void enable_circle_indicator(bool enable)
{
if (enable == false && circle_indicator == null)
{
return;
}
if (enable && circle_indicator == null)
{
LineSet lines = new LineSet();
lines.UseFixedNormal = true;
lines.FixedNormal = Vector3f.AxisY;
DCurve3 curve = new DCurve3(Polygon2d.MakeCircle(gizmoInitialRadius, 64), 0, 2);
lines.Curves.Add(curve);
lines.Width = 1.0f;
lines.WidthType = LineWidthType.Pixel;
lines.Segments.Add(
new Segment3d(Vector3d.Zero, gizmoInitialRadius * diagonals[nRotationAxis]));
lines.Color = Colorf.DimGrey;
circle_indicator = new fLineSetGameObject(new GameObject(), lines, "circle");
circle_indicator.SetLayer(FPlatform.WidgetOverlayLayer, true);
circle_indicator.SetLocalRotation(Quaternionf.FromTo(Vector3f.AxisY, Frame3f.Identity.GetAxis(nRotationAxis)));
RootGameObject.AddChild(circle_indicator, false);
}
circle_indicator.SetVisible(enable);
}
public BasicSceneGrid(bool xyPlane, bool yzPlane, bool xzPlane, string name = "basic_grid") : base(name)
{
grid_xy = (xyPlane) ? new fLineSetGameObject("lines_x") : null;
grid_yz = (yzPlane) ? new fLineSetGameObject("lines_y") : null;
grid_xz = (xzPlane) ? new fLineSetGameObject("lines_z") : null;
if (grid_xy != null)
{
RootGameObject.AddChild(grid_xy, false);
}
if (grid_yz != null)
{
RootGameObject.AddChild(grid_yz, false);
}
if (grid_xz != null)
{
RootGameObject.AddChild(grid_xz, false);
}
}
void enable_snap_indicator(bool enable)
{
if (enable == false && snap_indicator == null)
{
return;
}
if (enable && snap_indicator == null)
{
LineSet lines = new LineSet();
lines.UseFixedNormal = true;
lines.FixedNormal = Vector3f.AxisY;
int n = 360 / (int)SnapIncrementDeg;
int n45 = 45 / (int)SnapIncrementDeg;
int n90 = 90 / (int)SnapIncrementDeg;
double r = gizmoInitialRadius;
double r2 = gizmoInitialRadius * 1.05;
double r45 = gizmoInitialRadius * 1.10;
double r90 = gizmoInitialRadius * 1.175;
for (int k = 0; k < n; ++k)
{
float angle = ((float)k / (float)n) * MathUtil.TwoPIf;
double x = Math.Cos(angle), y = Math.Sin(angle);
Vector3d v = new Vector3d(x, 0, y); v.Normalize();
double far_r = ((k + n45) % n90) == 0 ? r90 :
(((k + n45) % n45) == 0 ? r45 : r2);
lines.Segments.Add(new Segment3d(r * v, far_r * v));
}
lines.Width = 1.0f;
lines.WidthType = LineWidthType.Pixel;
lines.Color = Colorf.DimGrey;
snap_indicator = new fLineSetGameObject(new GameObject(), lines, "indicator");
snap_indicator.SetLayer(FPlatform.WidgetOverlayLayer, true);
RootGameObject.AddChild(snap_indicator, false);
}
snap_indicator.SetVisible(enable);
}
public static void RemoveLineSet(fLineSetGameObject source)
{
int layer = source.GetLayer();
GlobalLineRenderers[layer].RemoveLineSet(source);
}
public static void ChangeLayer(fLineSetGameObject source, int fromLayer, int toLayer)
{
GlobalLineRenderers[fromLayer].RemoveLineSet(source);
GlobalLineRenderers[toLayer].AddLineSet(source, source.Lines);
}
public static void AddLineSet(fLineSetGameObject source)
{
int layer = source.GetLayer();
GlobalLineRenderers[layer].AddLineSet(source, source.Lines);
}
public BasicCameraGrid(string name = "basic_grid") : base(name)
{
grid_xy = new fLineSetGameObject("lines_xy");
RootGameObject.AddChild(grid_xy, false);
}