From 17d1731d661f9ab1586ed0e1a141de8da6639169 Mon Sep 17 00:00:00 2001
From: faiface <faiface@ksp.sk>
Date: Mon, 6 Mar 2017 15:51:59 +0100
Subject: [PATCH] fix Window.MousePosition (new coordinate system)
---
pixelgl/input.go | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/pixelgl/input.go b/pixelgl/input.go
index f2ba4c0..94f2406 100644
--- a/pixelgl/input.go
+++ b/pixelgl/input.go
@@ -30,11 +30,10 @@ func (w *Window) MousePosition() pixel.Vec {
width, height = float64(wi), float64(hi)
})
- // transform to OpenGL coordinates
- x = (x - width/2) / (width / 2)
- y = (height/2 - y) / (height / 2)
-
- return pixel.V(x, y)
+ return pixel.V(
+ x/width*w.bounds.W()+w.bounds.X(),
+ (height-y)/height*w.bounds.H()+w.bounds.Y(),
+ )
}
// MouseScroll returns the scroll amount (in both axis) since the last call to Window.Update.
--
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