DiagramEdge.drawLine C# (CSharp) 메소드

    void drawLine(Vector2 pointA, Vector2 pointB, Color color, bool mouse, Texture2D srcAnchor, Texture2D destAnchor)
    {
        float width = 2;

        Color savedColor = GUI.color;
        Matrix4x4 savedMatrix = GUI.matrix;

        width *= 3;
        if (!lineTex) {
            lineTex = new Texture2D (1, 3, TextureFormat.ARGB32, true);
            lineTex.SetPixel (0, 0, new Color (1, 1, 1, 0));
            lineTex.SetPixel (0, 1, Color.white);
            lineTex.SetPixel (0, 2, new Color (1, 1, 1, 0));
            lineTex.Apply ();
        }

        float angle = Vector3.Angle (pointB - pointA, Vector2.right) * (pointA.y <= pointB.y ? 1 : -1);
        //Log (" a=" + pointA + " b=" + pointB + " A=" + angle);

        float dx = pointB.x - pointA.x;
        float dy = pointB.y - pointA.y;
        float length = Mathf.Sqrt (dx * dx + dy * dy);
        GUI.color = color;
        GUI.matrix = Matrix4x4.TRS (new Vector3 (pointA.x, pointA.y, 0), Quaternion.identity, Vector3.one);
        GUIUtility.RotateAroundPivot (angle, pointA);

        GUI.DrawTexture (new Rect (0, 0, length, 1), lineTex);

        GUI.color = savedColor;

        if (destAnchor != null) {
            DrawAnchor (pointB, angle, destAnchor);
        }
        if (srcAnchor != null) {
            DrawAnchor (pointA, angle + 180, srcAnchor);
        }

        GUI.matrix = savedMatrix;
        GUI.color = savedColor;
    }