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en:tutorials:cameras_and_frustums [2018/02/13 20:46 (6 years ago)] – ↷ Page moved from tutorials:cameras_and_frustums to en:tutorials:cameras_and_frustums iarwainen:tutorials:cameras:cameras_and_frustums [2023/03/30 21:54 (13 months ago)] (current) – sausage
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 The camera is placed at position 400, 300, -1.0 in the world. The camera is placed at position 400, 300, -1.0 in the world.
  
-In this case, the ''FrustumFar'' is 1.0 and the ''FrustumNear'' is 0.0. These two values are relative to the camera's z-position. That this means is, the camera can see near from it's z-position + the FrustumNear value, in this case: -1.0. And it can see into the distance, z-position + FrustumFar, which is 0.0.+In this case, the ''FrustumFar'' is 1.0 and the ''FrustumNear'' is 0.0. These two values are relative to the camera's z-position. What this means is: the camera can see near from it's z-position + the FrustumNear value, in this case: -1.0. And it can see into the distance, z-position + FrustumFar, which is 0.0.
  
 Take a look at the following diagram to help visualise it: Take a look at the following diagram to help visualise it:
  
-{{ :tutorials:frustum-z.png |}}+{{ tutorials:cameras:frustum-z.png |}}
  
 The image above shows the frustum near and far values represented by the dotted lines. Only objects within it can be seen. The image above shows the frustum near and far values represented by the dotted lines. Only objects within it can be seen.
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 General points to note: General points to note:
   * ''FrustumNear'' cannot be strictly negative, as it cannot start behind the camera   * ''FrustumNear'' cannot be strictly negative, as it cannot start behind the camera
-  * ''FrustumFar'' needs to be greater that ''FrustumNear''+  * ''FrustumFar'' needs to be greater than ''FrustumNear''
 </WRAP> </WRAP>
  
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 Something to note is that the frustum is always in the center of the camera in the X and Y axis. Something to note is that the frustum is always in the center of the camera in the X and Y axis.
  
-{{ :tutorials:frustum-x-y.png |}}+{{ tutorials:cameras:frustum-y-x.png |}}
  
 As per the depth, any object that appears outside the frustum boundaries, will not be visible. As per the depth, any object that appears outside the frustum boundaries, will not be visible.
  
en/tutorials/cameras/cameras_and_frustums.1518583584.txt.gz · Last modified: 2018/02/14 00:46 (6 years ago) (external edit)

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