private void Grid_MouseDown(object sender, MouseButtonEventArgs e)
{
if (this.CanMoveCamera)
{
if (e.MiddleButton == MouseButtonState.Pressed)
{
mouseDownLM = 2;
mouseDown = true;
centerOfViewport = viewport.PointToScreen(new Point(viewport.ActualWidth / 2, viewport.ActualHeight / 2));
MouseUtilities.SetPosition(centerOfViewport);
this.Cursor = Cursors.None;
}
else if (e.LeftButton == MouseButtonState.Pressed)
{
mouseDownLM = 1;
mouseDown = true;
diffOffset.X = translacija0.OffsetX;
diffOffset.Y = translacija0.OffsetY;
start = e.GetPosition(this);
// oblacic
Point pozicijaMisa = e.GetPosition(viewport);
Point3D point3D = new Point3D(pozicijaMisa.X, pozicijaMisa.Y, 0);
Vector3D pravac = new Vector3D(pozicijaMisa.X, pozicijaMisa.Y, 10);
PointHitTestParameters pointParameters = new PointHitTestParameters(pozicijaMisa);
RayHitTestParameters rayParameters = new RayHitTestParameters(point3D, pravac);
VisualTreeHelper.HitTest(viewport, null, HTResult, pointParameters);
}
}
}
private void Grid_MouseMove(object sender, MouseEventArgs e)
{
if (this.CanMoveCamera)
{
if (!mouseDown)
{
return;
}
if (mouseDownLM == 1)
{
Point end = e.GetPosition(this);
double rasponX = end.X - start.X;
double rasponY = end.Y - start.Y;
double sirina = this.ActualWidth;
double visina = this.ActualHeight;
int pomocna = 300;
double translacijaX = (rasponX * pomocna) / sirina;
double translacijaY = (-rasponY * pomocna) / visina;
translacija0.OffsetX = diffOffset.X + (translacijaX / (pomocna * 1));
translacija0.OffsetY = diffOffset.Y + (translacijaY / (pomocna * 1));
translacija1.OffsetX = translacija0.OffsetX;
translacija1.OffsetY = translacija0.OffsetY;
translacija2.OffsetX = translacija0.OffsetX;
translacija2.OffsetY = translacija0.OffsetY;
translacija3.OffsetX = translacija0.OffsetX;
translacija3.OffsetY = translacija0.OffsetY;
translacija4.OffsetX = translacija0.OffsetX;
translacija4.OffsetY = translacija0.OffsetY;
}
else if (mouseDownLM == 2)
{
Point relativePos = Mouse.GetPosition(viewport);
Point actualRelativePos = new Point(relativePos.X - viewport.ActualWidth / 2,
viewport.ActualHeight / 2 - relativePos.Y);
double dx = actualRelativePos.X;
double dy = actualRelativePos.Y;
yaw += dx;
pitch += dy;
// Rotate
this.Rotate();
// Set mouse position back to the center of the viewport in screen coordinates
MouseUtilities.SetPosition(centerOfViewport);
}
}
}