
{
lblBonus.Visible = true;
modifier *= 2;
}
if (lines == 4)
modifier *= 2;
curBlock = grid.CreateNewBlock(nextBlock.type, gridWidth / 2 - 1, 0);
nextBlock = new TetrisBlock(RandomBlock(), 12, 12, scaleX, scaleY);
}
}
public TetrisBlock CreateNewBlock(string type, int x, int y)
{
curBlock = new TetrisBlock(type, x, y, scaleX, scaleY);
return(curBlock);
}