void OnSceneGUI()
{
ClampTo cp = (ClampTo)target;
if (!cp.ShowGizmos)
{
return;
}
BaseSplineBehaviour be = cp.Spline;
if (be == null)
{
return;
}
if (m_splineEditor == null || m_splineEditor.target != be)
{
m_splineEditor = Editor.CreateEditor(be);
}
ISplineEditor ed = m_splineEditor as ISplineEditor;
if (ed == null)
{
return;
}
EditorGUI.BeginChangeCheck();
ed.OnSceneGUI();
if (EditorGUI.EndChangeCheck())
{
EditorUtility.SetDirty(be); //without this, when dragging spline control points, the object will not follow the changed spline
}
}
public override void OnInspectorGUI()
{
ClampTo cp = (ClampTo)target;
EditorGUI.BeginChangeCheck();
EConUtil.DrawActiveLine(cp);
//constraint target
cp.Spline = (BaseSplineBehaviour)EditorGUILayout.ObjectField("Target Spline", cp.Spline, typeof(BaseSplineBehaviour), true);
EUtil.DrawSplitter();
EUtil.PushGUIEnable(cp.IsActiveConstraint && cp.Spline);
{
//axis and offset
m_foldoutAxis = EditorGUILayout.Foldout(m_foldoutAxis, "Affect");
if (m_foldoutAxis)
{
cp.MainAxis = (EAxis)EConUtil.DrawEnumBtns(AllAxis, AllAxisStr, cp.MainAxis, "Main Axis", "Choose the axis used to decide the parameter t for evaluate spline");
// offset
cp.UseOffset = EditorGUILayout.Toggle(new GUIContent("Use Offset", "Add offset onto the result"), cp.UseOffset);
if (cp.UseOffset)
{
cp.Offset = EUtil.DrawV3P(new GUIContent("Offset", "Offset in world space"), cp.Offset);
}
cp.Cyclic = EditorGUILayout.Toggle(new GUIContent("Cyclic", "the object will revert to the beginning of spline when exceed the dimension"), cp.Cyclic);
GUILayout.Space(5f);
}
// dimension and startVal
m_foldoutPos = EditorGUILayout.Foldout(m_foldoutPos, "Pos Define");
if (m_foldoutPos)
{
cp.Dimension = EditorGUILayout.FloatField(new GUIContent("Dimension", "the projection length on mainAxis"), cp.Dimension);
cp.StartVal = EditorGUILayout.FloatField(new GUIContent("StartVal", "the low value on mainAxis"), cp.StartVal);
if (GUILayout.Button(new GUIContent("Recalculate Dimension", "Recalculate dimension & startVal based on spline")))
{
var behaviour = cp.Spline;
Bounds bd = behaviour.CalculateTransformedBounds();
_SetDimensionByBounds(cp, bd);
}
}
// influence
cp.Influence = EUtil.ProgressBar(cp.Influence, 0, 1f, "Influence: {0:F2}");
}
EUtil.PopGUIEnable();
if (EditorGUI.EndChangeCheck())
{
EditorUtility.SetDirty(cp); //so ConstraintStack.Update can be called in edit-mode
}
}
private void _SetDimensionByBounds(ClampTo cp, Bounds bd)
{
switch (cp.MainAxis)
{
case EAxis.X: cp.Dimension = bd.size.x; cp.StartVal = bd.min.x; break;
case EAxis.Y: cp.Dimension = bd.size.y; cp.StartVal = bd.min.y; break;
case EAxis.Z: cp.Dimension = bd.size.z; cp.StartVal = bd.min.z; break;
default: Dbg.LogErr("ClampToEditor._SetDimensionByBounds: unexpected mainAxis: {0}", cp.MainAxis); break;
}
}
