private void SqrPyramid_Click(object sender, EventArgs e)
{
points = new _3DPoint[5];
points[0] = new _3DPoint(size, size, -size);
points[1] = new _3DPoint(-size, size, -size);
points[2] = new _3DPoint(size, size, size);
points[3] = new _3DPoint(-size, size, size);
points[4] = new _3DPoint(0, -size, 0);
ShapeNum = 2;
}
//Converts 3D Point to a float array
float[,] VecToMatrix(_3DPoint v)
{
float[,] m = new float[3, 1];
m[0, 0] = v.X;
m[1, 0] = v.Y;
m[2, 0] = v.Z;
return(m);
}
private void Octahedron_Click(object sender, EventArgs e)
{
points = new _3DPoint[6];
points[0] = new _3DPoint(size, 0, -size);
points[1] = new _3DPoint(-size, 0, -size);
points[2] = new _3DPoint(size, 0, size);
points[3] = new _3DPoint(-size, 0, size);
points[4] = new _3DPoint(0, -size, 0);
points[5] = new _3DPoint(0, size, 0);
ShapeNum = 4;
}
private void CubeButton_Click(object sender, EventArgs e)
{
points = new _3DPoint[8];
points[0] = new _3DPoint(-size, -size, -size);
points[1] = new _3DPoint(size, -size, -size);
points[2] = new _3DPoint(size, size, -size);
points[3] = new _3DPoint(-size, size, -size);
points[4] = new _3DPoint(-size, -size, size);
points[5] = new _3DPoint(size, -size, size);
points[6] = new _3DPoint(size, size, size);
points[7] = new _3DPoint(-size, size, size);
ShapeNum = 0;
}
//Converts Float array to a 3D Point
_3DPoint MatrixToVec(float[,] m)
{
_3DPoint v = new _3DPoint();
v.X = m[0, 0];
v.Y = m[1, 0];
if (m.GetLength(0) > 2)
{
v.Z = m[2, 0];
}
return(v);
}
private void Form1_Load(object sender, EventArgs e)
{
_resWidth = 800;
_resHeight = 600;
Show();
Focus();
_gr = CreateGraphics();
_backBuffer = new Bitmap(_resWidth, _resHeight);
points = new _3DPoint[8];
points[0] = new _3DPoint(-size, -size, -size);
points[1] = new _3DPoint(size, -size, -size);
points[2] = new _3DPoint(size, size, -size);
points[3] = new _3DPoint(-size, size, -size);
points[4] = new _3DPoint(-size, -size, size);
points[5] = new _3DPoint(size, -size, size);
points[6] = new _3DPoint(size, size, size);
points[7] = new _3DPoint(-size, size, size);
DrawLoop();
}
private void PyramidButton_Click(object sender, EventArgs e)
{
points = new _3DPoint[4];
points[0] = new _3DPoint(
((8 / 9) * (8 / 9)) * size,
0,
-((1 / 3) * size)
);
points[1] = new _3DPoint(
-(((2 / 9) * (2 / 9)) * size),
((2 / 3) * (2 / 3)) * size,
-((1 / 3) * size)
);
points[2] = new _3DPoint(
-(((2 / 9) * (2 / 9)) * size),
-(((2 / 3) * (2 / 3)) * size),
-((1 / 3) * size)
);
points[3] = new _3DPoint(0, 0, size);
ShapeNum = 1;
}
void DrawImported()
{
float[,] rotationX =
{
{ 1, 0, 0 },
{ 0, Convert.ToSingle(Math.Cos(AngleX)), Convert.ToSingle(-Math.Sin(AngleX)) },
{ 0, Convert.ToSingle(Math.Sin(AngleX)), Convert.ToSingle(Math.Cos(AngleX)) }
};
float[,] rotationAutoX =
{
{ 1, 0, 0 },
{ 0, Convert.ToSingle(Math.Cos(AutoAngleX)), Convert.ToSingle(-Math.Sin(AutoAngleX)) },
{ 0, Convert.ToSingle(Math.Sin(AutoAngleX)), Convert.ToSingle(Math.Cos(AutoAngleX)) }
};
float[,] rotationZ =
{
{ Convert.ToSingle(Math.Cos(AngleZ)), Convert.ToSingle(-Math.Sin(AngleZ)), 0 },
{ Convert.ToSingle(Math.Sin(AngleZ)), Convert.ToSingle(Math.Cos(AngleZ)), 0 },
{ 0, 0, 1 }
};
float[,] rotationAutoZ =
{
{ Convert.ToSingle(Math.Cos(AutoAngleZ)), Convert.ToSingle(-Math.Sin(AutoAngleZ)), 0 },
{ Convert.ToSingle(Math.Sin(AutoAngleZ)), Convert.ToSingle(Math.Cos(AutoAngleZ)), 0 },
{ 0, 0, 1 }
};
float[,] rotationY =
{
{ Convert.ToSingle(Math.Cos(AngleY)), 0, Convert.ToSingle(-Math.Sin(AngleY)) },
{ 0, 1, 0 },
{ Convert.ToSingle(Math.Sin(AngleY)), 0, Convert.ToSingle(Math.Cos(AngleY)) }
};
float[,] rotationAutoY =
{
{ Convert.ToSingle(Math.Cos(AutoAngleY)), 0, Convert.ToSingle(-Math.Sin(AutoAngleY)) },
{ 0, 1, 0 },
{ Convert.ToSingle(Math.Sin(AutoAngleY)), 0, Convert.ToSingle(Math.Cos(AutoAngleY)) }
};
_3DPoint[] Projected = new _3DPoint[ImportedVertices.Count];
int index = 0;
foreach (var i in ImportedVertices)
{
_3DPoint rotated = i;
if (AutoXTick.Checked)
{
rotated = Matrix.MatrixMultiply(rotationAutoX, rotated);
try
{
if (XNum.Text == "")
{
}
else
{
AutoAngleX += Convert.ToDouble(XNum.Text) / 1000000;
}
}
catch (Exception e)
{
}
}
if (AutoYTick.Checked)
{
rotated = Matrix.MatrixMultiply(rotationAutoY, rotated);
try
{
if (YNum.Text == "")
{
}
else
{
AutoAngleY += Convert.ToDouble(YNum.Text) / 1000000;
}
}
catch (Exception e)
{
}
}
if (AutoZTick.Checked)
{
rotated = Matrix.MatrixMultiply(rotationAutoZ, rotated);
try
{
if (ZNum.Text == "")
{
}
else
{
AutoAngleZ += Convert.ToDouble(ZNum.Text) / 1000000;
}
}
catch (Exception e)
{
}
}
rotated = Matrix.MatrixMultiply(rotationY, rotated);
rotated = Matrix.MatrixMultiply(rotationX, rotated);
rotated = Matrix.MatrixMultiply(rotationZ, rotated);
_3DPoint projected2D = Matrix.MatrixMultiply(_projection, rotated);
Projected[index] = projected2D;
index++;
}
for (int i = 0; i < ListOfFaces.Count;)
{
for (int j = 0; j < ListOfFaces[i].Count;)
{
if (ListOfFaces[i][j] == ListOfFaces[i][ListOfFaces[i].Count - 1])
{
int PointA = Convert.ToInt16(ListOfFaces[i][j]);
int PointB = Convert.ToInt16(ListOfFaces[i][0]);
ImportedConnectPoints(PointA, PointB, Projected, 0);
}
else
{
int PointA = Convert.ToInt16(ListOfFaces[i][j]);
int PointB = Convert.ToInt16(ListOfFaces[i][j + 1]);
ImportedConnectPoints(PointA, PointB, Projected, 0);
}
j++;
}
i++;
}
}
void DrawOctohedron()
{
float[,] rotationX =
{
{ 1, 0, 0 },
{ 0, Convert.ToSingle(Math.Cos(AngleX)), Convert.ToSingle(-Math.Sin(AngleX)) },
{ 0, Convert.ToSingle(Math.Sin(AngleX)), Convert.ToSingle(Math.Cos(AngleX)) }
};
float[,] rotationAutoX =
{
{ 1, 0, 0 },
{ 0, Convert.ToSingle(Math.Cos(AutoAngleX)), Convert.ToSingle(-Math.Sin(AutoAngleX)) },
{ 0, Convert.ToSingle(Math.Sin(AutoAngleX)), Convert.ToSingle(Math.Cos(AutoAngleX)) }
};
float[,] rotationZ =
{
{ Convert.ToSingle(Math.Cos(AngleZ)), Convert.ToSingle(-Math.Sin(AngleZ)), 0 },
{ Convert.ToSingle(Math.Sin(AngleZ)), Convert.ToSingle(Math.Cos(AngleZ)), 0 },
{ 0, 0, 1 }
};
float[,] rotationAutoZ =
{
{ Convert.ToSingle(Math.Cos(AutoAngleZ)), Convert.ToSingle(-Math.Sin(AutoAngleZ)), 0 },
{ Convert.ToSingle(Math.Sin(AutoAngleZ)), Convert.ToSingle(Math.Cos(AutoAngleZ)), 0 },
{ 0, 0, 1 }
};
float[,] rotationY =
{
{ Convert.ToSingle(Math.Cos(AngleY)), 0, Convert.ToSingle(-Math.Sin(AngleY)) },
{ 0, 1, 0 },
{ Convert.ToSingle(Math.Sin(AngleY)), 0, Convert.ToSingle(Math.Cos(AngleY)) }
};
float[,] rotationAutoY =
{
{ Convert.ToSingle(Math.Cos(AutoAngleY)), 0, Convert.ToSingle(-Math.Sin(AutoAngleY)) },
{ 0, 1, 0 },
{ Convert.ToSingle(Math.Sin(AutoAngleY)), 0, Convert.ToSingle(Math.Cos(AutoAngleY)) }
};
_3DPoint[] Projected = new _3DPoint[6];
int index = 0;
foreach (var i in points)
{
_3DPoint rotated = i;
if (AutoXTick.Checked)
{
rotated = Matrix.MatrixMultiply(rotationAutoX, rotated);
try
{
AutoAngleX += Convert.ToDouble(XNum.Text) / 10000;
}
catch (Exception e)
{
}
}
if (AutoYTick.Checked)
{
rotated = Matrix.MatrixMultiply(rotationAutoY, rotated);
try
{
AutoAngleY += Convert.ToDouble(YNum.Text) / 10000;
}
catch (Exception e)
{
}
}
if (AutoZTick.Checked)
{
rotated = Matrix.MatrixMultiply(rotationAutoZ, rotated);
try
{
AutoAngleZ += Convert.ToDouble(ZNum.Text) / 10000;
}
catch (Exception e)
{
}
}
rotated = Matrix.MatrixMultiply(rotationY, rotated);
rotated = Matrix.MatrixMultiply(rotationX, rotated);
rotated = Matrix.MatrixMultiply(rotationZ, rotated);
_3DPoint projected2D = Matrix.MatrixMultiply(_projection, rotated);
Projected[index] = projected2D;
index++;
}
/*
* int PickColour = 0;
* for (int i = 0; i < 4; i++)
* {
* PickColour++;
* ConnectPoints(i, (i + 1) % 4, Projected, PickColour);
*
* PickColour++;
* ConnectPoints(i + 4, ((i + 1) % 4) + 4, Projected, PickColour);
*
* PickColour++;
* ConnectPoints(i, i + 4, Projected, PickColour);
* }
*/
ConnectPoints(0, 1, Projected, 0);
ConnectPoints(1, 3, Projected, 0);
ConnectPoints(3, 2, Projected, 0);
ConnectPoints(2, 0, Projected, 0);
ConnectPoints(0, 4, Projected, 0);
ConnectPoints(1, 4, Projected, 0);
ConnectPoints(2, 4, Projected, 0);
ConnectPoints(3, 4, Projected, 0);
ConnectPoints(0, 5, Projected, 0);
ConnectPoints(1, 5, Projected, 0);
ConnectPoints(2, 5, Projected, 0);
ConnectPoints(3, 5, Projected, 0);
}
void DrawDodechedron()
{
float[,] rotationX =
{
{ 1, 0, 0 },
{ 0, Convert.ToSingle(Math.Cos(AngleX)), Convert.ToSingle(-Math.Sin(AngleX)) },
{ 0, Convert.ToSingle(Math.Sin(AngleX)), Convert.ToSingle(Math.Cos(AngleX)) }
};
float[,] rotationAutoX =
{
{ 1, 0, 0 },
{ 0, Convert.ToSingle(Math.Cos(AutoAngleX)), Convert.ToSingle(-Math.Sin(AutoAngleX)) },
{ 0, Convert.ToSingle(Math.Sin(AutoAngleX)), Convert.ToSingle(Math.Cos(AutoAngleX)) }
};
float[,] rotationZ =
{
{ Convert.ToSingle(Math.Cos(AngleZ)), Convert.ToSingle(-Math.Sin(AngleZ)), 0 },
{ Convert.ToSingle(Math.Sin(AngleZ)), Convert.ToSingle(Math.Cos(AngleZ)), 0 },
{ 0, 0, 1 }
};
float[,] rotationAutoZ =
{
{ Convert.ToSingle(Math.Cos(AutoAngleZ)), Convert.ToSingle(-Math.Sin(AutoAngleZ)), 0 },
{ Convert.ToSingle(Math.Sin(AutoAngleZ)), Convert.ToSingle(Math.Cos(AutoAngleZ)), 0 },
{ 0, 0, 1 }
};
float[,] rotationY =
{
{ Convert.ToSingle(Math.Cos(AngleY)), 0, Convert.ToSingle(-Math.Sin(AngleY)) },
{ 0, 1, 0 },
{ Convert.ToSingle(Math.Sin(AngleY)), 0, Convert.ToSingle(Math.Cos(AngleY)) }
};
float[,] rotationAutoY =
{
{ Convert.ToSingle(Math.Cos(AutoAngleY)), 0, Convert.ToSingle(-Math.Sin(AutoAngleY)) },
{ 0, 1, 0 },
{ Convert.ToSingle(Math.Sin(AutoAngleY)), 0, Convert.ToSingle(Math.Cos(AutoAngleY)) }
};
_3DPoint[] Projected = new _3DPoint[20];
List <_3DPoint> Vertices = MakeDodecahedron(size);
int index = 0;
foreach (var i in Vertices)
{
_3DPoint rotated = i;
if (AutoXTick.Checked)
{
rotated = Matrix.MatrixMultiply(rotationAutoX, rotated);
try
{
AutoAngleX += Convert.ToDouble(XNum.Text) / 10000;
}
catch (Exception e)
{
}
}
if (AutoYTick.Checked)
{
rotated = Matrix.MatrixMultiply(rotationAutoY, rotated);
try
{
AutoAngleY += Convert.ToDouble(YNum.Text) / 10000;
}
catch (Exception e)
{
}
}
if (AutoZTick.Checked)
{
rotated = Matrix.MatrixMultiply(rotationAutoZ, rotated);
try
{
AutoAngleZ += Convert.ToDouble(ZNum.Text) / 10000;
}
catch (Exception e)
{
}
}
rotated = Matrix.MatrixMultiply(rotationY, rotated);
rotated = Matrix.MatrixMultiply(rotationX, rotated);
rotated = Matrix.MatrixMultiply(rotationZ, rotated);
_3DPoint projected2D = Matrix.MatrixMultiply(_projection, rotated);
Projected[index] = projected2D;
//_gr.DrawString(index.ToString(), Font, Brushes.Red, Projected[index].X, Projected[index].Y);
index++;
}
/*
* int PickColour = 0;
* for (int i = 0; i < 4; i++)
* {
* PickColour++;
* ConnectPoints(i, (i + 1) % 4, Projected, PickColour);
*
* PickColour++;
* ConnectPoints(i + 4, ((i + 1) % 4) + 4, Projected, PickColour);
*
* PickColour++;
* ConnectPoints(i, i + 4, Projected, PickColour);
* }
*/
ConnectPoints(17, 12, Projected, 0);
ConnectPoints(12, 18, Projected, 0);
ConnectPoints(18, 16, Projected, 0);
ConnectPoints(16, 19, Projected, 0);
ConnectPoints(19, 17, Projected, 0);
ConnectPoints(2, 7, Projected, 0);
ConnectPoints(7, 9, Projected, 0);
ConnectPoints(9, 6, Projected, 0);
ConnectPoints(6, 8, Projected, 0);
ConnectPoints(8, 2, Projected, 0);
ConnectPoints(11, 14, Projected, 0);
ConnectPoints(14, 17, Projected, 0);
ConnectPoints(17, 12, Projected, 0);
ConnectPoints(12, 13, Projected, 0);
ConnectPoints(13, 11, Projected, 0);
ConnectPoints(14, 5, Projected, 0);
ConnectPoints(5, 15, Projected, 0);
ConnectPoints(15, 19, Projected, 0);
ConnectPoints(19, 17, Projected, 0);
ConnectPoints(17, 14, Projected, 0);
ConnectPoints(15, 9, Projected, 0);
ConnectPoints(9, 6, Projected, 0);
ConnectPoints(6, 16, Projected, 0);
ConnectPoints(16, 19, Projected, 0);
ConnectPoints(19, 15, Projected, 0);
ConnectPoints(3, 2, Projected, 0);
ConnectPoints(4, 1, Projected, 0);
ConnectPoints(13, 0, Projected, 0);
ConnectPoints(0, 10, Projected, 0);
ConnectPoints(10, 18, Projected, 0);
ConnectPoints(10, 8, Projected, 0);
ConnectPoints(0, 3, Projected, 0);
ConnectPoints(3, 1, Projected, 0);
ConnectPoints(1, 11, Projected, 0);
ConnectPoints(7, 4, Projected, 0);
ConnectPoints(4, 5, Projected, 0);
}
public _3DPoint MatrixMultiply(float[,] a, _3DPoint b)
{
float[,] m = VecToMatrix(b);
return(MatrixToVec(MatrixMultiply(a, m)));
}
