Remove V2 from project

1 year ago · 53afb37e52
parent af2bf08607
commit 53afb37e52
5 changed files with 249 additions and 251 deletions
--- a/debugdraw.c
+++ b/debugdraw.c
@ -16,13 +16,13 @@ typedef struct Command
    union
    {
        // rect
-        V2 center;
+        cpVect center;

        // line
        struct
        {
-            V2 from;
-            V2 to;
+            cpVect from;
+            cpVect to;
        };
    };
 } Command;
@ -47,15 +47,15 @@ void dbg_drawall()
        {
        case rect:
        {
-            V2 center = commands[i].center;
-            V2 upper_left = cpvadd(center, (V2){.x = -size / 2.0, .y = -size / 2.0});
+            cpVect center = commands[i].center;
+            cpVect upper_left = cpvadd(center, (cpVect){.x = -size / 2.0, .y = -size / 2.0});
            sgp_draw_filled_rect((float)upper_left.x, (float)upper_left.y, (float)size, (float)size);
            break;
        }
        case line:
        {
-            V2 from = commands[i].from;
-            V2 to = commands[i].to;
+            cpVect from = commands[i].from;
+            cpVect to = commands[i].to;
            sgp_draw_line((float)from.x, (float)from.y, (float)to.x, (float)to.y);
            break;
        }
@ -65,7 +65,7 @@ void dbg_drawall()
    command_i = 0;
 }

-void dbg_line(V2 from, V2 to)
+void dbg_line(cpVect from, cpVect to)
 {
    commands[command_i] = (Command){
        .type = line,
@ -76,7 +76,7 @@ void dbg_line(V2 from, V2 to)
    command_i %= MAX_COMMANDS;
 }

-void dbg_rect(V2 center)
+void dbg_rect(cpVect center)
 {
    commands[command_i] = (Command){
        .type = rect,
--- a/gamestate.c
+++ b/gamestate.c
@ -193,8 +193,8 @@ void box_remove_from_boxes(GameState *gs, Entity *box)
  box->prev_box = (EntityID){0};
 }

-V2 player_vel(GameState *gs, Entity *e);
-V2 entity_vel(GameState *gs, Entity *e)
+cpVect player_vel(GameState *gs, Entity *e);
+cpVect entity_vel(GameState *gs, Entity *e)
 {
  assert(e->is_box || e->is_player || e->body != NULL || e->is_explosion);
  if (e->is_box)
@ -206,7 +206,7 @@ V2 entity_vel(GameState *gs, Entity *e)
  if (e->is_explosion)
    return e->explosion_vel;
  assert(false);
-  return (V2){0};
+  return (cpVect){0};
 }

 static THREADLOCAL double to_face = 0.0;
@ -219,7 +219,7 @@ static void on_missile_shape(cpShape *shape, cpContactPointSet *points, void *da
  GameState *gs = entitys_gamestate(launcher);
  assert(other->is_box || other->is_player || other->is_missile);

-  V2 to = cpvsub(entity_pos(other), entity_pos(launcher));
+  cpVect to = cpvsub(entity_pos(other), entity_pos(launcher));
  bool should_attack = true;
  if (other->is_box && box_grid(other) == box_grid(launcher))
    should_attack = false;
@ -232,14 +232,14 @@ static void on_missile_shape(cpShape *shape, cpContactPointSet *points, void *da
    nearest_dist = cpvlength(to);

    // lookahead by their velocity
-    V2 rel_velocity = cpvsub(entity_vel(gs, other), entity_vel(gs, launcher));
+    cpVect rel_velocity = cpvsub(entity_vel(gs, other), entity_vel(gs, launcher));
    double dist = cpvdist(entity_pos(other), entity_pos(launcher));

    double time_of_travel = sqrt((2.0 * dist) / (MISSILE_BURN_FORCE / MISSILE_MASS));

-    V2 other_future_pos = cpvadd(entity_pos(other), cpvmult(rel_velocity, time_of_travel));
+    cpVect other_future_pos = cpvadd(entity_pos(other), cpvmult(rel_velocity, time_of_travel));

-    V2 adjusted_to = cpvsub(other_future_pos, entity_pos(launcher));
+    cpVect adjusted_to = cpvsub(other_future_pos, entity_pos(launcher));

    to_face = cpvangle(adjusted_to);
  }
@ -338,7 +338,7 @@ Entity *new_entity(GameState *gs)
 }

 // pos, mass, radius
-EntityID create_sun(GameState *gs, Entity *new_sun, V2 pos, V2 vel, double mass, double radius)
+EntityID create_sun(GameState *gs, Entity *new_sun, cpVect pos, cpVect vel, double mass, double radius)
 {
  assert(new_sun != NULL);
  new_sun->is_sun = true;
@ -366,7 +366,7 @@ void create_body(GameState *gs, Entity *e)
  cpBodySetUserData(e->body, (void *)e);
 }

-V2 player_vel(GameState *gs, Entity *player)
+cpVect player_vel(GameState *gs, Entity *player)
 {
  assert(player->is_player);
  Entity *potential_seat = get_entity(gs, player->currently_inside_of_box);
@ -398,7 +398,7 @@ void entity_set_rotation(Entity *e, double rot)
  cpBodySetAngle(e->body, rot);
 }

-void entity_set_pos(Entity *e, V2 pos)
+void entity_set_pos(Entity *e, cpVect pos)
 {
  assert(e->is_grid);
  assert(e->body != NULL);
@ -406,7 +406,7 @@ void entity_set_pos(Entity *e, V2 pos)
 }

 // size is (1/2 the width, 1/2 the height)
-void create_rectangle_shape(GameState *gs, Entity *e, Entity *parent, V2 pos, V2 size, double mass)
+void create_rectangle_shape(GameState *gs, Entity *e, Entity *parent, cpVect pos, cpVect size, double mass)
 {
  if (e->shape != NULL)
  {
@ -453,7 +453,7 @@ void create_player(Player *player)
 void create_missile(GameState *gs, Entity *e)
 {
  create_body(gs, e);
-  create_rectangle_shape(gs, e, e, (V2){0}, cpvmult(MISSILE_COLLIDER_SIZE, 0.5), PLAYER_MASS);
+  create_rectangle_shape(gs, e, e, (cpVect){0}, cpvmult(MISSILE_COLLIDER_SIZE, 0.5), PLAYER_MASS);
  e->is_missile = true;
 }

@ -462,7 +462,7 @@ void create_player_entity(GameState *gs, Entity *e)
  e->is_player = true;
  e->no_save_to_disk = true;
  create_body(gs, e);
-  create_rectangle_shape(gs, e, e, (V2){0}, cpvmult(PLAYER_SIZE, 0.5), PLAYER_MASS);
+  create_rectangle_shape(gs, e, e, (cpVect){0}, cpvmult(PLAYER_SIZE, 0.5), PLAYER_MASS);
  cpShapeSetFilter(e->shape, PLAYER_SHAPE_FILTER);
 }

@ -479,7 +479,7 @@ void box_add_to_boxes(GameState *gs, Entity *grid, Entity *box_to_add)

 // box must be passed as a parameter as the box added to chipmunk uses this pointer in its
 // user data. pos is in local coordinates. Adds the box to the grid's chain of boxes
-void box_create(GameState *gs, Entity *new_box, Entity *grid, V2 pos)
+void box_create(GameState *gs, Entity *new_box, Entity *grid, cpVect pos)
 {
  new_box->is_box = true;
  assert(gs->space != NULL);
@ -487,18 +487,18 @@ void box_create(GameState *gs, Entity *new_box, Entity *grid, V2 pos)

  double halfbox = BOX_SIZE / 2.0;

-  create_rectangle_shape(gs, new_box, grid, pos, (V2){halfbox, halfbox}, 1.0);
+  create_rectangle_shape(gs, new_box, grid, pos, (cpVect){halfbox, halfbox}, 1.0);

  cpShapeSetFilter(new_box->shape, cpShapeFilterNew(CP_NO_GROUP, BOXES, CP_ALL_CATEGORIES));

  box_add_to_boxes(gs, grid, new_box);
 }

-V2 box_compass_vector(Entity *box)
+cpVect box_compass_vector(Entity *box)
 {

  assert(box->is_box);
-  V2 to_return = (V2){.x = 1.0, .y = 0.0};
+  cpVect to_return = (cpVect){.x = 1.0, .y = 0.0};
  to_return = cpvspin(to_return, rotangle(box->compass_rotation));

  return to_return;
@ -564,32 +564,32 @@ static void grid_correct_for_holes(GameState *gs, struct Entity *grid)
          cur_separate_grid_size++;
          processed_boxes++;

-          V2 cur_local_pos = entity_shape_pos(N);
-          const V2 dirs[] = {
-              (V2){
+          cpVect cur_local_pos = entity_shape_pos(N);
+          const cpVect dirs[] = {
+              (cpVect){
                  .x = -1.0, .y = 0.0},
-              (V2){
+              (cpVect){
                  .x = 1.0, .y = 0.0},
-              (V2){
+              (cpVect){
                  .x = 0.0, .y = 1.0},
-              (V2){
+              (cpVect){
                  .x = 0.0, .y = -1.0},
          };
          int num_dirs = sizeof(dirs) / sizeof(*dirs);

          for (int ii = 0; ii < num_dirs; ii++)
          {
-            V2 dir = dirs[ii];
+            cpVect dir = dirs[ii];
            EntityID box_in_direction = (EntityID){0};
            // @Robust @Speed faster method, not O(N^2), of getting the box
            // in the direction currently needed
-            V2 compass_vect = box_compass_vector(N);
+            cpVect compass_vect = box_compass_vector(N);
            if (N->box_type == BoxMerge && N->wants_disconnect && cpvnear(compass_vect, dir, 0.01))
            {
            }
            else
            {
-              V2 wanted_local_pos = cpvadd(cur_local_pos, cpvmult(dir, BOX_SIZE));
+              cpVect wanted_local_pos = cpvadd(cur_local_pos, cpvmult(dir, BOX_SIZE));
              BOXES_ITER(gs, cur, grid)
              {
                if (cpvnear(entity_shape_pos(cur), wanted_local_pos, 0.01))
@ -696,7 +696,7 @@ static void on_damage(cpArbiter *arb, cpSpace *space, cpDataPointer userData)
      for (int i = 0; i < count; i++)
      {
        cpVect collision_point = getPointFunc(arb, i);
-        V2 local_collision_point = (cpBodyWorldToLocal(missile->body, collision_point));
+        cpVect local_collision_point = (cpBodyWorldToLocal(missile->body, collision_point));
        if (local_collision_point.x > MISSILE_COLLIDER_SIZE.x * 0.2)
        {
          missile->damage += MISSILE_DAMAGE_THRESHOLD * 2.0;
@ -761,28 +761,28 @@ void destroy(GameState *gs)
  gs->cur_next_entity = 0;
 }
 // center of mass, not the literal position
-V2 grid_com(Entity *grid)
+cpVect grid_com(Entity *grid)
 {
  return (cpBodyLocalToWorld(grid->body, cpBodyGetCenterOfGravity(grid->body)));
 }

-V2 grid_vel(Entity *grid)
+cpVect grid_vel(Entity *grid)
 {
  return (cpBodyGetVelocity(grid->body));
 }
-V2 grid_world_to_local(Entity *grid, V2 world)
+cpVect grid_world_to_local(Entity *grid, cpVect world)
 {
  return (cpBodyWorldToLocal(grid->body, (world)));
 }
-V2 grid_local_to_world(Entity *grid, V2 local)
+cpVect grid_local_to_world(Entity *grid, cpVect local)
 {
  assert(grid->is_grid);
  return (cpBodyLocalToWorld(grid->body, (local)));
 }
 // returned snapped position is in world coordinates
-V2 grid_snapped_box_pos(Entity *grid, V2 world)
+cpVect grid_snapped_box_pos(Entity *grid, cpVect world)
 {
-  V2 local = grid_world_to_local(grid, world);
+  cpVect local = grid_world_to_local(grid, world);
  local.x /= BOX_SIZE;
  local.y /= BOX_SIZE;
  local.x = round(local.x);
@ -815,7 +815,7 @@ Entity *box_grid(Entity *box)
  return (Entity *)cpBodyGetUserData(cpShapeGetBody(box->shape));
 }
 // in local space
-V2 entity_shape_pos(Entity *box)
+cpVect entity_shape_pos(Entity *box)
 {
  return (cpShapeGetCenterOfGravity(box->shape));
 }
@ -829,7 +829,7 @@ double box_rotation(Entity *box)
  return (float)cpBodyGetAngle(cpShapeGetBody(box->shape));
 }

-V2 entity_pos(Entity *e)
+cpVect entity_pos(Entity *e)
 {
  if (e->is_box)
  {
@ -852,8 +852,8 @@ V2 entity_pos(Entity *e)

 struct BodyData
 {
-  V2 pos;
-  V2 vel;
+  cpVect pos;
+  cpVect vel;
  double rotation;
  double angular_velocity;
 };
@ -997,7 +997,7 @@ enum GameVersion
 };

 // @Robust probably get rid of this as separate function, just use SER_VAR
-SerMaybeFailure ser_V2(SerState *ser, V2 *var)
+SerMaybeFailure ser_V2(SerState *ser, cpVect *var)
 {
  SER_VAR(&var->x);
  SER_VAR(&var->y);
@ -1008,7 +1008,7 @@ SerMaybeFailure ser_V2(SerState *ser, V2 *var)

 // for when you only need 32 bit float precision in a vector2,
 // but it's a double
-SerMaybeFailure ser_fV2(SerState *ser, V2 *var)
+SerMaybeFailure ser_fV2(SerState *ser, cpVect *var)
 {
  float x;
  float y;
@ -1138,7 +1138,7 @@ SerMaybeFailure ser_entity(SerState *ser, GameState *gs, Entity *e)
    Entity *parent = get_entity(gs, e->shape_parent_entity);
    SER_ASSERT(parent != NULL);

-    V2 shape_pos;
+    cpVect shape_pos;
    if (ser->serializing)
      shape_pos = entity_shape_pos(e);
    SER_MAYBE_RETURN(ser_fV2(ser, &shape_pos));
@ -1689,7 +1689,7 @@ static void closest_point_callback_func(cpShape *shape, cpContactPointSet *point

 // filter func null means everything is ok, if it's not null and returns false, that means
 // exclude it from the selection. This returns the closest box entity!
-Entity *closest_box_to_point_in_radius(struct GameState *gs, V2 point, double radius, bool (*filter_func)(Entity *))
+Entity *closest_box_to_point_in_radius(struct GameState *gs, cpVect point, double radius, bool (*filter_func)(Entity *))
 {
  closest_to_point_in_radius_result = NULL;
  closest_to_point_in_radius_result_largest_dist = 0.0;
@ -1721,15 +1721,15 @@ static bool scanner_filter(Entity *e)
 }

 static double cur_explosion_damage = 0.0;
-static V2 explosion_origin = {0};
+static cpVect explosion_origin = {0};
 static double explosion_push_strength = 0.0;
 static void explosion_callback_func(cpShape *shape, cpContactPointSet *points, void *data)
 {
  GameState *gs = (GameState *)data;
  cp_shape_entity(shape)->damage += cur_explosion_damage;
  Entity *parent = get_entity(gs, cp_shape_entity(shape)->shape_parent_entity);
-  V2 from_pos = entity_pos(cp_shape_entity(shape));
-  V2 impulse = cpvmult(cpvnormalize(cpvsub(from_pos, explosion_origin)), explosion_push_strength);
+  cpVect from_pos = entity_pos(cp_shape_entity(shape));
+  cpVect impulse = cpvmult(cpvnormalize(cpvsub(from_pos, explosion_origin)), explosion_push_strength);
  assert(parent->body != NULL);
  cpBodyApplyImpulseAtWorldPoint(parent->body, (impulse), (from_pos));
 }
@ -1749,10 +1749,10 @@ static void do_explosion(GameState *gs, Entity *explosion, double dt)
  cpBodyFree(tmpbody);
 }

-V2 box_facing_vector(Entity *box)
+cpVect box_facing_vector(Entity *box)
 {
  assert(box->is_box);
-  V2 to_return = (V2){.x = 1.0, .y = 0.0};
+  cpVect to_return = (cpVect){.x = 1.0, .y = 0.0};

  to_return = box_compass_vector(box);
  to_return = cpvspin(to_return, box_rotation(box));
@ -1760,17 +1760,17 @@ V2 box_facing_vector(Entity *box)
  return to_return;
 }

-enum CompassRotation facing_vector_to_compass(Entity *grid_to_transplant_to, Entity *grid_facing_vector_from, V2 facing_vector)
+enum CompassRotation facing_vector_to_compass(Entity *grid_to_transplant_to, Entity *grid_facing_vector_from, cpVect facing_vector)
 {
  assert(grid_to_transplant_to->body != NULL);
  assert(grid_to_transplant_to->is_grid);

-  V2 local_to_from = grid_world_to_local(grid_facing_vector_from, cpvadd(entity_pos(grid_facing_vector_from), facing_vector));
+  cpVect local_to_from = grid_world_to_local(grid_facing_vector_from, cpvadd(entity_pos(grid_facing_vector_from), facing_vector));
  Log("local %f %f\n", local_to_from.x, local_to_from.y);

-  V2 from_target = cpvadd(entity_pos(grid_to_transplant_to), facing_vector);
-  V2 local_target = grid_world_to_local(grid_to_transplant_to, from_target);
-  V2 local_facing = local_target;
+  cpVect from_target = cpvadd(entity_pos(grid_to_transplant_to), facing_vector);
+  cpVect local_target = grid_world_to_local(grid_to_transplant_to, from_target);
+  cpVect local_facing = local_target;

  enum CompassRotation dirs[] = {
      Right,
@ -1782,7 +1782,7 @@ enum CompassRotation facing_vector_to_compass(Entity *grid_to_transplant_to, Ent
  double smallest_dist = INFINITY;
  for (int i = 0; i < ARRLEN(dirs); i++)
  {
-    V2 point = cpvspin((V2){.x = 1.0}, rotangle(dirs[i]));
+    cpVect point = cpvspin((cpVect){.x = 1.0}, rotangle(dirs[i]));
    double dist = cpvdist(point, local_facing);
    if (dist < smallest_dist)
    {
@ -1794,7 +1794,7 @@ enum CompassRotation facing_vector_to_compass(Entity *grid_to_transplant_to, Ent
  return dirs[smallest];
 }

-V2 thruster_force(Entity *box)
+cpVect thruster_force(Entity *box)
 {
  return cpvmult(box_facing_vector(box), -box->thrust * THRUSTER_FORCE);
 }
@ -1804,12 +1804,12 @@ uint64_t tick(GameState *gs)
  return (uint64_t)floor(gs->time / ((double)TIMESTEP));
 }

-Entity *grid_to_build_on(GameState *gs, V2 world_hand_pos)
+Entity *grid_to_build_on(GameState *gs, cpVect world_hand_pos)
 {
  return box_grid(closest_box_to_point_in_radius(gs, world_hand_pos, BUILD_BOX_SNAP_DIST_TO_SHIP, NULL));
 }

-V2 potentially_snap_hand_pos(GameState *gs, V2 world_hand_pos)
+cpVect potentially_snap_hand_pos(GameState *gs, cpVect world_hand_pos)
 {
  Entity *potential_grid = grid_to_build_on(gs, world_hand_pos);
  if (potential_grid != NULL)
@ -1819,7 +1819,7 @@ V2 potentially_snap_hand_pos(GameState *gs, V2 world_hand_pos)
  return world_hand_pos;
 }

-V2 get_world_hand_pos(GameState *gs, InputFrame *input, Entity *player)
+cpVect get_world_hand_pos(GameState *gs, InputFrame *input, Entity *player)
 {
  return potentially_snap_hand_pos(gs, cpvadd(entity_pos(player), input->hand_pos));
 }
@ -1888,15 +1888,15 @@ double entity_mass(Entity *m)
  }
 }

-V2 sun_gravity_accel_for_entity(Entity *entity_with_gravity, Entity *sun)
+cpVect sun_gravity_accel_for_entity(Entity *entity_with_gravity, Entity *sun)
 {
 #ifdef NO_GRAVITY
-  return (V2){0};
+  return (cpVect){0};
 #else

  if (cpvlength(cpvsub(entity_pos(entity_with_gravity), entity_pos(sun))) > sun_dist_no_gravity(sun))
-    return (V2){0};
-  V2 rel_vector = cpvsub(entity_pos(entity_with_gravity), entity_pos(sun));
+    return (cpVect){0};
+  cpVect rel_vector = cpvsub(entity_pos(entity_with_gravity), entity_pos(sun));
  double mass = entity_mass(entity_with_gravity);
  assert(mass != 0.0);
  double distance_sqr = cpvlengthsq(rel_vector);
@ -1911,12 +1911,12 @@ V2 sun_gravity_accel_for_entity(Entity *entity_with_gravity, Entity *sun)
    if (distance_sqr <= sun->sun_radius * 0.25)
      accel_magnitude = 0.0;
  }
-  V2 towards_sun = cpvnormalize(cpvmult(rel_vector, -1.0));
+  cpVect towards_sun = cpvnormalize(cpvmult(rel_vector, -1.0));
  return cpvmult(towards_sun, accel_magnitude);
 #endif // NO_GRAVITY
 }

-void entity_set_velocity(Entity *e, V2 vel)
+void entity_set_velocity(Entity *e, cpVect vel)
 {
  if (e->body != NULL)
    cpBodySetVelocity(e->body, (vel));
@ -1931,12 +1931,12 @@ void entity_ensure_in_orbit(GameState *gs, Entity *e)
  cpVect total_new_vel = {0};
  SUNS_ITER(gs)
  {
-    V2 gravity_accel = sun_gravity_accel_for_entity(e, i.sun);
+    cpVect gravity_accel = sun_gravity_accel_for_entity(e, i.sun);
    if (cpvlength(gravity_accel) > 0.0)
    {
      double dist = cpvlength(cpvsub(entity_pos(e), entity_pos(i.sun)));
-      V2 orthogonal_to_gravity = cpvnormalize(cpvspin(gravity_accel, PI / 2.0));
-      V2 wanted_vel = cpvmult(orthogonal_to_gravity, sqrt(cpvlength(gravity_accel) * dist));
+      cpVect orthogonal_to_gravity = cpvnormalize(cpvspin(gravity_accel, PI / 2.0));
+      cpVect wanted_vel = cpvmult(orthogonal_to_gravity, sqrt(cpvlength(gravity_accel) * dist));

      total_new_vel = cpvadd(total_new_vel, (wanted_vel));
    }
@ -1949,14 +1949,14 @@ void entity_ensure_in_orbit(GameState *gs, Entity *e)
  // cpBodySetVelocity(e->body, cpvmult(cpvperp(pos), v));
 }

-V2 box_vel(Entity *box)
+cpVect box_vel(Entity *box)
 {
  assert(box->is_box);
  Entity *grid = box_grid(box);
  return (cpBodyGetVelocityAtWorldPoint(grid->body, (entity_pos(box))));
 }

-void create_bomb_station(GameState *gs, V2 pos, enum BoxType platonic_type)
+void create_bomb_station(GameState *gs, cpVect pos, enum BoxType platonic_type)
 {

  enum CompassRotation rot = Right;
@ -1976,36 +1976,36 @@ void create_bomb_station(GameState *gs, V2 pos, enum BoxType platonic_type)
  grid_create(gs, grid);
  entity_set_pos(grid, pos);
  Entity *platonic_box = new_entity(gs);
-  box_create(gs, platonic_box, grid, (V2){0});
+  box_create(gs, platonic_box, grid, (cpVect){0});
  platonic_box->box_type = platonic_type;
  platonic_box->is_platonic = true;
-  BOX_AT_TYPE(grid, ((V2){BOX_SIZE, 0}), BoxExplosive);
-  BOX_AT_TYPE(grid, ((V2){BOX_SIZE * 2, 0}), BoxHullpiece);
-  BOX_AT_TYPE(grid, ((V2){BOX_SIZE * 3, 0}), BoxHullpiece);
-  BOX_AT_TYPE(grid, ((V2){BOX_SIZE * 4, 0}), BoxHullpiece);
+  BOX_AT_TYPE(grid, ((cpVect){BOX_SIZE, 0}), BoxExplosive);
+  BOX_AT_TYPE(grid, ((cpVect){BOX_SIZE * 2, 0}), BoxHullpiece);
+  BOX_AT_TYPE(grid, ((cpVect){BOX_SIZE * 3, 0}), BoxHullpiece);
+  BOX_AT_TYPE(grid, ((cpVect){BOX_SIZE * 4, 0}), BoxHullpiece);

  indestructible = true;
  for (double y = -BOX_SIZE * 5.0; y <= BOX_SIZE * 5.0; y += BOX_SIZE)
  {
-    BOX_AT_TYPE(grid, ((V2){BOX_SIZE * 5.0, y}), BoxHullpiece);
+    BOX_AT_TYPE(grid, ((cpVect){BOX_SIZE * 5.0, y}), BoxHullpiece);
  }
  for (double x = -BOX_SIZE * 5.0; x <= BOX_SIZE * 5.0; x += BOX_SIZE)
  {
-    BOX_AT_TYPE(grid, ((V2){x, BOX_SIZE * 5.0}), BoxHullpiece);
-    BOX_AT_TYPE(grid, ((V2){x, -BOX_SIZE * 5.0}), BoxHullpiece);
+    BOX_AT_TYPE(grid, ((cpVect){x, BOX_SIZE * 5.0}), BoxHullpiece);
+    BOX_AT_TYPE(grid, ((cpVect){x, -BOX_SIZE * 5.0}), BoxHullpiece);
  }
  indestructible = false;
-  BOX_AT_TYPE(grid, ((V2){-BOX_SIZE * 6.0, BOX_SIZE * 5.0}), BoxExplosive);
-  BOX_AT_TYPE(grid, ((V2){-BOX_SIZE * 6.0, BOX_SIZE * 3.0}), BoxExplosive);
-  BOX_AT_TYPE(grid, ((V2){-BOX_SIZE * 6.0, BOX_SIZE * 1.0}), BoxExplosive);
-  BOX_AT_TYPE(grid, ((V2){-BOX_SIZE * 6.0, -BOX_SIZE * 2.0}), BoxExplosive);
-  BOX_AT_TYPE(grid, ((V2){-BOX_SIZE * 6.0, -BOX_SIZE * 3.0}), BoxExplosive);
-  BOX_AT_TYPE(grid, ((V2){-BOX_SIZE * 6.0, -BOX_SIZE * 5.0}), BoxExplosive);
+  BOX_AT_TYPE(grid, ((cpVect){-BOX_SIZE * 6.0, BOX_SIZE * 5.0}), BoxExplosive);
+  BOX_AT_TYPE(grid, ((cpVect){-BOX_SIZE * 6.0, BOX_SIZE * 3.0}), BoxExplosive);
+  BOX_AT_TYPE(grid, ((cpVect){-BOX_SIZE * 6.0, BOX_SIZE * 1.0}), BoxExplosive);
+  BOX_AT_TYPE(grid, ((cpVect){-BOX_SIZE * 6.0, -BOX_SIZE * 2.0}), BoxExplosive);
+  BOX_AT_TYPE(grid, ((cpVect){-BOX_SIZE * 6.0, -BOX_SIZE * 3.0}), BoxExplosive);
+  BOX_AT_TYPE(grid, ((cpVect){-BOX_SIZE * 6.0, -BOX_SIZE * 5.0}), BoxExplosive);

  entity_ensure_in_orbit(gs, grid);
 }

-void create_hard_shell_station(GameState *gs, V2 pos, enum BoxType platonic_type)
+void create_hard_shell_station(GameState *gs, cpVect pos, enum BoxType platonic_type)
 {

  enum CompassRotation rot = Right;
@ -2015,23 +2015,23 @@ void create_hard_shell_station(GameState *gs, V2 pos, enum BoxType platonic_type
  grid_create(gs, grid);
  entity_set_pos(grid, pos);
  Entity *platonic_box = new_entity(gs);
-  box_create(gs, platonic_box, grid, (V2){0});
+  box_create(gs, platonic_box, grid, (cpVect){0});
  platonic_box->box_type = platonic_type;
  platonic_box->is_platonic = true;
-  BOX_AT_TYPE(grid, ((V2){BOX_SIZE * 2, 0}), BoxHullpiece);
-  BOX_AT_TYPE(grid, ((V2){BOX_SIZE * 3, 0}), BoxHullpiece);
-  BOX_AT_TYPE(grid, ((V2){BOX_SIZE * 4, 0}), BoxHullpiece);
+  BOX_AT_TYPE(grid, ((cpVect){BOX_SIZE * 2, 0}), BoxHullpiece);
+  BOX_AT_TYPE(grid, ((cpVect){BOX_SIZE * 3, 0}), BoxHullpiece);
+  BOX_AT_TYPE(grid, ((cpVect){BOX_SIZE * 4, 0}), BoxHullpiece);

  indestructible = true;
  for (double y = -BOX_SIZE * 5.0; y <= BOX_SIZE * 5.0; y += BOX_SIZE)
  {
-    BOX_AT_TYPE(grid, ((V2){BOX_SIZE * 5.0, y}), BoxHullpiece);
-    BOX_AT_TYPE(grid, ((V2){-BOX_SIZE * 5.0, y}), BoxHullpiece);
+    BOX_AT_TYPE(grid, ((cpVect){BOX_SIZE * 5.0, y}), BoxHullpiece);
+    BOX_AT_TYPE(grid, ((cpVect){-BOX_SIZE * 5.0, y}), BoxHullpiece);
  }
  for (double x = -BOX_SIZE * 5.0; x <= BOX_SIZE * 5.0; x += BOX_SIZE)
  {
-    BOX_AT_TYPE(grid, ((V2){x, BOX_SIZE * 5.0}), BoxHullpiece);
-    BOX_AT_TYPE(grid, ((V2){x, -BOX_SIZE * 5.0}), BoxHullpiece);
+    BOX_AT_TYPE(grid, ((cpVect){x, BOX_SIZE * 5.0}), BoxHullpiece);
+    BOX_AT_TYPE(grid, ((cpVect){x, -BOX_SIZE * 5.0}), BoxHullpiece);
  }
  entity_ensure_in_orbit(gs, grid);
  indestructible = false;
@ -2039,11 +2039,11 @@ void create_hard_shell_station(GameState *gs, V2 pos, enum BoxType platonic_type
 void create_initial_world(GameState *gs)
 {
  EntityID suns[] = {
-      create_sun(gs, new_entity(gs), ((V2){100.0, 0.0}), ((V2){0.0, 0.0}), 100000.0, 20.0),
-      create_sun(gs, new_entity(gs), ((V2){100.0, 50.0}), ((V2){10.0, 0.0}), 10000.0, 10.0),
-      create_sun(gs, new_entity(gs), ((V2){100.0, -50.0}), ((V2){-10.0, 0.0}), 10000.0, 10.0),
-      create_sun(gs, new_entity(gs), ((V2){50.0, 200.0}), ((V2){5.0, 0.0}), 400000.0, 30.0),
-      create_sun(gs, new_entity(gs), ((V2){-200.0, 200.0}), ((V2){-15.0, 0.0}), 900000.0, 60.0),
+      create_sun(gs, new_entity(gs), ((cpVect){100.0, 0.0}), ((cpVect){0.0, 0.0}), 100000.0, 20.0),
+      create_sun(gs, new_entity(gs), ((cpVect){100.0, 50.0}), ((cpVect){10.0, 0.0}), 10000.0, 10.0),
+      create_sun(gs, new_entity(gs), ((cpVect){100.0, -50.0}), ((cpVect){-10.0, 0.0}), 10000.0, 10.0),
+      create_sun(gs, new_entity(gs), ((cpVect){50.0, 200.0}), ((cpVect){5.0, 0.0}), 400000.0, 30.0),
+      create_sun(gs, new_entity(gs), ((cpVect){-200.0, 200.0}), ((cpVect){-15.0, 0.0}), 900000.0, 60.0),
  };

  for (int i = 0; i < ARRLEN(suns); i++)
@ -2054,27 +2054,27 @@ void create_initial_world(GameState *gs)
 #ifdef DEBUG_WORLD
  Log("Creating debug world\n");
  // pos, mass, radius
-  create_bomb_station(gs, (V2){-5.0, 0.0}, BoxExplosive);
-  create_bomb_station(gs, (V2){0.0, 5.0}, BoxGyroscope);
-  create_hard_shell_station(gs, (V2){-5.0, 5.0}, BoxCloaking);
+  create_bomb_station(gs, (cpVect){-5.0, 0.0}, BoxExplosive);
+  create_bomb_station(gs, (cpVect){0.0, 5.0}, BoxGyroscope);
+  create_hard_shell_station(gs, (cpVect){-5.0, 5.0}, BoxCloaking);

  bool indestructible = false;

  double theta = deg2rad(65.0);

-  V2 from = (V2){BOX_SIZE * 4.0, -1};
+  cpVect from = (cpVect){BOX_SIZE * 4.0, -1};

  enum CompassRotation rot = Right;
  {

    Entity *grid = new_entity(gs);
    grid_create(gs, grid);
-    entity_set_pos(grid, cpvadd(from, cpvspin((V2){.x = -BOX_SIZE * 9.0}, theta)));
+    entity_set_pos(grid, cpvadd(from, cpvspin((cpVect){.x = -BOX_SIZE * 9.0}, theta)));
    cpBodySetAngle(grid->body, theta + PI);
    rot = Left;
-    BOX_AT_TYPE(grid, ((V2){0.0, 0.0}), BoxMerge);
-    BOX_AT(grid, ((V2){0.0, -BOX_SIZE}));
-    BOX_AT_TYPE(grid, ((V2){BOX_SIZE, 0.0}), BoxMerge);
+    BOX_AT_TYPE(grid, ((cpVect){0.0, 0.0}), BoxMerge);
+    BOX_AT(grid, ((cpVect){0.0, -BOX_SIZE}));
+    BOX_AT_TYPE(grid, ((cpVect){BOX_SIZE, 0.0}), BoxMerge);
    entity_ensure_in_orbit(gs, grid);
  }

@ -2084,27 +2084,27 @@ void create_initial_world(GameState *gs)
    entity_set_pos(grid, from);
    cpBodySetAngle(grid->body, theta);
    rot = Left;
-    BOX_AT_TYPE(grid, ((V2){-BOX_SIZE, 0.0}), BoxMerge);
+    BOX_AT_TYPE(grid, ((cpVect){-BOX_SIZE, 0.0}), BoxMerge);
    rot = Down;
-    BOX_AT_TYPE(grid, ((V2){0.0, 0.0}), BoxMerge);
+    BOX_AT_TYPE(grid, ((cpVect){0.0, 0.0}), BoxMerge);
    rot = Up;
-    BOX_AT_TYPE(grid, ((V2){0.0, BOX_SIZE}), BoxMerge);
-    cpBodySetVelocity(grid->body, (cpvspin((V2){-0.4, 0.0}, theta)));
+    BOX_AT_TYPE(grid, ((cpVect){0.0, BOX_SIZE}), BoxMerge);
+    cpBodySetVelocity(grid->body, (cpvspin((cpVect){-0.4, 0.0}, theta)));
    entity_ensure_in_orbit(gs, grid);
  }

 #else
-  create_bomb_station(gs, (V2){-200.0, 0.0}, BoxExplosive);
-  create_hard_shell_station(gs, (V2){0.0, 400.0}, BoxGyroscope);
-  create_bomb_station(gs, (V2){0.0, -150.0}, BoxCloaking);
-  create_bomb_station(gs, (V2){300.0, 300.0}, BoxMissileLauncher);
-  create_hard_shell_station(gs, (V2){50.0, 100.0}, BoxMerge);
+  create_bomb_station(gs, (cpVect){-200.0, 0.0}, BoxExplosive);
+  create_hard_shell_station(gs, (cpVect){0.0, 400.0}, BoxGyroscope);
+  create_bomb_station(gs, (cpVect){0.0, -150.0}, BoxCloaking);
+  create_bomb_station(gs, (cpVect){300.0, 300.0}, BoxMissileLauncher);
+  create_hard_shell_station(gs, (cpVect){50.0, 100.0}, BoxMerge);
 #endif
 }

 void exit_seat(GameState *gs, Entity *seat_in, Entity *p)
 {
-  V2 pilot_seat_exit_spot = cpvadd(entity_pos(seat_in), cpvmult(box_facing_vector(seat_in), BOX_SIZE));
+  cpVect pilot_seat_exit_spot = cpvadd(entity_pos(seat_in), cpvmult(box_facing_vector(seat_in), BOX_SIZE));
  cpBodySetPosition(p->body, (pilot_seat_exit_spot));
  // cpBodySetVelocity(p->body, (player_vel(gs, p)));
  cpBodySetVelocity(p->body, cpBodyGetVelocity(box_grid(seat_in)->body));
@ -2125,7 +2125,7 @@ void process(GameState *gs, double dt)
  SUNS_ITER(gs)
  {
    Entity *from_sun = i.sun;
-    V2 accel = {0};
+    cpVect accel = {0};
    SUNS_ITER(gs)
    {
      Entity *other_sun = i.sun;
@ -2221,10 +2221,10 @@ void process(GameState *gs, double dt)
    {
      p->goldness += 0.1;
      p->damage = 0.0;
-      gs->goldpos = (V2){.x = hash11((float)gs->time) * 20.0, .y = hash11((float)gs->time - 13.6) * 20.0};
+      gs->goldpos = (cpVect){.x = hash11((float)gs->time) * 20.0, .y = hash11((float)gs->time - 13.6) * 20.0};
    }
 #if 1
-    V2 world_hand_pos = get_world_hand_pos(gs, &player->input, p);
+    cpVect world_hand_pos = get_world_hand_pos(gs, &player->input, p);
    if (player->input.seat_action)
    {
      player->input.seat_action = false; // "handle" the input
@ -2279,12 +2279,12 @@ void process(GameState *gs, double dt)
    // process movement
    {
      // no cheating by making movement bigger than length 1
-      V2 movement_this_tick = (V2){0};
+      cpVect movement_this_tick = (cpVect){0};
      double rotation_this_tick = 0.0;
      if (cpvlength(player->input.movement) > 0.0)
      {
        movement_this_tick = cpvmult(cpvnormalize(player->input.movement), clamp(cpvlength(player->input.movement), 0.0, 1.0));
-        player->input.movement = (V2){0};
+        player->input.movement = (cpVect){0};
      }
      if (fabs(player->input.rotation) > 0.0)
      {
@ -2330,7 +2330,7 @@ void process(GameState *gs, double dt)
        {
          Entity *g = get_entity(gs, seat_inside_of->shape_parent_entity);

-          V2 target_direction = {0};
+          cpVect target_direction = {0};
          if (cpvlength(movement_this_tick) > 0.0)
          {
            target_direction = cpvnormalize(movement_this_tick);
@ -2359,7 +2359,7 @@ void process(GameState *gs, double dt)
      player->input.dobuild = false; // handle the input. if didn't do this, after destruction of hovered box, would try to build on its grid with grid_index...

      cpPointQueryInfo info = {0};
-      V2 world_build = world_hand_pos;
+      cpVect world_build = world_hand_pos;

      // @Robust sanitize this input so player can't build on any grid in the world
      Entity *target_grid = grid_to_build_on(gs, world_hand_pos);
@ -2378,7 +2378,7 @@ void process(GameState *gs, double dt)
      {
        // creating a box
        p->damage += DAMAGE_TO_PLAYER_PER_BLOCK;
-        V2 created_box_position;
+        cpVect created_box_position;
        if (p->damage < 1.0) // player can't create a box that kills them by making it
        {
          if (target_grid == NULL)
@ -2388,7 +2388,7 @@ void process(GameState *gs, double dt)
            entity_set_pos(new_grid, world_build);
            cpBodySetVelocity(new_grid->body, (player_vel(gs, p)));
            target_grid = new_grid;
-            created_box_position = (V2){0};
+            created_box_position = (cpVect){0};
          }
          else
          {
@ -2473,8 +2473,8 @@ void process(GameState *gs, double dt)

        if (e->body != NULL)
        {
-          V2 accel = sun_gravity_accel_for_entity(e, i.sun);
-          V2 new_vel = entity_vel(gs, e);
+          cpVect accel = sun_gravity_accel_for_entity(e, i.sun);
+          cpVect new_vel = entity_vel(gs, e);
          new_vel = cpvadd(new_vel, cpvmult(accel, dt));
          cpBodySetVelocity(e->body, (new_vel));
        }
@ -2497,7 +2497,7 @@ void process(GameState *gs, double dt)
      if (is_burning(e))
      {
        e->time_burned_for += dt;
-        cpBodyApplyForceAtWorldPoint(e->body, (cpvspin((V2){.x = MISSILE_BURN_FORCE, .y = 0.0}, entity_rotation(e))), (entity_pos(e)));
+        cpBodyApplyForceAtWorldPoint(e->body, (cpvspin((cpVect){.x = MISSILE_BURN_FORCE, .y = 0.0}, entity_rotation(e))), (entity_pos(e)));
      }
      if (e->damage >= MISSILE_DAMAGE_THRESHOLD && e->time_burned_for >= MISSILE_ARM_TIME)
      {
@ -2553,13 +2553,13 @@ void process(GameState *gs, double dt)

          // using this stuff to detect if when the other grid's boxes are snapped, they'll be snapped
          // to be next to the from merge box
-          V2 actual_new_pos = grid_snapped_box_pos(from_grid, entity_pos(other_merge));
-          V2 needed_new_pos = cpvadd(entity_pos(from_merge), cpvmult(box_facing_vector(from_merge), BOX_SIZE));
+          cpVect actual_new_pos = grid_snapped_box_pos(from_grid, entity_pos(other_merge));
+          cpVect needed_new_pos = cpvadd(entity_pos(from_merge), cpvmult(box_facing_vector(from_merge), BOX_SIZE));
          if (from_facing_other && other_facing_from && cpvnear(needed_new_pos, actual_new_pos, 0.01))
          {
            // do the merge
-            V2 facing_vector_needed = cpvmult(box_facing_vector(from_merge), -1.0);
-            V2 current_facing_vector = box_facing_vector(other_merge);
+            cpVect facing_vector_needed = cpvmult(box_facing_vector(from_merge), -1.0);
+            cpVect current_facing_vector = box_facing_vector(other_merge);
            double angle_diff = cpvanglediff(current_facing_vector, facing_vector_needed);
            if (angle_diff == FLT_MIN)
              angle_diff = 0.0;
@ -2567,11 +2567,11 @@ void process(GameState *gs, double dt)

            cpBodySetAngle(other_grid->body, cpBodyGetAngle(other_grid->body) + angle_diff);

-            V2 moved_because_angle_change = cpvsub(needed_new_pos, entity_pos(other_merge));
+            cpVect moved_because_angle_change = cpvsub(needed_new_pos, entity_pos(other_merge));
            cpBodySetPosition(other_grid->body, (cpvadd(entity_pos(other_grid), moved_because_angle_change)));

-            // V2 snap_movement_vect = cpvsub(actual_new_pos, entity_pos(other_merge));
-            V2 snap_movement_vect = (V2){0};
+            // cpVect snap_movement_vect = cpvsub(actual_new_pos, entity_pos(other_merge));
+            cpVect snap_movement_vect = (cpVect){0};

            Entity *cur = get_entity(gs, other_grid->boxes);

@ -2579,10 +2579,10 @@ void process(GameState *gs, double dt)
            while (cur != NULL)
            {
              Entity *next = get_entity(gs, cur->next_box);
-              V2 world = entity_pos(cur);
+              cpVect world = entity_pos(cur);
              enum CompassRotation new_rotation = facing_vector_to_compass(from_grid, other_grid, box_facing_vector(cur));
              cur->compass_rotation = new_rotation;
-              V2 new_cur_pos = grid_snapped_box_pos(from_grid, cpvadd(snap_movement_vect, world));
+              cpVect new_cur_pos = grid_snapped_box_pos(from_grid, cpvadd(snap_movement_vect, world));
              box_create(gs, cur, from_grid, grid_world_to_local(from_grid, new_cur_pos)); // destroys next/prev fields on cur
              assert(box_grid(cur) == box_grid(from_merge));
              cur = next;
@ -2715,7 +2715,7 @@ void process(GameState *gs, double dt)
            create_missile(gs, new_missile);
            new_missile->owning_squad = cur_box->owning_squad; // missiles have teams and attack eachother!
            double missile_spawn_dist = sqrt((BOX_SIZE / 2.0) * (BOX_SIZE / 2.0) * 2.0) + MISSILE_COLLIDER_SIZE.x / 2.0 + 0.1;
-            cpBodySetPosition(new_missile->body, (cpvadd(entity_pos(cur_box), cpvspin((V2){.x = missile_spawn_dist, 0.0}, target.facing_angle))));
+            cpBodySetPosition(new_missile->body, (cpvadd(entity_pos(cur_box), cpvspin((cpVect){.x = missile_spawn_dist, 0.0}, target.facing_angle))));
            cpBodySetAngle(new_missile->body, target.facing_angle);
            cpBodySetVelocity(new_missile->body, (box_vel(cur_box)));
          }
@ -2729,16 +2729,16 @@ void process(GameState *gs, double dt)
            if (energy_unconsumed >= SCANNER_ENERGY_USE * dt)
            {
              cur_box->platonic_detection_strength = 0.0;
-              cur_box->platonic_nearest_direction = (V2){0};
+              cur_box->platonic_nearest_direction = (cpVect){0};
            }
            else
            {
-              V2 from_pos = entity_pos(cur_box);
-              V2 nearest = {0};
+              cpVect from_pos = entity_pos(cur_box);
+              cpVect nearest = {0};
              double nearest_dist = INFINITY;
              for (int i = 0; i < MAX_BOX_TYPES; i++)
              {
-                V2 cur_pos = gs->platonic_positions[i];
+                cpVect cur_pos = gs->platonic_positions[i];
                if (cpvlength(cur_pos) > 0.0) // zero is uninitialized, the platonic solid doesn't exist (probably) @Robust do better
                {
                  double length_to_cur = cpvdist(from_pos, cur_pos);
@ -2756,7 +2756,7 @@ void process(GameState *gs, double dt)
              }
              else
              {
-                cur_box->platonic_nearest_direction = (V2){0};
+                cur_box->platonic_nearest_direction = (cpVect){0};
                cur_box->platonic_detection_strength = 0.0;
              }
            }
--- a/main.c
+++ b/main.c
@ -49,7 +49,7 @@ typedef struct KeyPressed
  uint64_t frame;
 } KeyPressed;
 static KeyPressed keypressed[MAX_KEYDOWN] = {0};
-static V2 mouse_pos = {0};
+static cpVect mouse_pos = {0};
 static bool fullscreened = false;
 static bool picking_new_boxtype = false;

@ -67,7 +67,7 @@ static EntityID maybe_inviting_this_player = {0};
 bool confirm_invite_this_player = false;
 bool accept_invite = false;
 bool reject_invite = false;
-static V2 camera_pos = {0}; // it being a global variable keeps camera at same
+static cpVect camera_pos = {0}; // it being a global variable keeps camera at same
 // position after player death
 static double player_scaling = 1.0;

@ -701,33 +701,33 @@ static void set_pipeline_and_pull_color(sg_pipeline pip)

 #define pipeline_scope(pipeline) DeferLoop(set_pipeline_and_pull_color(pipeline), sgp_reset_pipeline())

-static void draw_color_rect_centered(V2 center, double size)
+static void draw_color_rect_centered(cpVect center, double size)
 {
  double halfbox = size / 2.0;
  draw_filled_rect(center.x - halfbox, center.y - halfbox, size, size);
 }

-static void draw_texture_rectangle_centered(V2 center, V2 width_height)
+static void draw_texture_rectangle_centered(cpVect center, cpVect width_height)
 {
-  V2 halfsize = cpvmult(width_height, 0.5);
+  cpVect halfsize = cpvmult(width_height, 0.5);
  draw_textured_rect(center.x - halfsize.x, center.y - halfsize.y, width_height.x, width_height.y);
 }
-static void draw_texture_centered(V2 center, double size)
+static void draw_texture_centered(cpVect center, double size)
 {
-  draw_texture_rectangle_centered(center, (V2){size, size});
+  draw_texture_rectangle_centered(center, (cpVect){size, size});
 }

-sgp_point V2point(V2 v)
+sgp_point V2point(cpVect v)
 {
  return (sgp_point){.x = (float)v.x, .y = (float)v.y};
 }

-V2 pointV2(sgp_point p)
+cpVect pointV2(sgp_point p)
 {
-  return (V2){.x = p.x, .y = p.y};
+  return (cpVect){.x = p.x, .y = p.y};
 }

-static void draw_circle(V2 point, double radius)
+static void draw_circle(cpVect point, double radius)
 {
 #define POINTS 64
  sgp_line lines[POINTS];
@ -735,9 +735,9 @@ static void draw_circle(V2 point, double radius)
  {
    double progress = (float)i / (float)POINTS;
    double next_progress = (float)(i + 1) / (float)POINTS;
-    lines[i].a = V2point((V2){.x = cos(progress * 2.0 * PI) * radius,
+    lines[i].a = V2point((cpVect){.x = cos(progress * 2.0 * PI) * radius,
                              .y = sin(progress * 2.0 * PI) * radius});
-    lines[i].b = V2point((V2){.x = cos(next_progress * 2.0 * PI) * radius,
+    lines[i].b = V2point((cpVect){.x = cos(next_progress * 2.0 * PI) * radius,
                              .y = sin(next_progress * 2.0 * PI) * radius});
    lines[i].a = V2point(cpvadd(pointV2(lines[i].a), point));
    lines[i].b = V2point(cpvadd(pointV2(lines[i].b), point));
@ -765,23 +765,23 @@ static void setup_hueshift(enum Squad squad)
  sgp_set_uniform(&uniform, sizeof(hueshift_uniforms_t));
 }

-static V2 screen_to_world(double width, double height, V2 screen)
+static cpVect screen_to_world(double width, double height, cpVect screen)
 {
-  V2 world = screen;
-  world = cpvsub(world, (V2){.x = width / 2.0, .y = height / 2.0});
+  cpVect world = screen;
+  world = cpvsub(world, (cpVect){.x = width / 2.0, .y = height / 2.0});
  world.x /= zoom;
  world.y /= -zoom;
  world = cpvadd(world, camera_pos);
  return world;
 }

-static V2 world_to_screen(double width, double height, V2 world)
+static cpVect world_to_screen(double width, double height, cpVect world)
 {
-  V2 screen = world;
+  cpVect screen = world;
  screen = cpvsub(screen, camera_pos);
  screen.x *= zoom;
  screen.y *= -zoom;
-  screen = cpvadd(screen, (V2){.x = width / 2.0, .y = height / 2.0});
+  screen = cpvadd(screen, (cpVect){.x = width / 2.0, .y = height / 2.0});
  return screen;
 }

@ -918,9 +918,9 @@ static void ui(bool draw, double dt, double width, double height)
    double buttons_y = invite_y + size / 2.0;

    bool yes_hovered =
-        invited && cpvdist(mouse_pos, (V2){yes_x, buttons_y}) < yes_size / 2.0;
+        invited && cpvdist(mouse_pos, (cpVect){yes_x, buttons_y}) < yes_size / 2.0;
    bool no_hovered =
-        invited && cpvdist(mouse_pos, (V2){no_x, buttons_y}) < no_size / 2.0;
+        invited && cpvdist(mouse_pos, (cpVect){no_x, buttons_y}) < no_size / 2.0;

    yes_size = lerp(yes_size, yes_hovered ? 75.0 : 50.0, dt * 9.0);
    no_size = lerp(no_size, no_hovered ? 75.0 : 50.0, dt * 9.0);
@ -951,7 +951,7 @@ static void ui(bool draw, double dt, double width, double height)
          scale_at(1.0, -1.0, x,
                   invite_y); // images upside down by default :(
          sgp_set_image(0, image_squad_invite);
-          draw_texture_centered((V2){x, invite_y}, size);
+          draw_texture_centered((cpVect){x, invite_y}, size);
          sgp_reset_image(0);
        }
      }
@ -964,7 +964,7 @@ static void ui(bool draw, double dt, double width, double height)
        sgp_set_image(0, image_check);
        pipeline_scope(goodpixel_pipeline)
        {
-          draw_texture_centered((V2){yes_x, buttons_y}, yes_size);
+          draw_texture_centered((cpVect){yes_x, buttons_y}, yes_size);
        }
        sgp_reset_image(0);
      }
@ -977,7 +977,7 @@ static void ui(bool draw, double dt, double width, double height)
        sgp_set_image(0, image_no);
        pipeline_scope(goodpixel_pipeline)
        {
-          draw_texture_centered((V2){no_x, buttons_y}, no_size);
+          draw_texture_centered((cpVect){no_x, buttons_y}, no_size);
        }
        sgp_reset_image(0);
      }
@ -989,15 +989,15 @@ static void ui(bool draw, double dt, double width, double height)
    Entity *inviting = get_entity(&gs, maybe_inviting_this_player);
    if (inviting != NULL && myplayer() != NULL)
    {
-      V2 top_of_head = world_to_screen(
+      cpVect top_of_head = world_to_screen(
          width, height,
          cpvadd(entity_pos(inviting),
-                (V2){.y = player_scaling * PLAYER_SIZE.y / 2.0}));
-      V2 pos = cpvadd(top_of_head, (V2){.y = -30.0});
-      V2 to_mouse = cpvsub(mouse_pos,
+                (cpVect){.y = player_scaling * PLAYER_SIZE.y / 2.0}));
+      cpVect pos = cpvadd(top_of_head, (cpVect){.y = -30.0});
+      cpVect to_mouse = cpvsub(mouse_pos,
                          world_to_screen(width, height, entity_pos(inviting)));
      bool selecting_to_invite =
-          cpvdot(cpvnormalize(to_mouse), (V2){0.0, -1.0}) > 0.5 &&
+          cpvdot(cpvnormalize(to_mouse), (cpVect){0.0, -1.0}) > 0.5 &&
          cpvlength(to_mouse) > 15.0;
      if (!mousedown[SAPP_MOUSEBUTTON_RIGHT])
      {
@ -1031,7 +1031,7 @@ static void ui(bool draw, double dt, double width, double height)
  }

  // draw flags
-  static V2 flag_pos[SquadLast] = {0};
+  static cpVect flag_pos[SquadLast] = {0};
  static double flag_rot[SquadLast] = {0};
  static double flag_scaling_increase[SquadLast] = {0};
  static bool choosing_flags = false;
@ -1043,7 +1043,7 @@ static void ui(bool draw, double dt, double width, double height)
  {
    FLAG_ITER(i)
    {
-      V2 target_pos = {0};
+      cpVect target_pos = {0};
      double target_rot = 0.0;
      double flag_progress = (float)i / (float)(SquadLast - 1.0);
      if (choosing_flags)
@ -1324,7 +1324,7 @@ static void ui(bool draw, double dt, double width, double height)
    sgp_pop_transform();
 }

-static void draw_dots(V2 camera_pos, double gap)
+static void draw_dots(cpVect camera_pos, double gap)
 {
  set_color_values(1.0, 1.0, 1.0, 1.0);
  // const int num = 100;
@ -1351,7 +1351,7 @@ static void draw_dots(V2 camera_pos, double gap)
  {
    for (int y = initial_y; y < final_y; y++)
    {
-      V2 star = (V2){(float)x * gap, (float)y * gap};
+      cpVect star = (cpVect){(float)x * gap, (float)y * gap};
      star.x += hash11(star.x * 100.0 + star.y * 67.0) * gap;
      star.y += hash11(star.y * 93.0 + star.x * 53.0) * gap;
      if (cpvlengthsq(cpvsub(star, camera_pos)) > VISION_RADIUS * VISION_RADIUS)
@ -1362,12 +1362,12 @@ static void draw_dots(V2 camera_pos, double gap)
  }
 }

-static V2 get_global_hand_pos(V2 world_mouse_pos, bool *hand_at_arms_length)
+static cpVect get_global_hand_pos(cpVect world_mouse_pos, bool *hand_at_arms_length)
 {
  if (myentity() == NULL)
-    return (V2){0};
+    return (cpVect){0};

-  V2 global_hand_pos = cpvsub(world_mouse_pos, entity_pos(myentity()));
+  cpVect global_hand_pos = cpvsub(world_mouse_pos, entity_pos(myentity()));
  double hand_len = cpvlength(global_hand_pos);
  if (hand_len > MAX_HAND_REACH)
  {
@ -1540,23 +1540,23 @@ static void frame(void)
  // gameplay
  ui(false, dt, width, height); // if ui button is pressed before game logic, set the pressed to
  // false so it doesn't propagate from the UI modal/button
-  V2 build_target_pos = {0};
+  cpVect build_target_pos = {0};
  double build_target_rotation = 0.0;
  struct BuildPreviewInfo
  {
-    V2 grid_pos;
+    cpVect grid_pos;
    double grid_rotation;
  } build_preview = {0};
-  V2 global_hand_pos = {0}; // world coords! world star!
+  cpVect global_hand_pos = {0}; // world coords! world star!
  bool hand_at_arms_length = false;
  recalculate_camera_pos();
-  V2 world_mouse_pos = screen_to_world(width, height, mouse_pos);
+  cpVect world_mouse_pos = screen_to_world(width, height, mouse_pos);
  {
    // interpolate zoom
    zoom = lerp(zoom, zoom_target, dt * 12.0);

    // calculate build preview stuff
-    V2 local_hand_pos = {0};
+    cpVect local_hand_pos = {0};
    global_hand_pos =
        get_global_hand_pos(world_mouse_pos, &hand_at_arms_length);

@ -1587,7 +1587,7 @@ static void frame(void)
      // without frustration by the server. Resulting in authoritative game
      // state that looks and feels good.

-      V2 input = (V2){
+      cpVect input = (cpVect){
          .x = (float)keydown[SAPP_KEYCODE_D] - (float)keydown[SAPP_KEYCODE_A],
          .y = (float)keydown[SAPP_KEYCODE_W] - (float)keydown[SAPP_KEYCODE_S],
      };
@ -1745,7 +1745,7 @@ static void frame(void)
 #if 1 // space background
      transform_scope
      {
-        V2 scaled_camera_pos = cpvmult(
+        cpVect scaled_camera_pos = cpvmult(
            camera_pos, 0.0005); // this is how strong/weak the parallax is
        translate(-scaled_camera_pos.x, -scaled_camera_pos.y);
        set_color(WHITE);
@ -1762,7 +1762,7 @@ static void frame(void)
      }
      transform_scope
      {
-        V2 scaled_camera_pos = cpvmult(
+        cpVect scaled_camera_pos = cpvmult(
            camera_pos, 0.005); // this is how strong/weak the parallax is
        translate(-scaled_camera_pos.x, -scaled_camera_pos.y);
        set_color(WHITE);
@ -1782,14 +1782,14 @@ static void frame(void)
 #if 1 // parallaxed dots
      transform_scope
      {
-        V2 scaled_camera_pos = cpvmult(camera_pos, 0.25);
+        cpVect scaled_camera_pos = cpvmult(camera_pos, 0.25);
        translate(-scaled_camera_pos.x, -scaled_camera_pos.y);
        set_color(WHITE);
        draw_dots(scaled_camera_pos, 3.0);
      }
      transform_scope
      {
-        V2 scaled_camera_pos = cpvmult(camera_pos, 0.5);
+        cpVect scaled_camera_pos = cpvmult(camera_pos, 0.5);
        translate(-scaled_camera_pos.x, -scaled_camera_pos.y);
        set_color(WHITE);
        draw_dots(scaled_camera_pos, 2.0);
@ -1998,7 +1998,7 @@ static void frame(void)
              if (b->platonic_detection_strength > 0.0)
              {
                set_color(colhexcode(0xf2d75c));
-                V2 to = cpvadd(entity_pos(b), cpvmult(b->platonic_nearest_direction, b->platonic_detection_strength));
+                cpVect to = cpvadd(entity_pos(b), cpvmult(b->platonic_nearest_direction, b->platonic_detection_strength));
                dbg_rect(to);
                dbg_rect(entity_pos(b));
                draw_line(entity_pos(b).x, entity_pos(b).y, to.x, to.y);
@ -2064,7 +2064,7 @@ static void frame(void)

      // instant death
      set_color(RED);
-      draw_circle((V2){0}, INSTANT_DEATH_DISTANCE_FROM_CENTER);
+      draw_circle((cpVect){0}, INSTANT_DEATH_DISTANCE_FROM_CENTER);

      // the SUN
      SUNS_ITER(&gs)
@ -2074,7 +2074,7 @@ static void frame(void)
          translate(entity_pos(i.sun).x, entity_pos(i.sun).y);
          set_color(WHITE);
          sgp_set_image(0, image_sun);
-          draw_texture_centered((V2){0}, i.sun->sun_radius * 2.0);
+          draw_texture_centered((cpVect){0}, i.sun->sun_radius * 2.0);
          sgp_reset_image(0);

          // can draw at 0,0 because everything relative to sun now!
@ -2082,7 +2082,7 @@ static void frame(void)
          // sun DEATH RADIUS

          set_color(BLUE);
-          draw_circle((V2){0}, sun_dist_no_gravity(i.sun));
+          draw_circle((cpVect){0}, sun_dist_no_gravity(i.sun));
        }
      }

@ -2095,8 +2095,8 @@ static void frame(void)
    {
      set_color_values(1.0, 1.0, 1.0, myentity()->damage);
      sgp_set_image(0, image_low_health);
-      draw_texture_rectangle_centered((V2){width / 2.0, height / 2.0},
-                                      (V2){width, height});
+      draw_texture_rectangle_centered((cpVect){width / 2.0, height / 2.0},
+                                      (cpVect){width, height});
      sgp_reset_image(0);
    }

@ -2219,7 +2219,7 @@ void event(const sapp_event *e)
  case SAPP_EVENTTYPE_MOUSE_MOVE:
    if (!mouse_frozen)
    {
-      mouse_pos = (V2){.x = e->mouse_x, .y = e->mouse_y};
+      mouse_pos = (cpVect){.x = e->mouse_x, .y = e->mouse_y};
    }
    if (right_mouse_down)
    {
--- a/server.c
+++ b/server.c
@ -141,9 +141,9 @@ void server(void *info_raw)
  {
    Entity *grid = new_entity(&gs);
    grid_create(&gs, grid);
-    entity_set_pos(grid, (V2){-BOX_SIZE * 2, 0.0});
+    entity_set_pos(grid, (cpVect){-BOX_SIZE * 2, 0.0});
    Entity *box = new_entity(&gs);
-    box_create(&gs, box, grid, (V2){0});
+    box_create(&gs, box, grid, (cpVect){0});
  }

  // rotation test
@ -151,16 +151,16 @@ void server(void *info_raw)
  {
    Entity *grid = new_entity(&gs);
    grid_create(&gs, grid);
-    entity_set_pos(grid, (V2){-BOX_SIZE * 2, 0.0});
+    entity_set_pos(grid, (cpVect){-BOX_SIZE * 2, 0.0});
    entity_set_rotation(grid, PI / 1.7);
    cpBodySetVelocity(grid->body, cpv(-0.1, 0.0));
    cpBodySetAngularVelocity(grid->body, 1.0);

-    BOX_AT(grid, ((V2){0}));
-    BOX_AT(grid, ((V2){BOX_SIZE, 0}));
-    BOX_AT(grid, ((V2){2.0 * BOX_SIZE, 0}));
-    BOX_AT(grid, ((V2){2.0 * BOX_SIZE, BOX_SIZE}));
-    BOX_AT(grid, ((V2){0.0 * BOX_SIZE, -BOX_SIZE}));
+    BOX_AT(grid, ((cpVect){0}));
+    BOX_AT(grid, ((cpVect){BOX_SIZE, 0}));
+    BOX_AT(grid, ((cpVect){2.0 * BOX_SIZE, 0}));
+    BOX_AT(grid, ((cpVect){2.0 * BOX_SIZE, BOX_SIZE}));
+    BOX_AT(grid, ((cpVect){0.0 * BOX_SIZE, -BOX_SIZE}));
  }

  if (enet_initialize() != 0)
--- a/types.h
+++ b/types.h
@ -10,7 +10,7 @@
 #define MAX_ENTITIES 1024 * 25
 #define BOX_SIZE 0.25f
 #define MERGE_MAX_DIST (BOX_SIZE / 2.0f + 0.01f)
-#define PLAYER_SIZE ((V2){.x = BOX_SIZE, .y = BOX_SIZE})
+#define PLAYER_SIZE ((cpVect){.x = BOX_SIZE, .y = BOX_SIZE})
 #define PLAYER_MASS 0.5f
 #define PLAYER_JETPACK_FORCE 2.0f
 #define PLAYER_JETPACK_TORQUE 0.05f
@ -23,8 +23,8 @@
 #define MISSILE_DAMAGE_THRESHOLD 0.2f
 #define MISSILE_CHARGE_RATE 0.5f
 // centered on the sprite
-#define MISSILE_SPRITE_SIZE ((V2){.x = BOX_SIZE, .y = BOX_SIZE})
-#define MISSILE_COLLIDER_SIZE ((V2){.x = BOX_SIZE * 0.5f, .y = BOX_SIZE * 0.5f})
+#define MISSILE_SPRITE_SIZE ((cpVect){.x = BOX_SIZE, .y = BOX_SIZE})
+#define MISSILE_COLLIDER_SIZE ((cpVect){.x = BOX_SIZE * 0.5f, .y = BOX_SIZE * 0.5f})
 // #define PLAYER_JETPACK_FORCE 20.0f
 // distance at which things become geostationary and no more solar power!
 #define PLAYER_JETPACK_ROTATION_ENERGY_PER_SECOND 0.2f
@ -136,8 +136,6 @@ typedef int opus_int32;

 #endif

-typedef cpVect V2;
-
 #define Log(...)                                     \
  {                                                  \
    fprintf(stdout, "%s:%d | ", __FILE__, __LINE__); \
@ -198,7 +196,7 @@ static bool entityids_same(EntityID a, EntityID b)
 typedef struct InputFrame
 {
  uint64_t tick;
-  V2 movement;
+  cpVect movement;
  double rotation;

  int take_over_squad; // -1 means not taking over any squad
@ -207,7 +205,7 @@ typedef struct InputFrame
  EntityID invite_this_player; // null means inviting nobody! @Robust make it so just sends interact pos input, and server processes who to invite. This depends on client side prediction + proper input processing at the right tick.

  bool seat_action;
-  V2 hand_pos; // local to player transationally but not rotationally
+  cpVect hand_pos; // local to player transationally but not rotationally
  // @BeforeShip bounds check on the hand_pos so that players can't reach across the entire map

  bool dobuild;
@ -236,7 +234,7 @@ typedef struct Entity
  // @Robust remove shape_parent_entity from this struct, use the shape's body to figure out
  // what the shape's parent entity is
  EntityID shape_parent_entity; // can't be zero if shape is nonzero
-  V2 shape_size;
+  cpVect shape_size;

  // player
  bool is_player;
@ -247,16 +245,16 @@ typedef struct Entity

  // explosion
  bool is_explosion;
-  V2 explosion_pos;
-  V2 explosion_vel;
+  cpVect explosion_pos;
+  cpVect explosion_vel;
  double explosion_progress; // in seconds
  double explosion_push_strength;
  double explosion_radius;

  // sun
  bool is_sun;
-  V2 sun_vel;
-  V2 sun_pos;
+  cpVect sun_vel;
+  cpVect sun_pos;
  double sun_mass;
  double sun_radius;

@ -308,7 +306,7 @@ typedef struct Entity
  BOX_UNLOCKS_TYPE blueprints_learned; // @Robust make this same type as blueprints
  double scanner_head_rotate_speed;    // not serialized, cosmetic
  double scanner_head_rotate;
-  V2 platonic_nearest_direction;      // normalized
+  cpVect platonic_nearest_direction;      // normalized
  double platonic_detection_strength; // from zero to one
 } Entity;

@ -341,12 +339,12 @@ typedef struct GameState
  // Like a whole timestep then a double for subtimestep
  double time; // @Robust separate tick integer not prone to precision issues. Could be very large as is saved to disk!

-  V2 goldpos;
+  cpVect goldpos;

  Player players[MAX_PLAYERS];
  EntityID suns[MAX_SUNS]; // can't have holes in it for serialization

-  V2 platonic_positions[MAX_BOX_TYPES]; // don't want to search over every entity to get the nearest platonic box!
+  cpVect platonic_positions[MAX_BOX_TYPES]; // don't want to search over every entity to get the nearest platonic box!

  bool server_side_computing; // some things only the server should know and calculate, like platonic locations

@ -424,7 +422,7 @@ void initialize(struct GameState *gs, void *entity_arena, size_t entity_arena_si
 void destroy(struct GameState *gs);
 void process_fixed_timestep(GameState *gs);
 void process(struct GameState *gs, double dt); // does in place
-Entity *closest_box_to_point_in_radius(struct GameState *gs, V2 point, double radius, bool (*filter_func)(Entity *));
+Entity *closest_box_to_point_in_radius(struct GameState *gs, cpVect point, double radius, bool (*filter_func)(Entity *));
 uint64_t tick(struct GameState *gs);
 double sun_dist_no_gravity(Entity *sun);

@ -439,9 +437,9 @@ bool is_burning(Entity *missile);
 Entity *get_entity(struct GameState *gs, EntityID id);
 Entity *new_entity(struct GameState *gs);
 EntityID get_id(struct GameState *gs, Entity *e);
-V2 entity_pos(Entity *e);
+cpVect entity_pos(Entity *e);
 void entity_set_rotation(Entity *e, double rot);
-void entity_set_pos(Entity *e, V2 pos);
+void entity_set_pos(Entity *e, cpVect pos);
 double entity_rotation(Entity *e);
 void entity_ensure_in_orbit(GameState *gs, Entity *e);
 void entity_destroy(GameState *gs, Entity *e);
@ -456,26 +454,26 @@ LauncherTarget missile_launcher_target(GameState *gs, Entity *launcher);

 // grid
 void grid_create(struct GameState *gs, Entity *e);
-void box_create(struct GameState *gs, Entity *new_box, Entity *grid, V2 pos);
+void box_create(struct GameState *gs, Entity *new_box, Entity *grid, cpVect pos);
 Entity *box_grid(Entity *box);
-V2 grid_com(Entity *grid);
-V2 grid_vel(Entity *grid);
-V2 box_vel(Entity *box);
-V2 grid_local_to_world(Entity *grid, V2 local);
-V2 grid_world_to_local(Entity *grid, V2 world);
-V2 grid_snapped_box_pos(Entity *grid, V2 world); // returns the snapped pos in world coords
+cpVect grid_com(Entity *grid);
+cpVect grid_vel(Entity *grid);
+cpVect box_vel(Entity *box);
+cpVect grid_local_to_world(Entity *grid, cpVect local);
+cpVect grid_world_to_local(Entity *grid, cpVect world);
+cpVect grid_snapped_box_pos(Entity *grid, cpVect world); // returns the snapped pos in world coords
 double entity_angular_velocity(Entity *grid);
-V2 entity_shape_pos(Entity *box);
+cpVect entity_shape_pos(Entity *box);
 double box_rotation(Entity *box);

 // thruster
-V2 box_facing_vector(Entity *box);
-V2 thruster_force(Entity *box);
+cpVect box_facing_vector(Entity *box);
+cpVect thruster_force(Entity *box);

 // debug draw
 void dbg_drawall();
-void dbg_line(V2 from, V2 to);
-void dbg_rect(V2 center);
+void dbg_line(cpVect from, cpVect to);
+void dbg_rect(cpVect center);

 typedef struct ServerThreadInfo
 {
@ -490,7 +488,7 @@ typedef struct AABB
  double x, y, width, height;
 } AABB;

-static inline AABB centered_at(V2 point, V2 size)
+static inline AABB centered_at(cpVect point, cpVect size)
 {
  return (AABB){
      .x = point.x - size.x / 2.0f,
@ -500,28 +498,28 @@ static inline AABB centered_at(V2 point, V2 size)
  };
 }

-static inline bool has_point(AABB aabb, V2 point)
+static inline bool has_point(AABB aabb, cpVect point)
 {
  return point.x > aabb.x && point.x < aabb.x + aabb.width && point.y > aabb.y && point.y < aabb.y + aabb.height;
 }

-static inline double cpvprojectval(V2 vec, V2 onto)
+static inline double cpvprojectval(cpVect vec, cpVect onto)
 {
  double length_onto = cpvlength(onto);
  return cpvdot(vec, onto) / (length_onto * length_onto);
 }

 // spins around by theta
-static inline V2 cpvspin(V2 vec, double theta)
+static inline cpVect cpvspin(cpVect vec, double theta)
 {
-  return (V2){
+  return (cpVect){
      .x = vec.x * cos(theta) - vec.y * sin(theta),
      .y = vec.x * sin(theta) + vec.y * cos(theta),
  };
 }

 // also known as atan2
-static inline double cpvangle(V2 vec)
+static inline double cpvangle(cpVect vec)
 {
  return atan2(vec.y, vec.x);
 }
@ -548,7 +546,7 @@ static inline double clamp(double f, double minimum, double maximum)
  return f;
 }

-static inline double cpvanglediff(V2 a, V2 b)
+static inline double cpvanglediff(cpVect a, cpVect b)
 {
  double acos_input = cpvdot(a, b) / (cpvlength(a) * cpvlength(b));
  acos_input = clamp(acos_input, -1.0f, 1.0f);
@ -573,14 +571,14 @@ static inline double lerp_angle(double p_from, double p_to, double p_weight)
  return p_from + distance * p_weight;
 }

-static inline V2 cpvfloor(V2 p)
+static inline cpVect cpvfloor(cpVect p)
 {
-  return (V2){floor(p.x), floor(p.y)};
+  return (cpVect){floor(p.x), floor(p.y)};
 }

-static inline V2 cpvfract(V2 p)
+static inline cpVect cpvfract(cpVect p)
 {
-  return (V2){fract(p.x), fract(p.y)};
+  return (cpVect){fract(p.x), fract(p.y)};
 }

 // for random generation