public static void UpdateRectangleSelection(int mouseX, int mouseY)
{
if (clickingLeft)
{
float diffX = Math.Abs(mouseClickX - mouseX);
float diffY = Math.Abs(mouseClickY - mouseY);
if (diffX + diffY > 5 && !rectangleSelecting)
{
rectangleSelecting = true;
selectionLineA.Visible = true;
selectionLineB.Visible = true;
selectionLineC.Visible = true;
selectionLineD.Visible = true;
}
if (rectangleSelecting)
{
float clickXRel = ((float)mouseClickX / Program.GLControl.ClientSize.Width);
clickXRel = (clickXRel - 0.5f) * 2;
float clickYRel = ((float)mouseClickY / Program.GLControl.ClientSize.Height);
clickYRel = (clickYRel - 0.5f) * 2;
float mouseXRel = ((float)mouseX / Program.GLControl.ClientSize.Width);
mouseXRel = (mouseXRel - 0.5f) * 2;
float mouseYRel = ((float)mouseY / Program.GLControl.ClientSize.Height);
mouseYRel = (mouseYRel - 0.5f) * 2;
selectionLineA.Start = new Vector2(clickXRel, clickYRel);
selectionLineA.End = new Vector2(mouseXRel, clickYRel);
selectionLineB.Start = new Vector2(mouseXRel, clickYRel);
selectionLineB.End = new Vector2(mouseXRel, mouseYRel);
selectionLineC.Start = new Vector2(mouseXRel, mouseYRel);
selectionLineC.End = new Vector2(clickXRel, mouseYRel);
selectionLineD.Start = new Vector2(clickXRel, mouseYRel);
selectionLineD.End = new Vector2(clickXRel, clickYRel);
Renderer.Update2DMeshData();
Renderer.Invalidate();
}
}
}
