Code covered by the BSD License  

Highlights from
OpenGL .NET Examples

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from OpenGL .NET Examples by Dirk-Jan Kroon
Matlab OpenGL .NET code and examples for R2009a and above

Simple_Cube_Painters(id)
function Simple_Cube_Painters(id)
% Function is written by D.Kroon University of Twente (April 2009)

% Allow to use GL functions without prefixing with Tao.Opengl.
import Tao.OpenGl.*

% Set background clear color to blue            
Gl.glClearColor(0.2, 0.2, 0.2, 0.0);  

% Clear the color and depth buffer
Gl.glClear(int32(bitor(uint32(Gl.GL_COLOR_BUFFER_BIT),uint32(Gl.GL_DEPTH_BUFFER_BIT)))); 

% Set depth testing enabled
Gl.glEnable(Gl.GL_DEPTH_TEST)  

cornersx=[-1  1 -1  1 -1  1 -1  1];
cornersy=[-1 -1  1  1 -1 -1  1  1];
cornersz=[-1 -1  -1 -1  1  1  1  1];

Gl.glBegin(Gl.GL_QUADS);
    Gl.glColor4f(1.0, 0.0, 0.0, 1);
    Gl.glVertex3f(cornersx(1), cornersy(1), cornersz(1));
    Gl.glVertex3f(cornersx(2), cornersy(2), cornersz(2));				
    Gl.glVertex3f(cornersx(4), cornersy(4), cornersz(4));				
    Gl.glVertex3f(cornersx(3), cornersy(3), cornersz(3));				
Gl.glEnd(); 

Gl.glBegin(Gl.GL_QUADS);
    Gl.glColor4f(0.0, 1.0, 0.0, 1);
    Gl.glVertex3f(cornersx(7), cornersy(7), cornersz(7));				
    Gl.glVertex3f(cornersx(8), cornersy(8), cornersz(8));				
    Gl.glVertex3f(cornersx(6), cornersy(6), cornersz(6));				
    Gl.glVertex3f(cornersx(5), cornersy(5), cornersz(5));
Gl.glEnd(); 

Gl.glBegin(Gl.GL_QUADS);
    Gl.glColor4f(0.0, 0.0, 1.0,1);
    Gl.glVertex3f(cornersx(1), cornersy(1), cornersz(1));
    Gl.glVertex3f(cornersx(5), cornersy(5), cornersz(5));				
    Gl.glVertex3f(cornersx(6), cornersy(6), cornersz(6));				
    Gl.glVertex3f(cornersx(2), cornersy(2), cornersz(2));				
Gl.glEnd(); 


Gl.glBegin(Gl.GL_QUADS);
    Gl.glColor4f(0.0, 0.0, 0.7, 1);
    Gl.glVertex3f(cornersx(3), cornersy(3), cornersz(3));				
    Gl.glVertex3f(cornersx(4), cornersy(4), cornersz(4));				
    Gl.glVertex3f(cornersx(8), cornersy(8), cornersz(8));				
    Gl.glVertex3f(cornersx(7), cornersy(7), cornersz(7));
Gl.glEnd(); 
     
Gl.glBegin(Gl.GL_QUADS);
    Gl.glColor4f(1.0, 0.0, 1, 1);
    Gl.glVertex3f(cornersx(4), cornersy(4), cornersz(4));				
    Gl.glVertex3f(cornersx(2), cornersy(2), cornersz(2));				
    Gl.glVertex3f(cornersx(6), cornersy(6), cornersz(6));				
    Gl.glVertex3f(cornersx(8), cornersy(8), cornersz(8));
Gl.glEnd(); 
     
 
Gl.glBegin(Gl.GL_QUADS);
    Gl.glColor4f(1.0, 1.0, 0.0, 1);
    Gl.glVertex3f(cornersx(3), cornersy(3), cornersz(3));				
    Gl.glVertex3f(cornersx(1), cornersy(1), cornersz(1));				
    Gl.glVertex3f(cornersx(5), cornersy(5), cornersz(5));				
    Gl.glVertex3f(cornersx(7), cornersy(7), cornersz(7));
Gl.glEnd(); 

% Flush the pipeline, update the graphics buffer
Gl.glFlush();
end

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