Add rotation animation

nicklockwood · Jul 26, 2024 · 54e7972 · 54e7972
1 parent c353154
commit 54e7972
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Showing 3 changed files with 24 additions and 0 deletions.
diff --git a/Viewer/Mac/Base.lproj/Main.storyboard b/Viewer/Mac/Base.lproj/Main.storyboard
@@ -211,6 +211,11 @@
                                                 <action selector="selectCameras:" target="Ady-hI-5gd" id="HZd-JH-W4K"/>
                                             </connections>
                                         </menuItem>
+                                        <menuItem title="Animate Rotation" keyEquivalent="r" id="HOL-Bv-wDo">
+                                            <connections>
+                                                <action selector="toggleAnimation:" target="Ady-hI-5gd" id="YHc-yb-C38"/>
+                                            </connections>
+                                        </menuItem>
                                         <menuItem title="Orthographic" keyEquivalent="O" id="B4E-h4-Tuy">
                                             <connections>
                                                 <action selector="setOrthographic:" target="Ady-hI-5gd" id="Nmz-MT-00a"/>

diff --git a/Viewer/Mac/Document.swift b/Viewer/Mac/Document.swift
@@ -410,6 +410,10 @@ class Document: NSDocument {
         viewController?.copyCamera()
     }
 
+    @IBAction func toggleAnimation(_: Any? = nil) {
+        viewController?.isAnimating.toggle()
+    }
+
     @IBAction func showWireframe(_: NSMenuItem) {
         showWireframe.toggle()
     }
@@ -426,6 +430,8 @@ class Document: NSDocument {
 
     override func validateMenuItem(_ menuItem: NSMenuItem) -> Bool {
         switch menuItem.action {
+        case #selector(toggleAnimation(_:)):
+            menuItem.state = (viewController?.isAnimating == true) ? .on : .off
         case #selector(showWireframe(_:)):
             menuItem.state = showWireframe ? .on : .off
         case #selector(showAxes(_:)):

diff --git a/Viewer/Mac/DocumentViewController.swift b/Viewer/Mac/DocumentViewController.swift
@@ -114,6 +114,19 @@ class DocumentViewController: NSViewController {
         }
     }
 
+    var isAnimating = false {
+        didSet {
+            if !isAnimating {
+                scnScene.rootNode.removeAllActions()
+                scnScene.rootNode.orientation = .init(x: 0, y: 0, z: 0, w: 0)
+            } else {
+                scnScene.rootNode.runAction(
+                    .repeatForever(.rotateBy(x: 0, y: 1, z: 0, duration: 1))
+                )
+            }
+        }
+    }
+
     var showAxes = false {
         didSet {
             if showAxes != oldValue {