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:

• CesiumMath.THREE_PI_OVER_TWO

Source:

• /Source/Renderer/ShaderProgram.js