skein/src/particlevisualizer.cpp

#include "particlevisualizer.hpp"

ParticleVisualizer::ParticleVisualizer(const ParticleMap& map, const std::string& particleId, float radius,
        GLuint sphereShaderProgram, GLuint widgetShaderProgram, float scale)
    : _map(map), _particleId(particleId), _sphere({radius, 2, sphereShaderProgram}),
        _widget(widgetShaderProgram), _scale(scale)
{
}

void ParticleVisualizer::render(float time)
{
    // TODO: get mean anomly from particle which has the mass!!
    const float meanAnomaly = time;
    glm::vec3 pos = _map.getParticlePosition(_particleId, meanAnomaly);
    float y = pos.z;
    pos.z = pos.y;
    pos.y = y;
    pos.z *= -1;

    pos /= _scale;

    // TODO: extract widget to its own visualizer since we know it wants an orbit but we
    // might not have one here
    //// render widget
    //const Orbit& orbit = _map.getOrbit(_particleId);
    //glm::mat4 widgetMatrix = orbit.getLookAlongMatrix(time);
    //_widget.setModelMatrix(widgetMatrix);
    //_widget.render(time);

    // render sphere
    _sphere.setPosition(pos);
    _sphere.render(time);
}