From 884497f04937fdc672e80c0c24842fa23647e92b Mon Sep 17 00:00:00 2001
From: Liam Galvin <liam@liam-galvin.co.uk>
Date: Tue, 27 Nov 2018 13:20:14 +0000
Subject: [PATCH] fix offset bug

---
 gui/mouse.go | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/gui/mouse.go b/gui/mouse.go
index 99aba12..a795c40 100644
--- a/gui/mouse.go
+++ b/gui/mouse.go
@@ -17,9 +17,12 @@ func (gui *GUI) glfwScrollCallback(w *glfw.Window, xoff float64, yoff float64) {
 	}
 }
 
-func (gui *GUI) mouseMoveCallback(w *glfw.Window, xpos float64, ypos float64) {
+func (gui *GUI) mouseMoveCallback(w *glfw.Window, px float64, py float64) {
+
+	scale := gui.scale()
+	px = px / float64(scale)
+	py = py / float64(scale)
 
-	px, py := w.GetCursorPos()
 	x := uint16(math.Floor((px - float64(gui.renderer.areaX)) / float64(gui.renderer.CellWidth())))
 	y := uint16(math.Floor((py - float64(gui.renderer.areaY)) / float64(gui.renderer.CellHeight())))