private void DrawFactorHandle(BulgeDeformer bulge)
{
var direction = bulge.Axis.up;
var center = bulge.Axis.position + (bulge.Axis.forward * ((bulge.Top + bulge.Bottom) * 0.5f));
var worldPosition = center + direction * ((bulge.Factor + 1f) * 0.5f);
DeformHandles.Line(center, worldPosition, DeformHandles.LineMode.LightDotted);
using (var check = new EditorGUI.ChangeCheckScope())
{
var newWorldPosition = DeformHandles.Slider(worldPosition, direction);
if (check.changed)
{
var newFactor = DeformHandlesUtility.DistanceAlongAxis(bulge.Axis, bulge.Axis.position, newWorldPosition, Axis.Y) * 2f - 1f;
Undo.RecordObject(bulge, "Changed Factor");
bulge.Factor = newFactor;
}
}
}
void Start()
{
bulge = GetComponentInChildren <BulgeDeformer>();
}
