+#include <msp/gl/blend.h>
#include <msp/gl/tests.h>
#include "layout.h"
#include "track.h"
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)
{
- Vector minp;
- Vector maxp;
+ const set<Track *> &tracks = layout.get_layout().get_all<Track>();
+ Geometry::BoundingBox<float, 3> bbox;
+ for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
+ bbox = bbox|(*i)->get_bounding_box();
- layout.get_bounds(minp, maxp);
+ const Vector &minp = bbox.get_minimum_point();
+ const Vector &maxp = bbox.get_maximum_point();
- float t = tan(camera.get_field_of_view()/2)*2;
+ float t = tan(camera.get_field_of_view()/2.0f)*2.0f;
float size = max((maxp.y-minp.y+0.1), (maxp.x-minp.x+0.1)/camera.get_aspect());
float dist = size/t;
if(!tight)
- dist += sin(camera.get_field_of_view()/2)*size;
+ dist += sin(camera.get_field_of_view()/2.0f)*size;
GL::Vector3 center = (minp+maxp)/2.0f;
const GL::Vector3 &look = camera.get_look_direction();
camera.set_position(center-look*dist);