skeffectnode

问题 I have a SKSpriteNode that I'd like to have a blue glow around it's edges for highlighting purposes. I am guessing that I would need to make my sprite a child of a SKEffectNode and then create/apply a filter of some sort. UPDATE : I have investigated this quite a it with the chosen answer's approach, and discovered that SKEffectNode has a sizeable hit on performance even if you have it set to shouldRasterize and 'no filter' defined. My conclusion is that if your game requires more than 10

问题 I have a moving black image on a dark screen, to make it easier to see I would like to add in a white glow to the image. This is my code for the moving image: Ghost = SKSpriteNode(imageNamed: "Ghost1") Ghost.size = CGSize(width: 50, height: 50) Ghost.position = CGPoint(x: self.frame.width / 2 - Ghost.frame.width, y: self.frame.height / 2) Ghost.physicsBody = SKPhysicsBody(circleOfRadius: Ghost.frame.height / 1.4) Ghost.physicsBody?.categoryBitMask = PhysicsCatagory.Ghost Ghost.physicsBody?