private void HandlerLongPress(UILongPressGestureRecognizer sender)
{
ARSCNView longPressScene = sender.View as ARSCNView;
CoreGraphics.CGPoint longPressLocation = sender.LocationInView(longPressScene);
SCNHitTestResult[] hitTest = longPressScene.HitTest(longPressLocation, new SCNHitTestOptions());
if (hitTest?.Any() != true)
{
return;
}
SCNNode node = hitTest.First().Node;
if (sender.State == UIGestureRecognizerState.Began)
{
SCNAction rotateAction = SCNAction.RotateBy(0, ConvertDegreesToRadians(360f), 0, 1f);
SCNAction rotateForever = SCNAction.RepeatActionForever(rotateAction);
node.RunAction(rotateForever);
}
else if (sender.State == UIGestureRecognizerState.Ended)
{
node.RemoveAllActions();
}
}
public void PositionScene(ARSCNView sceneView, string arLaunchType)
{
var arConfiguration = new ARWorldTrackingConfiguration
{
PlaneDetection = ARPlaneDetection.Horizontal,
LightEstimationEnabled = true
};
sceneView.Session.Run(arConfiguration, ARSessionRunOptions.ResetTracking);
var sceneShipNode = sceneView.Scene.RootNode.FindChildNode("ship", true);
sceneShipNode.Position = new SCNVector3(2f, -2f, -9f);
var animationCycle = SCNAction.RepeatActionForever(SCNAction.RotateBy(0f, 6f, 0, 5));
var animationCrash = SCNAction.RepeatActionForever(SCNAction.RotateBy(0, (float)Math.PI, (float)Math.PI, (float)1));
var animationNormal = SCNAction.RepeatActionForever(SCNAction.RotateBy(0, 0, 0, 1));
var animationRotate = SCNAction.RepeatActionForever(SCNAction.RotateBy(0, 0, 2, 1));
var scenePivotNode = new SCNNode {
Position = new SCNVector3(0.0f, 2.0f, 0.0f)
};
scenePivotNode.RunAction(SCNAction.RepeatActionForever(SCNAction.RotateBy(0, -2, 0, 10)));
sceneShipNode.RemoveFromParentNode();
scenePivotNode.AddChildNode(sceneShipNode);
sceneView.Scene.RootNode.AddChildNode(scenePivotNode);
sceneShipNode.Scale = new SCNVector3(0.1f, 0.1f, 0.1f);
sceneShipNode.Position = new SCNVector3(2f, -2f, -3f);
switch (arLaunchType)
{
case "Rotate Fly":
sceneShipNode.RunAction(animationRotate);
break;
case "Crash Fly":
sceneShipNode.RunAction(animationCrash);
break;
case "Cycle Fly":
sceneShipNode.RunAction(animationCycle);
break;
case "Normal Fly":
sceneShipNode.RunAction(animationNormal);
break;
default:
scenePivotNode.RemoveAllActions();
scenePivotNode.RunAction(SCNAction.Unhide());
break;
}
}
void BtnRun_TouchUpInside(object sender, EventArgs e)
{
if (planetsMove)
{
planetsMove = false;
eartParentNode.RemoveAllActions();
marsParentNode.RemoveAllActions();
sunNode.RemoveAllActions();
earthNode.RemoveAllActions();
btnRun.SetTitle("PLAY", UIControlState.Normal);
}
else
{
planetsMove = true;
eartParentNode.RunAction(RotationY(rotationEarth));
marsParentNode.RunAction(RotationY(rotationMars));
sunNode.RunAction(RotationY(rotationSun));
earthNode.RunAction(RotationY(rotationMoon));
btnRun.SetTitle("STOP", UIControlState.Normal);
}
}
public void PanCamera(CGSize dir)
{
if (lockCamera)
{
return;
}
const float f = 0.005f;
// Make sure the camera handles are correctly reset (because automatic camera animations may have put the "rotation" in a weird state
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 0.0;
cameraYHandle.RemoveAllActions();
cameraXHandle.RemoveAllActions();
if (cameraYHandle.Rotation.Y < 0f)
{
cameraYHandle.Rotation = new SCNVector4(0f, 1f, 0f, -cameraYHandle.Rotation.W);
}
if (cameraXHandle.Rotation.X < 0f)
{
cameraXHandle.Rotation = new SCNVector4(1f, 0f, 0f, -cameraXHandle.Rotation.W);
}
SCNTransaction.Commit();
SCNTransaction.Begin();
SCNTransaction.AnimationDuration = 0.5;
SCNTransaction.AnimationTimingFunction = CAMediaTimingFunction.FromName(CAMediaTimingFunction.EaseOut);
cameraYHandle.Rotation = new SCNVector4(0f, 1f, 0f, cameraYHandle.Rotation.Y * (cameraYHandle.Rotation.W - (float)dir.Width * f));
cameraXHandle.Rotation = new SCNVector4(1f, 0f, 0f, (float)Math.Max(-Math.PI / 2.0, Math.Min(0.13, cameraXHandle.Rotation.W + dir.Height * f)));
SCNTransaction.Commit();
}