OpenGL development tutorial-the first OpenGL program

Source: Internet
Author: User

# Include "stdafx. h"
# Include <GL/glut. h>
 
 
Void myDisplay (void)
{
GlClear (GL_COLOR_BUFFER_BIT); // clear. GL_COLOR_BUFFER_BIT indicates clearing the color
// Set the current color
GlColor3f (0.0f, 1.0f, 0.0f );
// Draw a rectangle
GlRectf (-0.5f,-0.5f, 0.5f, 0.5f );
GlFlush (); // ensure that the preceding OpenGL command is executed immediately
}
 
Void test (int argc, char ** argv)
{
Gluinit (& argc, argv );
Fig );
Gluinitwindowposition (100,100 );
Gluinitwindowsize (600,400 );
Valley createwindow ("first OpenGL program ");
Gludisplayfunc (& myDisplay );
Glumainloop ();
}
 
Void main (int argc, char * argv [])
{
Test (argc, argv );
}

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