private void AddLine(Point3D p0, Point3D p1, double radius, Brush brush, int divisions)
{
Cylinder line = new Cylinder();
line.Divisions = divisions;
line.IsClosed = true;
line.DiffuseMaterial.Brush = brush;
line.Radius = radius;
line.From = p0;
line.To = p1;
Children.Add(line);
}
public Airplane()
{
Cylinder body = new Cylinder();
body.DiffuseMaterial.Brush = brush;
body.To = new Point3D(0, -1, 0);
body.From = new Point3D(0, 0.4, 0);
body.IsClosed = true;
body.Radius = 0.1;
Children.Add(body);
Cone head = new Cone();
head.DiffuseMaterial.Brush = Brushes.Red;
head.Rotation1 = Math3D.RotationX(-90);
head.Radius = 0.1;
head.ScaleZ = 0.2;
head.Position = new Point3D(0, 0.4, 0);
Children.Add(head);
Cylinder wings = new Cylinder();
wings.DiffuseMaterial.Brush = Brushes.Yellow;
wings.From = new Point3D(-1, 0, -0.01);
wings.To = new Point3D(1, 0, -0.01);
wings.ScaleX = 0.015;
wings.ScaleY = 0.1;
wings.IsClosed = true;
Children.Add(wings);
Cylinder tail = new Cylinder();
tail.DiffuseMaterial.Brush = Brushes.Yellow;
tail.From = new Point3D(-0.35, -0.9, 0.03);
tail.To = new Point3D(0.35, -0.9, 0.03);
tail.ScaleX = 0.015;
tail.ScaleY = 0.1;
tail.IsClosed = true;
Children.Add(tail);
Cylinder fin = new Cylinder();
fin.DiffuseMaterial.Brush = Brushes.Green;
fin.UpperRadius = 0.5;
fin.IsClosed = true;
fin.ScaleX = 0.015;
fin.ScaleY = 0.1;
fin.ScaleZ = 0.3;
fin.Position = new Point3D(0, -0.9, 0);
fin.Rotation2 = Math3D.RotationX(10);
Children.Add(fin);
}
Object3D RandomPrimitive(double x, double y, double z, Brush brush1, Brush brush2)
{
Primitive3D obj = null;
double angle1 = 180 * randy.NextDouble();
double angle2 = 180 * (1 + randy.NextDouble());
int index = count > 150 ? 2 : ++count % 10;
switch (index)
{
case 0: //--- more cubes, please :-)
case 1: obj = new Cube(); break;
case 2: obj = new Balloon(z); break;
case 3: obj = new Cone { IsClosed = true }; break;
case 4: obj = new Cylinder { IsClosed = true }; break;
case 5: obj = new Cylinder { StartDegrees = angle1, StopDegrees = angle2, IsClosed = true }; break;
case 6: obj = new Disk(); break;
case 7: obj = new Disk { StartDegrees = angle1, StopDegrees = angle2 }; break;
case 8: obj = new Square(); break;
case 9: obj = new Triangle(); break;
}
obj.ScaleZ = z;
obj.Position = new Point3D(x, y, z);
obj.DiffuseMaterial.Brush = GetRandomBrush();
if (index > 5)
{
//--- flat objects need a BackMaterial and are rotated
obj.BackMaterial = obj.Material;
obj.Rotation1 = Math3D.RotationX(angle1);
obj.Rotation2 = Math3D.RotationY(angle2);
}
else if (index < 2)//--- cubes
{
obj.DiffuseMaterial.Brush = brush1;
obj.Position = new Point3D(x, y, z + 0.01);//--- avoid z fighting with the ground
}
else if (index == 2)//--- balloon
{
obj.ScaleZ = obj.ScaleX * 1.2;
}
else if (index == 4 || index == 5)//--- cylinder
{
obj.DiffuseMaterial.Brush = brush2;
obj.Rotation1 = new Quaternion(Math3D.UnitZ, angle1);
}
return obj;
}