{"id":3206,"date":"2014-10-22T23:22:31","date_gmt":"2014-10-22T14:22:31","guid":{"rendered":"http:\/\/lepetit-prince.net\/ios\/?p=3206"},"modified":"2014-10-22T23:22:31","modified_gmt":"2014-10-22T14:22:31","slug":"%e3%82%8f%e3%81%aa%e3%81%923d","status":"publish","type":"post","link":"https:\/\/lepetit-prince.net\/ios\/?p=3206","title":{"rendered":"\u308f\u306a\u30523D"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/lh6.googleusercontent.com\/-VdwklvoslCc\/VEe9FWelNxI\/AAAAAAAAC0M\/_PV-y5EId7c\/s288\/Screen%2520Shot%25202014-10-22%2520at%252011.19.14%2520PM.png\" width=\"288\" height=\"148\" alt=\"iPhone\u8f2a\u6295\u30523D\" class=\"alignnone\" \/><br \/>\n<\/p>\n<p>\n3D\u306e\u8f2a\u6295\u3052\u3001iPhone\u30a2\u30d7\u30ea\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u63cf\u3044\u3066\u307f\u307e\u3059\u3002\n<\/p>\n<p><!--more--><\/p>\n<p>\n<iframe loading=\"lazy\" width=\"467\" height=\"350\" src=\"https:\/\/www.youtube.com\/embed\/ZFObdptvizc?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #d12f1b\"><span style=\"color: #78492a\">#import <\/span>&#8220;ViewController.h&#8221;<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span style=\"color: #bb2ca2\">@import<\/span> SceneKit;<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px\"><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #4f8187\"><span style=\"color: #bb2ca2\">@interface<\/span><span style=\"color: #000000\"> <\/span>ViewController<span style=\"color: #000000\"> ()<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #bb2ca2\">@property<span style=\"color: #000000\"> (<\/span>nonatomic<span style=\"color: #000000\">, <\/span>weak<span style=\"color: #000000\">) <\/span><span style=\"color: #703daa\">SCNScene<\/span><span style=\"color: #000000\"> *scenen;<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #bb2ca2\">@property<span style=\"color: #000000\"> (<\/span>nonatomic<span style=\"color: #000000\">, <\/span>weak<span style=\"color: #000000\">) <\/span><span style=\"color: #703daa\">UIView<\/span><span style=\"color: #000000\"> *direction;<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #bb2ca2\">@property<span style=\"color: #000000\"> (<\/span>nonatomic<span style=\"color: #000000\">, <\/span>weak<span style=\"color: #000000\">) <\/span><span style=\"color: #703daa\">UIView<\/span><span style=\"color: #000000\"> *power;<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #bb2ca2\">@end<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px\"><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span style=\"color: #bb2ca2\">@implementation<\/span> ViewController<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px\"><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\">&#8211; (<span style=\"color: #bb2ca2\">void<\/span>)viewDidLoad {<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #3d1d81\"><span style=\"color: #000000\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>[<\/span><span style=\"color: #bb2ca2\">super<\/span><span style=\"color: #000000\"> <\/span>viewDidLoad<span style=\"color: #000000\">];<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #3d1d81\"><span style=\"color: #000000\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span><\/span><span style=\"color: #bb2ca2\">self<\/span><span style=\"color: #000000\">.<\/span><span style=\"color: #703daa\">view<\/span><span style=\"color: #000000\">.<\/span><span style=\"color: #703daa\">backgroundColor<\/span><span style=\"color: #000000\"> = [<\/span><span style=\"color: #703daa\">UIColor<\/span><span style=\"color: #000000\"> <\/span>colorWithHue<span style=\"color: #000000\">:<\/span><span style=\"color: #272ad8\">0.6<\/span><span style=\"color: #000000\"> <\/span>saturation<span style=\"color: #000000\">:<\/span><span style=\"color: #272ad8\">0.05<\/span><span style=\"color: #000000\"> <\/span>brightness<span style=\"color: #000000\">:<\/span><span style=\"color: #272ad8\">1<\/span><span style=\"color: #000000\"> <\/span>alpha<span style=\"color: #000000\">:<\/span><span style=\"color: #272ad8\">1<\/span><span style=\"color: #000000\">];<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px\"><span class=\"Apple-converted-space\">\u00a0\u00a0 \u00a0<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #31595d\"><span style=\"color: #000000\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>[<\/span><span style=\"color: #bb2ca2\">self<\/span><span style=\"color: #000000\"> <\/span>setupScene<span style=\"color: #000000\">];<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #31595d\"><span style=\"color: #000000\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>[<\/span><span style=\"color: #bb2ca2\">self<\/span><span style=\"color: #000000\"> <\/span>createPole<span style=\"color: #000000\">];<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #31595d\"><span style=\"color: #000000\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>[<\/span><span style=\"color: #bb2ca2\">self<\/span><span style=\"color: #000000\"> <\/span>createCamera<span style=\"color: #000000\">];<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px\"><span class=\"Apple-converted-space\">\u00a0\u00a0 \u00a0<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>[<span style=\"color: #bb2ca2\">self<\/span> <span style=\"color: #31595d\">createUI<\/span>];<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\">}<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px\"><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\">&#8211; (<span style=\"color: #bb2ca2\">void<\/span>)setupScene {<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span><span style=\"color: #bb2ca2\">float<\/span> w = <span style=\"color: #3d1d81\">CGRectGetMaxX<\/span>(<span style=\"color: #bb2ca2\">self<\/span>.<span style=\"color: #703daa\">view<\/span>.<span style=\"color: #703daa\">bounds<\/span>);<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span><span style=\"color: #703daa\">SCNView<\/span> *sceneView = [[<span style=\"color: #703daa\">SCNView<\/span> <span style=\"color: #3d1d81\">alloc<\/span>] <span style=\"color: #3d1d81\">initWithFrame<\/span>:<span style=\"color: #3d1d81\">CGRectMake<\/span>(<span style=\"color: #272ad8\">0<\/span>, <span style=\"color: #272ad8\">0<\/span>, w, w)];<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #3d1d81\"><span style=\"color: #000000\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>sceneView.<\/span><span style=\"color: #703daa\">backgroundColor<\/span><span style=\"color: #000000\"> = [<\/span><span style=\"color: #703daa\">UIColor<\/span><span style=\"color: #000000\"> <\/span>colorWithHue<span style=\"color: #000000\">:<\/span><span style=\"color: #272ad8\">0.15<\/span><span style=\"color: #000000\"> <\/span>saturation<span style=\"color: #000000\">:<\/span><span style=\"color: #272ad8\">0.8<\/span><span style=\"color: #000000\"> <\/span>brightness<span style=\"color: #000000\">:<\/span><span style=\"color: #272ad8\">1<\/span><span style=\"color: #000000\"> <\/span>alpha<span style=\"color: #000000\">:<\/span><span style=\"color: #272ad8\">1<\/span><span style=\"color: #000000\">];<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>sceneView.<span style=\"color: #703daa\">scene<\/span> = [<span style=\"color: #703daa\">SCNScene<\/span> <span style=\"color: #3d1d81\">scene<\/span>];<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>[<span style=\"color: #bb2ca2\">self<\/span>.<span style=\"color: #703daa\">view<\/span> <span style=\"color: #3d1d81\">addSubview<\/span>:sceneView];<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px\"><span class=\"Apple-converted-space\">\u00a0\u00a0 \u00a0<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span><span style=\"color: #bb2ca2\">self<\/span>.<span style=\"color: #4f8187\">scenen<\/span> = sceneView.<span style=\"color: #703daa\">scene<\/span>;<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\">}<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px\"><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\">&#8211; (<span style=\"color: #bb2ca2\">void<\/span>)createPole {<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #3d1d81\"><span style=\"color: #000000\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span><\/span><span style=\"color: #703daa\">SCNBox<\/span><span style=\"color: #000000\"> *box = [<\/span><span style=\"color: #703daa\">SCNBox<\/span><span style=\"color: #000000\"> <\/span>boxWithWidth<span style=\"color: #000000\">:<\/span><span style=\"color: #272ad8\">20<\/span><span style=\"color: #000000\"> <\/span>height<span style=\"color: #000000\">:<\/span><span style=\"color: #272ad8\">1<\/span><span style=\"color: #000000\"> <\/span>length<span style=\"color: #000000\">:<\/span><span style=\"color: #272ad8\">20<\/span><span style=\"color: #000000\"> <\/span>chamferRadius<span style=\"color: #000000\">:<\/span><span style=\"color: #272ad8\">0<\/span><span style=\"color: #000000\">];<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #3d1d81\"><span style=\"color: #000000\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>box.<\/span><span style=\"color: #703daa\">firstMaterial<\/span><span style=\"color: #000000\">.<\/span><span style=\"color: #703daa\">diffuse<\/span><span style=\"color: #000000\">.<\/span><span style=\"color: #703daa\">contents<\/span><span style=\"color: #000000\"> = [<\/span><span style=\"color: #703daa\">UIColor<\/span><span style=\"color: #000000\"> <\/span>colorWithHue<span style=\"color: #000000\">:<\/span><span style=\"color: #272ad8\">0.25<\/span><span style=\"color: #000000\"> <\/span>saturation<span style=\"color: #000000\">:<\/span><span style=\"color: #272ad8\">0.6<\/span><span style=\"color: #000000\"> <\/span>brightness<span style=\"color: #000000\">:<\/span><span style=\"color: #272ad8\">0.6<\/span><span style=\"color: #000000\"> <\/span>alpha<span style=\"color: #000000\">:<\/span><span style=\"color: #272ad8\">1<\/span><span style=\"color: #000000\">];<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span><span style=\"color: #703daa\">SCNNode<\/span> *boxNode = [<span style=\"color: #703daa\">SCNNode<\/span> <span style=\"color: #3d1d81\">nodeWithGeometry<\/span>:box];<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>[<span style=\"color: #bb2ca2\">self<\/span>.<span style=\"color: #4f8187\">scenen<\/span>.<span style=\"color: #703daa\">rootNode<\/span> <span style=\"color: #3d1d81\">addChildNode<\/span>:boxNode];<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #703daa\"><span style=\"color: #000000\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>boxNode.<\/span>physicsBody<span style=\"color: #000000\"> = [<\/span>SCNPhysicsBody<span style=\"color: #000000\"> <\/span><span style=\"color: #3d1d81\">staticBody<\/span><span style=\"color: #000000\">];<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #703daa\"><span style=\"color: #000000\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>boxNode.<\/span>physicsBody<span style=\"color: #000000\">.<\/span>friction<span style=\"color: #000000\"> = <\/span><span style=\"color: #272ad8\">1.0<\/span><span style=\"color: #000000\">;<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px\"><span class=\"Apple-converted-space\">\u00a0\u00a0 \u00a0<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #3d1d81\"><span style=\"color: #000000\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span><\/span><span style=\"color: #703daa\">SCNCylinder<\/span><span style=\"color: #000000\"> *pole = [<\/span><span style=\"color: #703daa\">SCNCylinder<\/span><span style=\"color: #000000\"> <\/span>cylinderWithRadius<span style=\"color: #000000\">:<\/span><span style=\"color: #272ad8\">1<\/span><span style=\"color: #000000\"> <\/span>height<span style=\"color: #000000\">:<\/span><span style=\"color: #272ad8\">5<\/span><span style=\"color: #000000\">];<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #3d1d81\"><span style=\"color: #000000\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>pole.<\/span><span style=\"color: #703daa\">firstMaterial<\/span><span style=\"color: #000000\">.<\/span><span style=\"color: #703daa\">diffuse<\/span><span style=\"color: #000000\">.<\/span><span style=\"color: #703daa\">contents<\/span><span style=\"color: #000000\"> = [<\/span><span style=\"color: #703daa\">UIColor<\/span><span style=\"color: #000000\"> <\/span>colorWithHue<span style=\"color: #000000\">:<\/span><span style=\"color: #272ad8\">0.4<\/span><span style=\"color: #000000\"> <\/span>saturation<span style=\"color: #000000\">:<\/span><span style=\"color: #272ad8\">0.6<\/span><span style=\"color: #000000\"> <\/span>brightness<span style=\"color: #000000\">:<\/span><span style=\"color: #272ad8\">0.8<\/span><span style=\"color: #000000\"> <\/span>alpha<span style=\"color: #000000\">:<\/span><span style=\"color: #272ad8\">1<\/span><span style=\"color: #000000\">];<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span><span style=\"color: #703daa\">SCNNode<\/span> *poleNode = [<span style=\"color: #703daa\">SCNNode<\/span> <span style=\"color: #3d1d81\">nodeWithGeometry<\/span>:pole];<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>poleNode.<span style=\"color: #703daa\">position<\/span> = <span style=\"color: #3d1d81\">SCNVector3Make<\/span>(<span style=\"color: #272ad8\">0<\/span>, <span style=\"color: #272ad8\">3<\/span>, <span style=\"color: #272ad8\">0<\/span>);<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>[<span style=\"color: #bb2ca2\">self<\/span>.<span style=\"color: #4f8187\">scenen<\/span>.<span style=\"color: #703daa\">rootNode<\/span> <span style=\"color: #3d1d81\">addChildNode<\/span>:poleNode];<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #703daa\"><span style=\"color: #000000\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>poleNode.<\/span>physicsBody<span style=\"color: #000000\"> = [<\/span>SCNPhysicsBody<span style=\"color: #000000\"> <\/span><span style=\"color: #3d1d81\">staticBody<\/span><span style=\"color: #000000\">];<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\">}<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px\"><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\">&#8211; (<span style=\"color: #bb2ca2\">void<\/span>)createCamera {<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span><span style=\"color: #703daa\">SCNNode<\/span> *camera = [<span style=\"color: #703daa\">SCNNode<\/span> <span style=\"color: #3d1d81\">node<\/span>];<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>camera.<span style=\"color: #703daa\">camera<\/span> = [<span style=\"color: #703daa\">SCNCamera<\/span> <span style=\"color: #3d1d81\">camera<\/span>];<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>camera.<span style=\"color: #703daa\">position<\/span> = <span style=\"color: #3d1d81\">SCNVector3Make<\/span>(<span style=\"color: #272ad8\">0<\/span>, <span style=\"color: #272ad8\">10<\/span>, <span style=\"color: #272ad8\">40<\/span>);<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>[<span style=\"color: #bb2ca2\">self<\/span>.<span style=\"color: #4f8187\">scenen<\/span>.<span style=\"color: #703daa\">rootNode<\/span> <span style=\"color: #3d1d81\">addChildNode<\/span>:camera];<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\">}<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px\"><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\">&#8211; (<span style=\"color: #bb2ca2\">void<\/span>)createUI {<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px\"><span class=\"Apple-converted-space\">\u00a0\u00a0 \u00a0<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span><span style=\"color: #703daa\">UIView<\/span> *direction = [[<span style=\"color: #703daa\">UIView<\/span> <span style=\"color: #3d1d81\">alloc<\/span>] <span style=\"color: #3d1d81\">initWithFrame<\/span>:<span style=\"color: #3d1d81\">CGRectMake<\/span>(<span style=\"color: #272ad8\">0<\/span>, <span style=\"color: #272ad8\">0<\/span>, <span style=\"color: #272ad8\">80<\/span>, <span style=\"color: #272ad8\">80<\/span>)];<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>direction.<span style=\"color: #703daa\">layer<\/span>.<span style=\"color: #703daa\">cornerRadius<\/span> = <span style=\"color: #272ad8\">40<\/span>;<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #3d1d81\"><span style=\"color: #000000\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>direction.<\/span><span style=\"color: #703daa\">backgroundColor<\/span><span style=\"color: #000000\"> = [<\/span><span style=\"color: #703daa\">UIColor<\/span><span style=\"color: #000000\"> <\/span>colorWithHue<span style=\"color: #000000\">:<\/span><span style=\"color: #272ad8\">0.4<\/span><span style=\"color: #000000\"> <\/span>saturation<span style=\"color: #000000\">:<\/span><span style=\"color: #272ad8\">0.7<\/span><span style=\"color: #000000\"> <\/span>brightness<span style=\"color: #000000\">:<\/span><span style=\"color: #272ad8\">1<\/span><span style=\"color: #000000\"> <\/span>alpha<span style=\"color: #000000\">:<\/span><span style=\"color: #272ad8\">1<\/span><span style=\"color: #000000\">];<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #3d1d81\"><span style=\"color: #000000\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>direction.<\/span><span style=\"color: #703daa\">center<\/span><span style=\"color: #000000\"> = <\/span>CGPointMake<span style=\"color: #000000\">(<\/span>CGRectGetMaxX<span style=\"color: #000000\">(<\/span><span style=\"color: #bb2ca2\">self<\/span><span style=\"color: #000000\">.<\/span><span style=\"color: #703daa\">view<\/span><span style=\"color: #000000\">.<\/span><span style=\"color: #703daa\">bounds<\/span><span style=\"color: #000000\">)\/<\/span><span style=\"color: #272ad8\">4.0<\/span><span style=\"color: #000000\">, <\/span>CGRectGetMaxX<span style=\"color: #000000\">(<\/span><span style=\"color: #bb2ca2\">self<\/span><span style=\"color: #000000\">.<\/span><span style=\"color: #703daa\">view<\/span><span style=\"color: #000000\">.<\/span><span style=\"color: #703daa\">bounds<\/span><span style=\"color: #000000\">) + <\/span><span style=\"color: #272ad8\">80<\/span><span style=\"color: #000000\">);<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>[<span style=\"color: #bb2ca2\">self<\/span>.<span style=\"color: #703daa\">view<\/span> <span style=\"color: #3d1d81\">addSubview<\/span>:direction];<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #703daa\"><span style=\"color: #000000\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span><\/span>UIBezierPath<span style=\"color: #000000\"> *path = [<\/span>UIBezierPath<span style=\"color: #000000\"> <\/span><span style=\"color: #3d1d81\">bezierPath<\/span><span style=\"color: #000000\">];<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #3d1d81\"><span style=\"color: #000000\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>[path <\/span>moveToPoint<span style=\"color: #000000\">:<\/span>CGPointMake<span style=\"color: #000000\">(-<\/span><span style=\"color: #272ad8\">30<\/span><span style=\"color: #000000\">, &#8211;<\/span><span style=\"color: #272ad8\">10<\/span><span style=\"color: #000000\">)];<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #3d1d81\"><span style=\"color: #000000\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>[path <\/span>addLineToPoint<span style=\"color: #000000\">:<\/span>CGPointMake<span style=\"color: #000000\">(<\/span><span style=\"color: #272ad8\">0<\/span><span style=\"color: #000000\">, &#8211;<\/span><span style=\"color: #272ad8\">30<\/span><span style=\"color: #000000\">)];<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #3d1d81\"><span style=\"color: #000000\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>[path <\/span>addLineToPoint<span style=\"color: #000000\">:<\/span>CGPointMake<span style=\"color: #000000\">(<\/span><span style=\"color: #272ad8\">30<\/span><span style=\"color: #000000\">, &#8211;<\/span><span style=\"color: #272ad8\">10<\/span><span style=\"color: #000000\">)];<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>[path <span style=\"color: #3d1d81\">closePath<\/span>];<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #3d1d81\"><span style=\"color: #000000\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>[path <\/span>appendPath<span style=\"color: #000000\">:[<\/span><span style=\"color: #703daa\">UIBezierPath<\/span><span style=\"color: #000000\"> <\/span>bezierPathWithRect<span style=\"color: #000000\">:<\/span>CGRectMake<span style=\"color: #000000\">(-<\/span><span style=\"color: #272ad8\">5<\/span><span style=\"color: #000000\">, &#8211;<\/span><span style=\"color: #272ad8\">10<\/span><span style=\"color: #000000\">, <\/span><span style=\"color: #272ad8\">10<\/span><span style=\"color: #000000\">, <\/span><span style=\"color: #272ad8\">50<\/span><span style=\"color: #000000\">)]];<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #703daa\"><span style=\"color: #000000\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span><\/span>CAShapeLayer<span style=\"color: #000000\"> *arrow = [<\/span>CAShapeLayer<span style=\"color: #000000\"> <\/span><span style=\"color: #3d1d81\">layer<\/span><span style=\"color: #000000\">];<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>arrow.<span style=\"color: #703daa\">path<\/span> = path.<span style=\"color: #703daa\">CGPath<\/span>;<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #703daa\"><span style=\"color: #000000\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>arrow.<\/span>fillColor<span style=\"color: #000000\"> = [<\/span>UIColor<span style=\"color: #000000\"> <\/span><span style=\"color: #3d1d81\">whiteColor<\/span><span style=\"color: #000000\">].<\/span>CGColor<span style=\"color: #000000\">;<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>arrow.<span style=\"color: #703daa\">position<\/span> = <span style=\"color: #3d1d81\">CGPointMake<\/span>(<span style=\"color: #272ad8\">40<\/span>, <span style=\"color: #272ad8\">40<\/span>);<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>[direction.<span style=\"color: #703daa\">layer<\/span> <span style=\"color: #3d1d81\">addSublayer<\/span>:arrow];<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span><span style=\"color: #bb2ca2\">self<\/span>.<span style=\"color: #4f8187\">direction<\/span> = direction;<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px\"><span class=\"Apple-converted-space\">\u00a0\u00a0 \u00a0<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px\"><span class=\"Apple-converted-space\">\u00a0\u00a0 \u00a0<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span><span style=\"color: #703daa\">UIView<\/span> *power = [[<span style=\"color: #703daa\">UIView<\/span> <span style=\"color: #3d1d81\">alloc<\/span>] <span style=\"color: #3d1d81\">initWithFrame<\/span>:<span style=\"color: #3d1d81\">CGRectMake<\/span>(<span style=\"color: #272ad8\">0<\/span>, <span style=\"color: #272ad8\">0<\/span>, <span style=\"color: #272ad8\">30<\/span>, <span style=\"color: #272ad8\">120<\/span>)];<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #3d1d81\"><span style=\"color: #000000\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>power.<\/span><span style=\"color: #703daa\">center<\/span><span style=\"color: #000000\"> = <\/span>CGPointMake<span style=\"color: #000000\">(<\/span>CGRectGetMaxX<span style=\"color: #000000\">(<\/span><span style=\"color: #bb2ca2\">self<\/span><span style=\"color: #000000\">.<\/span><span style=\"color: #703daa\">view<\/span><span style=\"color: #000000\">.<\/span><span style=\"color: #703daa\">bounds<\/span><span style=\"color: #000000\">) * <\/span><span style=\"color: #272ad8\">3.0<\/span><span style=\"color: #000000\"> \/ <\/span><span style=\"color: #272ad8\">4.0<\/span><span style=\"color: #000000\">, <\/span>CGRectGetMaxX<span style=\"color: #000000\">(<\/span><span style=\"color: #bb2ca2\">self<\/span><span style=\"color: #000000\">.<\/span><span style=\"color: #703daa\">view<\/span><span style=\"color: #000000\">.<\/span><span style=\"color: #703daa\">bounds<\/span><span style=\"color: #000000\">) + <\/span><span style=\"color: #272ad8\">80<\/span><span style=\"color: #000000\">);<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>[<span style=\"color: #bb2ca2\">self<\/span>.<span style=\"color: #703daa\">view<\/span> <span style=\"color: #3d1d81\">addSubview<\/span>:power];<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #703daa\"><span style=\"color: #000000\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span><\/span>CAGradientLayer<span style=\"color: #000000\"> *gradient = [<\/span>CAGradientLayer<span style=\"color: #000000\"> <\/span><span style=\"color: #3d1d81\">layer<\/span><span style=\"color: #000000\">];<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>gradient.<span style=\"color: #703daa\">frame<\/span> = power.<span style=\"color: #703daa\">bounds<\/span>;<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #3d1d81\"><span style=\"color: #000000\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>gradient.<\/span><span style=\"color: #703daa\">colors<\/span><span style=\"color: #000000\"> = [<\/span><span style=\"color: #703daa\">NSArray<\/span><span style=\"color: #000000\"> <\/span>arrayWithObjects<span style=\"color: #000000\">:(<\/span><span style=\"color: #bb2ca2\">id<\/span><span style=\"color: #000000\">)[[<\/span><span style=\"color: #703daa\">UIColor<\/span><span style=\"color: #000000\"> <\/span>redColor<span style=\"color: #000000\">] <\/span>CGColor<span style=\"color: #000000\">], (<\/span><span style=\"color: #bb2ca2\">id<\/span><span style=\"color: #000000\">)[[<\/span><span style=\"color: #703daa\">UIColor<\/span><span style=\"color: #000000\"> <\/span>greenColor<span style=\"color: #000000\">] <\/span>CGColor<span style=\"color: #000000\">], <\/span><span style=\"color: #bb2ca2\">nil<\/span><span style=\"color: #000000\">];<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>[power.<span style=\"color: #703daa\">layer<\/span> <span style=\"color: #3d1d81\">insertSublayer<\/span>:gradient <span style=\"color: #3d1d81\">atIndex<\/span>:<span style=\"color: #272ad8\">0<\/span>];<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span><span style=\"color: #bb2ca2\">self<\/span>.<span style=\"color: #4f8187\">power<\/span> = power;<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\">}<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px\"><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\">&#8211; (<span style=\"color: #bb2ca2\">void<\/span>)touchesBegan:(<span style=\"color: #703daa\">NSSet<\/span> *)touches withEvent:(<span style=\"color: #703daa\">UIEvent<\/span> *)event<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\">{<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span><span style=\"color: #703daa\">CGPoint<\/span> p = [[touches <span style=\"color: #3d1d81\">anyObject<\/span>] <span style=\"color: #3d1d81\">locationInView<\/span>:<span style=\"color: #bb2ca2\">self<\/span>.<span style=\"color: #703daa\">view<\/span>];<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #3d1d81\"><span style=\"color: #000000\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span><\/span><span style=\"color: #bb2ca2\">if<\/span><span style=\"color: #000000\"> (<\/span>CGRectContainsPoint<span style=\"color: #000000\">(<\/span><span style=\"color: #bb2ca2\">self<\/span><span style=\"color: #000000\">.<\/span><span style=\"color: #4f8187\">direction<\/span><span style=\"color: #000000\">.<\/span><span style=\"color: #703daa\">frame<\/span><span style=\"color: #000000\">, p)) {<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #3d1d81\"><span style=\"color: #000000\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 \u00a0 \u00a0 <\/span><\/span><span style=\"color: #bb2ca2\">self<\/span><span style=\"color: #000000\">.<\/span><span style=\"color: #4f8187\">direction<\/span><span style=\"color: #000000\">.<\/span><span style=\"color: #703daa\">transform<\/span><span style=\"color: #000000\"> = <\/span>CGAffineTransformRotate<span style=\"color: #000000\">(<\/span><span style=\"color: #bb2ca2\">self<\/span><span style=\"color: #000000\">.<\/span><span style=\"color: #4f8187\">direction<\/span><span style=\"color: #000000\">.<\/span><span style=\"color: #703daa\">transform<\/span><span style=\"color: #000000\">, <\/span><span style=\"color: #78492a\">M_PI<\/span><span style=\"color: #000000\">\/<\/span><span style=\"color: #272ad8\">10.0<\/span><span style=\"color: #000000\">);<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>} <span style=\"color: #bb2ca2\">else<\/span> <span style=\"color: #bb2ca2\">if<\/span> (<span style=\"color: #3d1d81\">CGRectContainsPoint<\/span>(<span style=\"color: #bb2ca2\">self<\/span>.<span style=\"color: #4f8187\">power<\/span>.<span style=\"color: #703daa\">frame<\/span>, p)) {<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 \u00a0 \u00a0 <\/span><span style=\"color: #bb2ca2\">float<\/span> level = (<span style=\"color: #272ad8\">120<\/span> &#8211; [[touches <span style=\"color: #3d1d81\">anyObject<\/span>] <span style=\"color: #3d1d81\">locationInView<\/span>:<span style=\"color: #bb2ca2\">self<\/span>.<span style=\"color: #4f8187\">power<\/span>].<span style=\"color: #703daa\">y<\/span>) * <span style=\"color: #272ad8\">0.2<\/span>;<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 \u00a0 \u00a0 <\/span><span style=\"color: #bb2ca2\">float<\/span> angle = [[<span style=\"color: #bb2ca2\">self<\/span>.<span style=\"color: #4f8187\">direction<\/span>.<span style=\"color: #703daa\">layer<\/span> <span style=\"color: #3d1d81\">valueForKeyPath<\/span>:<span style=\"color: #d12f1b\">@&#8221;transform.rotation.z&#8221;<\/span>] <span style=\"color: #3d1d81\">floatValue<\/span>] &#8211; <span style=\"color: #78492a\">M_PI<\/span>\/<span style=\"color: #272ad8\">2.0<\/span>;<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px\"><span class=\"Apple-converted-space\">\u00a0\u00a0 \u00a0 \u00a0 \u00a0<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #3d1d81\"><span style=\"color: #000000\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 \u00a0 \u00a0 <\/span><\/span><span style=\"color: #703daa\">SCNTorus<\/span><span style=\"color: #000000\"> *ring = [<\/span><span style=\"color: #703daa\">SCNTorus<\/span><span style=\"color: #000000\"> <\/span>torusWithRingRadius<span style=\"color: #000000\">:<\/span><span style=\"color: #272ad8\">4<\/span><span style=\"color: #000000\"> <\/span>pipeRadius<span style=\"color: #000000\">:<\/span><span style=\"color: #272ad8\">0.3<\/span><span style=\"color: #000000\">];<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #703daa\"><span style=\"color: #000000\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 \u00a0 \u00a0 <\/span>ring.<\/span>firstMaterial<span style=\"color: #000000\">.<\/span>diffuse<span style=\"color: #000000\">.<\/span>contents<span style=\"color: #000000\"> = [<\/span>UIColor<span style=\"color: #000000\"> <\/span><span style=\"color: #3d1d81\">redColor<\/span><span style=\"color: #000000\">];<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 \u00a0 \u00a0 <\/span><span style=\"color: #703daa\">SCNNode<\/span> *ringNode = [<span style=\"color: #703daa\">SCNNode<\/span> <span style=\"color: #3d1d81\">nodeWithGeometry<\/span>:ring];<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 \u00a0 \u00a0 <\/span>ringNode.<span style=\"color: #703daa\">position<\/span> = <span style=\"color: #3d1d81\">SCNVector3Make<\/span>(<span style=\"color: #272ad8\">0<\/span>, <span style=\"color: #272ad8\">0<\/span>, <span style=\"color: #272ad8\">30<\/span>);<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 \u00a0 \u00a0 <\/span>[<span style=\"color: #bb2ca2\">self<\/span>.<span style=\"color: #4f8187\">scenen<\/span>.<span style=\"color: #703daa\">rootNode<\/span> <span style=\"color: #3d1d81\">addChildNode<\/span>:ringNode];<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px\"><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #703daa\"><span style=\"color: #000000\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 \u00a0 \u00a0 <\/span>ringNode.<\/span>physicsBody<span style=\"color: #000000\"> = [<\/span>SCNPhysicsBody<span style=\"color: #000000\"> <\/span><span style=\"color: #3d1d81\">dynamicBody<\/span><span style=\"color: #000000\">];<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px\"><span class=\"Apple-converted-space\">\u00a0\u00a0 \u00a0 \u00a0 \u00a0<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #703daa\"><span style=\"color: #000000\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 \u00a0 \u00a0 <\/span><\/span>NSMutableArray<span style=\"color: #000000\"> *arr = [<\/span>NSMutableArray<span style=\"color: #000000\"> <\/span><span style=\"color: #3d1d81\">array<\/span><span style=\"color: #000000\">];<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #703daa\"><span style=\"color: #000000\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 \u00a0 \u00a0 <\/span><\/span>NSMutableArray<span style=\"color: #000000\"> *transforms = [<\/span>NSMutableArray<span style=\"color: #000000\"> <\/span><span style=\"color: #3d1d81\">array<\/span><span style=\"color: #000000\">];<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 \u00a0 \u00a0 <\/span><span style=\"color: #bb2ca2\">for<\/span> (<span style=\"color: #bb2ca2\">int<\/span> i=<span style=\"color: #272ad8\">0<\/span>; i&lt;<span style=\"color: #272ad8\">10<\/span>; i++) {<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #3d1d81\"><span style=\"color: #000000\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <\/span><\/span><span style=\"color: #703daa\">SCNBox<\/span><span style=\"color: #000000\"> *boxRing = [<\/span><span style=\"color: #703daa\">SCNBox<\/span><span style=\"color: #000000\"> <\/span>boxWithWidth<span style=\"color: #000000\">:<\/span><span style=\"color: #272ad8\">2<\/span><span style=\"color: #000000\"> <\/span>height<span style=\"color: #000000\">:<\/span><span style=\"color: #272ad8\">0.6<\/span><span style=\"color: #000000\"> <\/span>length<span style=\"color: #000000\">:<\/span><span style=\"color: #272ad8\">0.6<\/span><span style=\"color: #000000\"> <\/span>chamferRadius<span style=\"color: #000000\">:<\/span><span style=\"color: #272ad8\">0<\/span><span style=\"color: #000000\">];<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #703daa\"><span style=\"color: #000000\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <\/span>[arr <\/span><span style=\"color: #3d1d81\">addObject<\/span><span style=\"color: #000000\">:[<\/span>SCNPhysicsShape<span style=\"color: #000000\"> <\/span><span style=\"color: #3d1d81\">shapeWithGeometry<\/span><span style=\"color: #000000\">:boxRing <\/span><span style=\"color: #3d1d81\">options<\/span><span style=\"color: #000000\">:<\/span><span style=\"color: #272ad8\">@{<\/span>SCNPhysicsShapeTypeKey<span style=\"color: #000000\"> : <\/span>SCNPhysicsShapeTypeBoundingBox<span style=\"color: #000000\">, <\/span>SCNPhysicsShapeKeepAsCompoundKey<span style=\"color: #000000\"> : <\/span><span style=\"color: #272ad8\">@YES}<\/span><span style=\"color: #000000\">]];<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px\"><span class=\"Apple-converted-space\">\u00a0\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <\/span><span style=\"color: #bb2ca2\">float<\/span> angle = i * <span style=\"color: #78492a\">M_PI<\/span> \/ <span style=\"color: #272ad8\">5.0<\/span>;<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #3d1d81\"><span style=\"color: #000000\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <\/span>[transforms <\/span>addObject<span style=\"color: #000000\">:[<\/span><span style=\"color: #703daa\">NSValue<\/span><span style=\"color: #000000\"> <\/span>valueWithSCNMatrix4<span style=\"color: #000000\">:<\/span>SCNMatrix4MakeTranslation<span style=\"color: #000000\">(<\/span><span style=\"color: #272ad8\">4.0<\/span><span style=\"color: #000000\"> * <\/span>cos<span style=\"color: #000000\">(angle), <\/span><span style=\"color: #272ad8\">0<\/span><span style=\"color: #000000\">, <\/span><span style=\"color: #272ad8\">4.0<\/span><span style=\"color: #000000\"> * <\/span>sin<span style=\"color: #000000\">(angle))]];<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px\"><span class=\"Apple-converted-space\">\u00a0\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 \u00a0 \u00a0 <\/span>}<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 \u00a0 \u00a0 <\/span>ringNode.<span style=\"color: #703daa\">physicsBody<\/span>.<span style=\"color: #703daa\">physicsShape<\/span> = [<span style=\"color: #703daa\">SCNPhysicsShape<\/span> <span style=\"color: #3d1d81\">shapeWithShapes<\/span>:arr <span style=\"color: #3d1d81\">transforms<\/span>:transforms];<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px\"><span class=\"Apple-converted-space\">\u00a0\u00a0 \u00a0 \u00a0 \u00a0<\/span><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 \u00a0 \u00a0 <\/span><span style=\"color: #bb2ca2\">float<\/span> x = <span style=\"color: #3d1d81\">cos<\/span>(angle) * level;<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 \u00a0 \u00a0 <\/span><span style=\"color: #bb2ca2\">float<\/span> z = <span style=\"color: #3d1d81\">sin<\/span>(angle) * level;<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 \u00a0 \u00a0 <\/span>[ringNode.<span style=\"color: #703daa\">physicsBody<\/span> <span style=\"color: #3d1d81\">applyForce<\/span>:<span style=\"color: #3d1d81\">SCNVector3Make<\/span>(x, <span style=\"color: #272ad8\">15<\/span>, z) <span style=\"color: #3d1d81\">impulse<\/span>:<span style=\"color: #bb2ca2\">YES<\/span>];<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\"><span class=\"Apple-converted-space\">\u00a0 \u00a0 <\/span>}<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo\">}<\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px\"><\/p>\n<p style=\"margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #bb2ca2\">@end<\/p>\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>3D\u306e\u8f2a\u6295\u3052\u3001iPhone\u30a2\u30d7\u30ea\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u63cf\u3044\u3066&#8230;<\/p>\n","protected":false},"author":2,"featured_media":3208,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[125,24,119,126],"class_list":["post-3206","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ios","tag-ios8","tag-iphone","tag-objective-c","tag-scenekit"],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/lepetit-prince.net\/ios\/wp-content\/uploads\/d71580d53736253907e15fb32826f727.png","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/lepetit-prince.net\/ios\/index.php?rest_route=\/wp\/v2\/posts\/3206","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lepetit-prince.net\/ios\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lepetit-prince.net\/ios\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lepetit-prince.net\/ios\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/lepetit-prince.net\/ios\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3206"}],"version-history":[{"count":1,"href":"https:\/\/lepetit-prince.net\/ios\/index.php?rest_route=\/wp\/v2\/posts\/3206\/revisions"}],"predecessor-version":[{"id":3207,"href":"https:\/\/lepetit-prince.net\/ios\/index.php?rest_route=\/wp\/v2\/posts\/3206\/revisions\/3207"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lepetit-prince.net\/ios\/index.php?rest_route=\/wp\/v2\/media\/3208"}],"wp:attachment":[{"href":"https:\/\/lepetit-prince.net\/ios\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3206"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lepetit-prince.net\/ios\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3206"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lepetit-prince.net\/ios\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3206"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}