public Point3d MultiplicateF(Point3d vertex, double[,] ar)
{
double[,] result = new double[1, 4];
double[,] a = new double[1, 4];
double[,] b = ar;
a[0, 0] = vertex.x;
a[0, 1] = vertex.y;
a[0, 2] = vertex.z;
a[0, 3] = W;
for (int i = 0; i < 1; i++)
{
for (int j = 0; j < 4; j++)
{
result[i, j] = 0;
for (int q = 0; q < 4; q++)
result[i, j] += a[i, q] * b[q, j];
}
}
//for (int i = 0; i < 4; i++)
// for (int j = 0; j < 1; j++)
// {
// result[i, j] = 0;
// for (int r = 0; r < 4; r++)
// result[i, j] += a[i, r] * b[r, j];
// }
return (new Point3d((float)(result[0, 0]),(float)(result[0, 1]),(float)(result[0, 2])));
}
private void btnbuild_Click(object sender, EventArgs e)
{
size = Convert.ToInt32(tbsize.Text);
basepoint = new Point3d(Convert.ToDouble(tbbasex.Text), Convert.ToDouble(tbbasey.Text), Convert.ToDouble(tbbasez.Text));
AddSphere();
DrawSphere(false);
}
public GraphicModel(Point3d basepoint,float R,float LOD,Color color)
{
double x, y, z, fi, psi;
Radius = R;
for (fi = 0; fi < Math.PI; fi += LOD)
{
edgelist.Add(new Edge());
for (psi = 0; psi < 2 * Math.PI + LOD; psi += LOD)
{
x = basepoint.x + R * Math.Sin(psi) * Math.Cos(fi);
y = basepoint.y + R * Math.Sin(psi) * Math.Sin(fi);
z = basepoint.z + R * Math.Cos(psi);
edgelist[edgelist.Count - 1].vertex.Add(new Point3d((float)x, (float)y, (float)z));
}
}
for (psi = 0; psi < Math.PI; psi += LOD)
{
edgelist.Add(new Edge());
for (fi = 0; fi < 2 * Math.PI + LOD; fi += LOD)
{
x = basepoint.x + R * Math.Sin(psi) * Math.Cos(fi);
y = basepoint.y + R * Math.Sin(psi) * Math.Sin(fi);
z = basepoint.z + R * Math.Cos(psi);
edgelist[edgelist.Count - 1].vertex.Add(new Point3d((float)x, (float)y, (float)z));
}
}
ModelColor = color;
}
public Faces(Point3d pt1, Point3d pt2, Point3d pt3, Point3d pt4, Color color)
{
this.pt1 = pt1;
this.pt2 = pt2;
this.pt3 = pt3;
this.pt4 = pt4;
FaceColor = color;
}
public void RobertsSet(Point3d innerPoint)
{
_A = pt1.y * (pt3.z - pt4.z) + pt3.y * (pt4.z - pt1.z) + pt4.y * (pt1.z - pt3.z);
_B = pt1.z * (pt3.x - pt4.x) + pt3.z * (pt4.x - pt1.x) + pt4.z * (pt1.x - pt3.x);
_C = pt1.x * (pt3.y - pt4.y) + pt3.x * (pt4.y - pt1.y) + pt4.x * (pt1.y - pt3.y);
_D = -(_A * pt4.x + _B * pt4.y + _C * pt4.z);
if (innerPoint.x * _A + innerPoint.y * _B + innerPoint.z * _C + _D > 0) return;
_A = -_A;
_B = -_B;
_C = -_C;
_D = -_D;
}
private void btnFill_Click(object sender, EventArgs e)
{
pbMain.Refresh();
var gM = pbMain.CreateGraphics();
double viewparam1 = Convert.ToDouble(tbviewparam1.Text);
double viewparam2 = Convert.ToDouble(tbviewparam2.Text);
double viewparam3 = Convert.ToDouble(tbviewparam3.Text);
double viewparam4 = Convert.ToDouble(tbviewparam4.Text);
double lightx = Convert.ToDouble(tbLightX.Text);
double lighty = Convert.ToDouble(tbLightY.Text);
double lightz = Convert.ToDouble(tbLightZ.Text);
var lightPoint = new Point3d(lightx, lighty, lightz);
ModelsTree[ModelsTree.Count - 1].Fill(gM, MainViewType, viewparam1, viewparam2, viewparam3, viewparam4,chkLight.Checked,lightPoint);
}
public void LightDiffuse(Point3d vectorLight)
{
//var vectorLight = new Point3d(0,200,200);
var vectorPoint = new Point3d((pt1.x + pt3.x) / 2, (pt1.y + pt3.y) / 2, (pt1.z+pt3.z)/2);
double cosTetta = (vectorLight.x * vectorPoint.x + vectorLight.y * vectorPoint.y +
vectorLight.z * vectorPoint.z) / (
Math.Sqrt(Math.Pow(vectorLight.x, 2) +
Math.Pow(vectorLight.y, 2) +
Math.Pow(vectorLight.z, 2)) *
Math.Sqrt(Math.Pow(vectorPoint.x, 2) +
Math.Pow(vectorPoint.y, 2) +
Math.Pow(vectorPoint.z, 2)));
double lighting = 100 + 100 * 0.6 * cosTetta;
lighting = lighting > 255 ? 255 : lighting;
lighting = lighting < 0 ? 0 : lighting;
FaceColor = Color.FromArgb(Convert.ToInt32(lighting), Convert.ToInt32(lighting), Convert.ToInt32(lighting));
}
private void pbMain_MouseMove(object sender, MouseEventArgs e)
{
if (checkBox1.Checked)
{
pbMain.Refresh();
var gM = pbMain.CreateGraphics();
double viewparam1 = Convert.ToDouble(tbviewparam1.Text) + e.Delta;
double viewparam2 = Convert.ToDouble(tbviewparam2.Text);
double viewparam3 = Convert.ToDouble(tbviewparam3.Text) + e.Y - rotdelta.Y;
double viewparam4 = Convert.ToDouble(tbviewparam4.Text) + e.X - rotdelta.X;
rotdelta.X = e.X;
rotdelta.Y = e.Y;
tbviewparam3.Text = Convert.ToString(viewparam3);
tbviewparam4.Text = Convert.ToString(viewparam4);
double lightx = Convert.ToDouble(tbLightX.Text);
double lighty = Convert.ToDouble(tbLightY.Text);
double lightz = Convert.ToDouble(tbLightZ.Text);
var lightPoint = new Point3d(lightx, lighty, lightz);
ModelsTree[ModelsTree.Count - 1].DrawModelFast(gM, VIEWPORT, MainViewType, viewparam1, viewparam2, viewparam3, viewparam4, chkLight.Checked,lightPoint);
}
}
private void pbFront_MouseUp(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
Point3d radpoint = new Point3d(e.X, e.Y, 0);
size = Convert.ToInt32(Math.Sqrt((radpoint.x - basepoint.x) * (radpoint.x - basepoint.x) + (radpoint.y - basepoint.y) * (radpoint.y - basepoint.y)));
basepoint.x -= VIEWPORT;
basepoint.y -= VIEWPORT;
AddSphere();
DrawSphere(false);
}
if (e.Button == MouseButtons.Right)
{
float scrollangley = delta.X - e.X; // need to fix
float scrollanglex = delta.Y - e.Y;
tbanglex.Text = Convert.ToString(scrollanglex);
tbangley.Text = Convert.ToString(scrollangley);
if (ModelsTree.Count != 0)
UpdateSphere(ModelsTree[ModelsTree.Count - 1]);
}
if (e.Button == MouseButtons.Middle)
{
float scrollzoom = delta.Y - e.Y; // need to fix
scrollzoom=1+scrollzoom/70;
tbScaleX.Text = Convert.ToString(scrollzoom);
tbScaleY.Text = Convert.ToString(scrollzoom);
tbScaleZ.Text = Convert.ToString(scrollzoom);
if (ModelsTree.Count != 0)
UpdateSphere(ModelsTree[ModelsTree.Count - 1]);
}
}
private void pbFront_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
basepoint = new Point3d(e.X, e.Y, 0);
if (e.Button == MouseButtons.Right)
delta = e.Location;
if (e.Button == MouseButtons.Middle)
delta = e.Location;
}
private void mainForm_KeyDown(object sender, KeyEventArgs e)
{
if (checkBox1.Checked)
{
pbMain.Refresh();
var gM = pbMain.CreateGraphics();
double viewparam1 = Convert.ToDouble(tbviewparam1.Text) ;
double viewparam2 = Convert.ToDouble(tbviewparam2.Text);
double viewparam3 = Convert.ToDouble(tbviewparam3.Text);
double viewparam4 = Convert.ToDouble(tbviewparam4.Text);
double lightx = Convert.ToDouble(tbLightX.Text);
double lighty = Convert.ToDouble(tbLightY.Text);
double lightz = Convert.ToDouble(tbLightZ.Text);
var lightPoint = new Point3d(lightx, lighty, lightz);
switch ( e.KeyData)
{
case Keys.W:
viewparam1 += 5;
break;
case Keys.S:
viewparam1 -= 5;
break;
}
tbviewparam1.Text = Convert.ToString(viewparam1);
ModelsTree[ModelsTree.Count - 1].DrawModelFast(gM, VIEWPORT, MainViewType, viewparam1, viewparam2, viewparam3, viewparam4,chkLight.Checked,lightPoint);
}
}
// Draws main view
private void Draw2D(Graphics g,
Point3d pt1,
Point3d pt2,
byte MainViewType,
double viewparam1,
double viewparam2,
double viewparam3,
double viewparam4)
{
var pen = new Pen(ModelColor, 1);
Point3d point1=null;
Point3d point2=null;
switch (MainViewType)
{
case 0: point1 = pt1.Aksonometrik(viewparam1, viewparam2); point2 = pt2.Aksonometrik(viewparam1, viewparam2); break;
case 1: point1 = pt1.Kosougol(viewparam1, viewparam2); point2 = pt2.Kosougol(viewparam1, viewparam2); break;
case 2: point1 = pt1.Perspect(viewparam1, viewparam2, viewparam3, viewparam4); point2 = pt2.Perspect(viewparam1, viewparam2, viewparam3, viewparam4); break;
}
g.DrawLine(pen, point1.ToPoitntFxy(), point2.ToPoitntFxy());
}
public void Fill(Graphics eGraphics,
byte mainViewType,
double viewparam1,
double viewparam2,
double viewparam3,
double viewparam4,
bool light,
Point3d lightPoint)
{
faceslist.Clear();
for (var i = edgelist.Count/2; i < edgelist.Count; i++)
{
for (var j = 0; j < edgelist[0].vertex.Count; j++)
{
Point3d point1=null;
Point3d point2=null;
Point3d point3=null;
Point3d point4=null;
var jNext = (j != edgelist[0].vertex.Count-1) ? j + 1 : 0;
var iNext = i + 1;
if (i == edgelist.Count / 2)
{
point1 = edgelist[edgelist.Count / 2].vertex[0];
point2 = point1;
point3 = edgelist[iNext].vertex[j];
point4 = edgelist[iNext].vertex[jNext];
}
else
if (i != edgelist.Count - 1)
{
point1 = edgelist[i].vertex[j];
point2 = edgelist[i].vertex[jNext];
point3 = edgelist[iNext].vertex[jNext];
point4 = edgelist[iNext].vertex[j];
}
else
{
point1 = edgelist[i].vertex[j];
point2 = edgelist[i].vertex[jNext];
point3 = new Point3d(edgelist[0].vertex[0].x, edgelist[0].vertex[0].y, edgelist[0].vertex[0].z-2*Radius);
point4 = point3;
}
//var iNext = (i != edgelist.Count - 1) ? i + 1 : i ;
//Point3d point1 = edgelist[i].vertex[j];
//Point3d point2 = edgelist[i].vertex[jNext];
//Point3d point3 = edgelist[iNext].vertex[jNext];
//Point3d point4 = edgelist[iNext].vertex[j];
var f = new Faces(point1, point2, point3, point4, ModelColor);
if (light) f.LightDiffuse(lightPoint);
switch (mainViewType)
{
case 0:
f.pt1 = f.pt1.Aksonometrik(viewparam1, viewparam2);
f.pt2 = f.pt2.Aksonometrik(viewparam1, viewparam2);
f.pt3 = f.pt3.Aksonometrik(viewparam1, viewparam2);
f.pt4 = f.pt4.Aksonometrik(viewparam1, viewparam2);
break;
case 1:
f.pt1 = f.pt1.Kosougol(viewparam1, viewparam2);
f.pt2 = f.pt2.Kosougol(viewparam1, viewparam2);
f.pt3 = f.pt3.Kosougol(viewparam1, viewparam2);
f.pt4 = f.pt4.Kosougol(viewparam1, viewparam2);
break;
case 2:
f.pt1 = f.pt1.Perspect(viewparam1, viewparam2, viewparam3, viewparam4);
f.pt2 = f.pt2.Perspect(viewparam1, viewparam2, viewparam3, viewparam4);
f.pt3 = f.pt3.Perspect(viewparam1, viewparam2, viewparam3, viewparam4);
f.pt4 = f.pt4.Perspect(viewparam1, viewparam2, viewparam3, viewparam4);
break;
}
f.RobertsSet(new Point3d(0,0,0));
if (f.RobertsCheck())
f.DrawIt(eGraphics, light);
//faceslist.Add(f);
}
}
//foreach (var f in faceslist)
//{
// f.DrawIt(eGraphics, light);
//}
}
// Draws model
public void DrawModelFast(
Graphics MainView,
float size,
byte MainViewType,
double viewparam1,
double viewparam2,
double viewparam3,
double viewparam4,
bool light,
Point3d lightPoint)
{
this.Fill(MainView,MainViewType,viewparam1,viewparam2,viewparam3,viewparam4,light,lightPoint);
}