Introduce several new shader utility phrases for Signed Distance Functions (SDF), including operations (e.g., union, intersection, XOR), primitive shapes (e.g., box, circle, heart, segment), and supporting functions like `dot2`.
Introduce several new shader utility phrases for Signed Distance Functions (SDF), including operations (e.g., union, intersection, XOR), primitive shapes (e.g., box, circle, heart, segment), and supporting functions like `dot2`.