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Question by avrahamraskin · Aug 11, 2013 at 11:09 PM · cameraraycastaugmented-realityskybox

How to tell I am looking at the sky/skybox

I am trying to get my camera to recognise that it is looking at the sky to then display some text. I have tried to verify that it is looking at the color blue.. that it is looking above the horizon.. things like that problem is as far as i know that the skybox is not an object so i cant just confirm that it is there..

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Answer by YoungDeveloper · Aug 11, 2013 at 11:32 PM

You could create big box colliders above the ground and tag them "sky". And then use raycasting(from player view) to check if you are looking at the sky.

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Answer by Joyrider · Aug 11, 2013 at 11:27 PM

Depends what you are trying to achieve exactly and how your scene is built.

If your environment has colliders, you could use a raycast, and if nothing was hit assume you are looking at the sky.

To limit performance hit, you could also

  • compare your camera's forward vector with the world's Y-axis, to know how high up or down you are looking.

  • And check for the sky only when you are looking above a given (Y)up-value (0 being the horizon).

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