OpenGL Experts,
I am trying to get better at understanding
how Viewports work in OpenGL.
I initialized my window like this:
glutInitWindowSize(800,400);
I am basically trying to view two red squares in two seperate viewports side by side. Only the first square that is drawn is drawn how I want it to be.
Thanks,
Nick
void RenderScene(void)
{
glClear(GL_COLOR_BUFFER_BIT);
//Draw in first viewport
glViewport(0,0,400,400);
glOrtho(-10,10,-10,10,-10,10);
glColor3f(1.0f,0.0f,0.0f);
glRectf(0.0f,0.0f,10.0f,-10.0f);
//draw in second viewport
glViewport(400,0,800,400);
glOrtho(-10,10,-10,10,-10,10);
glColor3f(1.0f,0.0,0.0f);
glRectf(0.0f,0.0f,10.0f,-10.0f);
glFlush();
}