more builtin primitives and examples

lgarithm / drawings

a ray tracing engine in C++

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Open lgarithm opened 8 years ago

lgarithm commented 8 years ago

builtin primitives

more examples and test scenes

lgarithm commented 8 years ago

x^2 + y^2 + z^2 + R^2 - d^2 \leq 2R \sqrt{x^2 + y^2}