///
/// Create new endpoints for the current line
/// or create a new line.
///
internal void LineCreateVertex()
{
Debug.Assert(cursors.Count > 0);
if (mode != Mode.Line)
{
DeselectAll();
PinCursor();
line_origin = cursors.Count - 1;
mode = Mode.Line;
return;
}
cursors.Sync();
// To create a new vertex we need to swap the last cursor with
// the current origin, which will be earlier in the cursors list
// than the cursors created for the current line.
var start = cursors[line_origin];
cursors[line_origin] = cursors[cursors.Count - 1];
cursors[cursors.Count - 1] = new Cursor()
{
position = start.position,
pinned = true
};
// The new origin, point_a is now the previous origin
// point_a is at Count - 2 (pinned)
// point_b is at Count - 1 (line_origin)
cursors.Add(start.position);
line_origin = cursors.Count - 1;
}
internal Buffer(Chunk chunk, GameObject[] palette, Camera view, Config config)
{
this.view = view;
this.chunk = chunk;
this.palette = palette;
this.config = config;
undo = new Undo();
cursors = new Cursors(chunk.bounds, chunk.cell_scale);
deletion_pool = new List <GameObject>();
selection = new GameObject[16];
prefab_parents = new GameObject[palette.Length];
saved_view = new View()
{
position = view.transform.position,
orthographic_size = view.orthographicSize
};
cursors.Add((Vector2)view.transform.position - Vector2.one);
}