A ParticleEmitter that emits particles from a circle.
Particles will be positioned within a circle and have initial velocities going along the z vector.
    
| Name | Type | Default | Description | 
|---|---|---|---|
radius | 
            
            Number | 
                
                    1.0
                
                 | 
            
            optional The radius of the circle in meters. | 
Members
    The angle of the cone in radians.
- 
    
    
    
    
    
    
    
    
    Default Value:
    
 
Cesium.Math.toRadians(30.0)
    
    
    
    
    
    
    
    The radius of the circle in meters.
- 
    
    
    
    
    
    
    
    
    Default Value:
    
 
1.0
    
    
    
    
    
    
    
