example_recursive_cube(void)
: tex_side(512)
, rnd_tex(tex_side)
, cube(prog)
, current_buf(0)
, rad(0.0f)
{
gl.clear_color(0.8f, 0.8f, 0.8f, 0.0f);
gl.clear_depth(1.0f);
gl.enable(GL.depth_test);
gl.enable(GL.cull_face);
gl.cull_face(GL.back);
gl.front_face(GL.ccw);
}
void render(const example_state_view& state)
override
{
gl.use(erase_prog);
gl.disable(GL.depth_test);
background.use();
background.draw();
shp_turns += 0.1f*state.frame_duration().value();
gl.use(light_prog);
gl.uniform(
light_prog.modelview,
matrix_rotation_x(turns_(shp_turns)/1)*
matrix_rotation_y(turns_(shp_turns)/2)*
matrix_rotation_z(turns_(shp_turns)/3)
);
gl.clear(GL.depth_buffer_bit);
gl.enable(GL.depth_test);
shape.use();
shape.draw();
}
cube_example(
const example_state_view& state,
eagine::memory::buffer& temp_buffer
): prog()
, cube(
temp_buffer,
shapes::vertex_attrib_kind::position+
shapes::vertex_attrib_kind::normal+
shapes::vertex_attrib_kind::box_coord+
shapes::vertex_attrib_kind::face_coord
), cam_orbit(0.5)
, cam_turns(0.12f)
, cam_pitch(0.72f)
, cam_dist_dir(-1)
, cam_turn_dir(1)
, cam_elev_dir(1)
{
gl.clear_color(0.6f, 0.6f, 0.5f, 0);
gl.clear_depth(1);
gl.enable(GL.depth_test);
set_projection(state);
}