Patch_1

leenkx/Sources/iron/system/Time.hx

@@ -3,6 +3,14 @@ package iron.system;
 class Time {
 	public static var scale = 1.0;
 	
+	// TODO: VR Frame Time Override - used to sync physics with VR headset refresh rate
+	#if lnx_vr
+	public static var vrFrameTime: Float = -1.0;  // VR frame time in seconds (-1 = not in VR)
+	static var lastVRFrameTime: Float = 0.0;
+	static var vrFrameCount: Int = 0;
+	static var normalModeLogged: Bool = false;
+	#end
+	
 	static var frequency: Null<Int> = null;
 	static function initFrequency() {
 		frequency = kha.Display.primary != null ? kha.Display.primary.frequency : 60;
@@ -47,6 +55,24 @@ class Time {
 	}
 
 	public static function update() {
+		#if lnx_vr
+		// TODO: use VR frame time when in VR present mode to sync physics with headset refresh
+		if (vrFrameTime >= 0.0) {
+			if (lastVRFrameTime > 0.0) {
+				_delta = vrFrameTime - lastVRFrameTime;
+			} else {
+				_delta = 1.0 / 90.0; // Default to 90Hz for first VR frame
+			}
+			lastVRFrameTime = vrFrameTime;
+
+			return;
+		} else {
+			if (!normalModeLogged) {
+				normalModeLogged = true;
+			}
+		}
+		#end
+		
 		_delta = realTime() - lastTime;
 		lastTime = realTime();
 	}

leenkx/Sources/iron/system/VRController.hx

@@ -0,0 +1,138 @@
+package iron.system;
+
+#if lnx_vr
+import iron.math.Vec4;
+import iron.math.Quat;
+
+class VRController {
+	
+	public static var leftHandPosition: Vec4 = new Vec4();
+	public static var leftHandRotation: Quat = new Quat();
+	public static var rightHandPosition: Vec4 = new Vec4();
+	public static var rightHandRotation: Quat = new Quat();
+	
+	public static var leftHandActive: Bool = false;
+	public static var rightHandActive: Bool = false;
+	
+	public static var leftThumbstickX: Float = 0.0;
+	public static var leftThumbstickY: Float = 0.0;
+	public static var rightThumbstickX: Float = 0.0;
+	public static var rightThumbstickY: Float = 0.0;
+	
+	public static var leftTrigger: Float = 0.0;
+	public static var rightTrigger: Float = 0.0;
+	public static var leftGrip: Float = 0.0;
+	public static var rightGrip: Float = 0.0;
+	
+	public static var leftButtonX: Bool = false;
+	public static var leftButtonY: Bool = false;
+	public static var rightButtonA: Bool = false;
+	public static var rightButtonB: Bool = false;
+	
+	public static var debugLog:Bool = false;
+
+	public static function enableDebug() {
+		debugLog = true;
+	}
+	
+	public static function disableDebug() {
+		debugLog = false;
+	}
+
+	public static function updatePoses() {
+		var vr: kha.js.vr.VrInterface = cast kha.vr.VrInterface.instance;
+		if (vr == null || !vr.IsPresenting()) {
+			if (debugLog) trace("[VRController] Not presenting or VR null");
+			leftHandActive = false;
+			rightHandActive = false;
+			return;
+		}
+
+		untyped window._vrControllerFrame = (untyped window._vrControllerFrame || 0) + 1;
+		
+		leftHandActive = false;
+		rightHandActive = false;
+		
+		leftButtonX = false;
+		leftButtonY = false;
+		rightButtonA = false;
+		rightButtonB = false;
+		
+		var refSpace = untyped vr.xrRefSpace;
+		if (vr.currentInputSources == null || vr.currentFrame == null || refSpace == null) {
+			return;
+		}
+		
+		var inputSources = vr.currentInputSources;
+		var frame = vr.currentFrame;
+		
+		var sourceCount:Int = untyped inputSources.length;
+
+		for (i in 0...sourceCount) {
+			var inputSource = untyped inputSources[i];
+			if (inputSource == null) continue;
+			
+			var handedness = untyped inputSource.handedness; // "left", "right", or "none"
+
+			var gripSpace = untyped inputSource.gripSpace;
+			var targetRaySpace = untyped inputSource.targetRaySpace;
+			// use targetRaySpace first laser/pointer and fall back to gripSpace
+			var space = (targetRaySpace != null) ? targetRaySpace : gripSpace;
+			
+			if (space == null) {
+				continue;
+			}
+			
+			var pose = untyped frame.getPose(space, refSpace);
+			if (pose == null || pose.transform == null) {
+				continue;
+			}
+			
+			var transform = pose.transform;
+			var pos = transform.position;
+			var orient = transform.orientation;
+			
+			if (handedness == "left") {
+				leftHandPosition.set(pos.x, pos.y, pos.z);
+				leftHandRotation.set(orient.x, orient.y, orient.z, orient.w);
+				leftHandActive = true;
+
+				var gamepad = untyped inputSource.gamepad;
+				if (gamepad != null) {
+					// [0]=thumbstickX [1]=thumbstickY [2]=touchpadX [3]=touchpadY
+					if (gamepad.axes != null && gamepad.axes.length >= 2) {
+						leftThumbstickX = gamepad.axes[0];
+						leftThumbstickY = gamepad.axes[1];
+					}
+					// [0]=trigger [1]=grip [4]=X [5]=Y
+					if (gamepad.buttons != null) {
+						if (gamepad.buttons.length > 0) leftTrigger = gamepad.buttons[0].value;
+						if (gamepad.buttons.length > 1) leftGrip = gamepad.buttons[1].value;
+						if (gamepad.buttons.length > 4) leftButtonX = gamepad.buttons[4].pressed;
+						if (gamepad.buttons.length > 5) leftButtonY = gamepad.buttons[5].pressed;
+					}
+				}
+			}
+			else if (handedness == "right") {
+				rightHandPosition.set(pos.x, pos.y, pos.z);
+				rightHandRotation.set(orient.x, orient.y, orient.z, orient.w);
+				rightHandActive = true;
+
+				var gamepad = untyped inputSource.gamepad;
+				if (gamepad != null) {
+					if (gamepad.axes != null && gamepad.axes.length >= 2) {
+						rightThumbstickX = gamepad.axes[0];
+						rightThumbstickY = gamepad.axes[1];
+					}
+					if (gamepad.buttons != null) {
+						if (gamepad.buttons.length > 0) rightTrigger = gamepad.buttons[0].value;
+						if (gamepad.buttons.length > 1) rightGrip = gamepad.buttons[1].value;
+						if (gamepad.buttons.length > 4) rightButtonA = gamepad.buttons[4].pressed;
+						if (gamepad.buttons.length > 5) rightButtonB = gamepad.buttons[5].pressed;
+					}
+				}
+			}
+		}
+	}
+}
+#end