From: Mikko Rasa <tdb@tdb.fi>
Date: Sat, 24 Aug 2013 13:49:16 +0000 (+0300)
Subject: View3D::create_ray should be const
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=50856ae150524f11af2bf548f49b7a31e14668aa;p=r2c2.git

View3D::create_ray should be const
---

diff --git a/source/3d/view.cpp b/source/3d/view.cpp
index 5779616..673daef 100644
--- a/source/3d/view.cpp
+++ b/source/3d/view.cpp
@@ -36,12 +36,12 @@ View3D::View3D(Layout3D &l, unsigned w, unsigned h):
 	view_all();
 }
 
-Ray View3D::create_ray(int x, int y)
+Ray View3D::create_ray(int x, int y) const
 {
 	return create_ray(x*2.0f/width-1.0f, y*2.0f/height-1.0f);
 }
 
-Ray View3D::create_ray(float x, float y)
+Ray View3D::create_ray(float x, float y) const
 {
 	const GL::Vector3 &start = camera.get_position();
 	GL::Vector4 ray = camera.unproject(GL::Vector4(x, y, 0, 0));
diff --git a/source/3d/view.h b/source/3d/view.h
index a1bdaf5..5e954a7 100644
--- a/source/3d/view.h
+++ b/source/3d/view.h
@@ -24,8 +24,8 @@ public:
 	Msp::GL::Camera &get_camera() { return camera; }
 	Msp::GL::Pipeline &get_pipeline() { return pipeline; }
 
-	Ray create_ray(int, int);
-	Ray create_ray(float, float);
+	Ray create_ray(int, int) const;
+	Ray create_ray(float, float) const;
 
 	void view_all(bool = false);