// rotate the block
public void Rotate(Blocks nowBlock, PictureBox[,] allBlocks)
{
if (nowBlock != null && nowBlock.GetBlocksType() != "O")
{
Point center = ConvertIndexToPoint(nowBlock.GetCenter().Name);
Point[] AllBlocksIndex = nowBlock.GetAllCubesPosition();
PictureBox[] AllBlocksPosition = nowBlock.GetAllCubes();
System.Drawing.Color nowColor = AllBlocksPosition[0].BackColor;
Panel panelOnShow = tv.GetPanel1();
if (nowBlock.GetNowState() != States.Stop)
{
for (int i = 0; i < AllBlocksIndex.Length; i++)
{
int x = AllBlocksIndex[i].Gety() - center.Gety();
int y = AllBlocksIndex[i].Getx() - center.Getx();
// if result calculated is out of range then throw exception
if (center.Getx() - x < 0 || center.Getx() - x > 8 || center.Gety() + y < 0 || center.Gety() + y > 12)
{
throw new Exception();
}
}
// calculate new position of block rotated, and change the back color of picturebox in origin position
for (int i = 0; i < AllBlocksIndex.Length; i++)
{
int x = AllBlocksIndex[i].Gety() - center.Gety();
int y = AllBlocksIndex[i].Getx() - center.Getx();
AllBlocksIndex[i].Setx(center.Getx() - x);
AllBlocksIndex[i].Sety(center.Gety() + y);
AllBlocksPosition[i].BackColor = panelOnShow.BackColor;
}
// store new index of cubes in picturebox metrix
nowBlock.SetAllCubesPosition(AllBlocksIndex);
// change the back color of picturebox in new position to block color
for (int i = 0; i < AllBlocksPosition.Length; i++)
{
// if out of range then throw exception
if (i < 0 || i >= AllBlocksPosition.Length || i >= AllBlocksIndex.Length)
{
throw new Exception();
}
AllBlocksPosition[i] = allBlocks[AllBlocksIndex[i].Gety(), AllBlocksIndex[i].Getx()];
AllBlocksPosition[i].BackColor = nowColor;
}
//store new position of picture box in picturebox metrix
nowBlock.SetAllCubes(AllBlocksPosition);
//modify the center of block
nowBlock.SetCenter(AllBlocksPosition[1]);
}
}
}
// move the block left
public void MoveLeft(Blocks nowBlock)
{
if (nowBlock != null)
{
PictureBox[,] allBlocks = tv.GetAllBlocks();
Point[] nowBlockIndex = nowBlock.GetAllCubesPosition();
PictureBox[] nowBlockPosition = nowBlock.GetAllCubes();
System.Drawing.Color nowColor = nowBlockPosition[0].BackColor;
Panel panelOnShow = tv.GetPanel1();
if (nowBlock.GetNowState() != States.Stop)
{
for (int i = 0; i < nowBlockIndex.Length; i++)
{
//avoid to move out of range
int x = nowBlockIndex[i].Getx();
if (x <= 0)
{
throw new Exception();
}
int y = nowBlockIndex[i].Gety();
//avoid to touch the existed block
if (allBlocks[y, x - 1].BackColor != panelOnShow.BackColor && allBlocks[y, x - 1].BackColor != allBlocks[y, x].BackColor && !nowBlockPosition.Contains <PictureBox>(allBlocks[y, x - 1]))
{
throw new Exception();
}
}
//set the color of origin block to background color
//compute the new position of block
for (int i = 0; i < nowBlockIndex.Length; i++)
{
nowBlockPosition[i].BackColor = panelOnShow.BackColor;
nowBlockIndex[i].Setx(nowBlockIndex[i].Getx() - 1);
}
//modify position of block
for (int i = 0; i < nowBlockPosition.Length; i++)
{
if (nowBlockIndex[i].Gety() < 0 || nowBlockIndex[i].Gety() > 12 || nowBlockIndex[i].Getx() < 0 || nowBlockIndex[i].Getx() > 8)
{
throw new Exception();
}
nowBlockPosition[i] = allBlocks[nowBlockIndex[i].Gety(), nowBlockIndex[i].Getx()];
nowBlockPosition[i].BackColor = nowColor;
}
// set new info. in every store unit
nowBlock.SetAllCubes(nowBlockPosition);
nowBlock.SetCenter(nowBlockPosition[1]);
}
}
}