KlassischeKeplerKriege/game/state/planet.hpp

#pragma once

#include "object.hpp"

#include <cstdlib>

namespace game {
class Planet : public Object {
  public:
    /**
     * Planets are build out of one material.
     * TODO: support mixture or multiple material per planet.
     */
    enum class Material { Rock, Metal, Sand, Gas, Ice, Water, Sun };

    Planet(const glm::vec2 &pos, int id, float r)
        : Planet(pos, id, r, Material::Rock) {}

    Planet(const glm::vec2 &pos, int id, float r, Material mat)
        : Object(pos, r), id(id), material(mat), seed(rand()) {}

    glm::vec3 getColor() const {
        switch (material) {
        case Material::Rock:
            return {x : 0.19, y : 0.19, z : 0.19};
        case Material::Metal:
            return {x : 0.19, y : 0.19, z : 0.19};
        case Material::Sand:
            return {x : 0.19, y : 0.19, z : 0.19};
        case Material::Gas:
            return {x : 0.19, y : 0.19, z : 0.19};
        case Material::Ice:
            return {x : 0.19, y : 0.19, z : 0.19};
        case Material::Water:
            return {x : 0.19, y : 0.40, z : 0.72};
        case Material::Sun:
            return {x : 0.64, y : 0.67, z : 0.19};
        }
        return {x : 0.1, y : 0.1, z : 0.1};
    }

    int id;
    Material material; // for rendering and physics (can fly through sun and
                       // outer gas planets)
    int seed;          // just for rendering variation
};
}