#5 block begin y index is -2

fpdjsns · Aug 1, 2020 · 765ebbb · 765ebbb
1 parent 77afb74
commit 765ebbb
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Showing 3 changed files with 7 additions and 5 deletions.
diff --git a/Tetris/js/blockType.js b/Tetris/js/blockType.js
@@ -24,7 +24,7 @@ const blockType = [
         name: "I",
         color: "darkred",
         shape: [
-            [[0, 0, 0, 0], [1, 1, 1, 1], [0, 0, 0, 0], [0, 0, 0, 0]],
+            [[0, 0, 0, 0], [0, 0, 0, 0], [1, 1, 1, 1], [0, 0, 0, 0]],
             [[0, 0, 1, 0], [0, 0, 1, 0], [0, 0, 1, 0], [0, 0, 1, 0]]
         ]
     },

diff --git a/Tetris/js/constants.js b/Tetris/js/constants.js
@@ -9,10 +9,12 @@ const BIG_BLOCK_SIZE = SMALL_BLOCK_SIZE * SMALL_BLOCK_NUM;
 
 const NEXT_BLOCK_SIZE = 3;
 
+const HIDE_SCREEN_HEIGHT_NUM = 2;
+
 const GAME_SCREEN_WIDTH_NUM = 10;
-const GAME_SCREEN_HEIGHT_NUM = 20;
+const GAME_SCREEN_HEIGHT_NUM = 20 + HIDE_SCREEN_HEIGHT_NUM;
 const GAME_SCREEN_WIDTH = GAME_SCREEN_WIDTH_NUM * SMALL_BLOCK_SIZE;
-const GAME_SCREEN_HEIGHT = GAME_SCREEN_HEIGHT_NUM * SMALL_BLOCK_SIZE;
+const GAME_SCREEN_HEIGHT = (GAME_SCREEN_HEIGHT_NUM - HIDE_SCREEN_HEIGHT_NUM) * SMALL_BLOCK_SIZE;
 
 const GAME_SCREEN_LEFT = canvas.clientLeft;
 const GAME_SCREEN_RIGHT = canvas.clientLeft + GAME_SCREEN_WIDTH;

diff --git a/Tetris/js/gameAlgorithm.js b/Tetris/js/gameAlgorithm.js
@@ -127,7 +127,7 @@ var eraseRow = function(row) {
 var eraseOneBlock = function(x, y) {
     ctx.clearRect(
         x * SMALL_BLOCK_SIZE + BLOCK_GAP,
-        y * SMALL_BLOCK_SIZE + BLOCK_GAP,
+        (y - HIDE_SCREEN_HEIGHT_NUM) * SMALL_BLOCK_SIZE + BLOCK_GAP,
         SMALL_BLOCK_SIZE - BLOCK_GAP,
         SMALL_BLOCK_SIZE - BLOCK_GAP
     );
@@ -137,7 +137,7 @@ var drawOneBlockWithColor = function(x, y, colorName) {
     ctx.fillStyle = colorName;
     ctx.fillRect(
         x * SMALL_BLOCK_SIZE + BLOCK_GAP,
-        y * SMALL_BLOCK_SIZE + BLOCK_GAP,
+        (y - HIDE_SCREEN_HEIGHT_NUM) * SMALL_BLOCK_SIZE + BLOCK_GAP,
         SMALL_BLOCK_SIZE - BLOCK_GAP,
         SMALL_BLOCK_SIZE - BLOCK_GAP
     );