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我在ARKit中運行此功能,如果您試用它,則會出現三角形(非常高)和2右側的攝像頭,稍微平移一下。我的問題是,我的圖像材料不能適用的對象,我可以改變它的顏色,但不適用的圖像:Scenekit - 將UIImage材質添加到自定義幾何圖形中
所以此工程:
triangle.firstMaterial?.diffuse.contents = UIColor.red
但這並不:
triangle.firstMaterial?.diffuse.contents = UIImage(named: "wallpaper.jpg")
這裏是一個新鮮ARKit項目Xcode9完整視圖控制器代碼:
import UIKit
import SceneKit
import ARKit
class ViewController: UIViewController, ARSCNViewDelegate {
@IBOutlet var sceneView: ARSCNView!
override func viewDidLoad() {
super.viewDidLoad()
sceneView.delegate = self
let scene = SCNScene()
let triangle = SCNGeometry.triangleFrom(vector1: SCNVector3(x: 0.059511181, y: -0.181795284, z: -0.0939711183), vector2: SCNVector3(x: 0.113824688, y: -0.181780666, z: -0.0674673915), vector3: SCNVector3(x: 0.113824688, y: 1.8182193, z: -0.0674673915))
triangle.firstMaterial?.diffuse.contents = UIImage(named: "wallpaper.jpg")
let triangleNode = SCNNode(geometry: triangle)
triangleNode.name = "Triangle"
scene.rootNode.addChildNode(triangleNode)
sceneView.scene = scene
}
override func viewWillAppear(_ animated: Bool) {
super.viewWillAppear(animated)
// Create a session configuration
let configuration = ARWorldTrackingSessionConfiguration()
// Run the view's session
sceneView.session.run(configuration)
}
override func viewWillDisappear(_ animated: Bool) {
super.viewWillDisappear(animated)
sceneView.session.pause()
}
}
extension SCNGeometry {
class func triangleFrom(vector1: SCNVector3, vector2: SCNVector3, vector3: SCNVector3) -> SCNGeometry {
let indices: [Int32] = [0, 1, 2]
let source = SCNGeometrySource(vertices: [vector1, vector2, vector3])
let element = SCNGeometryElement(indices: indices, primitiveType: .triangles)
return SCNGeometry(sources: [source], elements: [element])
}
}
我沒有包含的唯一的東西是紋理圖像,但下載的任何圖像都可以。
感謝
感謝您的迴應,你能展示一個例子嗎? –
這篇文章是相當流行的:http://ronnqvi.st/custom-scenekit-geometry/ – mnuages
非常感謝,我會讀一讀。 –