Properties
				
					
					_enable
					_enable: boolean = false
					
				
				
					
					name
					name: string = PARTICLE_MODULE_NAME.VELOCITY
					
				
				
					
					needAnimate
					needAnimate: boolean = true
					
				
				
					
					Private needTransform
					needTransform: boolean
					
				
				
					
					needUpdate
					needUpdate: boolean = false
					
				
				
				
					
					space
					space: number = Space.Local
					
					
				
				
					
					speedModifier
					speedModifier: CurveRange = new CurveRange()
					
					
				
				
					
					target
					target: IParticleSystemRenderer | null = null
					
				
				
					
					x
					x: CurveRange = new CurveRange()
					
					
				
				
					
					y
					y: CurveRange = new CurveRange()
					
					
				
				
					
					z
					z: CurveRange = new CurveRange()
					
					
				
			
			 
速度计算时采用的坐标系Space。