/// <summary>
/// Constructor
/// </summary>
public Cube3D()
{
// initialize cube object
FullCube = new Cube();
MovableFaceArray = new BlockFace3D[Cube.MovableFaces];
for (int BlockNo = 0; BlockNo < Cube.BlocksPerCube; BlockNo++)
{
// create block
Block3D Block = new Block3D(BlockNo);
// add box to Cube3D VisualMedia3D
Children.Add(Block);
// center block (block no 13)
if (Block.BlockFaceArray == null)
{
continue;
}
// loop forall 6 faces of each block
foreach (BlockFace3D Face in Block.BlockFaceArray)
{
// save movable faces array
if (Face.FaceNo >= 0 && Face.FaceNo < Cube.MovableFaces)
{
MovableFaceArray[Face.FaceNo] = Face;
}
}
}
// create double index array of all 6 faces and for each face all blocks
CubeFaceBlockArray = new Block3D[Cube.FaceColors][];
// loop for all colors
for (int ColorIndex = 0; ColorIndex < Cube.FaceColors; ColorIndex++)
{
// for each color there are 9 blocks
CubeFaceBlockArray[ColorIndex] = new Block3D[Cube.BlocksPerFace];
// loop for all blocks of one face color
for (int BlockIndex = 0; BlockIndex < Cube.BlocksPerFace; BlockIndex++)
{
CubeFaceBlockArray[ColorIndex][BlockIndex] = (Block3D)Children[BlockNoOfOneFace[ColorIndex, BlockIndex]];
}
}
return;
}
/// <summary>
/// Block face constructor
/// </summary>
/// <param name="Block">Parent Block</param>
/// <param name="FaceNo">Face number</param>
/// <param name="FaceColor">Initial face color</param>
public BlockFace3D(Block3D Block, int FaceNo, int FaceColor)
{
// save face number
this.FaceNo = FaceNo;
// set current color
CurrentColor = FaceColor;
// initialize some geometric variables
Point3D Point0 = new Point3D();
Point3D Point1 = new Point3D();
Point3D Point2 = new Point3D();
Point3D Point3 = new Point3D();
Vector3D Normal = new Vector3D();
switch (FaceColor)
{
case Cube.WhiteFace:
Point0 = new Point3D(Block.OrigX, Block.OrigY, Block.OrigZ);
Point1 = new Point3D(Block.OrigX, Block.OrigY + Cube3D.BlockWidth, Block.OrigZ);
Point2 = new Point3D(Block.OrigX + Cube3D.BlockWidth, Block.OrigY + Cube3D.BlockWidth, Block.OrigZ);
Point3 = new Point3D(Block.OrigX + Cube3D.BlockWidth, Block.OrigY, Block.OrigZ);
Normal = new Vector3D(0, 0, -1);
break;
case Cube.BlueFace:
Point0 = new Point3D(Block.OrigX, Block.OrigY + Cube3D.BlockWidth, Block.OrigZ + Cube3D.BlockWidth);
Point1 = new Point3D(Block.OrigX, Block.OrigY + Cube3D.BlockWidth, Block.OrigZ);
Point2 = new Point3D(Block.OrigX, Block.OrigY, Block.OrigZ);
Point3 = new Point3D(Block.OrigX, Block.OrigY, Block.OrigZ + Cube3D.BlockWidth);
Normal = new Vector3D(-1, 0, 0);
break;
case Cube.RedFace:
Point0 = new Point3D(Block.OrigX, Block.OrigY, Block.OrigZ + Cube3D.BlockWidth);
Point1 = new Point3D(Block.OrigX, Block.OrigY, Block.OrigZ);
Point2 = new Point3D(Block.OrigX + Cube3D.BlockWidth, Block.OrigY, Block.OrigZ);
Point3 = new Point3D(Block.OrigX + Cube3D.BlockWidth, Block.OrigY, Block.OrigZ + Cube3D.BlockWidth);
Normal = new Vector3D(0, -1, 0);
break;
case Cube.GreenFace:
Point0 = new Point3D(Block.OrigX + Cube3D.BlockWidth, Block.OrigY, Block.OrigZ + Cube3D.BlockWidth);
Point1 = new Point3D(Block.OrigX + Cube3D.BlockWidth, Block.OrigY, Block.OrigZ);
Point2 = new Point3D(Block.OrigX + Cube3D.BlockWidth, Block.OrigY + Cube3D.BlockWidth, Block.OrigZ);
Point3 = new Point3D(Block.OrigX + Cube3D.BlockWidth, Block.OrigY + Cube3D.BlockWidth, Block.OrigZ + Cube3D.BlockWidth);
Normal = new Vector3D(1, 0, 0);
break;
case Cube.OrangeFace:
Point0 = new Point3D(Block.OrigX + Cube3D.BlockWidth, Block.OrigY + Cube3D.BlockWidth, Block.OrigZ + Cube3D.BlockWidth);
Point1 = new Point3D(Block.OrigX + Cube3D.BlockWidth, Block.OrigY + Cube3D.BlockWidth, Block.OrigZ);
Point2 = new Point3D(Block.OrigX, Block.OrigY + Cube3D.BlockWidth, Block.OrigZ);
Point3 = new Point3D(Block.OrigX, Block.OrigY + Cube3D.BlockWidth, Block.OrigZ + Cube3D.BlockWidth);
Normal = new Vector3D(0, 1, 0);
break;
case Cube.YellowFace:
Point0 = new Point3D(Block.OrigX, Block.OrigY + Cube3D.BlockWidth, Block.OrigZ + Cube3D.BlockWidth);
Point1 = new Point3D(Block.OrigX, Block.OrigY, Block.OrigZ + Cube3D.BlockWidth);
Point2 = new Point3D(Block.OrigX + Cube3D.BlockWidth, Block.OrigY, Block.OrigZ + Cube3D.BlockWidth);
Point3 = new Point3D(Block.OrigX + Cube3D.BlockWidth, Block.OrigY + Cube3D.BlockWidth, Block.OrigZ + Cube3D.BlockWidth);
Normal = new Vector3D(0, 0, 1);
break;
}
// hidden black faces
if (FaceNo < 0)
{
DiffuseMaterial BlackMaterial = new DiffuseMaterial(Brushes.Black);
Block.Children.Add(CreateTriangle(Point0, Point1, Point2, Normal, BlackMaterial));
Block.Children.Add(CreateTriangle(Point0, Point2, Point3, Normal, BlackMaterial));
return;
}
// calculate points to separate block edge and block face
Vector3D Diag02 = Point3D.Subtract(Point2, Point0);
Point3D Point4 = Point3D.Add(Point0, Vector3D.Multiply(0.04, Diag02));
Point3D Point6 = Point3D.Add(Point0, Vector3D.Multiply(0.96, Diag02));
Vector3D Diag13 = Point3D.Subtract(Point3, Point1);
Point3D Point5 = Point3D.Add(Point1, Vector3D.Multiply(0.04, Diag13));
Point3D Point7 = Point3D.Add(Point1, Vector3D.Multiply(0.96, Diag13));
// gray edge
DiffuseMaterial GrayMaterial = new DiffuseMaterial(Brushes.DarkGray);
Block.Children.Add(CreateTriangle(Point0, Point1, Point5, Normal, GrayMaterial));
Block.Children.Add(CreateTriangle(Point0, Point5, Point4, Normal, GrayMaterial));
Block.Children.Add(CreateTriangle(Point1, Point2, Point6, Normal, GrayMaterial));
Block.Children.Add(CreateTriangle(Point1, Point6, Point5, Normal, GrayMaterial));
Block.Children.Add(CreateTriangle(Point2, Point3, Point7, Normal, GrayMaterial));
Block.Children.Add(CreateTriangle(Point2, Point7, Point6, Normal, GrayMaterial));
Block.Children.Add(CreateTriangle(Point3, Point0, Point4, Normal, GrayMaterial));
Block.Children.Add(CreateTriangle(Point3, Point4, Point7, Normal, GrayMaterial));
// block face color
DiffuseMaterial ColorMaterial = Cube3D.Material[FaceColor];
Block.Children.Add(CreateTriangle(Point4, Point5, Point6, Normal, ColorMaterial, 1));
Block.Children.Add(CreateTriangle(Point4, Point6, Point7, Normal, ColorMaterial, 2));
return;
}
