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windowOGL.cpp
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windowOGL.cpp
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#include <windows.h>
#include <GL/GL.h>
#include <GL/glut.h>
#include "windowOGL.h"
windowOGL::windowOGL( )
{
}
bool windowOGL::initOGL( )
{
glEnable( GL_DEPTH_TEST );
glDepthFunc( GL_LEQUAL );
return true;
}
void windowOGL::renderOGL( float rotAngle )
{
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
glLoadIdentity( );
glRotatef( rotAngle, 0, 0, 1 );
glBegin( GL_TRIANGLES );
glColor4f( 1.0f, 0.0f, 0.0f, 1.0f );
glVertex3f( -1.0f, -0.5f, -4.0f );
glColor4f( 0.0f, 1.0f, 0.0f, 1.0f );
glVertex3f( 1.0f, -0.5f, -4.0f );
glColor4f( 0.0f, 0.0f, 1.0f, 1.0f );
glVertex3f( 0.0f, 0.5f, -4.0f );
glEnd( );
}
void windowOGL::shutdown( )
{
}
void windowOGL::onResize( int width, int height )
{
glViewport( 0, 0, width, height );
glMatrixMode( GL_PROJECTION );
glLoadIdentity( );
gluPerspective( 45.0f, float( width ) / float( height ), 1.f, 100.f );
glMatrixMode( GL_MODELVIEW );
glLoadIdentity( );
}