I can view the object when I put the x and z eye position of gluLookAt() to 1-6 values with a glOrtho(-3.0, 3.0, -3.0, 3.0, 1.0, 6.0). But when I try to view it top/bottom view by changing the value of y eye position of gluLookAt()… nothing appears.
Can anyone here help me out?
EDIT: Got it working.