private void ShowPointControls(Ferr2DPath aPath, int i, PathEditorUtil.Selection aSelection, Matrix4x4 aTransform, SerializedProperty aPathProp)
{
EventType eType = Event.current.type;
Ferr2D_PointData pointData = aPath.GetData(i);
Vector2 point = aPath[i];
Vector2 pointNormal = aPath.GetNormal(i);
Vector3 pointWorld = aTransform.MultiplyPoint(point);
Vector3 pointWorldNormal = aTransform.MultiplyVector(pointNormal);
float pointSize = eType == EventType.Layout || eType == EventType.Repaint ? HandleUtility.GetHandleSize(pointWorld) : 0;
// point scale button
if (terrain.EdgeMode != Ferr2D_SectionMode.None && (i == activePoint || aSelection.IsSelected(i) || pointData.scale != 1))
{
Vector3 scaleStart = pointWorld + pointWorldNormal * (visuals.sizeVertex + sizeSmallHandle) * pointSize;
Vector3 scalePos = scaleStart + ((pointData.scale - 0.5f) * 3f) * pointWorldNormal;
if (Event.current.alt)
{
// reset scale
if (pointData.scale != 1 && Handles.Button(scalePos, Quaternion.identity, pointSize * sizeSmallHandle, pointSize * sizeSmallHandle, Ferr2DT_Caps.CapDotReset))
{
aSelection.Each(i, id => {
SerializedProperty scaleProp = aPathProp.FindPropertyRelative("_data").GetArrayElementAtIndex(id).FindPropertyRelative("scale");
scaleProp.floatValue = 1;
});
}
}
else
{
Vector2 screenNormal = HandleUtility.WorldToGUIPoint(pointWorld + pointWorldNormal) - HandleUtility.WorldToGUIPoint(pointWorld);
screenNormal.Normalize();
Vector3 move = Handles.FreeMoveHandle(scalePos, Quaternion.identity, pointSize * sizeSmallHandle, Vector3.zero, Ferr2DT_Caps.GetScaleCap(screenNormal));
if (move != scalePos)
{
move = PathUtil.GetClosetPointOnLine(scaleStart, scaleStart + pointWorldNormal * 3, move, true);
float finalScale = 0.5f + (scaleStart - move).magnitude / 3f;
float delta = finalScale - pointData.scale;
aSelection.Each(i, id => {
SerializedProperty scaleProp = aPathProp.FindPropertyRelative("_data").GetArrayElementAtIndex(id).FindPropertyRelative("scale");
scaleProp.floatValue += delta;
});
}
}
}
// show index numbers
if (Ferr2DT_SceneOverlay.showIndices)
{
Vector2 pt = HandleUtility.WorldToGUIPoint(pointWorld - pointWorldNormal * pointSize * sizeLargeHandle * 2);
Rect r = new Rect(pt.x - 15, pt.y - EditorGUIUtility.singleLineHeight * 0.5f, 30, EditorGUIUtility.singleLineHeight);
Handles.BeginGUI();
GUI.Label(r, i.ToString(), PathEditorUtil.CenteredShadowStyle);
GUI.Label(r, i.ToString(), PathEditorUtil.CenteredLabelStyle);
Handles.EndGUI();
}
}
