public static BGCurvePoint CreatePointBetween(BGCurve curve, BGCurvePointI previousPoint, BGCurvePointI nextPoint, int parts, BGCurvePoint.ControlTypeEnum controlType,
Vector3 position, Vector3 tangent)
{
var scaledTangent = tangent * DistanceToTangentMultiplier * BGEditorUtility.CalculateDistance(previousPoint, nextPoint, parts);
return(curve.CreatePointFromLocalPosition(curve.ToLocal(position), controlType, curve.ToLocalDirection(-scaledTangent), curve.ToLocalDirection(scaledTangent)));
}
private static BGCurvePoint CreatePointBetween(BGCurve curve, BGCurvePointI previousPoint, BGCurvePointI nextPoint, int parts, BGCurvePoint.ControlTypeEnum controlType)
{
var newPos = BGEditorUtility.CalculatePosition(previousPoint, nextPoint, .5f);
var tangent = BGEditorUtility.CalculateTangent(previousPoint, nextPoint, .5f);
var scaledTangent = tangent * DistanceToTangentMultiplier * BGEditorUtility.CalculateDistance(previousPoint, nextPoint, parts);
return(curve.CreatePointFromLocalPosition(curve.ToLocal(newPos), controlType, curve.ToLocalDirection(-scaledTangent), curve.ToLocalDirection(scaledTangent)));
}
public static BGCurvePoint CreatePoint(Vector3 position, BGCurve curve, BGCurvePoint.ControlTypeEnum controlType, int parts, out float distanceToPreviousPoint, out float distanceToNextPoint,
bool ensureNew)
{
distanceToPreviousPoint = -1;
distanceToNextPoint = -1;
if (curve.PointsCount == 0)
{
//first point
Vector3 control;
switch (curve.Mode2D)
{
case BGCurve.Mode2DEnum.YZ:
control = Vector3.forward;
break;
default:
// BGCurve.Mode2DEnum.XY:
// BGCurve.Mode2DEnum.Off:
// BGCurve.Mode2DEnum.XZ:
control = Vector3.right;
break;
}
return(curve.CreatePointFromLocalPosition(curve.ToLocal(position), controlType, control, -control));
}
parts = Mathf.Clamp(parts, 1, 50);
//we no need no events (maybe check if point was actually added to a curve for events firing?)
var oldSuppress = curve.SupressEvents;
curve.SupressEvents = true;
//create a point with no controls first
BGCurvePoint newPoint;
if (ensureNew)
{
newPoint = curve.CreatePointFromWorldPosition(position, BGCurvePoint.ControlTypeEnum.Absent);
}
else
{
if (point == null || point.Curve != curve)
{
point = curve.CreatePointFromWorldPosition(position, BGCurvePoint.ControlTypeEnum.Absent);
}
newPoint = point;
newPoint.PositionWorld = position;
newPoint.ControlFirstLocal = Vector3.zero;
newPoint.ControlSecondLocal = Vector3.zero;
}
if (curve.Mode2DOn)
{
curve.Apply2D(newPoint);
}
//adjacent points
var previousPoint = curve[curve.PointsCount - 1];
var nextPoint = curve.Closed ? curve[0] : null;
//direction
var tangent = BGEditorUtility.CalculateTangent(newPoint, previousPoint, nextPoint, 1 / (float)parts);
if (tangent.sqrMagnitude < 0.0001f)
{
//whatever
switch (curve.Mode2D)
{
case BGCurve.Mode2DEnum.Off:
case BGCurve.Mode2DEnum.XY:
case BGCurve.Mode2DEnum.XZ:
tangent = Vector3.right;
break;
case BGCurve.Mode2DEnum.YZ:
tangent = Vector3.up;
break;
}
}
//length
distanceToPreviousPoint = BGEditorUtility.CalculateDistance(previousPoint, newPoint, parts);
float minDistance;
if (nextPoint != null)
{
distanceToNextPoint = BGEditorUtility.CalculateDistance(newPoint, nextPoint, parts);
minDistance = Math.Min(distanceToPreviousPoint, distanceToNextPoint);
}
else
{
minDistance = distanceToPreviousPoint;
}
var length = minDistance * DistanceToControlMultiplier;
//we need local tangent for controls
tangent = curve.ToLocalDirection(tangent);
newPoint.ControlSecondLocal = tangent * length;
newPoint.ControlFirstLocal = -newPoint.ControlSecondLocal;
newPoint.ControlType = controlType;
curve.SupressEvents = oldSuppress;
return(newPoint);
}