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import ARKit
import Metal
import MetalKit
class ARKMetalController: NSObject, ARKControllerProtocol, MTKViewDelegate {
var previewingSinglePlane: Bool = false
var focusedPlane: PlaneNode?
var planes: [UUID : PlaneNode] = [:]
private var renderer: Renderer?
private var renderView: MTKView?
private var hitTestFocusPoint = CGPoint.zero
init?(sesion session: ARSession) {
super.init()
if setupAR(with: session) == false {
return nil
}
}
required init(sesion session: ARSession?, size: CGSize) {
}
func getRenderView() -> UIView! {
return renderView
}
func setHitTestFocus(_ point: CGPoint) {
return
}
func hitTest(_ point: CGPoint, with type: ARHitTestResult.ResultType) -> [Any]? {
return nil
}
func cameraProjectionTransform() -> matrix_float4x4 {
return matrix_identity_float4x4
}
func didChangeTrackingState(_ camera: ARCamera?) {
}
func currentHitTest() -> Any? {
return nil
}
func setShowMode(_ mode: ShowMode) {
}
func setShowOptions(_ options: ShowOptions) {
}
func clean() {
}
func update(_ session: ARSession?) {
}
func setupAR(with session: ARSession) -> Bool {
renderView = MTKView()
renderView = MTKView(frame: UIScreen.main.bounds, device: MTLCreateSystemDefaultDevice())
renderView?.backgroundColor = UIColor.clear
renderView?.delegate = self
guard let size = renderView?.bounds.size else {
DDLogError("Error accessing the renderView size")
return false
}
// Tony 2/21/19: Commenting out below 5 lines until Metal is utilized (need to cast
// MTKView as RenderDestinationProvider).
// guard let device = renderView?.device else {
// DDLogError("Metal is not supported on this device")
// return false
// }
// renderer = Renderer(session: session, metalDevice: device, renderDestinationProvider: renderView)
renderer?.drawRectResized(size, orientation: UIApplication.shared.statusBarOrientation)
return true
}
// MARK: - MTKViewDelegate
func mtkView(_ view: MTKView, drawableSizeWillChange size: CGSize) {
DispatchQueue.main.async(execute: {
self.renderer?.drawRectResized(size, orientation: UIApplication.shared.statusBarOrientation)
})
}
func draw(in view: MTKView) {
renderer?.update()
}
}