// the transformation routines
public void Rotate()
{
for (int index = 0; index < _brushes.Length; index++)
{
_brushes[index].Rotate();
}
var array = new Brush[_brushes.Length];
for (int y = 0; y < _brushSize.Y; y++)
{
for (int x = 0; x < _brushSize.X; x++)
{
var yy = y;
var xx = (_brushSize.X - 1) - x;
var index1 = y * _brushSize.X + x;
var index2 = xx * _brushSize.Y + yy;
array[index2] = _brushes[index1];
}
}
_brushes = array;
// flip brush
_brushSize = new Point(_brushSize.Y, _brushSize.X);
CreateTexture();
}
public CopyBrush(Brush[] brushes, Point brushSize)
{
if (brushes.Length == 0)
throw new UnityException("No array");
_textureSize = (int)Math.Sqrt(brushes[0].Colors.GetLength(0));
_brushSize = brushSize;
_brushes = brushes;
CreateTexture();
}
public NormalBrush(int textureSize, TileTexture tt)
{
TextureSize = textureSize;
if (tt == null)
{
return;
}
var pixels = tt.Texture.GetPixels();
var oldSize = (int)Mathf.Sqrt(pixels.Length);
var colors = Util.ResizeArray(pixels, _textureSize, oldSize);
var c = tt.Collision;
var collision = new bool[c.Length];
Array.Copy(c, collision, c.Length);
_brush = new Brush(colors, new TileProperties(tt.ID), collision);
_preview = new Texture2D(_textureSize, _textureSize, TextureFormat.ARGB32, false);
_preview.SetPixels(_brush.Colors);
_preview.Apply();
}
public void PushUndo(Cell cell, Point localTileID, Brush brush)
{
var ud = new UndoData(cell, localTileID, brush);
_undo[_index].Add(ud);
}
public UndoData(Cell cell, Point localTileID, Brush brush)
{
Cell = cell;
LocalTileID = localTileID;
Brush = brush;
}