test_frame.cpp

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//
// $Id: test_frame.cpp 2 2008-03-01 20:58:50Z kulibali $
//
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#include "scenegraph/test_frame.hpp"
#include "math/quaternion.hpp"

#include "platform/hardware.hpp"

#include <math.h>

namespace gsgl
{

    using namespace data;
    using namespace math;

    namespace scenegraph
    {

        BROKER_DEFINE_CREATOR(gsgl::scenegraph::test_frame);


        test_frame::test_frame(const config_record & obj_conf, const config_record & sys_conf)
            : node(obj_conf, sys_conf), rotate(true), draw_me(true), angle(0), radius(10.0f)
        {
            //if (obj_conf[L"rotate"].to_lower() == L"false")
            //    rotate = false;
            //if (obj_conf[L"draw"].to_lower() == L"false")
            //    draw_me = false;
            //if (!obj_conf[L"radius"].is_empty())
            //    radius = static_cast<gsgl::real_t>(obj_conf[L"radius"].to_double());
        } // test_frame::test_frame()
        

        test_frame::~test_frame()
        {
        } // test_frame::~test_frame()


        void test_frame::init(context *)
        {
            if (rotate)
            {
                angle = 0;
                recalc();
            }
        } // test_frame::init()


        void test_frame::draw(context *c)
        {
            if (draw_me)
            {
                glColor4f(0.0f, 1.0f, 0.0f, 1.0f);
                draw_coordinate_system(c, radius);
            }
        } // test_frame::draw()


        void test_frame::update(context *c)
        {
            if (draw_me)
            {
                angle = static_cast<gsgl::real_t>((::fmod((c->cur_time - c->start_time) * c->time_scale, 60.0) / 60.0f) * math::PI * 2.0);
                recalc();
            }
        } // test_frame::update()


        gsgl::real_t test_frame::get_priority(context *)
        {
            return pos_in_eye_space().mag2();
        } // test_frame::get_priority()


        void test_frame::recalc()
        {
            quaternion rq(vector::Z_AXIS, angle);
            quaternion qq(vector::X_AXIS, static_cast<gsgl::real_t>(-23.0 * math::DEG2RAD));

            get_orientation() = qq * rq;
        } // test_frame::recalc()

    } // namespace scenegraph

} // namespace gsgl

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