delete *i;
}
-void Scene::render(const Tag &tag) const
-{
- Renderer renderer(0);
- render(renderer, tag);
-}
-
bool Scene::setup_frustum(const Renderer &renderer) const
{
const Camera *camera = renderer.get_camera();
culling_matrix = renderer.get_matrix();
- float y = tan(camera->get_field_of_view()/2.0f);
- float s = sqrt(y*y+1);
- frustum_edges[0] = Vector4(0, 1/s, y/s, 0);
- frustum_edges[1] = Vector4(0, -1/s, y/s, 0);
-
- float x = y*camera->get_aspect();
- s = sqrt(x*x+1);
- frustum_edges[2] = Vector4(1/s, 0, x/s, 0);
- frustum_edges[3] = Vector4(-1/s, 0, x/s, 0);
+ if(camera->is_orthographic())
+ {
+ float h = camera->get_orthographic_height();
+ frustum_edges[0] = Vector4(0, 1, 0, -h);
+ frustum_edges[1] = Vector4(0, -1, 0, -h);
+
+ float w = camera->get_orthographic_width();
+ frustum_edges[2] = Vector4(1, 0, 0, -w);
+ frustum_edges[3] = Vector4(-1, 0, 0, -w);
+ }
+ else
+ {
+ float y = tan(camera->get_field_of_view()/2.0f);
+ float s = sqrt(y*y+1);
+ frustum_edges[0] = Vector4(0, 1/s, y/s, 0);
+ frustum_edges[1] = Vector4(0, -1/s, y/s, 0);
+
+ float x = y*camera->get_aspect();
+ s = sqrt(x*x+1);
+ frustum_edges[2] = Vector4(1/s, 0, x/s, 0);
+ frustum_edges[3] = Vector4(-1/s, 0, x/s, 0);
+ }
frustum_edges[4] = Vector4(0, 0, -1, -camera->get_far_clip());
frustum_edges[5] = Vector4(0, 0, 1, camera->get_near_clip());
return false;
Vector4 center = culling_matrix*(*matrix*compose(bsphere->get_center(), 1.0f));
- float radius = bsphere->get_radius();
+ Vector4 x_axis = *matrix*Vector4(bsphere->get_radius(), 0.0f, 0.0f, 0.0f);
+ float radius_sq = inner_product(x_axis, x_axis);
for(unsigned i=0; i<6; ++i)
- if(inner_product(center, frustum_edges[i])>radius)
+ {
+ float distance = inner_product(center, frustum_edges[i]);
+ if(distance>0 && distance*distance>radius_sq)
return true;
+ }
return false;
}