Commits on Jun 14, 2020

1. remove far plane from perspective projection …

   I switched to near to 1 and far to 0, which should make depth much more
   accurate.
   
   3d doesn't have a far plane anymore, as it should be much more accurate than
   before even with infinite Z.
   
   Infinite-z does not make sense for orthographic projections, because error must
   be small regardless of distance there.

   

   joonazan authored and azriel91 committed Jun 14, 2020
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2. remove zfar from tests

   

   joonazan authored and azriel91 committed Jun 14, 2020
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3. remove perspective zfar from amethyst_rendy tests

   

   joonazan authored and azriel91 committed Jun 14, 2020
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4. switch debug_lines to GreaterEqual …

   This matches the LessEqual it previously had.
   
   It makes debug_lines_ortho render like it did before these changes. I believe
   that rendering later lines on top of earlier ones is the expected behaviour.

   

   joonazan authored and azriel91 committed Jun 14, 2020
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5. remove projection, put it directly into Camera …

   The setters and getters for parts of a projection have been removed. They were
   broken, as the setters did not update the inverse matrix. If updating is
   desired, a new Camera can be build, which should be about as fast.
   
   This commit breaks auto_fov. I'll rewrite that utility in the next commit.

   

   joonazan authored and azriel91 committed Jun 14, 2020
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6. choose a near plane that is representable as floating point

   

   joonazan authored and azriel91 committed Jun 14, 2020
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7. near clipping plane from 0.1 to 0.125 …

   One eighth is a good value because it can be represented accurately unlike one
   tenth.
   
   The small change hopefully doesn't break people's code.

   

   joonazan authored and azriel91 committed Jun 14, 2020
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8. fix autofov …

   It turns out the calculations needed for auto_fov are already done when
   constructing a perspective matrix.

   

   joonazan authored and azriel91 committed Jun 14, 2020
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9. fix tiles example

   

   joonazan authored and azriel91 committed Jun 14, 2020
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10. update camera when AutoFov changes …

    Previously it was only updated when the screen dimensions changed, making it not
    work if the screen is never resized or if parameters are changed.

    

    joonazan authored and azriel91 committed Jun 14, 2020
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11. make sprites render with depth test Greater instead of Less too

    

    joonazan authored and azriel91 committed Jun 14, 2020
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12. make tests use actual bottom right …

    They used to use a version that was off by one pixel for some reason.

    

    joonazan authored and azriel91 committed Jun 14, 2020
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13. document the screen coordinate system

    

    joonazan authored and azriel91 committed Jun 14, 2020
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14. remove unused import

    

    joonazan authored and azriel91 committed Jun 14, 2020
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15. remove far plane from gltf

    

    joonazan authored and azriel91 committed Jun 14, 2020
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16. fix test …

    May have been broken when rebasing onto newest master.

    

    joonazan authored and azriel91 committed Jun 14, 2020
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17. remove unnecessary Projection imports in book …

    This may not fix the book but I was unable to build it locally

    

    joonazan authored and azriel91 committed Jun 14, 2020
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18. Update book to build with Camera changes.

    

    azriel91 committed Jun 14, 2020
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