X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2F3d%2Fview.cpp;h=b833605c87227951e798de68983bbaac46eead27;hb=c796e17cef61ad2e3f476b6037892d7bc6c52680;hp=017a526df71b215ca192218116f79b3fd97c7178;hpb=1251ba0141983481181d8260523ff07f2cf200a0;p=r2c2.git

diff --git a/source/3d/view.cpp b/source/3d/view.cpp
index 017a526..b833605 100644
--- a/source/3d/view.cpp
+++ b/source/3d/view.cpp
@@ -1,3 +1,4 @@
+#include <msp/gl/blend.h>
 #include <msp/gl/tests.h>
 #include "layout.h"
 #include "track.h"
@@ -10,22 +11,47 @@ namespace R2C2 {
 
 View3D::View3D(Layout3D &l, unsigned w, unsigned h):
 	layout(l),
-	pipeline(w, h)
+	width(w),
+	height(h),
+	pipeline(w, h),
+	sky(layout.get_catalogue())
 {
 	pipeline.set_camera(&camera);
+	pipeline.add_renderable(sky);
 	pipeline.add_renderable_for_pass(layout.get_scene(), 0);
+	pipeline.add_renderable_for_pass(layout.get_scene(), "translucent");
 
-	GL::Pipeline::Pass *pass = &pipeline.add_pass(0);
+	GL::Pipeline::Pass *pass = &pipeline.add_pass("sky");
+
+	pass = &pipeline.add_pass(0);
 	pass->set_lighting(&layout.get_lighting());
 	pass->set_depth_test(&GL::DepthTest::lequal());
 
+	pass = &pipeline.add_pass("translucent");
+	pass->set_lighting(&layout.get_lighting());
+	pass->set_depth_test(&GL::DepthTest::lequal());
+	pass->set_blend(&GL::Blend::alpha());
+
 	camera.set_up_direction(GL::Vector3(0, 0, 1));
 	// Y+, 60° down
 	camera.set_look_direction(GL::Vector3(0, 0.5, -0.866));
+	camera.set_aspect(float(width)/height);
 
 	view_all();
 }
 
+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) const
+{
+	const GL::Vector3 &start = camera.get_position();
+	GL::Vector4 ray = camera.unproject(GL::Vector4(x, y, 0, 0));
+	return Ray(start, Vector(ray));
+}
+
 void View3D::view_all(bool tight)
 {
 	const set<Track *> &tracks = layout.get_layout().get_all<Track>();