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When you fly through your Blender 3D world, you can fly through things. However, sometimes I fly through objects, and before I even get close to them, the objects start cutting off(visually). See image:

enter image description here

How can I stop Blender from doing this? Or at least make it do so, when I get closer to the object?

There are some camera angles that I can't get because Blender cuts away the object in my view/cam

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2 Answers 2

up vote 8 down vote accepted

It is caused by the View Clip setting in N panel (If you look through the camera, it is controlled by the camera clipping that locates in its own Object Data panel).

enter image description here

To avoid it, either set start clip to a relatively small value (0.1 by default), or switch to Ortho view (3D view only).

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cameras also have this property –  Vader Feb 19 at 18:49
    
@Vader That's right. –  Leon Cheung Feb 19 at 18:50
    
Unfortunately, setting the Start lower than the default has some weird effect on which lines get hidden in shaded mode :-/ It's a little annoying, but not a big deal. I'm mostly just surprised that it hasn't been fixed yet. –  Matt Feb 19 at 21:15
    
@Matt That sounds strange indeed. I noticed that too. Not sure if it is kinda real bug. Thanks for reminding. :) will try discussing with devs. –  Leon Cheung Feb 20 at 1:12
1  
@Matt See this post. It's apparently not fixable and affects all openGL applications. So note that there are good reasons for not setting these to the largest values possible where it can be helped. –  gandalf3 Feb 20 at 1:16

What happens in your extreme situation you have very small objects and moved the camera quit close to them:

enter image description here

I think if you would look the scene from outside it is more clear what happens:

enter image description here

The View Clipping Start (as explained by Leon Cheung's answer) value is the distance from the center of the camera to the near clipping plane (yellow).

enter image description here

Image source: Wikipedia Viewing_frustum

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