fix syntax

examples/tetris/main.ce

@@ -56,9 +56,12 @@ var shapeKeys = array(SHAPES)
 // Initialize board with empty (0)
 function initBoard() {
   board = []
-  for (var r=0; r<ROWS; r++) {
-    var row = []
-    for (var c=0; c<COLS; c++) push(row, 0)
+  var r = 0;
+  var row = null;
+  var c = 0;
+  for (r=0; r<ROWS; r++) {
+    row = []
+    for (c=0; c<COLS; c++) push(row, 0)
     push(board, row)
   }
 }
@@ -66,7 +69,7 @@ initBoard()
 
 function randomShape() {
   var key = shapeKeys[floor(random.random()*length(shapeKeys))]
-  // Make a copy of the shape’s blocks
+  // Make a copy of the shape's blocks
   return {
     type: key,
     color: SHAPES[key].color,
@@ -84,9 +87,12 @@ function spawnPiece() {
 }
 
 function collides(px, py, blocks) {
-  for (var i=0; i<length(blocks); i++) {
-    var x = px + blocks[i][0]
-    var y = py + blocks[i][1]
+  var i = 0;
+  var x = 0;
+  var y = 0;
+  for (i=0; i<length(blocks); i++) {
+    x = px + blocks[i][0]
+    y = py + blocks[i][1]
     if (x<0 || x>=COLS || y<0 || y>=ROWS) return true
     if (y>=0 && board[y][x]) return true
   }
@@ -95,9 +101,12 @@ function collides(px, py, blocks) {
 
 // Lock piece into board
 function lockPiece() {
-  for (var i=0; i<length(piece.blocks); i++) {
-    var x = pieceX + piece.blocks[i][0]
-    var y = pieceY + piece.blocks[i][1]
+  var i = 0;
+  var x = 0;
+  var y = 0;
+  for (i=0; i<length(piece.blocks); i++) {
+    x = pieceX + piece.blocks[i][0]
+    y = pieceY + piece.blocks[i][1]
     if (y>=0) board[y][x] = piece.color
   }
 }
@@ -105,9 +114,12 @@ function lockPiece() {
 // Rotate 90° clockwise
 function rotate(blocks) {
   // (x,y) => (y,-x)
-  for (var i=0; i<length(blocks); i++) {
-    var x = blocks[i][0]
-    var y = blocks[i][1]
+  var i = 0;
+  var x = 0;
+  var y = 0;
+  for (i=0; i<length(blocks); i++) {
+    x = blocks[i][0]
+    y = blocks[i][1]
     blocks[i][0] = y
     blocks[i][1] = -x
   }
@@ -115,14 +127,17 @@ function rotate(blocks) {
 
 function clearLines() {
   var lines = 0
-  for (var r=ROWS-1; r>=0;) {
+  var r = ROWS-1;
+  var newRow = null;
+  var c = 0;
+  for (r=ROWS-1; r>=0;) {
     if (every(board[r], cell => cell)) {
       lines++
       // remove row
       board = array(array(board, 0, r), array(board, r+1))
       // add empty row on top
-      var newRow = []
-      for (var c=0; c<COLS; c++) push(newRow, 0)
+      newRow = []
+      for (c=0; c<COLS; c++) push(newRow, 0)
       board.unshift(newRow)
     } else {
       r--
@@ -195,10 +210,11 @@ this.update = function(dt) {
   // ======= End Horizontal Movement Gate =======
 
   // Rotate with W (once per press, no spinning)
+  var test = null;
   if (input.keyboard.down('w')) {
     if (!rotateHeld) {
       rotateHeld = true
-      var test = array(piece.blocks, b => [b[0], b[1]])
+      test = array(piece.blocks, b => [b[0], b[1]])
       rotate(test)
       if (!collides(pieceX, pieceY, test)) piece.blocks = test
     }
@@ -232,9 +248,19 @@ this.hud = function() {
   draw.rectangle({x:0, y:0, width:config.width, height:config.height}, [0,0,0,1])
 
   // Draw board
-  for (var r=0; r<ROWS; r++) {
-    for (var c=0; c<COLS; c++) {
-      var cell = board[r][c]
+  var r = 0;
+  var c = 0;
+  var cell = null;
+  var i = 0;
+  var x = 0;
+  var y = 0;
+  var nx = 0;
+  var ny = 0;
+  var dx = 0;
+  var dy = 0;
+  for (r=0; r<ROWS; r++) {
+    for (c=0; c<COLS; c++) {
+      cell = board[r][c]
       if (!cell) continue
       draw.rectangle({x:c*TILE, y:(ROWS-1-r)*TILE, width:TILE, height:TILE}, cell)
     }
@@ -242,9 +268,9 @@ this.hud = function() {
 
   // Draw falling piece
   if (!gameOver && piece) {
-    for (var i=0; i<length(piece.blocks); i++) {
-      var x = pieceX + piece.blocks[i][0]
-      var y = pieceY + piece.blocks[i][1]
+    for (i=0; i<length(piece.blocks); i++) {
+      x = pieceX + piece.blocks[i][0]
+      y = pieceY + piece.blocks[i][1]
       draw.rectangle({x:x*TILE, y:(ROWS-1-y)*TILE, width:TILE, height:TILE}, piece.color)
     }
   }
@@ -252,11 +278,11 @@ this.hud = function() {
   // Next piece window
   draw.text("Next", {x:70, y:5, width:50, height:10}, null, 0, color.white)
   if (nextPiece) {
-    for (var i=0; i<length(nextPiece.blocks); i++) {
-      var nx = nextPiece.blocks[i][0]
-      var ny = nextPiece.blocks[i][1]
-      var dx = 12 + nx
-      var dy = 16 - ny
+    for (i=0; i<length(nextPiece.blocks); i++) {
+      nx = nextPiece.blocks[i][0]
+      ny = nextPiece.blocks[i][1]
+      dx = 12 + nx
+      dy = 16 - ny
       draw.rectangle({x:dx*TILE, y:(ROWS-1-dy)*TILE, width:TILE, height:TILE}, nextPiece.color)
     }
   }
@@ -269,4 +295,3 @@ this.hud = function() {
     draw.text("GAME OVER", {x:10, y:config.height*0.5-5, width:config.width-20, height:20}, null, 0, color.red)
   }
 }
-