public void Zoom(float factor, bool updateView)
{
nzy3D.Maths.Scale current = this.Scale;
double range = current.Max - current.Min;
if (range <= 0)
{
return;
}
double center = (current.Max + current.Min) / 2;
double zmin = center + (current.Min - center) * factor;
double zmax = center + (current.Max - center) * factor;
// set min/max according to bounds
nzy3D.Maths.Scale scale = null;
if ((zmin < zmax))
{
scale = new nzy3D.Maths.Scale(zmin, zmax);
}
else
{
// forbid to have zmin = zmax if we zoom in
if ((factor < 1))
{
scale = new nzy3D.Maths.Scale(center, center);
}
}
if ((scale != null))
{
setScale(scale, updateView);
// fireControllerEvent(ControllerType.ZOOM, scale);
}
}
public void Shift(float factor, bool updateView)
{
nzy3D.Maths.Scale current = this.Scale;
nzy3D.Maths.Scale newScale = current.@add(factor * current.Range);
setScale(newScale, updateView);
//fireControllerEvent(ControllerType.SHIFT, newScale);
}
public void setScale(nzy3D.Maths.Scale scale, bool notify)
{
BoundingBox3d bounds = this.Bounds;
bounds.zmin = scale.Min;
bounds.zmax = scale.Max;
this.BoundManual = bounds;
if (notify)
{
Shoot();
}
}
public void ZoomZ(float factor, bool updateView)
{
double range = this.Bounds.zmax - this.Bounds.zmin;
if (range <= 0)
{
return;
}
double center = (this.Bounds.zmax + this.Bounds.zmin) / 2;
double min = center + (this.Bounds.zmin - center) * factor;
double max = center + (this.Bounds.zmax - center) * factor;
// set min/max according to bounds
nzy3D.Maths.Scale scale = null;
if ((min < max))
{
scale = new nzy3D.Maths.Scale(min, max);
}
else
{
// forbid to have min = max if we zoom in
if ((factor < 1))
{
scale = new nzy3D.Maths.Scale(center, center);
}
}
if ((scale != null))
{
BoundingBox3d bounds = this.Bounds;
bounds.zmin = scale.Min;
bounds.zmax = scale.Max;
this.BoundManual = bounds;
if (updateView)
{
Shoot();
}
// fireControllerEvent(ControllerType.ZOOM, scale);
}
}
