modify world generation rule

module/utils.py

@@ -1,6 +1,6 @@
 import random
 from module import WIDTH, BLOCK_SIZE, HEIGHT
-from module.block import StoneBlock, GrassBlock, DirtBlock, AirBlock, Block
+from module.block import StoneBlock, GrassBlock, DirtBlock, AirBlock, Block, BedrockBlock
 
 
 # 生成地形
@@ -9,17 +9,29 @@ def generate_terrain() -> list[list[Block]]:
     ground_level = HEIGHT // BLOCK_SIZE // 2
 
     for x in range(WIDTH // BLOCK_SIZE):
+        #
+        #             AIR BLOCK
+        # height ============================= GRASS BLOCK
+        #  4          DIRT BLOCK
+        # +5     =============================
+        #             STONE BLOCK
+        # max    ============================= BEDROCK BLOCK
+        #
         column = []
         height = ground_level + random.randint(-3, 3)
         for y in range(HEIGHT // BLOCK_SIZE):
-            if y > height + 2:
-                column.append(StoneBlock(x, y))
+            if y < height:
+                block = AirBlock(x, y)
             elif y == height:
-                column.append(GrassBlock(x, y))
-            elif y > height - 3:
-                column.append(DirtBlock(x, y))
+                block = GrassBlock(x, y)
+            elif height < y < height + 5:
+                block = DirtBlock(x, y)
+            elif y == HEIGHT // BLOCK_SIZE - 1:
+                block = BedrockBlock(x, y)
             else:
-                column.append(AirBlock(x, y))
+                block = StoneBlock(x, y)
+            column.append(block)
+
         world.append(column)
 
     return world