/// <summary> Return up vector at set distance along the <see cref="Bezier3DSpline"/>. </summary>
public void GetPoint(float dist, out Vector3 result)
{
Bezier3DCurve curve = GetCurveDistance(dist, out dist);
curve.GetPoint(curve.Dist2Time(dist), out result);
result = transform.TransformPoint(result);
}
/// <summary> Return point at lerped position where 0 = start, 1 = end </summary>
public Vector3 GetPointLocal(float dist)
{
Bezier3DCurve curve = GetCurveDistance(dist, out dist);
Vector3 result = Vector3.zero;
curve.GetPoint(curve.Dist2Time(dist), out result);
return(result);
}
/// <summary> Return point at lerped position where 0 = start, 1 = end </summary>
public Vector3 GetPointLocal(float dist)
{
Bezier3DCurve curve = GetCurveDistance(dist, out dist);
return(curve.GetPoint(curve.Dist2Time(dist)));
}
/// <summary> Return up vector at set distance along the <see cref="Bezier3DSpline"/>. </summary>
public Vector3 GetPoint(float dist)
{
Bezier3DCurve curve = GetCurveDistance(dist, out dist);
return(transform.TransformPoint(curve.GetPoint(curve.Dist2Time(dist))));
}
/// <summary> Return forward vector at set distance along the <see cref="Bezier3DSpline"/> in local coordinates. Uses approximation. </summary>
public Vector3 GetForwardLocalFast(float dist)
{
Bezier3DCurve curve = GetCurveDistance(dist, out dist);
return(curve.GetForwardFast(curve.Dist2Time(dist)));
}
void DrawSelectedSplitters()
{
Handles.color = Color.white;
//Start add
if (!spline.closed && activeKnot == 0)
{
Bezier3DCurve curve = spline.GetCurve(0);
Vector3
a = spline.transform.TransformPoint(curve.a),
b = spline.transform.TransformDirection(curve.b.normalized) * 2f;
float handleScale = HandleUtility.GetHandleSize(a);
b *= handleScale;
Handles.DrawDottedLine(a, a - b, 3f);
if (Handles.Button(a - b, Camera.current.transform.rotation, handleScale * handleSize * 0.4f, handleScale * handleSize * 0.4f, Handles.DotHandleCap))
{
Undo.RecordObject(spline, "Add Bezier Point");
Bezier3DSpline.Knot knot = spline.GetKnot(activeKnot);
spline.InsertKnot(0, new Bezier3DSpline.Knot(curve.a - (curve.b.normalized * handleScale * 2), Vector3.zero, curve.b.normalized * 0.5f, knot.auto, knot.orientation));
if (onUpdateSpline != null)
{
onUpdateSpline(spline);
}
}
}
//End add
if (!spline.closed && activeKnot == spline.CurveCount)
{
Bezier3DCurve curve = spline.GetCurve(spline.CurveCount - 1);
Vector3
c = spline.transform.TransformDirection(curve.c.normalized) * 2f,
d = spline.transform.TransformPoint(curve.d);
float handleScale = HandleUtility.GetHandleSize(d);
c *= handleScale;
Handles.DrawDottedLine(d, d - c, 3f);
if (Handles.Button(d - c, Camera.current.transform.rotation, handleScale * handleSize * 0.4f, handleScale * handleSize * 0.4f, Handles.DotHandleCap))
{
Undo.RecordObject(spline, "Add Bezier Point");
Bezier3DSpline.Knot knot = spline.GetKnot(activeKnot);
spline.AddKnot(new Bezier3DSpline.Knot(curve.d - (curve.c.normalized * handleScale * 2), curve.c.normalized * 0.5f, Vector3.zero, knot.auto, knot.orientation));
SelectKnot(spline.CurveCount, false);
if (onUpdateSpline != null)
{
onUpdateSpline(spline);
}
}
}
// Prev split
if (spline.closed || activeKnot != 0)
{
Bezier3DCurve curve = spline.GetCurve(activeKnot == 0 ? spline.CurveCount - 1 : activeKnot - 1);
Vector3 centerLocal = curve.GetPoint(curve.Dist2Time(curve.length * 0.5f));
Vector3 center = spline.transform.TransformPoint(centerLocal);
Vector3 a = curve.a + curve.b;
Vector3 b = curve.c + curve.d;
Vector3 ab = (b - a) * 0.3f;
float handleScale = HandleUtility.GetHandleSize(center);
if (Handles.Button(center, Camera.current.transform.rotation, handleScale * handleSize * 0.4f, handleScale * handleSize * 0.4f, Handles.DotHandleCap))
{
Undo.RecordObject(spline, "Add Bezier Point");
Bezier3DSpline.Knot knot = spline.GetKnot(activeKnot);
spline.InsertKnot(activeKnot == 0 ? spline.CurveCount : activeKnot, new Bezier3DSpline.Knot(centerLocal, -ab, ab, knot.auto, knot.orientation));
if (activeKnot == 0)
{
SelectKnot(spline.CurveCount - 1, false);
}
if (onUpdateSpline != null)
{
onUpdateSpline(spline);
}
}
}
// Next split
if (activeKnot != spline.CurveCount)
{
Bezier3DCurve curve = spline.GetCurve(activeKnot);
Vector3 centerLocal = curve.GetPoint(curve.Dist2Time(curve.length * 0.5f));
Vector3 center = spline.transform.TransformPoint(centerLocal);
Vector3 a = curve.a + curve.b;
Vector3 b = curve.c + curve.d;
Vector3 ab = (b - a) * 0.3f;
float handleScale = HandleUtility.GetHandleSize(center);
if (Handles.Button(center, Camera.current.transform.rotation, handleScale * handleSize * 0.4f, handleScale * handleSize * 0.4f, Handles.DotHandleCap))
{
Undo.RecordObject(spline, "Add Bezier Point");
spline.InsertKnot(activeKnot + 1, new Bezier3DSpline.Knot(centerLocal, -ab, ab));
SelectKnot(activeKnot + 1, false);
if (onUpdateSpline != null)
{
onUpdateSpline(spline);
}
}
}
}
/// <summary> Return point at lerped position where 0 = start, 1 = end </summary>
public void GetPointLocal(float dist, out Vector3 result)
{
Bezier3DCurve curve = GetCurveDistance(dist, out dist);
curve.GetPoint(curve.Dist2Time(dist), out result);
}
