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< http-equiv="Content-Type" content="text/html; charset=utf-8">HTML5模仿骇客帝国文字矩阵效果< type="text/***">var s = screen;var width = q.width = s.width;var height = q.height = s.height;var letters = Array(256).join(1).split('');var draw = () { q.getContext('2d').fillStyle='rgba(0,0,0,.05)'; q.getContext('2d').fillRect(0,0,width,height); q.getContext('2d').fillStyle='#0F0'; letters.map((y_pos, index){ text = String.fromCharCode(3e4+Math.random()*33); x_pos = index * 10; q.getContext('2d').fillText(text, x_pos, y_pos); letters[index] = (y_pos > 758 + Math.random() * 1e4) ? 0 : y_pos + 10; });};setInterval(draw, 33); |
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