X-Git-Url: http://git.localhorst.tv/?p=blobs.git;a=blobdiff_plain;f=src%2Fgraphics%2FViewport.hpp;h=ef227b41da9072175b0a157a81f50441ecf65bb6;hp=eab642bae94ff76cf4facadb4e7d4a13c16c0b42;hb=200f9da6241613a1c19431896b09d1715c262c6d;hpb=76c09039792065ca1c259fb4b681c84c29a9dbd8

diff --git a/src/graphics/Viewport.hpp b/src/graphics/Viewport.hpp
index eab642b..ef227b4 100644
--- a/src/graphics/Viewport.hpp
+++ b/src/graphics/Viewport.hpp
@@ -1,6 +1,8 @@
 #ifndef BLOBS_GRAPHICS_VIEWPORT_HPP_
 #define BLOBS_GRAPHICS_VIEWPORT_HPP_
 
+#include "../math/geometry.hpp"
+
 
 namespace blobs {
 namespace graphics {
@@ -26,6 +28,13 @@ public:
 	}
 	void Resize(int w, int h);
 
+	math::Ray ShootPixel(int x, int y) const noexcept {
+		return math::Ray({
+			((double(x) / double(width)) * 2.0) - 1.0,
+			1.0 - ((double(y) / double(height)) * 2.0),
+			-1.0 }, { 0.0, 0.0, 1.0 });
+	}
+
 	void Clear();
 	void ClearDepth();