dos

Public/static/js/common.js

@@ -78,6 +78,12 @@ function onLoad() {
     ctx = canvas.getContext("2d");
     resizeCanvas();
 
+    ctx.beginPath();
+    ctx.lineWidth = "6";
+    ctx.strokeStyle = "red";
+    ctx.rect(0, 0, canvas.width, canvas.height);
+    ctx.stroke();
+
     window.requestAnimationFrame(updateWorld);
 }
 
@@ -109,7 +115,7 @@ function update() {
 
 function paint() {
     ctx.globalCompositeOperation = 'source-over';
-    ctx.fillStyle = "rgba(0,0,0,1)";
+    ctx.fillStyle = "rgba(0,0,0,0.2)";
     ctx.fillRect(0, 0, w, h);
     ctx.globalCompositeOperation = 'lighter';
     for (var i = 0; i < particles.length; i++) {