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Ranvir Sahota
9,844 PointsNear setting
Correct me if I'm wrong but near is the distance from the camera to start rendering objects and far is where to stop. All object within that range on all sides of the camera will be rendered. If so why is near set to 0.3 surely it would be better to set it to 0 so it can render everything between 0 to 0.3?
1 Answer
Nick Pettit
Treehouse TeacherHi Ranvir,
Great question! You can think of the near clip plane as a surface that images are projected onto. Then, that image is resized for your computer monitor. If the plane were at 0, the camera frustum would no longer be a frustum really, just a pyramid, and the image would just be a single point. In fact, Unity doesn't even allow you to put in a value of 0 for this reason.
That said, it's still a good idea to leave the near clip plane as high as possible. The reasoning is a bit advanced, but basically it improves the floating point precision of the camera's depth buffer, which is used in many parts of the graphics pipeline.