feat: Improve stone layer visibility and rendering

js/main.js

@@ -47,6 +47,16 @@ window.onload = function() {
     
     // Initialize the first chunk and generate terrain around it
     getOrCreateChunk(0, 0);
+    
+    // Explicitly create and mark the stone layer as dirty
+    for (let dx = -5; dx <= 5; dx++) {
+        const chunkX = dx;
+        const chunkY = 1; // Stone layer
+        const key = getChunkKey(chunkX, chunkY);
+        getOrCreateChunk(chunkX, chunkY);
+        dirtyChunks.add(key);
+    }
+    
     generateChunksAroundPlayer();
     
     // Start the simulation loop

js/render.js

@@ -49,7 +49,21 @@ function render() {
                 const index = y * CHUNK_SIZE + x;
                 const type = chunk[index];
                 
-                if (type === EMPTY) continue;
+                // Always render stone layer even if it's not directly visible
+                if (type === EMPTY && chunkY !== 1) continue;
+                
+                // For the stone layer (chunkY = 1), render a faint background even for empty spaces
+                if (type === EMPTY && chunkY === 1) {
+                    // Use a very faint gray for empty spaces in the stone layer
+                    ctx.fillStyle = 'rgba(100, 100, 100, 0.2)';
+                    ctx.fillRect(
+                        screenX + x * PIXEL_SIZE,
+                        screenY + y * PIXEL_SIZE,
+                        PIXEL_SIZE,
+                        PIXEL_SIZE
+                    );
+                    continue;
+                }
                 
                 // Set color based on type
                 if (type === SAND) {

js/world.js

@@ -56,8 +56,8 @@ function getOrCreateChunk(chunkX, chunkY) {
                         if (random() > noiseThreshold) {
                             chunkData[y * CHUNK_SIZE + x] = SAND;
                         } else {
-                            // Randomly choose between stone and empty space
+                            // Increase stone density to make it more visible
-                            chunkData[y * CHUNK_SIZE + x] = random() < 0.7 ? STONE : EMPTY;
+                            chunkData[y * CHUNK_SIZE + x] = random() < 0.9 ? STONE : EMPTY;
                         }
                     } else {
                         // Below the transition zone, it's all stone
@@ -65,6 +65,9 @@ function getOrCreateChunk(chunkX, chunkY) {
                     }
                 }
             }
+            
+            // Mark this chunk as dirty to ensure it gets rendered
+            dirtyChunks.add(key);
         }
         
         // Floor has been removed as it's no longer needed
@@ -524,10 +527,9 @@ function generateChunksAroundPlayer() {
         const chunkY = 1; // The chunk at y = 1 (moved from y = -1)
         const key = getChunkKey(chunkX, chunkY);
         
-        // Prioritize visible chunks
+        // Always generate and mark as dirty to ensure rendering
-        if (visibleChunkKeys.has(key)) {
+        getOrCreateChunk(chunkX, chunkY);
-            getOrCreateChunk(chunkX, chunkY);
+        dirtyChunks.add(key);
-        }
     }
     
     // Generate visible chunks first