時計から鳥がピッポピッポするかんじでiPhoneアプリのサンプルコードを描いてみます。
import UIKit
import SceneKit
class ViewController: UIViewController {
weak var sceneView : SCNView?
override func viewDidLoad() {
super.viewDidLoad()
setupScene()
createClock()
createHands()
createBird()
createCamera()
}
func setupScene() {
let sv = SCNView(frame: view.bounds)
sv.backgroundColor = UIColor(hue: 0.25, saturation: 0.1, brightness: 1, alpha: 1)
sv.scene = SCNScene()
sv.allowsCameraControl = true
sv.autoenablesDefaultLighting = true
view.addSubview(sv)
sceneView = sv
}
func createClock() {
let path = UIBezierPath(arcCenter: CGPointZero, radius: 5, startAngle: 0, endAngle: 2.0 * CGFloat(M_PI), clockwise: false)
path.appendPath(UIBezierPath(arcCenter: CGPoint(x: 0, y: 3), radius: 1, startAngle: 0, endAngle: 2.0 * CGFloat(M_PI), clockwise: false))
path.usesEvenOddFillRule = true
path.flatness = 0.01
let plate = SCNShape(path: path, extrusionDepth: 0.3)
plate.firstMaterial?.diffuse.contents = UIColor(white: 0.9, alpha: 1)
let plateNode = SCNNode(geometry: plate)
sceneView?.scene?.rootNode.addChildNode(plateNode)
}
func createHands() {
let lhand = SCNBox(width: 0.2, height: 4, length: 0.2, chamferRadius: 0.2)
lhand.firstMaterial?.diffuse.contents = UIColor(hue: 0.25, saturation: 0.8, brightness: 0.4, alpha: 1)
let lhandNode = SCNNode(geometry: lhand)
lhandNode.pivot = SCNMatrix4MakeTranslation(0, –1.9, 0)
lhandNode.position = SCNVector3(x: 0, y: 0, z: 0.8)
sceneView?.scene?.rootNode.addChildNode(lhandNode)
let shand = SCNBox(width: 0.2, height: 2, length: 0.2, chamferRadius: 0.2)
shand.firstMaterial?.diffuse.contents = UIColor(hue: 0.05, saturation: 0.8, brightness: 0.6, alpha: 1)
let shandNode = SCNNode(geometry: shand)
shandNode.pivot = SCNMatrix4MakeTranslation(0, –0.9, 0)
shandNode.position = SCNVector3(x: 0, y: 0, z: 0.9)
sceneView?.scene?.rootNode.addChildNode(shandNode)
lhandNode.runAction(SCNAction.repeatActionForever(SCNAction.rotateByAngle(CGFloat(M_PI), aroundAxis: SCNVector3(x: 0, y: 0, z: 1), duration: 2.0)))
shandNode.runAction(SCNAction.repeatActionForever(SCNAction.rotateByAngle(CGFloat(M_PI), aroundAxis: SCNVector3(x: 0, y: 0, z: 1), duration: 12.0)))
}
func createBird() {
let bird = SCNNode()
bird.name = “bird”
let body = SCNSphere(radius: 0.8)
body.firstMaterial?.diffuse.contents = UIColor(hue: 0.125, saturation: 0.3, brightness: 1, alpha: 1)
let bodyNode = SCNNode(geometry: body)
bird.addChildNode(bodyNode)
for i in 0…1 {
let eye = SCNSphere(radius: 0.1)
eye.firstMaterial?.diffuse.contents = UIColor.blackColor()
let eyeNode = SCNNode(geometry: eye)
eyeNode.position = SCNVector3(x: i==0 ? 0.4 : –0.4, y: 0.2, z: 0.7)
bird.addChildNode(eyeNode)
}
let m = SCNCone(topRadius: 0.05, bottomRadius: 0.2, height: 0.5)
m.firstMaterial?.diffuse.contents = UIColor.yellowColor()
m.firstMaterial?.specular.contents = UIColor.whiteColor()
let mNode = SCNNode(geometry: m)
mNode.position = SCNVector3(x: 0, y: –0.3, z: 1)
mNode.rotation = SCNVector4(x: 1, y: 0, z: 0, w: Float(M_PI) * 0.6)
bird.addChildNode(mNode)
bird.pivot = SCNMatrix4MakeTranslation(0, –3, 0)
sceneView?.scene?.rootNode.addChildNode(bird)
bird.runAction(SCNAction.rotateToAxisAngle(SCNVector4(x: 1, y: 0, z: 0, w: –Float(M_PI) * 0.5), duration: 0.6))
}
override func touchesBegan(touches: Set<NSObject>, withEvent event: UIEvent) {
if let bird = sceneView?.scene?.rootNode.childNodeWithName(“bird”, recursively: false) {
bird.runAction(SCNAction.sequence([
SCNAction.rotateToAxisAngle(SCNVector4(x: 1, y: 0, z: 0, w: Float(M_PI) * 0.2) , duration: 0.3),
SCNAction.rotateToAxisAngle(SCNVector4(x: 1, y: 0, z: 0, w: –Float(M_PI) * 0.5), duration: 0.6)
]))
}
}
func createCamera() {
let camera = SCNNode()
camera.camera = SCNCamera()
camera.position = SCNVector3(x: 0, y: 0, z: 24)
sceneView?.scene?.rootNode.addChildNode(camera)
}
}