Пример #1
0
        protected override void MouseDown(MapViewport viewport, OrthographicCamera camera, ViewportEvent e)
        {
            var vp = viewport;

            if (vp == null)
            {
                return;
            }

            var gs = Document.Map.Data.GetOne <GridData>()?.Grid?.Spacing ?? 64;

            _state = GetStateAtPoint(e.X, e.Y, camera, out _stateCamera);
            if (_state == State.None && KeyboardState.Shift)
            {
                var p = SnapIfNeeded(camera.ScreenToWorld(e.X, e.Y));
                _stateCamera = new Camera {
                    EyePosition = p, LookPosition = p + Vector3.UnitX * 1.5f * gs
                };
                Document.Map.Data.Add(_stateCamera);
                _state = State.MovingLook;
            }
            if (_stateCamera != null)
            {
                SetViewportCamera(_stateCamera.EyePosition, _stateCamera.LookPosition);
                GetDocumentCameras().ForEach(x => x.IsActive = false);
                _stateCamera.IsActive = true;
            }
        }
Пример #2
0
        private State GetStateAtPoint(int x, int y, OrthographicCamera camera, out Camera activeCamera)
        {
            var d = 5 / camera.Zoom;

            foreach (var cam in GetCameraList())
            {
                var p    = camera.Flatten(camera.ScreenToWorld(new Vector3(x, y, 0)));
                var pos  = camera.Flatten(cam.EyePosition);
                var look = camera.Flatten(cam.LookPosition);
                activeCamera = cam;
                if (p.X >= pos.X - d && p.X <= pos.X + d && p.Y >= pos.Y - d && p.Y <= pos.Y + d)
                {
                    return(State.MovingPosition);
                }
                if (p.X >= look.X - d && p.X <= look.X + d && p.Y >= look.Y - d && p.Y <= look.Y + d)
                {
                    return(State.MovingLook);
                }
            }

            activeCamera = null;
            return(State.None);
        }