diff -abBdpuNPr --exclude='*.svn' irrlicht-svn-ss/trunk/source/Irrlicht/CSceneCollisionManager.cpp Irrlicht_starsonata/source/Irrlicht/CSceneCollisionManager.cpp
--- irrlicht-svn-ss/trunk/source/Irrlicht/CSceneCollisionManager.cpp	2007-07-26 02:11:08.000000000 +0200
+++ Irrlicht_starsonata/source/Irrlicht/CSceneCollisionManager.cpp	2008-06-05 08:16:32.000000000 +0200
@@ -616,37 +616,36 @@ core::vector3df CSceneCollisionManager::
 core::line3d<f32> CSceneCollisionManager::getRayFromScreenCoordinates(
 	core::position2d<s32> pos, ICameraSceneNode* camera)
 {
-	core::line3d<f32> ln(0,0,0,0,0,0);
+	core::line3d<f64> ln(0,0,0,0,0,0);
 
 	if (!SceneManager)
-		return ln;
+		return core::line3d<f32>();
 
 	if (!camera)
 		camera = SceneManager->getActiveCamera();
 
 	if (!camera)
-		return ln;
+		return core::line3d<f32>();
 
 	const scene::SViewFrustum* f = camera->getViewFrustum();
 
-	core::vector3df farLeftUp = f->getFarLeftUp();
-	core::vector3df lefttoright = f->getFarRightUp() - farLeftUp;
-	core::vector3df uptodown = f->getFarLeftDown() - farLeftUp;
+	core::vector3d<f64> farLeftUp(f->getFarLeftUp().X, f->getFarLeftUp().Y, f->getFarLeftUp().Z);
+	core::vector3d<f64> lefttoright = core::vector3d<f64>(f->getFarRightUp().X, f->getFarRightUp().Y, f->getFarRightUp().Z) - farLeftUp;
+	core::vector3d<f64> uptodown = core::vector3d<f64>(f->getFarLeftDown().X, f->getFarLeftDown().Y, f->getFarLeftDown().Z) - farLeftUp;
 
 	core::rect<s32> viewPort = Driver->getViewPort();
 	core::dimension2d<s32> screenSize(viewPort.getWidth(), viewPort.getHeight());
 
-	f32 dx = pos.X / (f32)screenSize.Width;
-	f32 dy = pos.Y / (f32)screenSize.Height;
+	f64 dx = pos.X / (f64)screenSize.Width;
+	f64 dy = pos.Y / (f64)screenSize.Height;
 
+	ln.start = core::vector3d<f64>(f->cameraPosition.X, f->cameraPosition.Y, f->cameraPosition.Z);
 	if (camera->isOrthogonal())
-		ln.start = f->cameraPosition + (lefttoright * (dx-0.5f)) + (uptodown * (dy-0.5f));
-	else
-		ln.start = f->cameraPosition;
+		ln.start += (lefttoright * (dx-0.5)) + (uptodown * (dy-0.5));
 
 	ln.end = farLeftUp + (lefttoright * dx) + (uptodown * dy);
 
-	return ln;
+	return core::line3d<f32>((f32)ln.start.X, (f32)ln.start.Y, (f32)ln.start.Z, (f32)ln.end.X, (f32)ln.end.Y, (f32)ln.end.Z);
 }