DSDSWeb/static/js/Cesium-1.53/Source/Shaders/Builtin/Constants/piOverTwo.glsl

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2024-07-11 18:02:47 +08:00
/**
* A built-in GLSL floating-point constant for <code>pi/2</code>.
*
* @alias czm_piOverTwo
* @glslConstant
*
* @see CesiumMath.PI_OVER_TWO
*
* @example
* // GLSL declaration
* const float czm_piOverTwo = ...;
*
* // Example
* float pi = 2.0 * czm_piOverTwo;
*/
const float czm_piOverTwo = 1.5707963267948966;