Added max select distance

2 files changed, 26 insertions, 7 deletions

diff --git a/src/player.c b/src/player.c
index f0928e9..36f5efe 100644
--- a/src/player.c
+++ b/src/player.c
@@ -83,11 +83,34 @@ void updatePlayerMovement(Player* player, Game* game)
   camera->target = Vector3Add(player->position, player->direction);
 }
 
-void playerInteractWithEntity(Player* player, Game* game, Entity* entity)
+bool playerCanEntityBeSelected(Player* player, Entity* entity)
+{
+  float maxDistance = PLAYER_MAX_SELECT_DISTANCE;
+  maxDistance += Vector3Distance(entity->box.min, entity->box.max) / 2.0;
+  
+  return Vector3Distance(player->position, entity->position) <= maxDistance;
+}
+
+void playerInteractWithEntity(Player* player, Entity* entity, Game* game)
 {
   printf("%d\n", interactWithEntity(entity, game, SELECTION_INTERACT));
 }
 
+void playerUpdateSelectedEntity(Player* player, Entity* entity, Game* game)
+{
+  if (!playerCanEntityBeSelected(player, entity))
+  {
+    return;
+  }
+  
+  DrawBoundingBox(entity->box, RED);
+
+  if (IsKeyPressed(game->settings.interactKey))
+  {
+    playerInteractWithEntity(player, entity, game);
+  }
+}
+
 // TODO: move magic numbers to settings
 void updatePlayer(Player* player, Game* game)
 {
@@ -104,11 +127,6 @@ void updatePlayer(Player* player, Game* game)
 
   if (uid != -1)
   {
-    DrawBoundingBox(game->world.entities[uid].box, RED);
-
-    if (IsKeyPressed(game->settings.interactKey))
-    {
-      playerInteractWithEntity(player, game, &game->world.entities[uid]);
-    }
+    playerUpdateSelectedEntity(player, &game->world.entities[uid], game);
   }
 }
diff --git a/src/player.h b/src/player.h
index d66b9dd..71c9993 100644
--- a/src/player.h
+++ b/src/player.h
@@ -5,6 +5,7 @@
 
 #define PLAYER_HEIGHT 2.0
 #define PLAYER_SPEED 8.0
+#define PLAYER_MAX_SELECT_DISTANCE 10.0
 
 typedef struct {
   Vector3 position;