/* function to reset our viewport after a window resize */
int Display_SetViewport( int width, int height ) {
/* Height / width ration */
GLfloat ratio;
/* Protect against a divide by zero */
if ( height == 0 ) {
height = 1;
}
ratio = ( GLfloat )width / ( GLfloat )height;
/* Setup our viewport. */
glViewport( 0, 0, ( GLsizei )width, ( GLsizei )height );
/* change to the projection matrix and set our viewing volume. */
glMatrixMode( GL_PROJECTION );
glLoadIdentity( );
/* Set our perspective */
perspectiveGL( 45.0f, ratio, 0.1f, 100.0f );
/* Make sure we're chaning the model view and not the projection */
glMatrixMode( GL_MODELVIEW );
/* Reset The View */
glLoadIdentity( );
return 1;
}
void myWindow::resizeGL(int width, int height)
{
if(height == 0)
height = 1;
glViewport(0, 0, width, height);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
perspectiveGL(90.0f, (GLfloat)width/(GLfloat)height, 0.1f, 800.0f);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
}
void reshape(int w, int h)
{
glPushMatrix();
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
perspectiveGL(25.0,(GLfloat)w/(GLfloat)h,.1,10000.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glViewport(0,0,(GLsizei)w,(GLsizei)h);
glPopMatrix();
}
/* function to reset our viewport after a window resize */
int Display_SetViewport( int width, int height )
{
GLfloat ratio;
if ( height == 0 )
height = 1;
ratio = ( GLfloat )width / ( GLfloat )height;
glViewport( 0, 0, ( GLsizei )width, ( GLsizei )height );
glMatrixMode( GL_PROJECTION );
glLoadIdentity( );
perspectiveGL( 45.0f, ratio, 0.1f, 100.0f );
glMatrixMode( GL_MODELVIEW );
glLoadIdentity( );
return 1;
}
void mGraphics::initGL(){
/* Height / width ration */
GLfloat ratio;
ratio = ( GLfloat )W / ( GLfloat )H;
/* Setup our viewport. */
glViewport( 0, 0, ( GLsizei )W, ( GLsizei )H );
/* change to the projection matrix and set our viewing volume. */
glMatrixMode( GL_PROJECTION );
glLoadIdentity( );
/* Set our perspective */
perspectiveGL( 45.0f, ratio, 5.0f, 3000.0f );
/* Make sure we're chaning the model view and not the projection */
glMatrixMode( GL_MODELVIEW );
/* Reset The View */
glLoadIdentity( );
}
