实例介绍
【实例简介】
【实例截图】
【核心代码】
<!DOCTYPE html>
<!-- saved from url=(0023)http://localhost:54453/ -->
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Html5 Snooker Club</title>
<link href="./Html5SnookerClub_files/css" rel="stylesheet" type="text/css">
<script type="text/javascript" src="./Html5SnookerClub_files/jquery-1.5.1.min.js"></script>
<script type="text/javascript" src="./Html5SnookerClub_files/Vector2D.js"></script>
<script type="text/javascript" src="./Html5SnookerClub_files/CanvasPrototype.js"></script>
<script type="text/javascript" src="./Html5SnookerClub_files/Queue.js"></script>
<link href="./Html5SnookerClub_files/Site.css" rel="stylesheet" type="text/css">
<style>
body
{
background-color: #102010;
font-family: Arial;
font-size: 14px;
margin: 0;
}
span
{
color: White;
position: absolute;
}
.gameEvents
{
position: absolute;
color: White;
max-height: 200px;
width: 800px;
overflow: auto;
font-family: Arial, Courier New, Consolas;
font-size: 0.75em;
}
.player1Image { left: 45px; top: 30px; width: 133px; height: 70px; border: 2px solid transparent; background-image: url('Content/Images/Player1.png'); background-size: 100%; opacity: 0.25;}
.player2Image { left: 45px; top: 153px; width: 133px; height: 70px; border: 2px solid transparent; background-image: url('Content/Images/Player2.png'); background-size: 100%; opacity: 0.25;}
.player1BallOn { position: absolute; left: 145px; top: 130px; width: 133px; height: 70px; border: 2px solid transparent;}
.player2BallOn { position: absolute; left: 145px; top: 253px; width: 133px; height: 70px; border: 2px solid transparent;}
.player1Name { left: 52px; top: 116px; color: #ffffff; font-family: Arial Black; opacity: 1.0;}
.player2Name { left: 52px; top: 238px; color: #ffffff; font-family: Arial Black; opacity: 1.0;}
.player1Score { left: 165px; top: 116px; font-family: Arial Black; text-align: center;}
.player2Score { left: 165px; top: 238px; font-family: Arial Black; text-align: center;}
.log { left: 900px; top: 0px; font-family: Courier New, Consolas; font-size: 1.0em; display: none; }
.gameEvents { left: 40px; top: 420px; display: none; }
#strengthBar-ie { position: absolute; margin:375px 0 0 139px; width: 150px; color: lime; background-color: orange; z-index: 5;}
#strengthBar { position: absolute; margin:375px 0 0 139px; width: 150px; color: lime; background-color: orange; z-index: 5; display: none;}
#snookerRoom { position: absolute; margin:100px 0 0 100px; padding:0; width: 874px; height: 397px; background-image: url('Content/Images/score_wallpaper_green.JPG'); z-index: 0;}
#bottomCanvas { position: absolute; margin:140px 0 0 351px; padding:0; width: 577px; height: 309px; border: 2px; z-index: 1;}
#topCanvas { position: absolute; margin:000px 0 0 000px; z-index: 3;}
#cue { position:absolute; }
#roofFan { position:absolute; left: 600px; top: -100px; width: 500px; height: 500px; border: 2px solid transparent; background-image: url('Content/Images/roofFan.png'); background-size: 100%; opacity: 0.3; z-index: 2;}
</style>
</head><body><div id="snookerRoom" class="snookerRoom">
<span id="log" class="log">playingTeamID: 1<br>ball on points: 1<br>redCount: 15<br>strokenBallsCount: 1<br>fallenRedCount: 2<br>wonPoints: 0<br>lostPoints: 0<br>someInTable: true<br>pottedBalls: 0<br>Team 1 Points: 4<br>Team 2 Points: 4</span>
<span id="player1Name" class="player1Name" style="color: rgb(128, 128, 128); ">PLAYER 1</span>
<span id="player2Name" class="player2Name" style="color: rgb(255, 255, 255); ">PLAYER 2</span>
<span id="player1Score" class="player1Score">4</span>
<span id="player2Score" class="player2Score">4</span>
<span id="player1Image" class="player1Image" style="opacity: 0.25; "> </span>
<span id="player2Image" class="player2Image" style="opacity: 1; "> </span>
<div id="gameEvents" class="gameEvents">===GAME EVENTS===<br>Begin shot: Player 1<br>Potted balls count: 2<br>Foul 4 points : Expected 1, but hit 5<br>Foul 4 points : causing the cue ball to miss all object balls<br>Foul 4 points : 5 was potted, while 1 was expected<br>ball.Points: 5<br>teams[playingTeamID - 1].BallOn.Points: 1<br>fallenRedCount: 1<br>redCount: 15<br> Lost 4 points.<br> wonPoints: 0, lostPoints: 4<br>End shot: Player 1<br>Begin shot: Player 2<br>Potted balls count: 2<br>Foul 4 points : Expected 1, but hit 2<br>Foul 4 points : causing the cue ball to miss all object balls<br>Foul 4 points : 2 was potted, while 1 was expected<br>ball.Points: 2<br>teams[playingTeamID - 1].BallOn.Points: 1<br>fallenRedCount: 2<br>redCount: 15<br> Lost 4 points.<br> wonPoints: 0, lostPoints: 4<br>End shot: Player 2<br>Begin shot: Player 1<br>Potted balls count: 0<br> wonPoints: 0, lostPoints: 0<br>End shot: Player 1</div>
</div>
<canvas id="bottomCanvas" class="bottomCanvas" width="577" height="309">
</canvas>
<canvas id="topCanvas" class="topCanvas" height="597" width="1074"></canvas>
<div id="strengthBar-ie">
<img id="strengthBar-ie_back" src="./Html5SnookerClub_files/meter-ie_back.png" style="position: absolute; top: 0;">
<img id="strengthBar-ie_front" src="./Html5SnookerClub_files/meter-ie_front.png" style="position: absolute; top: 0px; width: 70px; height: 14px; ">
</div>
<meter id="strengthBar" value="105" min="0" max="100" style="display: none; "></meter><br>
<div id="roofFan" style="-webkit-transform: rotate(0deg); "> </div>
<canvas id="player1BallOn" class="player1BallOn">
</canvas>
<canvas id="player2BallOn" class="player2BallOn">
</canvas>
<h1> <br> <br></h1>
<audio id="Fall" src="Content/Sounds/Fall.wav" preload="true">
Your browser does not support the audio element.
</audio>
<audio id="Hit01" src="Content/Sounds/Hit01.wav" preload="true">
Your browser does not support the audio element.
</audio>
<audio id="Hit02" src="Content/Sounds/Hit02.wav" preload="true">
Your browser does not support the audio element.
</audio>
<audio id="Hit03" src="Content/Sounds/Hit03.wav" preload="true">
Your browser does not support the audio element.
</audio>
<audio id="Hit04" src="Content/Sounds/Hit04.wav" preload="true">
Your browser does not support the audio element.
</audio>
<audio id="Hit05" src="Content/Sounds/Hit05.wav" preload="true">
Your browser does not support the audio element.
</audio>
<audio id="Hit06" src="Content/Sounds/Hit06.wav" preload="true">
Your browser does not support the audio element.
</audio>
<audio id="Shot" src="Content/Sounds/shot01.wav" preload="true">
Your browser does not support the audio element.
</audio>
<audio id="Fall_ie" src="Content/Sounds/Fall.mp3" preload="true">
Your browser does not support the audio element.
</audio>
<audio id="Hit01_ie" src="Content/Sounds/Hit01.mp3" preload="true">
Your browser does not support the audio element.
</audio>
<audio id="Hit02_ie" src="Content/Sounds/Hit02.mp3" preload="true">
Your browser does not support the audio element.
</audio>
<audio id="Hit03_ie" src="Content/Sounds/Hit03.mp3" preload="true">
Your browser does not support the audio element.
</audio>
<audio id="Hit04_ie" src="Content/Sounds/Hit04.mp3" preload="true">
Your browser does not support the audio element.
</audio>
<audio id="Hit05_ie" src="Content/Sounds/Hit05.mp3" preload="true">
Your browser does not support the audio element.
</audio>
<audio id="Hit06_ie" src="Content/Sounds/Hit06.mp3" preload="true">
Your browser does not support the audio element.
</audio>
<audio id="Shot_ie" src="Content/Sounds/shot01.mp3" preload="true">
Your browser does not support the audio element.
</audio>
<script type="text/javascript">
var bottomCanvas = document.getElementById('bottomCanvas');
var topCanvas = document.getElementById('topCanvas');
var playingTeamID = 1;
var awaitingTeamID = 2;
var renderStep = 0;
var tracingQueue = new Queue();
var teams = [];
teams[0] = {};
teams[0].Points = 0;
teams[0].JustSwapped = false;
teams[0].FoulList = [0];
teams[1] = {};
teams[1].Points = 0;
teams[1].JustSwapped = false;
teams[1].FoulList = [0];
var fallenBallsProcessed = true;
var isReady = true;
var strokenBalls = [];
var pottedBalls = [];
var lastSpeedSum = 0;
var started = false;
var audioLoaded = false;
var audioFall;
var audioHit01;
var audioHit02;
var audioHit03;
var audioHit04;
var audioHit05;
var audioHit06;
var audioShot;
if (!$.browser.msie) {
audioFall = document.getElementById('Fall');
audioHit01 = document.getElementById('Hit01');
audioHit02 = document.getElementById('Hit02');
audioHit03 = document.getElementById('Hit03');
audioHit04 = document.getElementById('Hit04');
audioHit05 = document.getElementById('Hit05');
audioHit06 = document.getElementById('Hit06');
audioShot = document.getElementById('Shot');
}
else {
audioFall = document.getElementById('Fall_ie');
audioHit01 = document.getElementById('Hit01_ie');
audioHit02 = document.getElementById('Hit02_ie');
audioHit03 = document.getElementById('Hit03_ie');
audioHit04 = document.getElementById('Hit04_ie');
audioHit05 = document.getElementById('Hit05_ie');
audioHit06 = document.getElementById('Hit06_ie');
audioShot = document.getElementById('Shot_ie');
}
var browserX = window.screenX;
var browserY = window.screenY;
var balls = [];
var pockets = [];
var cornerBalls = [];
var total = 22;
var currentDrag = null;
var mouseX = 0;
var mouseY = 0;
var lastMouseX = 0;
var lastMouseY = 0;
var strength = 0.7;
var bottomCanvasLeft = $('#bottomCanvas').css('margin-left').replace('px', '');
var bottomCanvasTop = $('#bottomCanvas').css('margin-top').replace('px', '');
var topCanvasLeft = $('#topCanvas').css('margin-left').replace('px', '');
var topCanvasTop = $('#topCanvas').css('margin-top').replace('px', '');
var bottomCanvasWidth = $('#bottomCanvas').width();
var bottomCanvasHeight = $('#bottomCanvas').height();
var topCanvasWidth = $('#topCanvas').width();
var topCanvasHeight = $('#topCanvas').height();
var cueCenter = [15, -4];
var cue = new Image;
cue.src = 'Content/Images/cue.PNG';
var shadowCue = new Image;
shadowCue.src = 'Content/Images/shadowCue.PNG';
var cueDistance = 0;
var cuePulling = true;
var NWCorner = {};
NWCorner.x = bottomCanvasLeft - topCanvasLeft;
NWCorner.y = bottomCanvasTop - topCanvasTop;
var targetX;
var targetY;
var cueBall;
bottomCanvas.width = bottomCanvasWidth;
bottomCanvas.height = bottomCanvasHeight;
var IE = document.all ? true : false;
jQuery(document).ready(function () {
$('#strengthBar').val(strength * 150);
// if (IE) {
$('#strengthBar').css('display', 'none');
$('#strengthBar-ie_front').css('width', strength * 150);
$('#strengthBar-ie_front').css('height', 14);
// }
if (!IE) document.addEventListener(Event.MOUSEMOVE, getMouseXY, false);
document.onmousemove = getMouseXY;
animateCurrentPlayerImage();
$('#topCanvas').click(function (e) {
var x = e.pageX - NWCorner.x - 0;
var y = e.pageY - NWCorner.y - 0;
if (x >= 0 && x <= bottomCanvasWidth &&
y >= 0 && y <= bottomCanvasHeight
) {
targetX = x;
targetY = y;
var dX = targetX - cueBall.position.x;
var dY = targetY - cueBall.position.y;
var speed = 30 * strength;
var angle = Math.atan2(dX, dY);
cueBall.velocity = new Vector2D(Math.sin(angle) * speed, Math.cos(angle) * speed);
fallenBallsProcessed = false;
started = true;
isReady = false;
if (audioShot != null) {
audioShot.volume = strength / 100.0;
audioShot.play();
}
}
});
$('#topCanvas').mousemove(function (e) {
var x = e.pageX - NWCorner.x - 0;
var y = e.pageY - NWCorner.y - 0;
if (x >= 0 && x <= bottomCanvasWidth &&
y >= 0 && y <= bottomCanvasHeight
) {
targetX = x;
targetY = y;
var dX = targetX - cueBall.position.x;
var dY = targetY - cueBall.position.y;
var angle = Math.atan2(dX, dY);
}
});
$('#strengthBar').click(function (e) {
var left = $('#strengthBar').css('margin-left').replace('px', '');
var x = e.pageX - left;
strength = (x / 150.0);
$('#strengthBar').val(strength * 100);
});
$('#strengthBar-ie').click(function (e) {
var left = $('#strengthBar-ie').css('margin-left').replace('px', '');
var x = e.pageX - left;
strength = (x / 150.0);
$('#strengthBar-ie_front').css('width', strength * 150);
$('#strengthBar-ie_front').css('height', 14);
});
})
generate();
var player1BallOnCanvas = document.getElementById('player1BallOn');
var player1BallOnContext = player1BallOnCanvas.getContext('2d');
var player2BallOnCanvas = document.getElementById('player2BallOn');
var player2BallOnContext = player2BallOnCanvas.getContext('2d');
renderBallOn();
var drawingtopCanvas = document.getElementById('topCanvas');
if (drawingtopCanvas.getContext) {
var cueContext = drawingtopCanvas.getContext('2d');
}
var drawingCanvas = document.getElementById('bottomCanvas');
if (drawingCanvas.getContext) {
var context = drawingCanvas.getContext('2d');
setInterval(render, 10);
}
function generate() {
var ballColors = new Array();
var ballLightColors = new Array();
var ballDarkColors = new Array();
ballColors.push('#ff0000');
ballColors.push('#ffff00');
ballColors.push('#00ff00');
ballColors.push('#ff8000');
ballColors.push('#0000ff');
ballColors.push('#ffc0c0');
ballColors.push('#808080');
ballColors.push('#ffffff');
ballDarkColors.push('#400000');
ballDarkColors.push('#404000');
ballDarkColors.push('#004000');
ballDarkColors.push('#402000');
ballDarkColors.push('#000040');
ballDarkColors.push('#403030');
ballDarkColors.push('#000000');
ballDarkColors.push('#404040');
ballLightColors.push('#ffffff');
ballLightColors.push('#ffffff');
ballLightColors.push('#ffffff');
ballLightColors.push('#ffffff');
ballLightColors.push('#ffffff');
ballLightColors.push('#ffffff');
ballLightColors.push('#ffffff');
ballLightColors.push('#ffffff');
for (var i = 0; i < total; i ) {
var ball = {};
var colorIndex = 0;
if (i > 14)
colorIndex = i - 14;
ball.isFixed = false;
ball.color = ballColors[colorIndex];
ball.lightColor = ballLightColors[colorIndex];
ball.darkColor = ballDarkColors[colorIndex];
ball.bounce = 0.5;
ball.velocity = new Vector2D(0, 0);
ball.size = 10;
ball.position = new Vector2D(Math.random() * bottomCanvasWidth, Math.random() * bottomCanvasHeight);
ball.pocketIndex = null;
if (i == 21)
ball.Points = 0;
else if (i < 15) {
ball.Points = 1;
}
else
ball.Points = i - 13;
ball.initPosition = new Vector2D(0, 0);
ball.Id = i;
balls[balls.length] = ball;
}
var cornerBallPositions =
[
265, 0,
313, 0,
265, 308,
313, 308,
48, -30,
-30, 48,
-30, 260,
48, 338,
525, 338,
525, -30,
605, 48,
605, 260
];
var cornerBallSizes =
[
10,
10,
10,
10,
40,
40,
40,
40,
40,
40,
40,
40
];
for (var i = 0; i < cornerBallPositions.length / 2; i ) {
var cornerBall = {}
cornerBall.isFixed = true;
cornerBall.color = ballColors[7];
cornerBall.lightColor = ballLightColors[7];
cornerBall.darkColor = ballDarkColors[7];
cornerBall.bounce = 0.5;
cornerBall.velocity = new Vector2D(0, 0);
cornerBall.size = cornerBallSizes[i];
cornerBall.position = new Vector2D(cornerBallPositions[i * 2], cornerBallPositions[i * 2 1]);
cornerBall.pocketIndex = null;
cornerBalls[cornerBalls.length] = cornerBall;
}
initBallPositions();
teams[0].BallOn = balls[0];
teams[1].BallOn = balls[0];
cueBall = balls[total - 1];
var pocket = {};
pocket.position = new Vector2D(5, 5);
pockets[pockets.length] = pocket;
pocket = {};
pocket.position = new Vector2D(288, 0);
pockets[pockets.length] = pocket;
pocket = {};
pocket.position = new Vector2D(571, 5);
pockets[pockets.length] = pocket;
pocket = {};
pocket.position = new Vector2D(5, 299);
pockets[pockets.length] = pocket;
pocket = {};
pocket.position = new Vector2D(288, 304);
pockets[pockets.length] = pocket;
pocket = {};
pocket.position = new Vector2D(571, 299);
pockets[pockets.length] = pocket;
}
function genHex() {
colors = new Array(14)
colors[0] = "0"
colors[1] = "1"
colors[2] = "2"
colors[3] = "3"
colors[4] = "4"
colors[5] = "5"
colors[5] = "6"
colors[6] = "7"
colors[7] = "8"
colors[8] = "9"
colors[9] = "a"
colors[10] = "b"
colors[11] = "c"
colors[12] = "d"
colors[13] = "e"
colors[14] = "f"
digit = new Array(5)
color = ""
for (i = 0; i < 6; i ) {
digit[i] = colors[Math.round(Math.random() * 14)]
color = color digit[i]
}
return color;
}
function render() {
var isChange = (browserX != window.screenX || browserY != window.screenY);
if (isChange) {
var diffX = browserX - window.screenX;
browserX = window.screenX;
var diffY = browserY - window.screenY;
browserY = window.screenY;
}
pocketCheck();
var j = balls.length;
while (--j > -1) {
update(balls[j]);
}
if (renderStep % 2 == 0) {
draw();
enqueuePosition(new Vector2D(cueBall.position.x, cueBall.position.y));
}
renderStep ;
if (renderStep > 1000)
renderStep = 0;
if (!fallenBallsProcessed && started) {
var speedSum = 0.0;
j = balls.length;
while (--j > -1) {
speedSum = Math.abs(balls[j].velocity.x balls[j].velocity.y);
}
if (speedSum < 0.01) {
j = balls.length;
while (--j > -1) {
balls[j].velocity = new Vector2D(0, 0);
}
processFallenBalls();
isReady = true;
}
}
if (cuePulling) {
if (lastMouseX == mouseX ||
lastMouseY == mouseY) {
cueDistance = 1;
}
else {
cuePulling = false;
getMouseXY();
}
}
else {
cueDistance -= 1;
}
if (cueDistance > 40) {
cueDistance = 40;
cuePulling = false;
}
else if (cueDistance < 0) {
cueDistance = 0;
cuePulling = true;
}
if (renderStep % 2 == 0)
{
var srotate = "rotate(" (renderStep * 10 % 360) "deg)";
$("#roofFan").css({ "-moz-transform": srotate, "-webkit-transform": srotate, msTransform: srotate });
}
}
function draw() {
context.clearRect(0, 0, bottomCanvasWidth, bottomCanvasHeight);
cueContext.clearRect(0, 0, topCanvasWidth, topCanvasHeight);
//drawing the target line
if (isReady) {
var lastPosX = cueBall.position.x;
var lastPosY = cueBall.position.y;
//drawing the cue ball tracing line
var arr = tracingQueue.getArray();
if (!cueBall.pocketIndex) {
context.strokeStyle = '#888';
context.lineWidth = 4;
context.lineCap = 'round';
context.beginPath();
context.dashedLine(cueBall.position.x, cueBall.position.y, targetX, targetY);
context.closePath();
context.stroke();
}
}
else {
//drawing the tracing line
var lastPosX = cueBall.position.x;
var lastPosY = cueBall.position.y;
var arr = tracingQueue.getArray();
if (!cueBall.pocketIndex) {
context.strokeStyle = '#363';
context.lineWidth = 8;
context.lineCap = 'round';
context.beginPath();
var i = arr.length;
while (--i > -1) {
var posX = arr[i].x;
var posY = arr[i].y;
context.dashedLine(lastPosX, lastPosY, posX, posY, [10,200,10,20]);
lastPosX = posX;
lastPosY = posY;
}
context.closePath();
context.stroke();
}
}
i = balls.length;
//drawing the shadows
while (--i > -1) {
if (balls[i].pocketIndex == null) {
if (isNaN(balls[i].position.x))
break;
var ball = balls[i];
drawBallShadow(context, ball);
}
}
i = balls.length;
//drawing the balls
while (--i > -1) {
if (balls[i].pocketIndex == null) {
if (isNaN(balls[i].position.x))
break;
var ball = balls[i];
drawBall(context, ball);
}
}
var dX = targetX - cueBall.position.x;
var dY = targetY - cueBall.position.y;
var h = Math.sqrt(dX * dX dY * dY);
var angle = -Math.atan2(dX, dY);
var shadowRotationAngle = 0;
if (h == 0) {
shadowRotationAngle = 0;
}
else if (dX == 0 && dY == 0) {
shadowRotationAngle = 0;
}
else if (dX > 0 && dY > 0) {
shadowRotationAngle = angle 0.03 * (angle);
}
else if (dX > 0 && dY < 0) {
shadowRotationAngle = angle - 0.03 * (Math.PI angle);
}
else if (dX < 0 && dY > 0) {
shadowRotationAngle = angle - 0.03 * (-angle);
}
else {
shadowRotationAngle = angle - 0.03 * (-Math.PI angle);
}
if (isReady) {
//drawing the cue
cueContext.save();
cueContext.translate(cueBall.position.x 351, cueBall.position.y 145);
cueContext.rotate(shadowRotationAngle - Math.PI / 2);
cueContext.drawImage(shadowCue, cueCenter[0] cueDistance, cueCenter[1]);
cueContext.restore();
cueContext.save();
cueContext.translate(cueBall.position.x 351, cueBall.position.y 140);
cueContext.rotate(angle - Math.PI / 2);
cueContext.drawImage(cue, cueCenter[0] cueDistance, cueCenter[1]);
cueContext.restore();
}
var ballOn1 = teams[playingTeamID - 1].ballOn;
if (ballOn1 != null) {
var newPos = new Vector2D(0, 0);
drawBall(context, ballOn1, newPos);
}
}
function drawEllipse(context, centerX, centerY, width, height, lightColor, darkColor) {
context.beginPath();
context.moveTo(centerX, centerY - height / 2); // A1
context.bezierCurveTo(
centerX width / 2, centerY - height / 2, // C1
centerX width / 2, centerY height / 2, // C2
centerX, centerY height / 2); // A2
context.bezierCurveTo(
centerX - width / 2, centerY height / 2, // C3
centerX - width / 2, centerY - height / 2, // C4
centerX, centerY - height / 2); // A1
var gradient = context.createRadialGradient(
centerX - width / 2,
centerY - height / 2,
0,
centerX - width / 2,
centerY - height / 2,
width
);
gradient.addColorStop(0, lightColor);
gradient.addColorStop(1, darkColor);
context.fillStyle = gradient;
context.fill();
context.closePath();
}
function update(ball) {
if (ball.pocketIndex != null)
return;
collisionCheck();
var gravity = 0;
var drag = 0.98;
ball.position.x = ball.velocity.x;
ball.position.y = ball.velocity.y;
if (
(ball.position.y - ball.size) < 12 &&
ball.position.x >= 40 && ball.position.x <= 265
) {
ball.position.y = 12 ball.size;
ball.velocity.y = -ball.velocity.y * ball.bounce;
}
else if (
(ball.position.y - ball.size) < 12 &&
ball.position.x >= 313 && ball.position.x <= 533
) {
ball.position.y = 12 ball.size;
ball.velocity.y = -ball.velocity.y * ball.bounce;
}
if ((ball.position.y ball.size) > (bottomCanvasHeight - 12) &&
ball.position.x >= 40 && ball.position.x <= 265) {
ball.position.y = (bottomCanvasHeight - 12) - ball.size;
ball.velocity.y = -ball.velocity.y * ball.bounce;
}
else if ((ball.position.y ball.size) > (bottomCanvasHeight - 12) &&
ball.position.x >= 313 && ball.position.x <= 533) {
ball.position.y = (bottomCanvasHeight - 12) - ball.size;
ball.velocity.y = -ball.velocity.y * ball.bounce;
}
if ((ball.position.x - ball.size) < 11 &&
ball.position.y >= 45 && ball.position.y <= 268) {
ball.position.x = 11 ball.size;
ball.velocity.x = -ball.velocity.x * ball.bounce;
}
else if ((ball.position.x - ball.size) > 555 &&
ball.position.y >= 45 && ball.position.y <= 268) {
ball.position.x = 565 - ball.size;
ball.velocity.x = -ball.velocity.x * ball.bounce;
}
if ((ball.position.x ball.size) > bottomCanvasWidth) {
ball.position.x = bottomCanvasWidth - ball.size;
ball.velocity.x = -ball.velocity.x * ball.bounce;
}
else if ((ball.position.x - ball.size) < 0) {
ball.position.x = 0 ball.size;
ball.velocity.x = -ball.velocity.x * ball.bounce;
}
if ((ball.position.y ball.size) > bottomCanvasHeight) {
ball.position.y = bottomCanvasHeight - ball.size;
ball.velocity.y = -ball.velocity.y * ball.bounce;
}
else if ((ball.position.y - ball.size) < 0) {
ball.position.y = 0 ball.size;
ball.velocity.y = -ball.velocity.y * ball.bounce;
}
ball.velocity.x = ball.velocity.x * drag;
ball.velocity.y = ball.velocity.y * drag gravity;
}
function pocketCheck() {
for (var ballIndex = 0; ballIndex < balls.length; ballIndex ) {
var ball = balls[ballIndex];
for (var pocketIndex = 0; pocketIndex < pockets.length; pocketIndex ) {
var pocket = pockets[pocketIndex];
var xd = (pocket.position.x - ball.position.x);
var yd = (pocket.position.y - ball.position.y);
var sumRadius = ((ball.size / 2) * 3.5);
var sqrRadius = sumRadius * sumRadius;
var distSqr = (xd * xd) (yd * yd);
if (Math.round(distSqr) < Math.round(sqrRadius)) {
if (ball.pocketIndex == null) {
ball.velocity = new Vector2D(0, 0);
ball.position.x = 100;
ball.position.y = 100;
ball.pocketIndex = pocketIndex;
pottedBalls[pottedBalls.length] = ball;
if (audioFall != null) {
audioFall.play();
}
}
else {
alert('!!!');
}
}
}
}
}
function collisionCheck() {
var collided = false;
var spring = 1.0;
for (var i = 0; i < (total); i) {
var ball0 = balls[i];
for (var k = 0; k < (cornerBalls.length); k ) {
var cornerBall = cornerBalls[k];
while (true) {
var someCollision = isColliding(cornerBall, ball0);
if (someCollision) {
resolveCollision(cornerBall, ball0);
}
else
break;
}
}
for (var j = i 1; j < total; j) {
var ball1 = balls[j];
while (true) {
var someCollision = isColliding(ball0, ball1);
if (someCollision)
resolveCollision(ball0, ball1);
else
break;
}
}
}
return collided;
}
function isColliding(ball1, ball2) {
if (ball1.pocketIndex == null && ball2.pocketIndex == null) {
var xd = (ball1.position.x - ball2.position.x);
var yd = (ball1.position.y - ball2.position.y);
var sumRadius = ball1.size ball2.size;
var sqrRadius = sumRadius * sumRadius;
var distSqr = (xd * xd) (yd * yd);
if (Math.round(distSqr) <= Math.round(sqrRadius)) {
if (ball1.Points == 0) {
strokenBalls[strokenBalls.length] = ball2;
}
else if (ball2.Points == 0) {
strokenBalls[strokenBalls.length] = ball1;
}
return true;
}
}
return false;
}
function resolveCollision(ball1, ball2) {
// get the mtd (minimum translation distance)
var delta = ball1.position.subtract(ball2.position);
var r = ball1.size ball2.size;
var dist2 = delta.dot(delta);
var d = delta.length();
var mtd = delta.multiply(((ball1.size ball2.size 0.1) - d) / d);
// resolve intersection --
// inverse mass quantities
var mass = 0.5;
var im1 = 1.0 / mass;
var im2 = 1.0 / mass;
// push-pull them apart based off their mass
if (!ball1.isFixed)
ball1.position = ball1.position.add((mtd.multiply(im1 / (im1 im2))));
if (!ball2.isFixed)
ball2.position = ball2.position.subtract(mtd.multiply(im2 / (im1 im2)));
// impact speed
var v = ball1.velocity.subtract(ball2.velocity);
var vn = v.dot(mtd.normalize());
// sphere intersecting but moving away from each other already
// if (vn > 0)
// return;
// collision impulse
var i = (-(0.0 0.08) * vn) / (im1 im2);
var impulse = mtd.multiply(0.5);
var totalImpulse = Math.abs(impulse.x) Math.abs(impulse.y);
var audioHit;
var volume = 1.0;
if (totalImpulse > 5) {
audioHit = audioHit06;
volume = totalImpulse / 60.0;
}
else if (totalImpulse > 4) {
audioHit = audioHit05;
volume = totalImpulse / 12.0;
}
else if (totalImpulse > 3) {
audioHit = audioHit04;
volume = totalImpulse / 8.0;
}
else if (totalImpulse > 2) {
audioHit = audioHit03;
volume = totalImpulse / 5.0;
}
else {
audioHit = audioHit02;
volume = totalImpulse / 5.0;
}
if (audioHit != null) {
if (volume > 1)
volume = 1.0;
if (audioHit != null) {
audioHit.volume = volume;
audioHit.play();
}
}
// change in momentum
if (!ball1.isFixed)
ball1.velocity = ball1.velocity.add(impulse.multiply(im1));
if (!ball2.isFixed)
ball2.velocity = ball2.velocity.subtract(impulse.multiply(im2));
}
function resolveCornerCollision(cornerBall, ball) {
var cornerPosition = new Vector2D(cornerBall.position.x, cornerBall.position.y);
var ballPosition = new Vector2D(ball.position.x, ball.position.y);
// get the mtd
var delta = new Vector2D(cornerBall.position.x - ball.position.x, cornerBall.position.y - ball.position.y);
var d = delta.length();
// minimum translation distance to push balls apart after intersecting
var mtd = delta.multiply((cornerBall.size 1.0 ball.size 1.0 - d) / d);
// resolve intersection --
// inverse mass quantities
var im1 = 1.0;
var im2 = 1.0;
// push-pull them apart based off their mass
// cornerPosition = cornerPosition.add(mtd.multiply(im1 / (im1 im2)));
ballPosition = ballPosition.subtract(mtd.multiply(im2 / (im1 im2)));
// impact speed
var v = new Vector2D(cornerBall.velocity.x - ball.velocity.x, cornerBall.velocity.y - ball.velocity.y);
var mtdNormalize = new Vector2D(mtd.x, mtd.y);
mtdNormalize.normalize();
var vn = v.dot(mtdNormalize);
// sphere intersecting but moving away from each other already
if (vn > 0.0)
return;
var impulse = mtd; // * (1.0);
ball.velocity.x = 0;
ball.velocity.y = 0;
ball.position.x = ballPosition.x;
ball.position.y = ballPosition.y;
}
function getMouseXY(e) {
lastMouseX = mouseX;
lastMouseY = mouseY;
// if (IE) {
// mouseX = event.clientX document.body.scrollLeft
// mouseY = event.clientY document.body.scrollTop
// }
// else {
if (e != null) {
mouseX = e.pageX;
mouseY = e.pageY;
}
// }
if (mouseX < 0) { mouseX = 0; }
if (mouseY < 0) { mouseY = 0; }
return true;
}
function initBallPositions() {
var firstRedX = 190;
var firstRedY = 150;
var redDistance = 12;
balls[0].position = new Vector2D(firstRedX, firstRedY);
balls[1].position = new Vector2D(firstRedX - redDistance * 1.5, firstRedY - redDistance * 1);
balls[2].position = new Vector2D(firstRedX - redDistance * 1.5, firstRedY redDistance * 1);
balls[3].position = new Vector2D(firstRedX - redDistance * 3, firstRedY - redDistance * 2);
balls[4].position = new Vector2D(firstRedX - redDistance * 3, firstRedY redDistance * 0);
balls[5].position = new Vector2D(firstRedX - redDistance * 3, firstRedY redDistance * 2);
balls[6].position = new Vector2D(firstRedX - redDistance * 4.5, firstRedY - redDistance * 3);
balls[7].position = new Vector2D(firstRedX - redDistance * 4.5, firstRedY redDistance * 1);
balls[8].position = new Vector2D(firstRedX - redDistance * 4.5, firstRedY - redDistance * 1);
balls[9].position = new Vector2D(firstRedX - redDistance * 4.5, firstRedY redDistance * 3);
balls[10].position = new Vector2D(firstRedX - redDistance * 6, firstRedY - redDistance * 4);
balls[11].position = new Vector2D(firstRedX - redDistance * 6, firstRedY - redDistance * 2);
balls[12].position = new Vector2D(firstRedX - redDistance * 6, firstRedY redDistance * 0);
balls[13].position = new Vector2D(firstRedX - redDistance * 6, firstRedY redDistance * 2);
balls[14].position = new Vector2D(firstRedX - redDistance * 6, firstRedY redDistance * 4);
balls[20].position = new Vector2D(40, 150);
balls[19].position = new Vector2D(230, 150);
balls[18].position = new Vector2D(288, 150);
balls[15].position = new Vector2D(468, 90);
balls[17].position = new Vector2D(468, 150);
balls[16].position = new Vector2D(468, 210);
// balls[total - 1].position = new Vector2D(468, 50);
balls[total - 1].position = new Vector2D(490 Math.random() * 20, 90 Math.random() * 120);
for (var i = 0; i < balls.length; i ) {
var ball = balls[i];
ball.initPosition = new Vector2D(ball.position.x, ball.position.y);
}
}
function checkPockets() {
if (cueBall.pocketIndex != null) {
cueBall.pocketIndex = null;
cueBall.position.x = 495 Math.random() * 20;
cueBall.position.y = 90 Math.random() * 120;
cueBall.velocity.x = 0;
cueBall.velocity.y = 0;
}
}
function processFallenBalls() {
consoleLog('function processFallenBalls()');
$('#gameEvents').append('<br/>Begin shot: Player ' playingTeamID);
fallenBallsProcessed = true;
teams[0].FoulList = [];
teams[1].FoulList = [];
var redCount = 0;
var fallenRedCount = 0;
var wonPoints = 0;
var lostPoints = 0;
var someInTable = false;
for (var i = 0; i < balls.length; i ) {
var ball = balls[i];
if (ball.pocketIndex != null) {
if (ball.Points > 0)
someInTable = true;
}
if (ball.Points == 1) {
redCount ;
}
}
$('#gameEvents').append('<br/>Potted balls count: ' pottedBalls.length);
for (var i = 0; i < balls.length; i ) {
var ball = balls[i];
if (ball.Points == 1 && ball.pocketIndex != null) {
fallenRedCount ;
}
}
consoleLog('1052');
for (var i = 0; i < pottedBalls.length; i ) {
var ball = pottedBalls[i];
if (ball.Points == 0) {
cueBall.position.x = 470 Math.random() * 20;
cueBall.position.y = 90 Math.random() * 120;
ball.pocketIndex = null;
}
else if (ball.Points > 1) {
if (fallenRedCount < redCount || teams[playingTeamID - 1].BallOn.Points != ball.Points) {
for (var points = ball.Points; points > 1; points--) {
var candidateBall = GetCandidateBall(ball, points);
if (candidateBall != null) {
ball.position = new Vector2D(candidateBall.initPosition.x, candidateBall.initPosition.y);
ball.velocity.x = 0;
ball.velocity.y = 0;
ball.pocketIndex = null;
break;
}
}
}
}
}
if (teams[playingTeamID - 1].BallOn == null) {
teams[playingTeamID - 1].BallOn = balls[0];
renderBallOn();
}
consoleLog('1083');
var strokenBallsCount = 0;
consoleLog('strokenBalls.length: ' strokenBalls.length);
for (var i = 0; i < strokenBalls.length; i ) {
var ball = strokenBalls[i];
//causing the cue ball to first hit a ball other than the ball on
if (strokenBallsCount == 0) {
if (ball.Points != teams[playingTeamID - 1].BallOn.Points) {
if (ball.Points == 1 || teams[playingTeamID - 1].BallOn.Points == 1 || fallenRedCount == redCount) {
if (teams[playingTeamID - 1].BallOn.Points < 4) {
teams[playingTeamID - 1].FoulList[teams[playingTeamID - 1].FoulList.length] = 4;
$('#gameEvents').append('<br/>Foul 4 points : Expected ' teams[playingTeamID - 1].BallOn.Points ', but hit ' ball.Points);
}
else {
teams[playingTeamID - 1].FoulList[teams[playingTeamID - 1].FoulList.length] = teams[playingTeamID - 1].BallOn.Points;
$('#gameEvents').append('<br/>Foul ' teams[playingTeamID - 1].BallOn.Points ' points : Expected ' teams[playingTeamID - 1].BallOn.Points ', but hit ' ball.Points);
}
break;
}
}
}
strokenBallsCount ;
}
consoleLog('1111');
//Foul: causing the cue ball to miss all object balls
if (strokenBallsCount == 0) {
teams[playingTeamID - 1].FoulList[teams[playingTeamID - 1].FoulList.length] = 4;
$('#gameEvents').append('<br/>Foul 4 points : causing the cue ball to miss all object balls');
}
consoleLog('1118');
for (var i = 0; i < pottedBalls.length; i ) {
var ball = pottedBalls[i];
//causing the cue ball to enter a pocket
if (ball.Points == 0) {
teams[playingTeamID - 1].FoulList[teams[playingTeamID - 1].FoulList.length] = 4;
$('#gameEvents').append('<br/>Foul 4 points : causing the cue ball to enter a pocket');
}
else {
//causing a ball different than the target ball to enter a pocket
if (ball.Points != teams[playingTeamID - 1].BallOn.Points) {
if (ball.Points == 1 || teams[playingTeamID - 1].BallOn.Points == 1 || fallenRedCount == redCount) {
if (teams[playingTeamID - 1].BallOn.Points < 4) {
teams[playingTeamID - 1].FoulList[teams[playingTeamID - 1].FoulList.length] = 4;
$('#gameEvents').append('<br/>Foul 4 points : ' ball.Points ' was potted, while ' teams[playingTeamID - 1].BallOn.Points ' was expected');
$('#gameEvents').append('<br/>ball.Points: ' ball.Points);
$('#gameEvents').append('<br/>teams[playingTeamID - 1].BallOn.Points: ' teams[playingTeamID - 1].BallOn.Points);
$('#gameEvents').append('<br/>fallenRedCount: ' fallenRedCount);
$('#gameEvents').append('<br/>redCount: ' redCount);
}
else {
teams[playingTeamID - 1].FoulList[teams[playingTeamID - 1].FoulList.length] = teams[playingTeamID - 1].BallOn.Points;
$('#gameEvents').append('<br/>Foul ' teams[playingTeamID - 1].BallOn.Points ' points : ' ball.Points ' was potted, while ' teams[playingTeamID - 1].BallOn.Points ' was expected');
}
}
}
}
}
consoleLog('1149');
if (teams[playingTeamID - 1].FoulList.length == 0) {
for (var i = 0; i < pottedBalls.length; i ) {
var ball = pottedBalls[i];
//legally potting reds or colors
wonPoints = ball.Points;
$('#gameEvents').append('<br/> Potted ' ball.Points ' points.');
}
}
else {
teams[playingTeamID - 1].FoulList.sort();
lostPoints = teams[playingTeamID - 1].FoulList[teams[playingTeamID - 1].FoulList.length - 1];
$('#gameEvents').append('<br/> Lost ' lostPoints ' points.');
}
teams[playingTeamID - 1].Points = wonPoints;
teams[awaitingTeamID - 1].Points = lostPoints;
consoleLog('1169');
$('#log').html(
'playingTeamID: ' playingTeamID '<br/>'
'ball on points: ' teams[playingTeamID - 1].BallOn.Points '<br/>'
'redCount: ' redCount '<br/>'
'strokenBallsCount: ' strokenBallsCount '<br/>'
'fallenRedCount: ' fallenRedCount '<br/>'
'wonPoints: ' wonPoints '<br/>'
'lostPoints: ' lostPoints '<br/>'
'someInTable: ' someInTable '<br/>'
'pottedBalls: ' pottedBalls.length '<br/>'
'Team 1 Points: ' teams[0].Points '<br/>'
'Team 2 Points: ' teams[1].Points
);
$('#gameEvents').append('<br/> wonPoints: ' wonPoints ', lostPoints: ' lostPoints);
$('#gameEvents').append('<br/>End shot: Player ' playingTeamID);
consoleLog('1188');
var swappedPlayers = false;
//check if it's other player's turn
if ((wonPoints == 0 || lostPoints > 0))// && currentGameState != GameState.TestShot)
{
swappedPlayers = true;
teams[playingTeamID - 1].BallOn = null;
renderBallOn();
if (playingTeamID == 1)
playingTeamID = 2;
else
playingTeamID = 1;
if (awaitingTeamID == 1)
awaitingTeamID = 2;
else
awaitingTeamID = 1;
}
teams[playingTeamID - 1].BallOn = GetNextBallOn(swappedPlayers, teams[playingTeamID - 1].BallOn);
renderBallOn();
consoleLog('1213');
checkPockets();
strokenBalls = [];
pottedBalls = [];
if (teams[0].BallOn == null)
$('#player1Name').html('PLAYER 1');
else
$('#player1Name').html('PLAYER 1');
if (teams[1].BallOn == null)
$('#player2Name').html('PLAYER 2');
else
$('#player2Name').html('PLAYER 2');
$('#player1Score').html(teams[0].Points);
$('#player2Score').html(teams[1].Points);
if (playingTeamID == 1) {
$('#player1Name').css('color', '#ffffff');
$('#player2Name').css('color', '#808080');
} else {
$('#player1Name').css('color', '#808080');
$('#player2Name').css('color', '#ffffff');
}
animateCurrentPlayerImage();
consoleLog('1241');
}
function GetCandidateBall(ball, points) {
var candidateBall = null;
var fallenBall = ball;
while (candidateBall == null) {
for (var i = 0; i < balls.length; i ) {
var b = balls[i];
if (b.Points == points) // && b.IsBallInPocket)
{
candidateBall = b;
}
}
if (candidateBall != null) {
for (var j = 0; j < balls.length; j ) {
var collisionBall = balls[j];
if (collisionBall.pocketIndex == null) {
if (collisionBall.Id != candidateBall.Id) {
var xd = (candidateBall.initPosition.x - collisionBall.position.x);
var yd = (candidateBall.initPosition.y - collisionBall.position.y);
var sumRadius = (ball.size * 0.5);
var sqrRadius = sumRadius * sumRadius;
var distSqr = (xd * xd) (yd * yd);
if (Math.round(distSqr) < Math.round(sqrRadius)) {
candidateBall = null;
points--;
break;
}
}
}
}
}
}
return candidateBall;
}
function GetNextBallOn(swappedPlayers, lastBallOn) {
var nextBallOn = null;
if (swappedPlayers) {
if (teams[playingTeamID - 1].BallOn == null) {
nextBallOn = GetRandomRedBall();
}
else if (teams[playingTeamID - 1].JustSwapped) {
nextBallOn = GetRandomRedBall();
}
else if (teams[playingTeamID - 1].BallOn.Points == 1) {
nextBallOn = GetRandomRedBall();
}
if (nextBallOn == null) {
nextBallOn = GetMinColouredball();
}
}
else {
if (lastBallOn.Points == 1) {
nextBallOn = GetMinColouredball();
}
else {
nextBallOn = GetRandomRedBall();
if (nextBallOn == null) {
nextBallOn = GetMinColouredball();
}
}
if (nextBallOn == null) {
nextBallOn = GetRandomRedBall();
}
}
return nextBallOn;
}
function GetRandomRedBall() {
var redBallOn = null;
var validRedBalls = [];
for (var i = 0; i < balls.length; i ) {
var ball = balls[i];
if (ball.Points == 1 && ball.pocketIndex == null) {
validRedBalls[validRedBalls.length] = i;
}
}
var redCount = validRedBalls.length;
if (redCount > 0) {
var index = Math.random() * redCount;
index = Math.floor(index);
redBallOn = balls[validRedBalls[index]];
}
return redBallOn;
}
function GetMinColouredball() {
var minColouredball = null;
var minPoints = 8;
for (var i = 0; i < balls.length; i ) {
var ball = balls[i];
if (ball.Points > 1 && ball.Points < minPoints && ball.pocketIndex == null) {
minColouredball = ball;
minPoints = minColouredball.Points;
}
}
return minColouredball;
}
function animateCurrentPlayerImage() {
var otherPlayerImageId = 0;
if (playingTeamID == 1)
otherPlayerImageId = 'player2Image';
else
otherPlayerImageId = 'player1Image';
var playerImageId = 'player' playingTeamID 'Image';
$('#' playerImageId).animate({
opacity: 1.0
}, 500, function () {
$('#' playerImageId).animate({
opacity: 0.0
}, 500, function () {
$('#' playerImageId).animate({
opacity: 1.0
}, 500, function () {
});
});
});
$('#' otherPlayerImageId).animate({
opacity: 0.25
}, 1500, function () {
});
}
function drawBall(context, ball, newPosition, newSize) {
var position = ball.position;
var size = ball.size;
if (newPosition != null)
position = newPosition;
if (newSize != null)
size = newSize;
//main circle
context.beginPath();
context.fillStyle = ball.color;
context.arc(position.x, position.y, size, 0, Math.PI * 2, true);
var gradient = context.createRadialGradient(
position.x - size / 2,
position.y - size / 2,
0,
position.x,
position.y,
size
);
//bright spot
gradient.addColorStop(0, ball.color);
gradient.addColorStop(1, ball.darkColor);
context.fillStyle = gradient;
context.fill();
context.closePath();
context.beginPath();
context.arc(position.x, position.y, size * 0.85, (Math.PI / 180) * 270, (Math.PI / 180) * 200, true);
context.lineTo(ball.x, ball.y);
var gradient = context.createRadialGradient(
position.x - size * .5,
position.y - size * .5,
0,
position.x,
position.y,
size
);
gradient.addColorStop(0, ball.lightColor);
gradient.addColorStop(0.5, 'transparent');
context.fillStyle = gradient;
context.fill();
}
function drawBallShadow(context, ball) {
//main circle
context.beginPath();
context.arc(ball.position.x ball.size * .25, ball.position.y ball.size * .25, ball.size * 2, 0, Math.PI * 2, true);
try {
var gradient = context.createRadialGradient(
ball.position.x ball.size * .25,
ball.position.y ball.size * .25,
0,
ball.position.x ball.size * .25,
ball.position.y ball.size * .25,
ball.size * 1.5
);
}
catch (err) {
alert(err);
alert(ball.position.x ',' ball.position.y);
}
gradient.addColorStop(0, '#000000');
gradient.addColorStop(1, 'transparent');
context.fillStyle = gradient;
context.fill();
context.closePath();
}
function renderBallOn() {
player1BallOnContext.clearRect(0, 0, 500, 500);
player2BallOnContext.clearRect(0, 0, 500, 500);
if (playingTeamID == 1) {
if (teams[0].BallOn != null)
drawBall(player1BallOnContext, teams[0].BallOn, new Vector2D(30, 120), 20);
}
else {
if (teams[1].BallOn != null)
drawBall(player2BallOnContext, teams[1].BallOn, new Vector2D(30, 120), 20);
player1BallOnContext.clearRect(0, 0, 133, 70);
}
}
function consoleLog(message) {
$('#gameEvents').append(message);
}
function enqueuePosition(position) {
tracingQueue.enqueue(position);
var len = tracingQueue.getLength();
if (len > 20) {
tracingQueue.dequeue();
}
}
</script>
</audio></audio></audio></audio></audio></audio></audio></audio></body></html>
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