code

def voxel
$x = 0
$y = 0
$z = 0

glColor3f(0, 1, 0);
glPushMatrix();
while $x < 10 and $y < 10
glTranslatef($x*1,$y*1,0);
glutSolidCube(0.5);
$x += 1
$y += 1
$z += 1
end
glPopMatrix();
end