// ------------------------------------------------------------------------------------------------------------------
private void GenerateAssets()
{
// generate all needed assets so that I do not need anything else but this script in the project folder
textures = new Texture2D[2];
Color32 cBlack = new Color32(0, 0, 0, 255);
Color32 cWhite = new Color32(255, 255, 255, 255);
Color32 cGrey = new Color32(128, 128, 128, 255);
// create the background
textures[0] = new Texture2D(4, 4, TextureFormat.RGBA32, false);
EdGameUtil.TextureFill(textures[0], cBlack);
EdGameUtil.TextureRect(textures[0], cWhite, 0, 0, 3, 3);
// create the cell/block texture
textures[1] = new Texture2D(CellSize, CellSize, TextureFormat.RGBA32, false);
EdGameUtil.TextureFill(textures[1], cWhite);
EdGameUtil.TextureFillRect(textures[1], cGrey, CellSize / 2 - 2, CellSize / 2 - 2, 4, 4);
EdGameUtil.TextureRect(textures[1], cGrey, 0, 0, CellSize - 1, CellSize - 1);
// apply common texture settings
foreach (Texture2D t in textures)
{
t.wrapMode = TextureWrapMode.Clamp;
t.filterMode = FilterMode.Point;
t.hideFlags = HideFlags.HideAndDontSave;
}
// create the styles
backStyle = new GUIStyle()
{
border = new RectOffset(1, 1, 1, 1), normal = { background = textures[0] }
};
}
private bool IsOverFilledCells(bool below)
{
int ox, oy;
EdGameUtil.CalcCellPos(boardRect, blockPos, CellSize, below, out ox, out oy);
if (below)
{
oy++;
}
for (int x = 0; x < blockWH; x++)
{
for (int y = 0; y < blockWH; y++)
{
if (block[y, x] == 1)
{
// idx can be smaller than 0 for new blocks, which starts above board and idx could
// be bigger than grid.Length because of empty cells reaching below board
int idx = (x + ox) + ((y + oy) * GridWidth);
if (idx >= 0 && idx < grid.Length && grid[idx] >= 0)
{
return(true);
}
}
}
}
return(false);
}
private void RotateBlock()
{
if (blockType == 0)
{
return; // no need to rotate this one
}
Vector2 oldPos = blockPos;
int[,] oldShape = block;
block = EdGameUtil.RotateMatrix(block, blockWH);
// check if rotated while next to a wall and if block is now outside of board
int res = 0;
if ((res = IsOutsideEdge()) != 0)
{
blockPos.x += (res * CellSize);
if (blockType == 1)
{ // this one might have two cells outside of border and need another kick
if (blockPos.x < boardRect.x || blockPos.x + blockWH * CellSize > boardRect.xMax)
{
blockPos.x += (res * CellSize);
}
}
}
// check if over any filled cells now and revert if so
if (IsOverFilledCells(false))
{
blockPos = oldPos;
block = oldShape;
}
}
private void DrawIndicator(Event ev)
{
if (clickAreaRect.Contains(ev.mousePosition))
{
lastMousePos = Event.current.mousePosition;
}
EdGameUtil.DrawTexture(textures[2], pivotPoint, lastMousePos, -360, +360);
}
private void MoveBubble(float dt)
{
bubblePos += moveDir * dt * bubbleMoveSpeed;
// check if should stick to other bubbles
int x, y;
// this is buggy. sometimes a bubble will stop in the air cause not checking for the offset.
Vector2 p = bubblePos;
p = p + (moveDir.normalized * CellSizeHalf);
EdGameUtil.CalcCellPos(boardRect, p, CellSize, true, out x, out y);
if (y >= 0 && y < GridHeight && grid[y * GridWidth + x] >= 0)
{
EdGameUtil.CalcCellPos(boardRect, bubblePos, CellSize, true, out x, out y);
if (y >= GridHeight || y < 0)
{
gameActive = false;
return;
}
if (grid[y * GridWidth + x] < 0)
{
grid[y * GridWidth + x] = bubbleType;
CheckAndBreakCells(x, y, bubbleType);
SelectBubble();
return;
}
}
// bounce bubble off left/right edge
if (bubblePos.x - CellSizeHalf < boardRect.x)
{
bubblePos.x = boardRect.x + CellSizeHalf + 1;
moveDir.x *= -1;
}
else if (bubblePos.x + CellSizeHalf > boardRect.xMax)
{
bubblePos.x = boardRect.xMax - (CellSizeHalf + 1);
moveDir.x *= -1;
}
// stick to top edge
if (bubblePos.y - CellSizeHalf < boardRect.y)
{
bubblePos.y = boardRect.y + CellSizeHalf + 1;
EdGameUtil.CalcCellPos(boardRect, bubblePos, CellSize, true, out x, out y);
if (grid[y * GridWidth + x] < 0)
{
grid[y * GridWidth + x] = bubbleType;
CheckAndBreakCells(x, y, bubbleType);
}
SelectBubble();
}
}
private void CheckAndBreakCells(int sx, int sy, int bubbleType)
{
// check if 3 or more of same colour are touching the newly placed cell
int ox, oy;
List <int> collected = new List <int>();
AddCellToList(collected, sx, sy, bubbleType);
if (collected.Count >= 3)
{
foreach (int i in collected)
{
grid[i] = -1;
EdGameUtil.IndexToXY(GridWidth, i, out ox, out oy);
IncScore(1, new Vector2(ox, oy));
}
// collect all cells attached to walls and ceiling or cells which are
int idx;
for (int x = 0; x < GridWidth; x++)
{
idx = GridWidth + x;
if (grid[idx] >= 0)
{
AddCellToList(collected, x, 0);
}
}
for (int y = 0; y < GridHeight; y++)
{
idx = y * GridWidth;
if (grid[idx] >= 0)
{
AddCellToList(collected, 0, y);
}
idx = y * GridWidth + (GridWidth - 1);
if (grid[idx] >= 0)
{
AddCellToList(collected, GridWidth - 1, y);
}
}
// now run through grid and check what was not collected and remove it
for (int i = 0; i < grid.Length; i++)
{
if (grid[i] >= 0 && !collected.Contains(i))
{
grid[i] = -1;
EdGameUtil.IndexToXY(GridWidth, i, out ox, out oy);
IncScore(2, new Vector2(ox, oy));
}
}
}
}
// ------------------------------------------------------------------------------------------------------------------
private void GenerateAssets()
{
// generate all needed assets so that I do not need any texture resources in the project
textures = new Texture2D[3];
Color32 cBlack = new Color32(0, 0, 0, 255);
Color32 cWhite = new Color32(255, 255, 255, 255);
Color32 cGrey = new Color32(128, 128, 128, 255);
Color32 cTrans = new Color32(0, 0, 0, 0);
// create the background
textures[0] = new Texture2D(4, 4, TextureFormat.RGBA32, false);
EdGameUtil.TextureFill(textures[0], cBlack);
EdGameUtil.TextureRect(textures[0], cWhite, 0, 0, 3, 3);
// create the cell/bubble texture
textures[1] = new Texture2D(CellSize, CellSize, TextureFormat.RGBA32, false);
EdGameUtil.TextureFill(textures[1], cTrans);
EdGameUtil.TextureDrawCircleFilled(textures[1], cWhite, CellSizeHalf, CellSizeHalf, CellSizeHalf);
EdGameUtil.TextureDrawCircle(textures[1], cGrey, CellSizeHalf, CellSizeHalf, CellSizeHalf);
EdGameUtil.TextureDrawCircleFilled(textures[1], cGrey, CellSizeHalf, CellSizeHalf, CellSizeHalf / 3);
// create indicator texture
textures[2] = new Texture2D(CellSizeHalf, CellSize * 3, TextureFormat.RGBA32, false);
EdGameUtil.TextureFill(textures[2], cTrans);
EdGameUtil.TextureDrawVLine(textures[2], cGrey, textures[2].width / 2, 0, textures[2].height - 1);
EdGameUtil.TextureDrawLine(textures[2], cGrey, textures[2].width / 2, 0, 0, textures[2].height / 4);
EdGameUtil.TextureDrawLine(textures[2], cGrey, textures[2].width / 2, 0, textures[2].width - 1, textures[2].height / 4);
// apply common texture settings
foreach (Texture2D t in textures)
{
t.wrapMode = TextureWrapMode.Clamp;
t.filterMode = FilterMode.Point;
t.hideFlags = HideFlags.HideAndDontSave;
}
// create the styles
backStyle = new GUIStyle()
{
border = new RectOffset(1, 1, 1, 1), normal = { background = textures[0] }
};
scoreStyle = new GUIStyle()
{
normal = { textColor = Color.green }
};
}
private bool SnapBlock()
{
int ox, oy;
EdGameUtil.CalcCellPos(boardRect, blockPos, CellSize, true, out ox, out oy);
for (int x = 0; x < blockWH; x++)
{
for (int y = 0; y < blockWH; y++)
{
if (block[y, x] == 1)
{
int idx = (x + ox) + ((y + oy) * GridWidth);
if (idx < 0)
{
return(true); // if idx invalid then reached top and game over
}
grid[idx] = blockType;
}
}
}
return(false);
}