変数の追加

sketch.js

@@ -1,8 +1,17 @@
+let dia = 60;
+let y = 100;
+
 function setup() {
-  createCanvas(400, 400);
+  createCanvas(400, 200);
+  noLoop();
 }
 
 function draw() {
-  background(1,0,200,);
-  ellipse(200,200,90,90)
-}
+  background(220);
+  fill(128, 128, 0);
+  noStroke();
+
+  circle(100, y, dia);
+  circle(200, y, dia);
+  circle(300, y, dia);
+}