Revision control
Copy as Markdown
import ARKit
import SceneKit
class PlaneNode: SCNNode {
@objc init(anchor: ARPlaneAnchor?) {
super.init()
setup()
update(anchor)
}
required init?(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)
}
@objc func update(_ anchor: ARPlaneAnchor?) {
guard let anchor = anchor else { return }
let plane = geometry as? SCNPlane
plane?.width = CGFloat(anchor.extent.x)
plane?.height = CGFloat(anchor.extent.z)
let material: SCNMaterial? = plane?.firstMaterial
material?.diffuse.contentsTransform = SCNMatrix4MakeScale(anchor.extent.x, anchor.extent.z, 1)
material?.diffuse.wrapS = .repeat
material?.diffuse.wrapT = .repeat
let translateTransform: SCNMatrix4 = SCNMatrix4MakeTranslation(anchor.center.x, 0, anchor.center.z)
let rotationTransform: SCNMatrix4 = SCNMatrix4MakeRotation(-.pi / 2.0, 1.0, 0.0, 0.0)
transform = SCNMatrix4Mult(rotationTransform, translateTransform)
}
func setup() {
let plane = SCNPlane()
let material = SCNMaterial()
let img = UIImage(named: "Models.scnassets/plane_grid1.png")
material.diffuse.contents = img
material.diffuse.intensity = 0.5
plane.materials = [material]
geometry = plane
transform = SCNMatrix4MakeRotation(-.pi / 2.0, 1, 0, 0)
opacity = 0
}
}