BoundingSphere of the rootNode

General Discussion
21

But wouldn’t you need a Perspective Projection Transformation first, because of the following problem:

camZeichenfläche 1-100
camZeichenfläche 1-100800×600 45.7 KB

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22

I guess technically you need to keep the vertexes with the max/min x and max/min y. The z can be gathered by doing a dot product with the camera’s direction vector.

…and that’s essentially already doing the projection into camera space.