private static void DrawGizmo(PolygonAreaConfig scr, GizmoType gizmoType)
{
if ((gizmoType & GizmoType.Selected) == GizmoType.Selected)
{
return;
}
if ((gizmoType & GizmoType.InSelectionHierarchy) != GizmoType.InSelectionHierarchy)
{
var count = Selection.activeGameObject?.transform.parent?.GetComponentsInChildren <PolygonAreaConfig>().Length ?? 0;
var selfCount = scr.GetComponents <PolygonAreaConfig>().Length;
if (count <= selfCount)
{
return;
}
}
GetValue(scr, out var area, out var origin, out var dir, out var color,
out var vOffset, out var dirLineLength, out var dirLineWidth);
var plane = GetPlane(origin);
Handles.color = color;
color.a = 1.0f;
if (area.Vertexes == null)
{
return;
}
Handles.DrawAAPolyLine(5.0f, area.Vertexes.ToArray());
DrawArrow(origin - plane.normal * 0.2f, origin + dir * dirLineLength - plane.normal * 0.2f,
plane.normal, dirLineWidth, color);
color.a = 0.04f;
Handles.color = color;
Handles.DrawAAConvexPolygon(area.Vertexes.ToArray());
for (int i = 1; i < area.Vertexes.Count; ++i)
{
Vector3 v1 = area.Vertexes[i];
Vector3 v2 = area.Vertexes[i - 1];
Vector3 v3 = v1 - plane.normal * (Vector3.Dot(v1, plane.normal) + vOffset);
Vector3 v4 = v2 - plane.normal * (Vector3.Dot(v2, plane.normal) + vOffset);
color.a = 0.04f;
Handles.color = color;
Handles.DrawAAConvexPolygon(v1, v2, v4, v3, v1);
}
}
private static void GetValue(PolygonAreaConfig scr, out PolygonArea area, out Vector3 origin, out Vector3 dir,
out Color color, out float vOffset, out float dirLineLength, out float dirLineWidth)
{
var type = scr.GetType();
area = (PolygonArea)type.GetFieldAll("m_Area").GetValue(scr);
color = (Color)type.GetFieldAll("m_AreaColor").GetValue(scr);
vOffset = (float)type.GetFieldAll("m_AreaVertialOffsetBase").GetValue(scr);
dirLineLength = (float)type.GetFieldAll("m_DirLineLength").GetValue(scr);
dirLineWidth = (float)type.GetFieldAll("m_DirLineWidth").GetValue(scr);
var polygonType = area.GetType();
origin = (Vector3)polygonType.GetFieldAll("m_Origin").GetValue(area);
dir = (Vector3)polygonType.GetFieldAll("m_Direction").GetValue(area);
}