Delete unused CoordinatesHelper

src/PixiEditor/Helpers/CoordinatesHelper.cs

@@ -1,81 +0,0 @@
-namespace PixiEditor.Helpers;
-
-internal class CoordinatesHelper
-{
-    /*
-    public static (Coordinates, Coordinates) GetSquareOrLineCoordinates(IReadOnlyList<Coordinates> coords)
-    {
-        if (DoCoordsFormLine(coords))
-        {
-            return GetLineCoordinates(coords);
-        }
-        return GetSquareCoordiantes(coords);
-    }
-
-    private static bool DoCoordsFormLine(IReadOnlyList<Coordinates> coords)
-    {
-        var p1 = coords[0];
-        var p2 = coords[^1];
-        //find delta and mirror to first quadrant
-        float dX = Math.Abs(p2.X - p1.X);
-        float dY = Math.Abs(p2.Y - p1.Y);
-
-        //normalize
-        float length = (float)Math.Sqrt(dX * dX + dY * dY);
-        if (length == 0)
-            return false;
-        dX = dX / length;
-        dY = dY / length;
-
-        return dX < 0.25f || dY < 0.25f; //angle < 15 deg or angle > 75 deg (sin 15 ~= 0.25)
-    }
-
-    public static (Coordinates, Coordinates) GetLineCoordinates(IReadOnlyList<Coordinates> mouseMoveCords)
-    {
-        int xStart = mouseMoveCords[0].X;
-        int yStart = mouseMoveCords[0].Y;
-
-        int xEnd = mouseMoveCords[^1].X;
-        int yEnd = mouseMoveCords[^1].Y;
-
-
-        if (Math.Abs(xStart - xEnd) > Math.Abs(yStart - yEnd))
-        {
-            yEnd = yStart;
-        }
-        else
-        {
-            xEnd = xStart;
-        }
-        return (new(xStart, yStart), new(xEnd, yEnd));
-    }
-
-    /// <summary>
-    ///     Extracts square from rectangle mouse drag, used to draw symmetric shapes.
-    /// </summary>
-    public static (Coordinates, Coordinates) GetSquareCoordiantes(IReadOnlyList<Coordinates> mouseMoveCords)
-    {
-        var end = mouseMoveCords[^1];
-        var start = mouseMoveCords[0];
-
-        //find delta and mirror to first quadrant
-        var dX = Math.Abs(start.X - end.X);
-        var dY = Math.Abs(start.Y - end.Y);
-
-        float sqrt2 = (float)Math.Sqrt(2);
-        //vector of length 1 at 45 degrees;
-        float diagX, diagY;
-        diagX = diagY = 1 / sqrt2;
-
-        //dot product of delta and diag, returns length of [delta projected onto diag]
-        float projectedLength = diagX * dX + diagY * dY;
-        //project above onto axes
-        float axisLength = projectedLength / sqrt2;
-
-        //final coords
-        float x = -Math.Sign(start.X - end.X) * axisLength;
-        float y = -Math.Sign(start.Y - end.Y) * axisLength;
-        end = new Coordinates((int)x + start.X, (int)y + start.Y);
-        return (start, end);
-    }*/
-}