void OnEnable()
{
_target = target as Spline;
}
static void DrawTools(Transform target)
{
Spline spline = target.GetComponent <Spline> ();
if (spline == null)
{
return;
}
if (target.transform.childCount == 0)
{
return;
}
//set primary draw color:
Handles.color = spline.SecondaryColor;
for (int i = 0; i < spline.Anchors.Length; i++)
{
//refs:
Quaternion lookRotation = Quaternion.identity;
SplineAnchor currentAnchor = spline.Anchors[i];
//scale geometry:
currentAnchor.InTangent.localScale = Vector3.one * (spline.toolScale * 1.3f);
currentAnchor.OutTangent.localScale = Vector3.one * (spline.toolScale * 1.3f);
currentAnchor.Anchor.localScale = Vector3.one * (spline.toolScale * 2.1f);
if (spline.toolScale > 0)
{
//draw persistent identifiers that face the scene view camera and only draw if the corrosponding tangent is active:
if (currentAnchor.OutTangent.gameObject.activeSelf)
{
//connection:
Handles.DrawDottedLine(currentAnchor.Anchor.position, currentAnchor.OutTangent.position, 3);
//indicators:
if (SceneView.currentDrawingSceneView != null)
{
lookRotation = Quaternion.LookRotation((SceneView.currentDrawingSceneView.camera.transform.position - currentAnchor.OutTangent.position).normalized);
Handles.CircleHandleCap(0, currentAnchor.OutTangent.position, lookRotation, spline.toolScale * .65f, EventType.Repaint);
Handles.CircleHandleCap(0, currentAnchor.OutTangent.position, lookRotation, spline.toolScale * .25f, EventType.Repaint);
}
}
if (currentAnchor.InTangent.gameObject.activeSelf)
{
//connection:
Handles.DrawDottedLine(currentAnchor.Anchor.position, currentAnchor.InTangent.position, 3);
//indicators:
if (SceneView.currentDrawingSceneView != null)
{
lookRotation = Quaternion.LookRotation((SceneView.currentDrawingSceneView.camera.transform.position - currentAnchor.InTangent.position).normalized);
Handles.CircleHandleCap(0, currentAnchor.InTangent.position, lookRotation, spline.toolScale * .65f, EventType.Repaint);
Handles.CircleHandleCap(0, currentAnchor.InTangent.position, lookRotation, spline.toolScale * .25f, EventType.Repaint);
}
}
//anchor tools:
if (SceneView.currentDrawingSceneView != null)
{
lookRotation = Quaternion.LookRotation((SceneView.currentDrawingSceneView.camera.transform.position - currentAnchor.Anchor.position).normalized);
Handles.CircleHandleCap(0, currentAnchor.Anchor.position, lookRotation, spline.toolScale, EventType.Repaint);
}
//identify path origin:
if (spline.direction == SplineDirection.Forward && i == 0 || spline.direction == SplineDirection.Backwards && i == spline.Anchors.Length - 1)
{
Handles.CircleHandleCap(0, currentAnchor.Anchor.position, lookRotation, spline.toolScale * .8f, EventType.Repaint);
Handles.CircleHandleCap(0, currentAnchor.Anchor.position, lookRotation, spline.toolScale * .75f, EventType.Repaint);
Handles.CircleHandleCap(0, currentAnchor.Anchor.position, lookRotation, spline.toolScale * .5f, EventType.Repaint);
Handles.CircleHandleCap(0, currentAnchor.Anchor.position, lookRotation, spline.toolScale * .45f, EventType.Repaint);
Handles.CircleHandleCap(0, currentAnchor.Anchor.position, lookRotation, spline.toolScale * .25f, EventType.Repaint);
}
}
}
//draw spline:
for (int i = 0; i < spline.Anchors.Length - 1; i++)
{
SplineAnchor startAnchor = spline.Anchors[i];
SplineAnchor endAnchor = spline.Anchors[i + 1];
Handles.DrawBezier(startAnchor.Anchor.position, endAnchor.Anchor.position, startAnchor.OutTangent.position, endAnchor.InTangent.position, spline.color, null, 2);
}
}
void Awake()
{
_spline = GetComponent <Surge.Spline> ();
}