public void OnSceneGUI()
{
_bounds = (CameraBounds2D)target;
Matrix4x4 handleMatrix = _bounds.transform.localToWorldMatrix;
handleMatrix.SetRow(0, Vector4.Scale(handleMatrix.GetRow(0), new Vector4(1f, 1f, 0f, 1f)));
handleMatrix.SetRow(1, Vector4.Scale(handleMatrix.GetRow(1), new Vector4(1f, 1f, 0f, 1f)));
handleMatrix.SetRow(2, new Vector4(0f, 0f, 1f, _bounds.transform.position.z));
using (new Handles.DrawingScope(handleMatrix))
{
m_BoundsHandle.center = _bounds.offset;
m_BoundsHandle.size = _bounds.scaleBound;
m_BoundsHandle.SetColor(Color.white);
EditorGUI.BeginChangeCheck();
m_BoundsHandle.DrawHandle();
Rect rect = new Rect(m_BoundsHandle.center.x - (m_BoundsHandle.size.x / 2), m_BoundsHandle.center.y - (m_BoundsHandle.size.y / 2), m_BoundsHandle.size.x, m_BoundsHandle.size.y);
Handles.DrawSolidRectangleWithOutline(rect, new Color(1, 1, 1, 0.1f), Color.yellow);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(_bounds, string.Format("Modify {0}", ObjectNames.NicifyVariableName(_bounds.GetType().Name)));
// test for size change after using property setter in case input data was sanitized
Vector2 oldSize = _bounds.scaleBound;
_bounds.scaleBound = m_BoundsHandle.size;
// because projection of offset is a lossy operation, only do it if the size has actually changed
// this check prevents drifting while dragging handle when size is zero (case 863949)
if (_bounds.scaleBound != oldSize)
{
_bounds.offset = m_BoundsHandle.center;
}
}
}
}
private void OnEnable()
{
_obj = (CameraBounds2D)target;
_camera = serializedObject.FindProperty("camera");
_bounds = serializedObject.FindProperty("bounds");
_boundedXMin = serializedObject.FindProperty("boundedXMin");
_boundedXMax = serializedObject.FindProperty("boundedXMax");
_boundedYMin = serializedObject.FindProperty("boundedYMin");
_boundedYMax = serializedObject.FindProperty("boundedYMax");
}
