diff --git a/src/app.c b/src/app.c
index 7886cdb..5f766c5 100644
--- a/src/app.c
+++ b/src/app.c
@@ -252,17 +252,17 @@ float calc_frame_time(struct timespec *start, struct timespec *end)
     return elapsed_time;
 }
 
-void app_generate_world(App *app, int x)
+void app_generate_world(App *app, int a)
 {
-    app->chunk_count = x*x;
-    app->chunks = malloc(x*x*sizeof(Chunk));
-    memset(app->chunks, 0, x*x*sizeof(Chunk));
+    app->chunk_count = a*a;
+    app->chunks = malloc(a*a*sizeof(Chunk));
+    memset(app->chunks, 0, a*a*sizeof(Chunk));
 
     unsigned char ptable[512];
     noise_init_ptable(ptable);
 
-    for (int i = 0; i < x; i++) {
-        for (int j = 0; j < x; j++) {
+    for (int i = 0; i < a; i++) {
+        for (int j = 0; j < a; j++) {
             Chunk c;
             c.start_pos.x = i*CHUNK_MAX_X;
             c.start_pos.y = j*CHUNK_MAX_Y;
@@ -270,9 +270,18 @@ void app_generate_world(App *app, int x)
             for (int x = 0; x < CHUNK_MAX_X; x++) {
                 for (int y = 0; y < CHUNK_MAX_Y; y++) {
                     printf("x: %d y:%d noise: %f\n", 
-                            x, y, (noise_noise2(ptable, x*0.01, y*0.01) + 1) * 0.5 * 60);
+                         x, y, (noise_noise2(ptable, x*0.005, y*0.005) + 1) * 0.5 * 60);
+                    int mz = round((noise_noise2(ptable, x*0.005, y*0.005) + 1) * 0.5 * 60);
+                    for (int z = 0; z < mz; z++)
+                        c.blocks[x][y][z].type = BLOCKTYPE_STONE;
+                    for (int z = mz; i < CHUNK_MAX_Z; i++)
+                        c.blocks[x][y][z].type = BLOCKTYPE_AIR;
                 }
-             }
+            }
+            chunk_set_blocks_visibility(&c);
+            chunk_create_displayl(app, &c);
+
+            app->chunks[i+(j*a)] = c;
         }
     }
 }