Commit 3c5a6ccb by doszhang

dos

parent 3fde3335
...@@ -143,7 +143,7 @@ function Particle() { ...@@ -143,7 +143,7 @@ function Particle() {
this.vx = (Math.random() - 0.5) * 10; this.vx = (Math.random() - 0.5) * 10;
this.vy = (Math.random() - 0.5) * 10; this.vy = (Math.random() - 0.5) * 10;
this.alpha = Math.random() * .5 + 1; this.alpha = Math.random() * .5 + .5;
this.color; this.color;
} }
...@@ -154,7 +154,7 @@ Particle.prototype = { ...@@ -154,7 +154,7 @@ Particle.prototype = {
this.x += this.vx; this.x += this.vx;
this.vy += this.gravity; this.vy += this.gravity;
this.y += this.vy; this.y += this.vy;
this.alpha -= 0.03; this.alpha -= 0.01;
if (this.x <= -this.w || this.x >= canvas.width || if (this.x <= -this.w || this.x >= canvas.width ||
this.y >= canvas.height || this.y >= canvas.height ||
this.alpha <= 0) { this.alpha <= 0) {
......
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