Doubt about bounding boxes SpriteKit

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Doubt about bounding boxes SpriteKit

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How can you create a bounding box that collides with a circular shape, being this triangular?

swift3 spritekit

asked by Ramon Alvarez Mora 26.09.2017 в 18:12

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You need to use one of the polygonal type

let polygonalSpaceShip = SKSpriteNode(texture: spaceShipTexture)
let path = CGMutablePath()
path.addLines(between: [CGPoint(x: 0, y: 0), CGPoint(x: 50, y: 50), CGPoint(x: 0, y: 50),
                        CGPoint(x: 0, y: 0)]) //son 4 porqué el ultimo vuelve al origen

Example of SKPhysicsBody

Although depending on your sprite you can try using the alpha channel

let texturedSpaceShip = SKSpriteNode(texture: spaceShipTexture)
texturedSpaceShip.physicsBody = SKPhysicsBody(texture: spaceShipTexture,
                                              size: CGSize(width: circularSpaceShip.size.width,
                                                           height: circularSpaceShip.size.height))