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261 lines
4.7 KiB
261 lines
4.7 KiB
11 years ago
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<!DOCTYPE HTML>
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<html>
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<head>
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<meta charset="utf-8">
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<title>Lores: Maze Generator - Ondrovo.com</title>
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<script src="jquery-1.10.1.min.js"></script>
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<script src="jquery-migrate-1.2.1.min.js"></script>
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<script src="lores.js"></script>
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<style>
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html,body{margin: 0; padding: 0; background: #000;}
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#display {
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margin: 20px auto;
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width: 640px;
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height: 640px;
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box-shadow: 0px 0px 5px 4px cyan;
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position: relative;
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}
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.legend {
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margin: 20px auto;
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width: 1020px;
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color: cyan;
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font-family: monospace;
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text-align: center;
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}
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#legend a {
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color: cyan;
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}
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</style>
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<script>
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var disp;
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var keys;
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var anim;
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var abortNextClick = false;
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var dispmap;
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var ROWS = 128;
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var COLS = 128;
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var FPS = 10;
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var liveCells = [];
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$(document).ready(function(){
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buildDisplay();
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});
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function buildDisplay() {
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Lores.buildCheckerBackground('#display', COLS, ROWS, "#000", "#111");
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disp = new LoresDisplay(
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$('#display'),
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{
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cols: COLS,
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rows: ROWS,
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colors: {
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0: "#000",
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1: "#fff",
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},
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bg: -1,
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}
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);
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dispmap = disp.getMap(0); // fill with zeros
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disp.addColorRule(0, -1); // draw 0 as transparency
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keys = new LoresKeyboard();
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keys.setDownHandler( [LKey.ESC, LKey.X], function() {
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dispmap.erase(true);
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anim.pause();
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liveCells.length = 0;
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});
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keys.setDownHandler( [LKey.SPACE, LKey.R], function() {
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anim.toggle();
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});
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keys.setDownHandler( [LKey.ENTER, LKey.S], function() {
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genStep();
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});
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keys.setDownHandler( LKey.NUMBERS, function(which) {
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switch(which) {
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case LKey.NUM_1: anim.setFps(1); break;
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case LKey.NUM_2: anim.setFps(2); break;
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case LKey.NUM_3: anim.setFps(4); break;
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case LKey.NUM_4: anim.setFps(6); break;
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case LKey.NUM_5: anim.setFps(8); break;
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case LKey.NUM_6: anim.setFps(12); break;
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case LKey.NUM_7: anim.setFps(16); break;
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case LKey.NUM_8: anim.setFps(24); break;
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case LKey.NUM_9: anim.setFps(32); break;
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}
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});
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disp.setClickHandler(function(pos, display) {
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if(abortNextClick) {
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abortNextClick = false;
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return;
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}
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var p = dispmap.getPixel(pos.x,pos.y);
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if(p==0) {
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dispmap.setPixel(pos.x, pos.y, 1);
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liveCells.push([pos.x, pos.y]);
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}
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});
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anim = new LoresAnimator({
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frame: genStep,
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fps: FPS,
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});
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anim.start();
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anim.pause();
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}
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var sides = [
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[-1,-1],
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[0,-1],
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[1,-1],
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[-1,0],
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[1,0],
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[-1,1],
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[0,1],
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[1,1],
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];
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var sidesDirect = [
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[-1,-1],
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[-1,1],
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[1,-1],
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[1,1],
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];
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function genStep() {
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var w = dispmap.getWidth();
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var h = dispmap.getHeight();
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Lores.shuffleArray(liveCells);
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for(var i = Math.floor( (0.3+Math.random()*0.7)*(liveCells.length-1) ); i>=0; i--) {
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if(Math.floor(Math.random()*10)==0) {
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//liveCells.splice(i, 1);
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continue;
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}
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var cell = liveCells[i];
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var x = cell[0];
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var y = cell[1];
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Lores.shuffleArray(sides);
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for(var q=0; q<sides.length; q++) {
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var dx = sides[q][0];
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var dy = sides[q][1];
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if(dx == 0 && dy == 0) continue; // skip itself
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if(dx != 0 && dy != 0) continue;
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var xx = x+dx;
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var yy = y+dy;
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if(xx==-1 || xx==w) continue;
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if(yy==-1 || yy==h) continue;
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if( dispmap.map[yy][xx] == 1 ) continue;
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var badNeighbors = 0;
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for(var ex = -1; ex <= 1; ex++) {
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for(var ey = -1; ey <= 1; ey++) {
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if(ex == 0 && ey == 0) continue; // skip itself
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var exx = x+dx+ex;
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var eyy = y+dy+ey;
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if(exx==-1 || exx==w) continue;
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if(eyy==-1 || eyy==h) continue;
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if( dispmap.map[eyy][exx] == 1 ) {
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//decide if it's a problem
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if(dx == -1 && ex == 1) continue; // ok
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if(dx == 1 && ex == -1) continue; // ok
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if(dy == -1 && ey == 1) continue; // ok
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if(dy == 1 && ey == -1) continue; // ok
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badNeighbors++;
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}
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}
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}
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if(badNeighbors==0) {
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liveCells.push([xx,yy]);
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dispmap.setPixel(xx, yy, 1);
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}
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}
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liveCells.splice(i, 1);
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if(Math.floor(Math.random()*10)==0) {
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var ok = false;
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for(var r=0; r<sidesDirect.length; r++) {
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var rx = x+sidesDirect[r][0];
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var ry = y+sidesDirect[r][1];
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if(rx==-1 || rx==w) continue;
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if(ry==-1 || ry==h) continue;
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if( dispmap.map[ry][rx] == 1 ) {
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ok = true;
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break;
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}
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}
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if(ok) dispmap.setPixel(x, y, 0);
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}
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}
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}
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</script>
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</head>
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<body>
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<div class="legend">
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Click to set maze start point(s). Press SPACE to run. Adjust speed with number keys.
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</div>
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<div id="display">
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</div>
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<div class="legend">
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Erase with ESC | Run one step with ENTER | <a href="/">→ Ondrovo.com</a>
|
||
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</div>
|
||
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|
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<body>
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</html>
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