diff --git a/src/level.c b/src/level.c
index 3e910a2..13f910a 100644
--- a/src/level.c
+++ b/src/level.c
@@ -4,6 +4,8 @@
 #include "level.h"
 #include "camera.h"
 
+#define VEC_PRECISE_HALF_DISP (Vec){DWIDTH * VEC_PRECISION / 2, DHEIGHT * VEC_PRECISION / 2}
+
 void level_step(const Level *level)
 {
 }
@@ -16,9 +18,20 @@ void level_draw(const Level *level, Camera *camera)
 void layer_draw(const Level *level, Camera *camera, uint layer_id)
 {
 	const uint8_t *layer = level->layers[layer_id];
-	for (int y = 0; y < level->height; ++y)
+	Vec display_tl, display_br;
+	vec_cpy(&display_tl, camera->pos);
+	vec_cpy(&display_br, display_tl);
+	vec_sub(&display_tl, VEC_PRECISE_HALF_DISP);
+	vec_add(&display_br, VEC_PRECISE_HALF_DISP);
+	vec_div(&display_tl, VEC_PRECISION * TILE_SIZE);
+	vec_div(&display_br, VEC_PRECISION * TILE_SIZE);
+	int start_x = (display_tl.x > 0) ? display_tl.x : 0;
+	int start_y = (display_tl.y > 0) ? display_tl.y : 0;
+	int end_x = (display_br.x < level->width) ? display_br.x + 1 : level->width;
+	int end_y = (display_br.y < level->height) ? display_br.y + 1 : level->height;
+	for (int y = start_y; y < end_y; ++y)
 	{
-		for (int x = 0; x < level->width; ++x)
+		for (int x = start_x; x < end_x; ++x)
 		{
 			const uint8_t cell = layer[x + y * level->width];
 			#ifdef FX9860G