Only render objects on screen

game/map_init.c

@@ -7,6 +7,7 @@
 #include "entity_factory.h"
 #include "game_state.h"
 #include "map_layers.h"
+#include "utils.h"
 
 bool initGameObjectsLayer(BzTileMap *map, BzTileObjectGroup *objectGroup) {
     Game *game = ecs_singleton_get_mut(ECS, Game);
@@ -186,6 +187,10 @@ void terrainRender(BzTileMap *map, BzTileLayer *layer) {
     static f32 elapsed = 0.0f;
     elapsed += GetFrameTime();
 
+    const Game *game = ecs_singleton_get(ECS, Game);
+    Camera2D camera = game->camera;
+    Rectangle camBounds = getCameraBounds(camera);
+
     for (i32 y = 0; y < layer->height; y++) {
         for (i32 x = 0; x < layer->width; x++) {
             BzTile tile = bzTileLayerGetTile(layer, x, y);
@@ -198,7 +203,14 @@ void terrainRender(BzTileMap *map, BzTileLayer *layer) {
                     tile = terrainGetAnimationFrame(tile, frameIdx).frame;
                 }
                 Rectangle rec = bzTilesetGetTileRegion(tileset, tile);
-                DrawTextureRec(tileset->tiles, rec, drawPos, WHITE);
+                Rectangle bounds = {
+                        drawPos.x,
+                        drawPos.y,
+                        tileset->tileWidth,
+                        tileset->tileHeight
+                };
+                if (CheckCollisionRecs(camBounds, bounds))
+                    DrawTextureRec(tileset->tiles, rec, drawPos, WHITE);
             }
             drawPos.x += (float) tileset->tileWidth;
         }