Add default material::scatter() implementation
#1455
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The code mixes up `material::scatter()` with and without a default implementation. This causes problems as the `diffuse_light` (derived from the `material` class) first defines its own no-op implementation, but later the signature of `material::scatter()` changes without associated updates to the `diffuse_light` class. All of this is fixed by giving `material::scatter()` a no-op default implementation, which `diffuse_light` just uses implicitly. Thus, when the signature is changed, `diffuse_light` requires no updates. Resolves #1379
armansito
approved these changes
Mar 22, 2024
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The code mixes up
material::scatter()with and without a default implementation. This causes problems as thediffuse_light(derived from thematerialclass) first defines its own no-op implementation, but later the signature ofmaterial::scatter()changes without associated updates to thediffuse_lightclass.All of this is fixed by giving
material::scatter()a no-op default implementation, whichdiffuse_lightjust uses implicitly. Thus, when the signature is changed,diffuse_lightrequires no updates.Resolves #1379