I'm surprised you'd have to define pi in a fragment shader at all. Surely such a... | Hacker News

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		rwmj on Sept 11, 2022 \| parent \| context \| favorite \| on: Rendering my (billiard) balls in a fragment shader I'm surprised you'd have to define pi in a fragment shader at all. Surely such a commonly used constant would be defined in the language/headers already?

cperciva on Sept 11, 2022 | [–]

You should always define Pi in your code, in case the value ever changes.

sysrpl on Sept 11, 2022 | [–]

I've always though about that fact myself. Can somone find the answer to why didn't the GLSL designers / video card driver people make PI built into their language?

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