void OnGUI()
{
CheckInit();
size.x = size.y = Mathf.Min(Screen.width, Screen.height);
GUI.DrawTexture(new Rect(0f, 0f, size.x, size.y), grid);
DrawHeader();
CatchEvent();
for (int i = 0, n = points.Count; i < n; i++)
{
if (i == selected)
{
GUI.color = new Color(0.6f, 0.75f, 1f);
}
else
{
GUI.color = Color.white;
}
var p = points[i];
GUI.DrawTexture(new Rect(Vector2.Scale(p, size) - new Vector2(unit, unit) * 0.5f, new Vector2(unit, unit)), knob);
}
GUI.color = Color.white;
// GUI.Box(new Rect(new Vector2((size.x - unit) * 0.5f, 0f), new Vector2(unit, unit)), "top");
// GUI.Box(new Rect(new Vector2((size.x - unit) * 0.5f, size.y - unit), new Vector2(unit, unit)), "bottom");
if (points.Count >= 2)
{
var mirror = PFShape.Mirror(GetControls(points), size.x, size.y);
Handles.color = Color.black;
DrawShape(mirror, points.Count);
}
}
void CheckInit()
{
var obj = Selection.activeObject;
if (obj && obj as PFShape)
{
var current = obj as PFShape;
if (current != shape)
{
Load(current);
}
shape = current;
}
if (grid == null)
{
grid = AssetDatabase.LoadAssetAtPath <Texture>(PACKAGE_PATH + "Textures/Grid.jpg");
}
if (knob == null)
{
knob = AssetDatabase.LoadAssetAtPath <Texture>(PACKAGE_PATH + "Textures/Knob.png");
}
if (points == null)
{
points = new List <Vector2>();
}
}
void DrawShape(List <Vector3> mirror, int count, int resolution = 5)
{
// left side
var points = new List <Vector3>();
for (int i = 0; i <= count; i++)
{
var edge = PFCatmullRomSpline.GetCatmullRomPositions(
resolution,
PFShape.GetLoopPoint(mirror, i - 1),
PFShape.GetLoopPoint(mirror, i),
PFShape.GetLoopPoint(mirror, i + 1),
PFShape.GetLoopPoint(mirror, i + 2)
);
if (i != 0)
{
edge.RemoveAt(0);
}
points.AddRange(edge);
}
for (int i = 0, n = points.Count - 1; i < n; i++)
{
var from = points[i];
var to = points[i + 1];
Handles.DrawLine(Translate(from), Translate(to));
}
for (int i = 0, n = points.Count - 1; i < n; i++)
{
var from = points[i];
var to = points[i + 1];
Handles.DrawLine(Translate(new Vector2(-from.x, from.y)), Translate(new Vector2(-to.x, to.y)));
}
}
void Load(PFShape shp)
{
var controls = shp.controls;
points = controls.Select(c => Convert(c)).ToList();
}