private void AddCube(Point coordinates, int index)
{
var l = new List<Solid>();
var k = new Solid();
//MathOperations.DebugMatrix(k.Points);
switch (index) {
case 0:
k.Points = MathOperations.MatrixMultiplication(
MathOperations.Translation(coordinates.X, 0, coordinates.Y), k.Points);
k.ComputeVisibility(new Vector(0, 1, 0));
break;
case 1:
k.Points = MathOperations.MatrixMultiplication(
MathOperations.Translation(0, coordinates.Y, coordinates.X), k.Points);
k.ComputeVisibility(new Vector(1, 0, 0));
break;
case 2:
k.Points = MathOperations.MatrixMultiplication(
MathOperations.Translation(coordinates.X, coordinates.Y, 0), k.Points);
k.ComputeVisibility(new Vector(0, 0, 1));
break;
}
//MathOperations.DebugMatrix(k.Points);
l.Add(k);
solidsList.Add(l);
//Console.WriteLine(l[0]);
}
public void DrawSelectedSolid(Solid solid, Solid perspectiveSolid,Pen pen = null)
{
DrawSolidFaces(solid, topView, 0, pen);
DrawSolidFaces(solid, frontView, 1, pen);
DrawSolidFaces(solid, leftView, 2, pen);
DrawSolidFaces(perspectiveSolid, perspectiveBox, 3, pen ?? new Pen(Color.Black, 1));
}
private void FlatPaint(PictureBox pc, Solid solid, int x, int y)
{
var g = Graphics.FromImage(pc.Image);
g.SmoothingMode = SmoothingMode.AntiAlias;
for (var i = 0; i < 6; i++) {
if (solid.FlatColor[i] == null) continue;
var face = new Point[4];
face[0] = new Point((int)solid.Points[x, solid.Faces[i, 0]], (int)solid.Points[y, solid.Faces[i, 0]]);
face[1] = new Point((int)solid.Points[x, solid.Faces[i, 1]], (int)solid.Points[y, solid.Faces[i, 1]]);
face[2] = new Point((int)solid.Points[x, solid.Faces[i, 2]], (int)solid.Points[y, solid.Faces[i, 2]]);
face[3] = new Point((int)solid.Points[x, solid.Faces[i, 3]], (int)solid.Points[y, solid.Faces[i, 3]]);
g.FillPolygon(new SolidBrush(Color.FromArgb((int)solid.FlatColor[i].X, (int)solid.FlatColor[i].Y, (int)solid.FlatColor[i].Z)), face);
}
}
private void DrawSolidFaces(Solid solid, PictureBox pc, int ipc, Pen myPen = null)
{
var x = 0;
var y = 0;
switch (ipc) {
case 0: //Top View
x = 0;
y = 2;
solid.ComputeVisibility(new Vector(solid.Points[0, 8], 1, solid.Points[2, 8]));
break;
case 1: //Front View
x = 0;
y = 1;
solid.ComputeVisibility(new Vector(solid.Points[0, 8], solid.Points[1, 8], 1));
break;
case 2: //Left View
x = 2;
y = 1;
solid.ComputeVisibility(new Vector(1, solid.Points[1, 8], solid.Points[2, 8]));
break;
case 3: //Perspective
x = 0;
y = 1;
if (isometricCheckBox.Checked) {
solid.ComputeVisibility(new Vector(0, 0, 1), new Vector(0, 0, 0));
} else {
solid.ComputeVisibility(VRP, P);
}
break;
}
var g = Graphics.FromImage(pc.Image);
g.SmoothingMode = SmoothingMode.AntiAlias;
if (myPen == null) {
myPen = new Pen(Color.Black, 1);
}
var matrix = solid.Points;
for (var i = 0; i < 6; i++) {
if (!solid.VisibleFaces[i] && hideFacesBox.Checked) continue;
for (int j = 0; j < 3; j++) {
g.DrawLine(myPen, (float)matrix[x, solid.Faces[i, j]],
(float)matrix[y, solid.Faces[i, j]],
(float)matrix[x, solid.Faces[i, j + 1]],
(float)matrix[y, solid.Faces[i, j + 1]]);
}
g.DrawLine(myPen, (float)matrix[x, solid.Faces[i, 3]],
(float)matrix[y, solid.Faces[i, 3]],
(float)matrix[x, solid.Faces[i, 0]],
(float)matrix[y, solid.Faces[i, 0]]);
}
pc.Invalidate();
}
public void FlatShading(Solid solid, PictureBox pc) {
Vector iT;
Vector iA;
Vector iD;
Vector iS;
Vector R;
Vector S;
Vector Pm;
for (int i = 0; i < 6; i++) {
iA = new Vector();
iA.X = iLa.X * solid.Ka.X;
iA.Y = iLa.Y * solid.Ka.Y;
iA.Z = iLa.Z * solid.Ka.Z;
if (solid.VisibleFaces[i] == false) {
solid.FlatColor[i] = null;
continue;
}
iD = new Vector(0, 0, 0);
iS = new Vector(0, 0, 0);
Vector N = solid.NormalFaces[i];
Pm = new Vector();
Pm.X = (solid.Points[0, solid.Faces[i, 0]] + solid.Points[0, solid.Faces[i, 2]]) / 2;
Pm.Y = (solid.Points[1, solid.Faces[i, 0]] + solid.Points[1, solid.Faces[i, 2]]) / 2;
Pm.Z = (solid.Points[2, solid.Faces[i, 0]] + solid.Points[2, solid.Faces[i, 2]]) / 2;
L = new Vector(L.X - Pm.X, L.Y - Pm.Y, L.Z - Pm.Z);
L = MathOperations.NormalizeVector(L);
double value = MathOperations.DotProduct(N, L);
if (value > 0) {
iD.X = iL.X * solid.Kd.X * value;
iD.Y = iL.Y * solid.Kd.Y * value;
iD.Z = iL.Z * solid.Kd.Z * value;
R = new Vector();
R.X = (2 * value * N.X) - L.X;
R.Y = (2 * value * N.Y) - L.Y;
R.Z = (2 * value * N.Z) - L.Z;
S = new Vector();
S.X = VRP.X - Pm.X;
S.Y = VRP.Y - Pm.Y;
S.Z = VRP.Z - Pm.Z;
S = MathOperations.NormalizeVector(S);
double value2 = Math.Pow(MathOperations.DotProduct(R, S), solid.N);
iS.X = iL.X * solid.Ks.X * value2;
iS.Y = iL.Y * solid.Ks.Y * value2;
iS.Z = iL.Z * solid.Ks.Z * value2;
}
iT = new Vector();
iT.X = iA.X + iD.X + iS.X;
iT.Y = iA.Y + iD.Y + iS.Y;
iT.Z = iA.Z + iD.Z + iS.Z;
solid.FlatColor[i] = new Vector(iT.X, iT.Y, iT.Z);
}
}