Multiple GLUT objects problem

I want to have multiple GLUT objects: 4 glutSolidSphere() and 3 glutSolidCylinder(), but it doesn’t look good:

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As you can see it doesn’t look right. Every one of them are on the same z-coordinate (-10) so it should look like this:

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Ensure that you have a depth buffer and that depth tests are enabled. If you’re using a perspective projection, ensure that the near distance isn’t too small.

Yeah, near distance was a bit too small. Thanks!

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