MetalByTutorials/12-environment/skybox.playground/Sources/MetalView.swift

53 lines
1.7 KiB
Swift

import MetalKit
public class MetalView: MTKView {
public var renderer: Renderer?
public required init(coder: NSCoder) {
fatalError()
}
public override init(frame: NSRect, device: MTLDevice?) {
super.init(frame: frame, device: device)
let pan = NSPanGestureRecognizer(target: self, action: #selector(handlePan(gesture:)))
addGestureRecognizer(pan)
let click = NSClickGestureRecognizer(target: self, action: #selector(handleClick(gesture:)))
addGestureRecognizer(click)
}
@objc public func handlePan(gesture: NSPanGestureRecognizer) {
let translation = gesture.translation(in: self)
renderer?.rotateUsing(translation: translation)
gesture.setTranslation(.zero, in: self)
}
public override func scrollWheel(with event: NSEvent) {
renderer?.zoomUsing(delta: event.deltaY)
}
@objc public func handleClick(gesture: NSClickGestureRecognizer) {
guard let renderer = renderer else { return }
renderer.isWireframe = !renderer.isWireframe
}
@objc public func turbiditySliderChanged(sender: NSSlider) {
print("Turbidity: ", sender.floatValue)
renderer?.skyboxSettings.turbidity = sender.floatValue
}
@objc public func sunElevationSliderChanged(sender: NSSlider) {
print("Sun elevation: ", sender.floatValue)
renderer?.skyboxSettings.sunElevation = sender.floatValue
}
@objc public func scatteringSliderChanged(sender: NSSlider) {
print("Upper atmosphere scattering: ", sender.floatValue)
renderer?.skyboxSettings.upperAtmosphereScattering = sender.floatValue
}
@objc public func albedoSliderChanged(sender: NSSlider) {
print("Ground albedo: ", sender.floatValue)
renderer?.skyboxSettings.groundAlbedo = sender.floatValue
}
}