czm_oneOverPi

A built-in GLSL floating-point constant for 1/pi.

Example

// GLSL declaration
const float czm_oneOverPi = ...;

// Example
float pi = 1.0 / czm_oneOverPi;

See:

• CesiumMath.ONE_OVER_PI

Source:

• /Source/Renderer/ShaderProgram.js