protected virtual void ShowTwistAngles()
{
Handles.color = Color.green;
int steps = GetStepsPerCurve() * m_splineBase.CurveCount;
for (int i = 0; i <= steps; i++)
{
Vector3 dir = m_splineBase.GetDirection(i / (float)steps);
Vector3 point = m_splineBase.GetPoint(i / (float)steps);
float t = i / (float)steps;
float twistAngle = m_splineBase.GetTwist(t);
Vector3 v3;
Vector3 up = GetUpVector();
if (Math.Abs(Vector3.Dot(dir, up)) < 1.0f)
{
v3 = Vector3.Cross(dir, up).normalized;
}
else
{
v3 = Vector3.Cross(dir, GetSideVector()).normalized;
}
if (dir == Vector3.zero)
{
continue;
}
Handles.DrawLine(point, point + Quaternion.AngleAxis(twistAngle, dir) * Quaternion.LookRotation(v3, up) * Vector3.forward * TwistAngleScale);
}
}
protected override void ShowPointOverride(SplineBase spline, int index, Vector3 point, Quaternion handleRotation, float size)
{
if (!spline.Loop)
{
if (index == spline.ControlPointCount - 1)
{
if (SceneView.lastActiveSceneView != null && SceneView.lastActiveSceneView.camera != null)
{
if ((SceneView.lastActiveSceneView.camera.transform.position - point).magnitude > 4.0f)
{
if (Handles.Button(point + spline.GetDirection(1.0f) * 1.5f, handleRotation, size * HandleSize, size * PickSize2, (id, p, r, s, e) => CapFunction(size, id, p, m_addButton, e)))
{
SplineEditor.Append((Spline)spline);
Selection.activeGameObject = spline.GetSplineControlPoints().Last().gameObject;
}
}
}
}
else if (index == 0)
{
if (SceneView.lastActiveSceneView != null && SceneView.lastActiveSceneView.camera != null)
{
if ((SceneView.lastActiveSceneView.camera.transform.position - point).magnitude > 4.0f)
{
if (Handles.Button(point - spline.GetDirection(0.0f) * 1.5f, handleRotation, size * HandleSize, size * PickSize2, (id, p, r, s, e) => CapFunction(size, id, p, m_addButton, e)))
{
SplineEditor.Prepend((Spline)spline);
Selection.activeGameObject = spline.GetSplineControlPoints().First().gameObject;
}
}
}
}
}
}
private void UpdatePosition(float t)
{
Vector3 position = m_spline.GetPoint(t);
Vector3 dir = m_spline.GetDirection(t);
float twist = m_spline.GetTwist(t);
transform.position = position;
transform.LookAt(position + dir);
transform.RotateAround(position, dir, twist);
}
private void UpdatePosition(float t)
{
Vector3 position = m_spline.GetPoint(t);
Vector3 dir = m_spline.GetDirection(t);
float twist = m_spline.GetTwist(t);
transform.position = position;
Vector3 direction = ((position + dir) - transform.position).normalized;
Quaternion lookRotation = Quaternion.LookRotation(new Vector3(direction.x, direction.y, direction.z));
transform.rotation = Quaternion.RotateTowards(transform.rotation, lookRotation, Time.deltaTime * rotationSpeed);
//transform.LookAt(position + dir);
transform.RotateAround(position, dir, twist);
}