bool Raycast(float maxDistance, out Vector3 hitPos, out Drawable hitDrawable)
{
var input = GetSubsystem <Input>();
hitDrawable = null;
hitPos = new Vector3();
var graphics = GetSubsystem <Graphics>();
Camera camera = CameraNode.GetComponent <Camera>();
IntVector2 pos = input.MousePosition;
Ray cameraRay = camera.GetScreenRay((float)pos.X / graphics.Width, (float)pos.Y / graphics.Height);
RayOctreeQuery query = new RayOctreeQuery(cameraRay, RayQueryLevel.RAY_TRIANGLE, maxDistance, Constants.DRAWABLE_GEOMETRY);
// Pick only geometry objects, not eg. zones or lights, only get the first (closest) hit
scene.GetComponent <Octree>().RaycastSingle(query);
if (query.Results.Count > 0)
{
var first = query.Results.First();
hitPos = first.Position;
hitDrawable = first.Drawable;
return(true);
}
return(false);
}
public static bool Raycast(Scene scene, Engn_Camera cam, float maxDistance, out Vector3 hitPos, out Drawable hitDrawable)
{
hitDrawable = null;
hitPos = Vector3.Zero;
var oct = scene.GetComponent <Octree>();
RayQueryResultList results = new RayQueryResultList();
var ray = cam.GetRay();
var query = new RayOctreeQuery(results, ray, RayQueryLevel.RayTriangle, maxDistance, DrawableFlags.DrawableGeometry);
oct.Raycast(query);
for (int i = 0; i < results.Count; i++)
{
var result = results[i];
hitDrawable = result.Drawable;
if (hitDrawable != null)
{
if (hitDrawable.Node.GetComponent <WirePlane>() != null)
{
hitDrawable = null;
continue;
}
}
hitPos = result.Position;
return(true);
}
return(false);
}
public void RaycastSingle(ref RayOctreeQuery query)
{
if (SpacePartitioner != null)
{
SpacePartitioner.RaycastSingle(ref query);
return;
}
throw new NotImplementedException();
}
void SubscribeToEvents()
{
SubscribeToEvent <PostUpdateEvent>(e =>
{
if (vehicle == null)
{
return;
}
Node vehicleNode = vehicle.Node;
// Physics update has completed. Position camera behind vehicle
Quaternion dir = Quaternion.FromAxisAngle(Vector3.UnitY, vehicleNode.Rotation.YawAngle);
dir = dir * Quaternion.FromAxisAngle(Vector3.UnitY, vehicle.Controls.Yaw);
dir = dir * Quaternion.FromAxisAngle(Vector3.UnitX, vehicle.Controls.Pitch);
Vector3 cameraTargetPos = vehicleNode.Position - (dir * new Vector3(0.0f, 0.0f, CameraDistance));
Vector3 cameraStartPos = vehicleNode.Position;
// and move it closer to the vehicle if something in between
Ray cameraRay = new Ray(cameraStartPos, cameraTargetPos - cameraStartPos);
float cameraRayLength = (cameraTargetPos - cameraStartPos).Length;
// Raycast camera against static objects (physics collision mask 2)
var query = new RayOctreeQuery(cameraRay, RayQueryLevel.RAY_TRIANGLE, cameraRayLength, Constants.DRAWABLE_ANY, 2);
PhysicsRaycastResult result = new PhysicsRaycastResult();
scene.GetComponent <PhysicsWorld>().RaycastSingle(ref result, cameraRay, cameraRayLength, 2);
if (result.Body != null)
{
cameraTargetPos = cameraStartPos + cameraRay.Direction * (result.Distance - 0.5f);
}
CameraNode.Position = cameraTargetPos;
CameraNode.Rotation = dir;
});
}
bool Raycast(float maxDistance, out Vector3 hitPos, out Drawable hitDrawable)
{
hitDrawable = null;
hitPos = Vector3.Zero;
var graphics = GetSubsystem <Graphics>();
var input = GetSubsystem <Input>();
IntVector2 pos = input.MousePosition;
Ray cameraRay = camera.GetScreenRay((float)pos.X / graphics.Width, (float)pos.Y / graphics.Height);
RayOctreeQuery query = new RayOctreeQuery(cameraRay, RayQueryLevel.RAY_TRIANGLE, maxDistance, Constants.DRAWABLE_GEOMETRY);
scene.GetComponent <Octree>().RaycastSingle(query);
if (query.Results.Count > 0)
{
var first = query.Results.First();
hitPos = first.Position;
hitDrawable = first.Drawable;
return(true);
}
return(false);
}
protected override void Render()
{
RenderToolbar();
var padding = ui.GetStyle().FramePadding;
var spacing = ui.GetStyle().ItemSpacing;
var size = new System.Numerics.Vector2(ui.GetWindowWidth() - padding.X - spacing.X,
ui.GetWindowHeight() - ui.GetCursorPos().Y - spacing.Y);
if (ui.BeginChild(0xF00, size, false, WindowFlags.Default))
{
var viewSize = ui.GetWindowSize();
_view.Size = viewSize;
var viewPos = ui.GetCursorScreenPos();
ui.Image(_view.Texture.NativeInstance, viewSize, Vector2.Zero, Vector2.One, Vector4.One, Vector4.Zero);
if (Input.IsMouseVisible)
{
_isMouseHoveringViewport = ui.IsItemHovered(HoveredFlags.Default);
}
_gizmo.SetScreenRect(viewPos, viewSize);
var isClickedLeft = Input.GetMouseButtonClick((int)MouseButton.Left) && ui.IsItemHovered(HoveredFlags.AllowWhenBlockedByPopup);
var isClickedRight = Input.GetMouseButtonClick((int)MouseButton.Right) && ui.IsItemHovered(HoveredFlags.AllowWhenBlockedByPopup);
_gizmo.ManipulateSelection(_view.Camera);
if (ui.IsWindowHovered())
{
WindowFlags |= WindowFlags.NoMove;
}
else
{
WindowFlags &= ~WindowFlags.NoMove;
}
if (!_gizmo.IsActive && (isClickedLeft || isClickedRight) && Input.IsMouseVisible)
{
// Handle object selection.
var pos = Input.MousePosition - new IntVector2(viewPos);
var cameraRay = _view.Camera.GetScreenRay(pos.X / size.X, pos.Y / size.Y);
// Pick only geometry objects, not eg. zones or lights, only get the first (closest) hit
var query = new RayOctreeQuery(cameraRay, RayQueryLevel.Triangle, float.PositiveInfinity, DrawableFlags.Geometry);
_view.Scene.GetComponent <Octree>().RaycastSingle(query);
if (query.Result.Length == 0)
{
// When object geometry was not hit by a ray - query for object bounding box.
query = new RayOctreeQuery(cameraRay, RayQueryLevel.Obb, float.PositiveInfinity, DrawableFlags.Geometry);
_view.Scene.GetComponent <Octree>().RaycastSingle(query);
}
if (query.Result.Length > 0)
{
var clickNode = query.Result[0].Drawable.Node;
// Temporary nodes can not be selected.
while (clickNode != null && clickNode.HasTag("__EDITOR_OBJECT__"))
{
clickNode = clickNode.Parent;
}
if (clickNode != null)
{
var appendSelection = Input.GetKeyDown(InputEvents.KeyCtrl);
if (!appendSelection)
{
_gizmo.UnselectAll();
}
_gizmo.ToggleSelection(clickNode);
// Notify inspector
_eventArgs.Clear();
_eventArgs[InspectItem.Inspectable] = Variant.FromObject(this);
SendEvent <InspectItem>(_eventArgs);
if (isClickedRight)
{
ui.OpenPopup("Node context menu");
}
}
}
else
{
_gizmo.UnselectAll();
}
}
RenderNodeContextMenu();
}
ui.EndChild();
}
