public void LocateObject(Model3DGroup m)
{
var bounds = new RealBounds3D
{
XBounds = new RealBounds
{
Min = (float)m.Bounds.X,
Max = (float)(m.Bounds.X + m.Bounds.SizeX)
},
YBounds = new RealBounds
{
Min = (float)(m.Bounds.Y),
Max = (float)(m.Bounds.Y + m.Bounds.SizeY)
},
ZBounds = new RealBounds
{
Min = (float)(m.Bounds.Z),
Max = (float)(m.Bounds.Z + m.Bounds.SizeZ)
}
};
ZoomToBounds(bounds);
}
public void ScaleToContent(IEnumerable <Model3DGroup> content)
{
var bounds = new RealBounds3D
{
XBounds = new RealBounds
{
Min = (float)content.Min(m => m?.Bounds.X),
Max = (float)content.Max(m => m?.Bounds.X + m?.Bounds.SizeX)
},
YBounds = new RealBounds
{
Min = (float)content.Min(m => m?.Bounds.Y),
Max = (float)content.Max(m => m?.Bounds.Y + m?.Bounds.SizeY)
},
ZBounds = new RealBounds
{
Min = (float)content.Min(m => m?.Bounds.Z),
Max = (float)content.Max(m => m?.Bounds.Z + m?.Bounds.SizeZ)
}
};
ZoomToBounds(bounds);
var len = bounds.Length;
CameraSpeed = Math.Ceiling(len);
MaxCameraSpeed = Math.Ceiling(len * 6);
MaxPosition = new Point3D(
bounds.XBounds.Max + len * 3,
bounds.YBounds.Max + len * 3,
bounds.ZBounds.Max + len * 3);
MinPosition = new Point3D(
bounds.XBounds.Min - len * 3,
bounds.YBounds.Min - len * 3,
bounds.ZBounds.Min - len * 3);
MinFarPlaneDistance = 100;
FarPlaneDistance = Math.Max(MinFarPlaneDistance, Math.Ceiling(len));
MaxFarPlaneDistance = Math.Max(MinFarPlaneDistance, Math.Ceiling(len * 3));
}
private void ZoomToBounds(RealBounds3D bounds)
{
var len = bounds.Length;
if (bounds.XBounds.Length / 2 > bounds.YBounds.Length) //side view for long models like weapons
{
var p = new Point3D(
bounds.XBounds.Midpoint,
bounds.YBounds.Max + len * 0.5,
bounds.ZBounds.Midpoint);
MoveCamera(p, new Vector3D(0, 0, -2));
}
else //normal camera position
{
var p = new Point3D(
bounds.XBounds.Max + len * 0.5,
bounds.YBounds.Midpoint,
bounds.ZBounds.Midpoint);
MoveCamera(p, new Vector3D(-1, 0, 0));
}
}
