逆三角形を描いて隙間を埋めていく

nobu09 · Dec 10, 2023 · b1e6e9f · b1e6e9f
1 parent 39c7174
commit b1e6e9f
Showing 1 changed file with 18 additions and 0 deletions.
diff --git a/programs/tree.rb b/programs/tree.rb
@@ -28,4 +28,22 @@ def draw
     xIndex -= 0.5
     yIndex += 1
   end
+
+  fill("mediumseagreen")
+
+  # 逆三角形を描いていく
+  xIndex = $split / 2 - 0.5
+  yIndex = 1
+
+  for yIndex in 1..$split
+    xAdjust = 0
+
+    for xCount in 0...yIndex
+      triangle($xSlide * (xIndex + xAdjust), $ySlide * yIndex, $xSlide * (xIndex + xAdjust ++ 0.5), $ySlide * (yIndex + 1), $xSlide *(xIndex + xAdjust + 1), $ySlide * yIndex)
+      xAdjust += 1
+    end
+
+    xIndex -= 0.5
+    yIndex += 1
+  end
 end