public Form1()
{
InitializeComponent();
OpenGlo.InitializeContexts();
Glut.glutInit();
Glut.glutInitDisplayMode(Glut.GLUT_RGB | Glut.GLUT_DOUBLE);
Gl.glClearColor(255, 255, 255, 1);
Gl.glViewport(0, 0, OpenGlo.Width, OpenGlo.Height);
Gl.glMatrixMode(Gl.GL_PROJECTION);
Gl.glLoadIdentity();
// if (OpenGlo.Width <= OpenGlo.Height)
// Glu.gluOrtho2D(-50, OpenGlo.Width, -50, 50.0 * (float)OpenGlo.Height / (float)OpenGlo.Width);
// else
// Glu.gluOrtho2D(-50, 50.0 * (float)OpenGlo.Width / (float)OpenGlo.Height, -50, 50.0);
double aspect = OpenGlo.Width / (OpenGlo.Height);
if (OpenGlo.Width >= OpenGlo.Height)
{
Glu.gluOrtho2D(-50.0 * aspect, 50.0 * aspect, -50.0, 50.0);
}
else
{
Glu.gluOrtho2D(-50.0, 50.0, -50.0 / aspect, 50.0 / aspect);
}
Gl.glMatrixMode(Gl.GL_MODELVIEW);
}
private void Draw(Shape s)
{
int CountOfVertex = 0;
if (s.NameOfShape == "Triangle")
{
CountOfVertex = 3;
}
if (s.NameOfShape == "Quadrangle")
{
CountOfVertex = 4;
}
if (s.NameOfShape == "Pentagon")
{
CountOfVertex = 5;
}
if (s.NameOfShape == "Hexagon")
{
CountOfVertex = 6;
}
Gl.glColor3d(s.ColorArray[0], s.ColorArray[1], s.ColorArray[2]);
Gl.glBegin(Gl.GL_POLYGON);
Gl.glVertex2d(s.MainPoint.X, s.MainPoint.Y);
Gl.glVertex2d(s.MainPoint.X + s.KoefOfChange, s.MainPoint.Y);
Gl.glVertex2d(s.MainPoint.X + s.KoefOfChange, s.MainPoint.Y - s.KoefOfChange);
if (CountOfVertex > 5)
{
Gl.glVertex2d(s.MainPoint.X + s.KoefOfChange * 0.7, s.MainPoint.Y - s.KoefOfChange * 1.7);
Gl.glVertex2d(s.MainPoint.X + s.KoefOfChange * 0.3, s.MainPoint.Y - s.KoefOfChange * 1.7);
Gl.glVertex2d(s.MainPoint.X, s.MainPoint.Y - s.KoefOfChange);
}
else
{
if (CountOfVertex == 4)
{
Gl.glVertex2d(s.MainPoint.X, s.MainPoint.Y - s.KoefOfChange);
}
if (CountOfVertex == 5)
{
Gl.glVertex2d(s.MainPoint.X + s.KoefOfChange * 0.5, s.MainPoint.Y + s.KoefOfChange);
}
}
Gl.glEnd();
Gl.glFlush();
Gl.glRasterPos2f(s.MainPoint.X, s.MainPoint.Y);
text(s.NameOfShape);
OpenGlo.Invalidate();
}
private void button2_Click_1(object sender, EventArgs e)
{
Gl.glClear(Gl.GL_COLOR_BUFFER_BIT);
if (Shapes.Count != 0)
{
Shapes.RemoveAt(Shapes.Count - 1);
for (int i = 0; i < Shapes.Count; i++)
{
Draw(Shapes[i]);
}
OpenGlo.Invalidate();
}
else
{
//OpenGlo.Invalidate();
MessageBox.Show("All shapes are removed");
}
}
