add background

sketch.js

@@ -8,6 +8,7 @@ let powerUps = [];
 let deathZoneY = 600;
 
 let spriteSheets = {};
+let background_sky;
 
 function preload() {
   // 여기에 sprite들을 preload (ex: mario = loadImage("..."))
@@ -19,10 +20,23 @@ function preload() {
 
 function setup() {
   createCanvas(800, 600);
+  const bgsource = spriteSheets.backgorunds;
+  background_sky = createImage(400,300);
+  background_sky.copy(bgsource,
+     514, 1565, 
+     512, 512, 
+     0, 0, 
+     400,300);
+  
+  
 }
 
 function draw() {
-  background(135, 206, 235); // sky blue
+  for (let y = 0; y < height; y += background_sky.height) {
+    for (let x = 0; x < width; x += background_sky.width) {
+      image(background_sky, x, y);
+    }
+  }
 
   // 임시 바닥
   fill(100);