czm_threePiOver2

czm_threePiOver2

czm_threePiOver2

A built-in GLSL floating-point constant for 3pi/2.

Example
// GLSL declaration
const float czm_threePiOver2 = ...;

// Example
float pi = (2.0 / 3.0) * czm_threePiOver2;
See: