Use PGRV ( found on tools tab ) to create an gravity field to manipulate the photons. Use Newtonian Gravity or it won't work. Also, try to put other stuff that creates gravity like Gravitron or a Black Hole ( now featuring colors :D )
gravity
field
visualiser
Comments
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It would be great if you add some filters there. It should be more colorful.
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Wow, this is great. Really good idea.
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pretty cool, i must say, but the upper lejzors seem to be unstabile