private Vector3 DrawOneWayHandle(MobileTouchCamera mobileTouchCamera, float handleSize, Vector2 pRelative, float offset)
{
Vector3 point = mobileTouchCamera.UnprojectVector2(pRelative, offset);
Vector3 pointNew = Handles.FreeMoveHandle(point, Quaternion.identity, handleSize, Vector3.one, Handles.DotCap);
return(mobileTouchCamera.ProjectVector3(pointNew));
}
public void OnSceneGUI()
{
MobileTouchCamera mobileTouchCamera = (MobileTouchCamera)target;
if (Event.current.rawType == EventType.MouseUp)
{
CheckSwapBoundary(mobileTouchCamera);
}
Vector2 boundaryMin = mobileTouchCamera.BoundaryMin;
Vector2 boundaryMax = mobileTouchCamera.BoundaryMax;
float offset = mobileTouchCamera.GroundLevelOffset;
Vector3 pBottomLeft = mobileTouchCamera.UnprojectVector2(new Vector2(boundaryMin.x, boundaryMin.y), offset);
Vector3 pBottomRight = mobileTouchCamera.UnprojectVector2(new Vector2(boundaryMax.x, boundaryMin.y), offset);
Vector3 pTopLeft = mobileTouchCamera.UnprojectVector2(new Vector2(boundaryMin.x, boundaryMax.y), offset);
Vector3 pTopRight = mobileTouchCamera.UnprojectVector2(new Vector2(boundaryMax.x, boundaryMax.y), offset);
Handles.color = new Color(0, .4f, 1f, 1f);
float handleSize = HandleUtility.GetHandleSize(mobileTouchCamera.Transform.position) * 0.1f;
#region min/max handles
pBottomLeft = DrawSphereHandle(pBottomLeft, handleSize);
pTopRight = DrawSphereHandle(pTopRight, handleSize);
boundaryMin = mobileTouchCamera.ProjectVector3(pBottomLeft);
boundaryMax = mobileTouchCamera.ProjectVector3(pTopRight);
#endregion
#region min/max handles that need to be remapped
Vector3 pBottomRightNew = DrawSphereHandle(pBottomRight, handleSize);
Vector3 pTopLeftNew = DrawSphereHandle(pTopLeft, handleSize);
if (Vector3.Distance(pBottomRight, pBottomRightNew) > 0)
{
Vector2 pBottomRight2d = mobileTouchCamera.ProjectVector3(pBottomRightNew);
boundaryMin.y = pBottomRight2d.y;
boundaryMax.x = pBottomRight2d.x;
}
if (Vector3.Distance(pTopLeft, pTopLeftNew) > 0)
{
Vector2 pTopLeftNew2d = mobileTouchCamera.ProjectVector3(pTopLeftNew);
boundaryMin.x = pTopLeftNew2d.x;
boundaryMax.y = pTopLeftNew2d.y;
}
#endregion
#region one way handles
Handles.color = new Color(1, 1, 1, 1);
handleSize = HandleUtility.GetHandleSize(mobileTouchCamera.Transform.position) * 0.05f;
boundaryMax.x = DrawOneWayHandle(mobileTouchCamera, handleSize, new Vector2(boundaryMax.x, 0.5f * (boundaryMax.y + boundaryMin.y)), offset).x;
boundaryMax.y = DrawOneWayHandle(mobileTouchCamera, handleSize, new Vector2(0.5f * (boundaryMax.x + boundaryMin.x), boundaryMax.y), offset).y;
boundaryMin.x = DrawOneWayHandle(mobileTouchCamera, handleSize, new Vector2(boundaryMin.x, 0.5f * (boundaryMax.y + boundaryMin.y)), offset).x;
boundaryMin.y = DrawOneWayHandle(mobileTouchCamera, handleSize, new Vector2(0.5f * (boundaryMax.x + boundaryMin.x), boundaryMin.y), offset).y;
#endregion
if (Vector2.Distance(mobileTouchCamera.BoundaryMin, boundaryMin) > float.Epsilon || Vector2.Distance(mobileTouchCamera.BoundaryMax, boundaryMax) > float.Epsilon)
{
Undo.RecordObject(target, "Mobile Touch Camera Boundary Modification");
mobileTouchCamera.BoundaryMin = boundaryMin;
mobileTouchCamera.BoundaryMax = boundaryMax;
EditorUtility.SetDirty(mobileTouchCamera);
}
}