while から for 文に変更した

nobu09 · Dec 4, 2023 · 32e6d22 · 32e6d22
1 parent 9170ef1
commit 32e6d22
Showing 1 changed file with 6 additions and 7 deletions.
diff --git a/programs/tree.rb b/programs/tree.rb
@@ -1,6 +1,6 @@
 def setup
   $xSlide = 80
-  $ySlide = Math::sqrt(($xSlide)**2 - ($xSlide / 2)**2)
+  $ySlide = (Math::sqrt(($xSlide)**2 - ($xSlide / 2)**2)).ceil
   $split = 9
 
   createCanvas($xSlide * $split, $ySlide * $split)
@@ -9,20 +9,19 @@ def setup
 def draw
   noLoop
   noStroke
-  fill('#000000')
 
   x = 0
-  while x < width
+  for xIndex in 0..width
     y = 0
-    index = 0
-    while y < height
-      if index.even?
+    fill("black")
+
+    for yIndex in 0..height
+      if yIndex.even?
         triangle(x, y + $ySlide, x + $xSlide / 2, y, x + $xSlide, y + $ySlide)
       else
         triangle(x, y, x + $xSlide, y, x + $xSlide / 2, y + $ySlide)
       end
       y += $ySlide
-      index += 1
     end
     x += $xSlide
   end