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@ -1,10 +1,14 @@ |
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var myName; |
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var myName; |
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var websocket; |
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var websocket; |
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var statusbar |
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var ballscreen; |
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var ballscreen; |
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var svgscreen; |
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var svgscreen; |
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var current_svgline; |
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var current_svgline; |
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var balls_online = new Array(); |
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var balls_online = new Array(); |
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var svglines_online = new Array(); |
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var svglines_online = new Array(); |
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var speed = 100; |
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var speed = 100; |
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var line_kind = 1; |
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var line_kind = 1; |
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@ -14,7 +18,7 @@ function init() { |
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var login = document.getElementById('login'); |
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var login = document.getElementById('login'); |
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login.parentNode.removeChild(login); |
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login.parentNode.removeChild(login); |
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var statusbar = document.getElementById('status'); |
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statusbar = document.getElementById('status'); |
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ballscreen = document.getElementById("ballscreen"); |
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ballscreen = document.getElementById("ballscreen"); |
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svgscreen = document.getElementById("svgscreen"); |
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svgscreen = document.getElementById("svgscreen"); |
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@ -31,40 +35,45 @@ function init() { |
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function onOpen(evt) { |
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function onOpen(evt) { |
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updateUser(); |
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updateUser(); |
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setInterval(poll, speed); |
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} |
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} |
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function onMessage(evt) { |
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function onMessage(evt) { |
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console.log(evt.data); |
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var ret = JSON.parse(evt.data); |
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var ret = JSON.parse(evt.data); |
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var balls = ret.balls; |
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var balls = ret.balls; |
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var lines = ret.lines; |
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var lines = ret.lines; |
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statusbar.innerHTML = balls.length; |
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if(balls){ |
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if(balls){ |
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console.log('updating balls'); |
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updateBalls(balls); |
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updateBalls(balls); |
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} |
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} |
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if(lines){ |
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if(lines){ |
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console.log('updating lines'); |
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//updateLines(lines);
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updateLines(lines); |
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} |
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} |
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setTimeout(function(){ |
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poll(); |
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}, speed); |
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} |
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} |
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function updateBalls(balls){ |
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function updateBalls(balls){ |
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// Because we use transitions for the balls
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// Because we use transitions for the balls
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// we really update them, and only delete the ones which are absent
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// we really update them, and only delete the ones which are absent
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var updates = 0; |
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var news = 0; |
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var removed = 0; |
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for(i in balls_online){ |
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for(i in balls_online){ |
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balls_online[i].should_remove = true; |
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balls_online[i].should_remove = true; |
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} |
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} |
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for (var i = balls.length - 1; i >= 0; i--) { |
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for (var i = balls.length - 1; i >= 0; i--) { |
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var ball = document.getElementById(balls[i].information); |
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var ball = document.getElementById(balls[i].information); |
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if(ball){ |
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if(ball){ |
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++updates; |
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ball.style.left = balls[i].position.x + "px"; |
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ball.style.left = balls[i].position.x + "px"; |
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ball.style.top = balls[i].position.y + "px"; |
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ball.style.top = balls[i].position.y + "px"; |
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ball.should_remove = false; |
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ball.should_remove = false; |
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} else { |
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} else { |
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++news; |
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var ball = document.createElement('div'); |
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var ball = document.createElement('div'); |
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ball.should_remove = false; |
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ball.should_remove = false; |
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ball.id = balls[i].information; |
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ball.id = balls[i].information; |
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@ -79,10 +88,13 @@ function updateBalls(balls){ |
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} |
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} |
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for (var i = balls_online.length - 1; i >= 0; i--) { |
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for (var i = balls_online.length - 1; i >= 0; i--) { |
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if(balls_online[i].should_remove){ |
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if(balls_online[i].should_remove){ |
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++removed |
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ballscreen.removeChild(balls_online[i]); |
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ballscreen.removeChild(balls_online[i]); |
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balls_online.splice(i, 1); |
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balls_online.splice(i, 1); |
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} |
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} |
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}; |
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}; |
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statusbar.innerHTML = updates + ', ' + news + ', ' + removed; |
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} |
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} |
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function updateLines(lines){ |
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function updateLines(lines){ |
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