//This file and its algorithms copyright (C) 2007 DragonLord Enterprises, Inc. DBA Sequoia Consulting. //All rights reserved. //Copying, distribution, or substantially similar derivative works //strictly prohibited without prior license. //(818) 810-6671 //Feb 06 '09 IE requires local variables to explicitly have a var in front. // Also can't say Obj.class = "House". // IE does not honor setattribute = "STYLE", have to do things the long way. // And this means... // can't do this: //Houses[i].mytitlediv.setAttribute("STYLE", // // "position: absolute; top: 20px; z-index: 10; width: 120px; text-align: center; "); // must do this:/ //Houses[i].mytitlediv.style.background = "#EEEEFF"; // Houses[i].mytitlediv.style.position = "absolute"; // Houses[i].mytitlediv.style.top = "20px"; // Houses[i].mytitlediv.style.left = "2px"; // Houses[i].mytitlediv.style.zIndex = 10; // Houses[i].mytitlediv.style.width = "120px"; // Houses[i].mytitlediv.style.textAlign = "center"; //Houses[i].class = "House"; //IE did not like this line, does not like assigning class. //Feb 07 '09 Under IE, appendChild violently breaks the page load when called from JS inside a table, it seems. // JS MUST be loaded at the end of the file, not in the middle of a table. //Feb 07 '09 setInterval of 0 heartbeat broken under IE, freezes. var isIE = 0; //Feb 06 '09 ///////////////////////////////////////////////////////////////////// function getInternetExplorerVersion() // Returns the version of Internet Explorer or a 0 (was -1) // (indicating the use of another browser). { var rv = 0; //-1; // Return value assumes failure. WAS -1 if (navigator.appName == 'Microsoft Internet Explorer') { var ua = navigator.userAgent; var re = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})"); if (re.exec(ua) != null) rv = parseFloat( RegExp.$1 ); } return rv; } //function checkVersion() //{ // var msg = "You're not using Internet Explorer."; // var ver = getInternetExplorerVersion(); // // if ( ver > -1 ) var arena = document.getElementById("arena"); var arena2 = document.getElementById("arena2"); var ball = new Image(); ball.src = "../images/balls/100red.gif"; var ball2 = new Image(); ball2.src = "../images/balls/100blue.gif"; //arena.appendChild(ball); //arena2.appendChild(ball2); var dispbuf = arena; var drawbuf = arena2; function bufferswap () { dispbuf.parentNode.replaceChild(drawbuf, dispbuf); var temp = dispbuf; dispbuf = drawbuf; drawbuf = temp; dispbuf.style.height = 360; // for(var i=0; i i) ? (cutoff-i) * 10 : 0 ); var dist2 = dist1 + 30 ; ball.x = -cos * dist2; ball2.x = -cos * dist1; ball3.x = cos * dist1; ball4.x = cos * dist2; ball.z = -sin * dist2; ball2.z = -sin * dist1; ball3.z = sin * dist1; ball4.z = sin * dist2; // ball.x += ball.y; ball2.x += ball2.y; ball3.x += ball3.y; ball4.x += ball4.y; angle = (i + 0.5) * 30 + phase; sin = Math.sin( angle * deg_to_rad ); cos = Math.cos( angle * deg_to_rad ); dist1 = 15 + ((cutoff > i+0.5) ? (-i-0.5 + cutoff) * 10 : 0 ); var dist2 = dist1 + 30; ball5.x = -cos * dist2; ball6.x = cos * dist2; ball5.z = -sin * dist2; ball6.z = sin * dist2; // ball5.x += bally5.y; ball6.x += ball6.y; } } //zIndex is not working for some reason. //So we need to roll our own. // Zdist is distance from camera. // We therefore sort our tiles back to front, 0 to count-1. // Tile # -1 is at +infinity, and is a "property", not an array element. // O(n) if balls are already in order. function zsortballs() { var i, j, tempball, tempz; return; for(j=1; j