private void DrawHandles(TrailRendererInspector inspector, bool allowGizmoEditing)
{
Color gizmoEditingColor = new Color(1.0f, 1.0f, 1.0f, allowGizmoEditing && !Event.current.alt ? 1.0f : 0.0f);
Color origCol = Handles.color;
Handles.color = s_GizmoColor;
Matrix4x4 orgMatrix = Handles.matrix;
foreach (var tr in targets.OfType <TrailRenderer>())
{
Handles.matrix = GetPreviewMatrix(inspector.m_PreviewBackupPosition, tr.transform);
switch (s_PreviewShape)
{
case PreviewShape.Circle:
{
EditorGUI.BeginChangeCheck();
inspector.m_PreviewArcHandle.angle = 360.0f;
inspector.m_PreviewArcHandle.radius = s_PreviewShapeSize;
inspector.m_PreviewArcHandle.SetColorWithRadiusHandle(Color.white, 0f);
inspector.m_PreviewArcHandle.radiusHandleColor *= gizmoEditingColor;
inspector.m_PreviewArcHandle.angleHandleColor = Color.clear;
using (new Handles.DrawingScope(Handles.matrix * s_ArcHandleOffsetMatrix))
inspector.m_PreviewArcHandle.DrawHandle();
if (EditorGUI.EndChangeCheck())
{
s_PreviewShapeSize = ClampPreviewSize(tr, inspector.m_PreviewArcHandle.radius);
}
}
break;
case PreviewShape.Square:
{
EditorGUI.BeginChangeCheck();
float size = DoSimpleSquareHandle(s_PreviewShapeSize, allowGizmoEditing);
if (EditorGUI.EndChangeCheck())
{
s_PreviewShapeSize = ClampPreviewSize(tr, size);
}
}
break;
case PreviewShape.Line:
{
EditorGUI.BeginChangeCheck();
float radius = Handles.DoSimpleEdgeHandle(Quaternion.identity, Vector3.zero, s_PreviewShapeSize, allowGizmoEditing);
if (EditorGUI.EndChangeCheck())
{
s_PreviewShapeSize = ClampPreviewSize(tr, radius);
}
}
break;
case PreviewShape.SineWave:
{
EditorGUI.BeginChangeCheck();
float radius = DoSimpleSineWaveHandle(s_PreviewShapeSize, allowGizmoEditing, k_SineWaveHeightMultiplier, k_SineWaveRepeat);
if (EditorGUI.EndChangeCheck())
{
s_PreviewShapeSize = ClampPreviewSize(tr, radius);
}
}
break;
case PreviewShape.Spring:
{
EditorGUI.BeginChangeCheck();
float radius = DoSimpleSpringHandle(s_PreviewShapeSize, allowGizmoEditing, k_SpringRotations);
if (EditorGUI.EndChangeCheck())
{
s_PreviewShapeSize = ClampPreviewSize(tr, radius);
}
}
break;
}
}
Handles.color = origCol;
Handles.matrix = orgMatrix;
}
