public Vector2 GUIToWorld(Vector2 guiPosition)
{
return(MeshModuleUtility.GUIToWorld(guiPosition));
}
public Vector3 GUIToWorld(Vector2 guiPosition, Vector3 planeNormal, Vector3 planePosition)
{
return(MeshModuleUtility.GUIToWorld(guiPosition, planeNormal, planePosition));
}
public void OnGUI()
{
m_ControlID = GUIUtility.GetControlID("BrushWeightEditor".GetHashCode(), FocusType.Passive);
EventType eventType = Event.current.GetTypeForControl(controlID);
weightEditor.selection = m_Selection;
m_CircleVertexSelector.vertices = weightEditor.spriteMeshData.vertices;
Vector2 position = MeshModuleUtility.GUIToWorld(Event.current.mousePosition);
if (eventType == EventType.Layout && !Event.current.alt)
{
HandleUtility.AddControl(controlID, 0f);
}
if (GUIUtility.hotControl == 0 && HandleUtility.nearestControl == controlID &&
eventType == EventType.MouseDown && Event.current.button == 0 && !Event.current.alt)
{
GUIUtility.hotControl = controlID;
GUI.changed = true;
m_DeltaAcc = 0f;
m_LastPosition = position;
weightEditor.OnEditStart(true);
OnBrush(hardness / 100f, position);
Event.current.Use();
}
if (GUIUtility.hotControl == controlID && eventType == EventType.MouseUp && Event.current.button == 0)
{
GUIUtility.hotControl = 0;
weightEditor.OnEditEnd();
GUI.changed = true;
Event.current.Use();
}
if (HandleUtility.nearestControl == controlID && Event.current.shift && eventType == EventType.ScrollWheel)
{
float radiusDelta = HandleUtility.niceMouseDeltaZoom * k_WheelRadiusSpeed;
radius = Mathf.Max(1f, radius + radiusDelta);
UpdateSelection(position);
Event.current.Use();
}
if (GUIUtility.hotControl == 0 && HandleUtility.nearestControl == controlID && eventType == EventType.MouseMove)
{
UpdateSelection(position);
Event.current.Use();
}
if (GUIUtility.hotControl == controlID && eventType == EventType.MouseDrag)
{
step = Mathf.Max(step, 1f);
Vector2 delta = position - m_LastPosition;
Vector2 direction = delta.normalized;
Vector2 startPosition = m_LastPosition - direction * m_DeltaAcc;
float magnitude = delta.magnitude;
m_DeltaAcc += magnitude;
if (m_DeltaAcc >= step)
{
Vector2 stepVector = direction * step;
Vector2 currentPosition = startPosition;
while (m_DeltaAcc >= step)
{
currentPosition += stepVector;
OnBrush(hardness / 100f, currentPosition);
m_DeltaAcc -= step;
}
}
m_LastPosition = position;
GUI.changed = true;
Event.current.Use();
}
if ((GUIUtility.hotControl == controlID || (GUIUtility.hotControl == 0 && HandleUtility.nearestControl == controlID)) && eventType == EventType.Repaint)
{
Color oldColor = Handles.color;
Handles.color = Color.white;
if (isSecondaryAction)
{
Handles.color = Color.red;
}
if (GUIUtility.hotControl == controlID)
{
Handles.color = Color.yellow;
}
Handles.DrawWireDisc(position, Vector3.forward, radius);
Handles.color = oldColor;
}
}
