Interface IBox2dObjectOption
		 
	 
	
		
			
			
			
				Properties
				
					
					Optional categoryBits
					categoryBits: number
					
					
				
				
					
					Optional density
					density: number
					
				
				
					
					Optional friction
					friction: number
					
				
				
					
					Optional isSensor
					isSensor: boolean
					
					
				
				
					
					Optional isStatic
					isStatic: boolean
					
				
				
					
					Optional maskBits
					maskBits: number
					
					
				
				
					
					Optional restitution
					restitution: number
					
				
			
		 
		
	 
 
 
The logical sum of the bits representing the collision detection category to which it belongs.