dos

Public/static/js/common.js

@@ -111,12 +111,20 @@ function update() {
 
 function paint() {
     ctx.globalCompositeOperation = 'source-over';
-    ctx.fillStyle = "rgba(0,0,0,0.1)";
-    ctx.fillRect(0, 0, w, h);
-    ctx.globalCompositeOperation = 'lighter';
-    for (var i = 0; i < particles.length; i++) {
-        particles[i].draw(ctx);
+    ctx.globalAlpha = 0.1;
+    // ctx.fillStyle = "rgba(0,0,0,0.1)";
+    var img = new Image();
+    img.src = '/Public/static/fireworkbg.jpg'
+    img.onload = function () {
+        ctx.drawImage(img, 0, 0, canvas.width, canvas.height);
+        ctx.fillRect(0, 0, w, h);
+        ctx.globalCompositeOperation = 'lighter';
+        ctx.globalAlpha = 1;
+        for (var i = 0; i < particles.length; i++) {
+            particles[i].draw(ctx);
+        }
     }
+
 }
 
 function createFirework() {