func addShape(pos: SCNVector3, to: SCNNode) {
let radius = Float(0.05)
let objectSph = SCNSphere(radius: CGFloat(radius))
let object = SCNNode(geometry: objectSph)
let position = SCNVector3Make(pos.x, pos.y, pos.z)
object.position = position
object.geometry?.firstMaterial?.diffuse.contents = UIColor.red
to.addChildNode(object)
}
在操场上：
import SceneKit
import PlaygroundSupport
func addShape(pos: SCNVector3, to: SCNNode) {
let radius = Float(0.05)
let objectSph = SCNSphere(radius: CGFloat(radius))
let object = SCNNode(geometry: objectSph)
let position = SCNVector3Make(pos.x, pos.y, pos.z)
object.position = position
object.geometry?.firstMaterial?.diffuse.contents = UIColor.red
to.addChildNode(object)
}
let scene = SCNScene()
let view = SCNView(frame: CGRect(x: 0, y: 0, width: 600, height: 600))
view.allowsCameraControl = true
view.autoenablesDefaultLighting = true
view.scene = scene
let box = SCNBox(width: 3.0, height: 3.0, length: 3.0, chamferRadius: 0)
let boxNode = SCNNode(geometry: box)
boxNode.geometry?.firstMaterial?.diffuse.contents = UIColor.white
scene.rootNode.addChildNode(boxNode)
scene.background.contents = UIColor.black
addShape(pos: SCNVector3Make(-1.5, 1.5, 1.5), to: boxNode)
addShape(pos: SCNVector3Make(-0.5, 1.5, 1.5), to: boxNode)
addShape(pos: SCNVector3Make(0.5, 1.5, 1.5), to: boxNode)
addShape(pos: SCNVector3Make(1.5, 1.5, 1.5), to: boxNode)
addShape(pos: SCNVector3Make(-1.5, 0.5, 1.5), to: boxNode)
addShape(pos: SCNVector3Make(-0.5, 0.5, 1.5), to: boxNode)
addShape(pos: SCNVector3Make(0.5, 0.5, 1.5), to: boxNode)
addShape(pos: SCNVector3Make(1.5, 0.5, 1.5), to: boxNode)
// and so on...
PlaygroundPage.current.liveView = view
1 回答
在操场上：
如果我明白了......