czm_hue
Adjusts the hue of a color.
Parameters:
| Name | Type | Description | 
|---|---|---|
| rgb | vec3 | The color. | 
| adjustment | float | The amount to adjust the hue of the color in radians. | 
Returns:
	
	
		float 
		
		 The color with the hue adjusted.
         
    
    
        Example
vec3 adjustHue = czm_hue(color, czm_pi); // The same as czm_hue(color, -czm_pi)
