Grade.txt

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-- Base Grade Information
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 Checkpoints:                                                              25/25
    Features:                                                              50/50
      Extras:                                                               6/15
Presentation:                                                              39/50
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  Deductions:                                                                 -8
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      Total:                                                             112/140

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-- Comments
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* Base Features Claimed *

+10 - Reading scene from external file
+10 - Ray generation in Perspective View
+10 - Collision of rays with plane and sphere
+10 - ADS Lighting from a single point light
+10 - Shadow determination in lighting computations

* Extras Claimed *

+2 - User input to manipulate scene
+2 - Multiple lights
+2 - Experimenting with MTL files, rasterization, and light types

* Deductions *

-2 External file name is hard coded.
-1 Not all parameters are read in from a file (global ambient).
-5 Shadowing is incorrect because bounds on shadow rays are not checked.