Scaled object name drawing distance

CelestialObject.c

@@ -63,5 +63,11 @@ void celestial_object_draw_name(CelestialObject *object, Vector2 reference_frame
         return;
     }
 
-    draw_text(object->name, vector2_add(scaled_position, vector2_create(object->drawing_disc_radius + 8, 7)));
+    uint32_t drawing_disc_radius = object->drawing_disc_radius;
+
+    if (zoom_factor < 1) {
+        drawing_disc_radius *= zoom_factor;
+    }
+
+    draw_text(object->name, vector2_add(scaled_position, vector2_create(drawing_disc_radius + 8, 7)));
 }

PlanetarySystem.c

@@ -35,27 +35,30 @@ const double EARTH_SEMI_MAJOR_AXIS = 149.598262 * 1E9;
 const double MARS_SEMI_MAJOR_AXIS = 227.943824 * 1E9;
 
 PlanetarySystem *planetary_system_create() {
-    PlanetarySystem *ps = (PlanetarySystem *)malloc(sizeof(PlanetarySystem));
+    PlanetarySystem *system = (PlanetarySystem *)malloc(sizeof(PlanetarySystem));
 
-    ps->objects_length = 9;
-    ps->objects = (CelestialObject **)malloc(sizeof(PlanetarySystem *) * ps->objects_length);
-    ps->zoom_factor = 1;
-    ps->reference_frame_object_index = 0;
+    system->objects_length = 9;
+    system->objects = (CelestialObject **)malloc(sizeof(PlanetarySystem *) * system->objects_length);
+    system->zoom_factor = 1;
+    system->reference_frame_object_index = 0;
 
+    // The moon is initialized with real life values.
+    // Naboo, Jupiter and Endor are all fake planets.
+    // Note that Jupitaire follows the orbit of Jupyter but its mass is different.
     char names[][100] = {"Sun", "Mercury", "Venus", "Earth", "Mars", "Moon", "Naboo", "Jupitaire", "Endor"};
     double masses[] = {SUN_MASS, MERCURY_MASS, VENUS_MASS, EARTH_MASS, MARS_MASS, 7.34767309 * 1E22, 1000000, 1898.6 * 1E10, 1E23, 100 * 1E9};
     double semi_major_axes[] = {0, MERCURY_SEMI_MAJOR_AXIS, VENUS_SEMI_MAJOR_AXIS, EARTH_SEMI_MAJOR_AXIS, MARS_SEMI_MAJOR_AXIS, 384.399 * 1E6, 800.598262 * 1E9, 778.340821 * 1E9, 100 * 1E9};
     double eccentricities[] = {0, MERCURY_ECCENTRICITY, VENUS_ECCENTRICITY, EARTH_ECCENTRICITY, MARS_ECCENTRICITY, 0.0549, 0.8, 0.04839266, 0.34};
     double disc_radiuses[] = {50, 10, 20, 10, 12, 5, 12, 12, 12};
-    int32_t colors[] = {0xFFFFFF, 0xDBCECA, 0x8B7D82, 0x6b93d6, 0xBC2732, 0x7D7B67, 0x005500, 0x005500, 0x005500};
+    int32_t colors[] = {0xFFCC33, 0xDBCECA, 0x8B7D82, 0x6b93d6, 0xBC2732, 0x7D7B67, 0x007700, 0x007700, 0x007700};
 
-    for (int32_t i = 0; i < ps->objects_length; i += 1) {
+    for (int32_t i = 0; i < system->objects_length; i += 1) {
         CelestialObject *object = celestial_object_create(names[i], masses[i], semi_major_axes[i], eccentricities[i], disc_radiuses[i], colors[i]);
-        ps->objects[i] = object;
+        system->objects[i] = object;
     }
 
-    ps->objects[5]->current_position.x += ps->objects[3]->current_position.x;
-    return ps;
+    system->objects[5]->current_position.x += system->objects[3]->current_position.x;
+    return system;
 }
 
 CelestialObject *planetary_system_get_star(PlanetarySystem *planetary_system) {