void DrawTangentControl(int i)
{
SplineData.Point wp = data.points[i];
Vector3 hPos = wp.position + wp.tangent;
Handles.color = tangentColor;
Handles.DrawLine(wp.position, hPos);
Quaternion rotation;
if (Tools.pivotRotation == PivotRotation.Local)
{
rotation = Quaternion.identity;
}
else
{
rotation = Quaternion.Inverse(spline.transform.rotation);
}
float size = HandleUtility.GetHandleSize(hPos) * 0.1f;
Handles.SphereHandleCap(0, hPos, rotation, size, EventType.Repaint);
Vector3 newPos = Vector3.zero;
if (Tools.current == Tool.Move)
{
EditorGUI.BeginChangeCheck();
newPos = Handles.PositionHandle(hPos, rotation);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(target, "Edit Waypoint Tangent");
wp.tangent = newPos - wp.position;
data.points[i] = wp;
if (updateMeshConstantly)
{
spline.OnChanged(true);
}
else
{
meshNeedsUpdate = true;
}
}
}
}
void InsertWaypointAtIndex(int indexA)
{
Vector3 pos = Vector3.forward;
Vector3 tangent = Vector3.right;
float roll = 0;
int numWaypoints = data.points.Length;
if (indexA < 0)
{
indexA = numWaypoints - 1;
}
if (indexA >= 0)
{
int indexB = indexA + 1;
if (data.closed && indexB >= numWaypoints)
{
indexB = 0;
}
if (indexB >= numWaypoints)
{
if (data.points[indexA].tangent.sqrMagnitude >= 0.0001f)
{
tangent = data.points[indexA].tangent;
}
pos = data.points[indexA].position + tangent;
roll = data.points[indexA].roll;
}
else
{
float interp = (0.5f + indexA) / data.max;
pos = data.GetPointNonUniform(interp);
tangent = data.GetTangent(interp);
roll = data.GetRoll(interp);
}
}
Undo.RecordObject(spline, "Add waypoint");
var wp = new SplineData.Point();
wp.position = pos;
wp.tangent = tangent;
wp.roll = roll;
ArrayUtility.Insert(ref data.points, indexA + 1, wp);
pointList.index = indexA + 1;
}
void DrawPositionControl(int i)
{
SplineData.Point wp = data.points[i];
Handles.color = pointColor;
Quaternion rotation;
if (Tools.current == Tool.Rotate || Tools.current == Tool.Scale)
{
rotation = data.GetPointRotation(i) * Quaternion.AngleAxis(data.points[i].roll, Vector3.forward);
}
else if (Tools.pivotRotation == PivotRotation.Local)
{
rotation = Quaternion.identity;
}
else
{
rotation = Quaternion.Inverse(spline.transform.rotation);
}
float size = HandleUtility.GetHandleSize(wp.position) * 0.1f;
Handles.SphereHandleCap(0, wp.position, rotation, size, EventType.Repaint);
if (Tools.current == Tool.Move)
{
EditorGUI.BeginChangeCheck();
Vector3 pos = Handles.PositionHandle(wp.position, rotation);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(target, "Move Waypoint");
wp.position = pos;
data.points[i] = wp;
if (updateMeshConstantly)
{
spline.OnChanged(true);
}
else
{
meshNeedsUpdate = true;
}
}
}
else if (Tools.current == Tool.Rotate)
{
EditorGUI.BeginChangeCheck();
Quaternion rot = Handles.RotationHandle(rotation, wp.position);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(target, "Edit Waypoint Tangent");
float f = wp.tangent.magnitude;
wp.tangent = rot * Vector3.forward * f;
float rollMod = (Quaternion.Inverse(rotation) * rot).eulerAngles.z;
rollMod = ((rollMod % 360) + 360) % 360;
if (rollMod > 180)
{
rollMod -= 360;
}
wp.roll += rollMod;
data.points[i] = wp;
if (updateMeshConstantly)
{
spline.OnChanged(true);
}
else
{
meshNeedsUpdate = true;
}
}
}
else if (Tools.current == Tool.Scale)
{
EditorGUI.BeginChangeCheck();
float scale = Handles.ScaleSlider(wp.tangent.magnitude, wp.position, wp.tangent.normalized, Quaternion.identity, size * 10, 0);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(target, "Edit Waypoint Tangent");
float f = wp.tangent.magnitude;
wp.tangent = wp.tangent.normalized * scale;
data.points[i] = wp;
if (updateMeshConstantly)
{
spline.OnChanged(true);
}
else
{
meshNeedsUpdate = true;
}
}
}
}
