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calculator/js/background2.js

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JavaScript
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2014-11-12 21:41:38 -05:00
var main;
function start(){
var c=document.getElementById("screen");
var screen = new Screen("100%","585",c);
main = new backgrounds(screen);
if(Math.random()>.7)
main.addScene(15000, new lighting());
if(Math.random()>.6)
main.addScene(15000, new nodes());
if(Math.random()>.6)
main.addScene(15000, new islands());
main.addScene(15000, new terrain());
if(Math.random()>.2)
main.addScene(15000, new title());
if(Math.random()>.2)
main.addScene(15000, new lighting());
if(Math.random()>.2)
main.addScene(15000, new nodes());
if(Math.random()>.2)
main.addScene(15000, new islands());
if(Math.random()>.2)
main.addScene(15000, new title());
main.addScene(15000, new lighting());
//main.addScene(15000, new classic());
main.start();
}
function Screen(WIDTH, HEIGHT, CANVAS){
var isPercentWidth = (WIDTH+"").indexOf('%') === -1 ? false : true;
var isPercentHeight = (HEIGHT+"").indexOf('%') === -1 ? false : true;
var percentWidth = parseInt(WIDTH);
var percentHeight = parseInt(HEIGHT);
var width = parseInt(WIDTH);
var height = parseInt(HEIGHT);
var c = CANVAS;
var ctx = c.getContext("2d");
if(isPercentWidth || isPercentHeight)
window.addEventListener('resize', resizeCanvas, false);
resizeCanvas();
function resizeCanvas() {
if(window.innerWidth<767)
height = 0;
else if(window.innerWidth<992)
height = 445;
else if(window.innerWidth<1199)
height = 505;
else
height = 595;
if(isPercentWidth){
ctx.width = parseInt(window.innerWidth*(percentWidth/100.0));
width = ctx.width;
c.width = ctx.width;
}
else{
ctx.width = width;
c.width = width;
}
if(isPercentHeight){
ctx.height = parseInt(window.innerHeight*(percentHeight/100.0));
height = ctx.height;
c.height = ctx.height;
}
else{
ctx.height = height;
c.height =height;
}
//main.refresh();
}
function setWidth(WIDTH){
isPercentWidth = (WIDTH+"").indexOf('%') === -1 ? false : true;
percentWidth = parseInt(WIDTH);
width = parseInt(WIDTH);
resizeCanvas();
}
function setHeight(HEIGHT){
isPercentHeight = (HEIGHT+"").indexOf('%') === -1 ? false : true;
percentHeight = parseInt(HEIGHT);
height = parseInt(HEIGHT);
resizeCanvas();
}
return {
getWidth : function(){return width;},
getHeight : function(){return height;},
setWidth : setWidth,
setHeight : setHeight,
getCTX : function(){return ctx;}
};
}
function backgrounds(SCREEN){
var end=null, last=null, last=null, temp=null;
var ctx = SCREEN.getCTX();
var date = new Date();
var list = new Array();
var listTime = new Array();
var startTime = null;
var startSceneTime = null;
var endSceneTime = null;
var difSceneTime = -1;
var activeScene=0;
var activeThread = -1;
var nextThreadWait = -1;
var screen = SCREEN;
var timeoutSceneLoopID = null, timeoutSceneID = null;
function addScene(time, refreshCallback) {
refreshCallback.setScreen( screen);
list[list.length] = refreshCallback;
listTime[listTime.length] = time;
}
function start() {
var pos = 0;
startTime = date.getTime();
sceneLoop(null,pos);
}
function sceneLoop(last,pos){
clearInterval(nextThreadWait);
runScene(last, pos%list.length, (pos+1)%list.length);
timeoutSceneLoopID = window.setTimeout(function(){
nextThreadWait = window.setInterval(function() {
if(difSceneTime == -1 && Date.now() > endSceneTime){
sceneLoop(pos, (pos+1)%list.length);
clearInterval(nextThreadWait);
}
}, 16);
}, getSceneTime(pos));
}
function runScene(LAST, CUR, NEXT){
//timeoutSceneID = window.setTimeout(function(){
if(LAST != null){
getScene(LAST).end();
clearInterval(activeThread);
}
else{
getScene(CUR).setup();
preLoadImg(getScene(CUR));
}
getScene(CUR).start();
activeThread = window.setInterval(function() {
getScene(CUR).update(getScene(activeScene).refreshRate());
getScene(CUR).render(ctx);
}, getScene(CUR).refreshRate());
activeScene = CUR;
startSceneTime = Date.now();
endSceneTime = Date.now()+getSceneTime(CUR);
if(getScene(NEXT)!=null)
{
getScene(NEXT).setup();
preLoadImg(getScene(NEXT));
}
//}, getSceneTime(CUR));
}
function pause() {
if(difSceneTime == -1)
{
difSceneTime = Date.now()-startSceneTime;
clearInterval(activeThread);
activeThread = window.setInterval(function() {
getScene(activeScene).render(ctx);
}, getScene(activeScene).refreshRate());
}
else
{
clearInterval(activeThread);
endSceneTime = Date.now()+getSceneTime(activeScene);
startSceneTime = Date.now()-difSceneTime;
activeThread = window.setInterval(function() {
getScene(activeScene).update(getScene(activeScene).refreshRate());
getScene(activeScene).render(ctx);
}, getScene(activeScene).refreshRate());
difSceneTime = -1;
}
}
function getScene(POS){
return list[POS];
}
function getSceneTime(POS){
return listTime[POS];
}
function preLoadImg(refreshCallback){
for (i=0;i<refreshCallback.imgLoc.length;i++)
{
if(refreshCallback.img[i]==null){
refreshCallback.img[i] = new Image();
//if(refreshCallback.loading!=null)
// refreshCallback.loading += 1;
refreshCallback.img[i].onload = function() {
//if(refreshCallback.loading!=null)
// refreshCallback.loading -= 1;
console.log ( 'Image loaged' );
};
refreshCallback.img[i].src = refreshCallback.imgLoc[i] ;
}
}
}
function refresh(){
if(getScene(activeScene)!== undefined)
getScene(activeScene).render(ctx);
}
function getDone(){
if(difSceneTime == -1)
return 100-100.0*(Date.now()-startSceneTime)/(endSceneTime-startSceneTime);
else
return 100-100.0*(difSceneTime)/(endSceneTime-startSceneTime);
}
function getList(){
var send = new Array();
for(var i = 0;i< list.length;i++){
send[send.length] = list[i];
}
return send;
}
function getActive(){
return activeScene;
}
function playScene(num){
alert(num);
clearInterval(timeoutSceneLoopID);
sceneLoop(activeScene,(num)%list.length);
}
function nextScene(){
clearInterval(timeoutSceneLoopID);
sceneLoop(activeScene,(activeScene+1)%list.length);
}
function backScene(){
clearInterval(timeoutSceneLoopID);
if(Date.now()-startSceneTime<500)
{
var next = activeScene-1;
if(next<0)next=list.length-1;
sceneLoop(activeScene,next);
}
else
sceneLoop(activeScene,activeScene);
}
function changeOrder(OLD, NEW){
if(OLD<NEW){
for(var i =0;i<Math.abs(OLD-NEW);i++){
var tempObj = list[OLD+i];
var tempTime = listTime[OLD+i];
list[OLD+i] = list[OLD+i+1];
listTime[OLD+i] = listTime[OLD+i+1];
list[OLD+i+1] = tempObj;
listTime[OLD+i+1] = tempTime;
}
}
else{
for(var i =Math.abs(OLD-NEW);i>0;i--){
var tempObj = list[NEW+i-1];
var tempTime = listTime[NEW+i-1];
list[NEW+i-1] = list[NEW+i];
listTime[NEW+i-1] = listTime[NEW+i];
list[NEW+i] = tempObj;
listTime[NEW+i] = tempTime;
}
}
if(OLD == activeScene)activeScene = NEW;
else if(OLD >= activeScene&& NEW <= activeScene)activeScene++;
else if(OLD <= activeScene&& NEW >= activeScene)activeScene--;
}
return {
backScene : backScene,
addScene : addScene,
changeOrder : changeOrder,
nextScene : nextScene,
playScene : playScene,
pause : pause,
start : start,
refresh : refresh,
getDone : getDone,
getList : getList,
getCtx : function(){return ctx;},
getActive : getActive
};
}
function classic(){
var img = new Array();
var imgLoc = ["http://davidjokinen.com/water.gif","http://davidjokinen.com/dirt1.gif","http://davidjokinen.com/grass1.gif","http://davidjokinen.com/grass2.gif","http://davidjokinen.com/grass3.gif","http://davidjokinen.com/grass4.gif","http://davidjokinen.com/tree2.gif","http://davidjokinen.com/housealpha2.gif"];
var screen = null;
var mx=0, my=0;
var noiceGen;
var houseCount = 0;
function mouseMove(event) {
mx = event.pageX;
my = event.pageY;
}
function setup() {
}
function refreshRate(){
return 100;
}
function start() {
window.addEventListener("mousemove", mouseMove, false);
noiceGen = new perlinNoise(1);
return end;
}
function render(ctx){
houseCount = 0;
for(var y=0;y<ctx.height/20+1;y++)
for(var x=ctx.width/70;x>=-1;x--)
{
var ax =0,ay=-20;
if(y%2==1){ax-=35;}
//console.log ( mx );
if(Math.abs(x*70-mx)<210&&Math.abs(y*20-my)<80)
if((Math.abs(x-mx/70)+Math.abs(y-my/20))<=4)
ay -= (4-(Math.abs(x-mx/70)+Math.abs(y-my/20)));
if(noiceGen.getHeight(x/2.0,y/2.0)<-.2)
ctx.drawImage(img[0],x*70+ax,y*20+ay);
//else if(noiceGen.getHeight(x/2.0,y/2.0)<-.13)
//ctx.drawImage(img[1],x*70+ax,y*20+ay);
else{
if(parseInt((1)*noiceGen.getHeight(x/2.0,y/2.0)*600)%2==1)ctx.drawImage(img[2],x*70+ax,y*20+ay);
else if(parseInt((1)*noiceGen.getHeight(x/2.0,y/2.0)*600)%3==0)ctx.drawImage(img[3],x*70+ax,y*20+ay);
else if(parseInt((1)*noiceGen.getHeight(x/2.0,y/2.0)*600)%2==0)ctx.drawImage(img[5],x*70+ax,y*20+ay);
else ctx.drawImage(img[4],x*70+ax,y*20+ay);
}
if(noiceGen.getHeight(x/2.0,y/2.0)>.6&&parseInt((1)*noiceGen.getHeight(x/2.0,y/2.0)*600)%2==1)ctx.drawImage(img[6],x*70+ax,y*20+ay-80);
else if(noiceGen.getHeight(x/2.0,y/2.0)>.4&&parseInt((1)*noiceGen.getHeight(x/2.0,y/2.0)*600)%3==0)ctx.drawImage(img[6],x*70+ax,y*20+ay-80);
else if(noiceGen.getHeight(x/2.0,y/2.0)>.1&&parseInt((1)*noiceGen.getHeight(x/2.0,y/2.0)*600)%15==0)ctx.drawImage(img[6],x*70+ax,y*20+ay-80);
else if(houseCount<2&&noiceGen.getHeight(x/2.0,y/2.0)>.1&&noiceGen.getHeight(x/2.0,y/2.0)<.2&&parseInt((1)*noiceGen.getHeight(x/2.0,y/2.0)*600)%100==1){ctx.drawImage(img[7],x*70+ax,y*20+ay-75);houseCount++;}
}
}
function update(delta){
}
function end(){
window.removeEventListener("mousemove", mouseMove, false);
}
return {
end : end,
img : img,
imgLoc : imgLoc,
refreshRate : refreshRate,
update : update,
render : render,
start : start,
setScreen : function(m){screen = m;},
setup : function(){return setup();},
run : function(ctx,t){return run(ctx,t);},
toString : function(){return "Iso-World";}
};
}
function lighting(){
var img = new Array();
var imgLoc = [];
var screen = null;
var mx=0, my=0;
var noiceGen;
var houseCount = 0;
var time = Date.now();
var faceList = new Array();
var lightList = new Array();
function mouseMove(event) {
mx = event.pageX;
my = event.pageY;
}
function point3D(X,Y,Z){
var x = X;
var y = Y;
var z = Z;
return {
setX : function(a){x=a},
setY : function(a){y=a},
setZ : function(a){z=a},
getX : function(){return x;},
getY : function(){return y;},
getZ : function(){return z;},
sub : function(pnt){x -= pnt.getX();y -= pnt.getY();z -= pnt.getZ();},
add : function(pnt){x += pnt.getX();y += pnt.getY();z += pnt.getZ();},
mul : function(pnt){x *= pnt.getX();y *= pnt.getY();z *= pnt.getZ();},
getSub : function(pnt){return new point3D(x - pnt.getX(),y - pnt.getY(),z - pnt.getZ());},
getAdd : function(pnt){return new point3D(x + pnt.getX(),y + pnt.getY(),z + pnt.getZ());},
getCross : function(pnt){return new point3D(y*pnt.getZ()-pnt.getY()*z,z*pnt.getX()-pnt.getZ()*x,x*pnt.getY()-pnt.getX()*y);},
getNormal : function(){var len = Math.sqrt(x*x+y*y+z*z);return new point3D(x/len,y/len,z/len);},
getLength : function(){var len = Math.sqrt(x*x+y*y+z*z);return len;},
getDot : function(pnt){return x*pnt.getX()+y*pnt.getY()+z*pnt.getZ();}
};
}
function face(colorSet){
var list = new Array();
var color = colorSet;
var render = function(ctx){
var x = list[list.length-1].getX(),
y = list[list.length-1].getY();
ctx.beginPath();
ctx.moveTo(x,y);
for (var i = 0; i < list.length ; i++) {
x = list[i].getX();
y = list[i].getY();
ctx.lineTo(x,y);
}
ctx.closePath();
ctx.strokeStyle = "#CCCCCC";
// ctx.stroke();
ctx.fillStyle = color;
ctx.fill();
}
var lightSource = function(pnt1,pnt2,pnt3){
var x = 0,
y = 0,
z = 0;
for (var i = 0; i < 3 ; i++) {
x += list[i].getX();
y += list[i].getY();
z += list[i].getZ();
}
x /= 3;y /= 3;z /= 3;
var sumPnt = new point3D(x,y,z);
var normal1 = list[1].getSub(list[0]).getCross(list[2].getSub(list[0])).getNormal();
var normal2 = pnt1.getSub(sumPnt).getNormal();
var normal3 = pnt2.getSub(sumPnt).getNormal();
var normal4 = pnt3.getSub(sumPnt).getNormal();
var distance1 = pnt1.getSub(sumPnt).getLength();
var distance2 = pnt2.getSub(sumPnt).getLength();
var distance3 = pnt3.getSub(sumPnt).getLength();
var num1 = normal1.getDot(normal2)*(800/distance1)+.2;
var num2 = normal1.getDot(normal3)*(800/distance2)+.2;
var num3 = normal1.getDot(normal4)*(800/distance3)+.2;
color = "rgb("+parseInt(num1*255)+","+parseInt(num2*255)+","+parseInt(num3*255)+")";
}
return {
add : function(i){list[list.length]=i;},
get : function(i){return list[i];},
render : function(ctx){ render(ctx);},
lightSource : function(pnt1,pnt2,pnt3){ lightSource(pnt1,pnt2,pnt3);},
size : function(i){return list.length;}
};
}
function setup() {
noiceGen = new perlinNoise(1);
}
function refreshRate(){
return 32;
}
function start() {
window.addEventListener("mousemove", mouseMove, false);
var size = 40;
var noiceMul =100;
var noiceScale = 6;
var width = screen.getWidth()/size+1;
var height = 15;
for(var x = 0;x<width;x++){
for(var y = 0;y<height;y++){
faceList[(x*height+y)*2] = face("#DDDDDD");
faceList[(x*height+y)*2].add(point3D(x*size,y*size,noiceMul*noiceGen.getHeight(x*noiceScale,y*noiceScale)));
faceList[(x*height+y)*2].add(point3D(x*size+size,y*size,noiceMul*noiceGen.getHeight(x*noiceScale+noiceScale,y*noiceScale)));
faceList[(x*height+y)*2].add(point3D(x*size+size,y*size+size,noiceMul*noiceGen.getHeight(x*noiceScale+noiceScale,y*noiceScale+noiceScale)));
faceList[(x*height+y)*2+1] = face("#DDDDDD");
faceList[(x*height+y)*2+1].add(point3D(x*size+size,y*size+size,noiceMul*noiceGen.getHeight(x*noiceScale+noiceScale,y*noiceScale+noiceScale)));
faceList[(x*height+y)*2+1].add(point3D(x*size,y*size+size,noiceMul*noiceGen.getHeight(x*noiceScale,y*noiceScale+noiceScale)));
faceList[(x*height+y)*2+1].add(point3D(x*size,y*size,noiceMul*noiceGen.getHeight(x*noiceScale,y*noiceScale)));
}
}
lightList[0] = point3D(300,300,1000);
lightList[1] = point3D(200,800,1000);
lightList[2] = point3D(700,300,1000);
return end;
}
function render(ctx){
for(var i = 0;i<faceList.length;i++)
faceList[i].render(ctx);
}
function update(delta){
time += delta;
lightList[0].setX( 700+600*Math.sin(-time/1400+12000));
lightList[0].setY( 300+400*Math.cos(-time/1400+12000));
lightList[1].setX( 700+500*Math.sin(time/2200));
lightList[1].setY( 300+500*Math.cos(time/2200));
lightList[2].setX( 900+800*Math.sin(time/1000+17000));
lightList[2].setY( 200+400*Math.cos(time/1000+17000));
for(var i = 0;i<faceList.length;i++)
faceList[i].lightSource(lightList[0],lightList[1],lightList[2]);
}
function end(){
window.removeEventListener("mousemove", mouseMove, false);
}
return {
end : end,
img : img,
imgLoc : imgLoc,
refreshRate : refreshRate,
update : update,
render : render,
start : start,
setScreen : function(m){screen = m;},
setup : function(){return setup();},
run : function(ctx,t){return run(ctx,t);},
toString : function(){return "Lighting";}
};
}
function terrain(){
var img = new Array();
var imgLoc = [];
var screen = null;
var mx=0, my=0;
var noiceGen;
var time = Date.now();
var t = 0;
var noiseList = new Array();
var renderList = new Array();
var map;
var ratioX = 40;
var ratioY = 20;
var ratioZ = 60;
var camera = new Point(0,0);
function mouseMove(event) {
mx = event.pageX;
my = event.pageY;
}
function setup() {
}
function refreshRate(){
return 32;
}
function createNoise(noise)
{
var canvas = document.createElement("canvas"),
ctx = canvas.getContext('2d');
canvas.width = 50;
canvas.height = 50;
for ( x = 0; x < canvas.width; x++ ) {
for ( y = 0; y < canvas.height; y++ ) {
number = Math.floor( Math.random() * 20 );
ctx.fillStyle = "rgba(" + (number+230) + "," + (number+230) + "," + (number+245) + ",.65)";
ctx.fillRect(x, y, 1, 1);
}
}
return canvas.toDataURL("image/png") ;
}
function isoPoint(X,Y,Z){
var x = X;
var y = Y;
var z = Z;
var getScreenPoint = function(){
var X1 = (x)*ratioX-(y)*ratioX;
var Y1 = (x)*ratioY+(y)*ratioY-getZ()*ratioZ;
return new Point(X1,Y1);
}
return {
setX : function(a){x=a},
setY : function(a){y=a},
setZ : function(a){z=a},
getX : function(){return x;},
getY : function(){return y;},
getZ : function(){return z;},
getScreenPoint : function(){return getScreenPoint();},
getScreenX : function(){return (x)*ratioX-(y)*ratioX;},
getScreenY : function(){return (x)*ratioY+(y)*ratioY-(z)*ratioZ;}
};
}
function isoFace(colorSet){
var isoList = new Array();
var color = colorSet;
var render = function(ctx){
var x = isoList[isoList.length-1].getScreenX()+camera.getX(),
y = isoList[isoList.length-1].getScreenY()+camera.getY();
ctx.beginPath();
ctx.moveTo(x,y);
for (var i = 0; i < isoList.length ; i++) {
x = isoList[i].getScreenX()+camera.getX();
y = isoList[i].getScreenY()+camera.getY();
ctx.lineTo(x,y);
}
ctx.closePath();
ctx.stroke();
ctx.fillStyle = color;
ctx.fill();
}
return {
add : function(i){isoList[isoList.length]=i;},
get : function(i){return isoList[i];},
render : function(ctx){ render(ctx);},
size : function(i){return isoList.length;}
};
}
function Point(X,Y){
var x = X;
var y = Y;
return {
setX : function(a){x=a},
setY : function(a){y=a},
getX : function(){return x;},
getY : function(){return y;}
};
}
function Grid(X,Y){
var canvas = document.createElement("canvas"),
ctx = canvas.getContext('2d');
canvas.width = screen.getWidth();
canvas.height = screen.getHeight();
var image = new Image(screen.getWidth(), screen.getHeight());
var imagesrc = canvas.toDataURL("image/png");
image.src = imagesrc;
var map = new Array(X);
var self = this;
for (var i = 0; i < map.length ; i++) {
map[i] = new Array(Y);
}
var color = new Array(X-1);
for (var i = 0; i < map.length ; i++) {
color[i] = new Array(Y-1);
}
var noiceGen = new perlinNoise(1);
var noiceGen2 = new perlinNoise(1);
for (var x = 0; x < map.length ; x++) {
for (var y = 0; y < map[0].length ; y++) {
//alert(noiceGen.getHeight(x,y));
map[x][y] = new isoPoint(x,y,noiceGen.getHeight(x*2,y*2)+4*noiceGen2.getHeight(x/2,y/2));
if(x>=1&&y>=1){
//var r=170, g=170, b=90;
var r=0, g=90, b=0;
r -= parseInt(40*(map[x][y].getZ()-map[x-1][y].getZ()+map[x][y].getZ()-map[x][y-1].getZ()) );
g -= parseInt(40*(map[x][y].getZ()-map[x-1][y].getZ()+map[x][y].getZ()-map[x][y-1].getZ()) );
b -= parseInt(40*(map[x][y].getZ()-map[x-1][y].getZ()+map[x][y].getZ()-map[x][y-1].getZ()) );
color[x-1][y-1] = "rgba("+r+","+g+","+b+", 1)";
//alert((x-1)+" "+(y-1));
}
}}
var render = function(ctx2){
// Store the current transformation matrix
ctx.save();
// Use the identity matrix while clearing the canvas
ctx.setTransform(1, 0, 0, 1, 0, 0);
ctx.clearRect(0, 0, canvas.width, canvas.height);
// Restore the transform
ctx.restore();
var count =0;
var count2 =0;
for (var x = 0; x < map.length-1 ; x++) {
for (var y = 0; y < map[0].length-1 ; y++) {
//alert(map[x][y].getScreenX());
count2++;
var x1 = map[x][y].getScreenX()+camera.getX();
var y1 = map[x][y].getScreenY()+camera.getY();
var x2 = map[x][y+1].getScreenX()+camera.getX();
var y2 = map[x][y+1].getScreenY()+camera.getY();
var x3 = map[x+1][y+1].getScreenX()+camera.getX();
var y3 = map[x+1][y+1].getScreenY()+camera.getY();
var x4 = map[x+1][y].getScreenX()+camera.getX();
var y4 = map[x+1][y].getScreenY()+camera.getY();
if((x1<0&&x2<0&&x3<0&&x4<0))
continue;
if((y1<0&&y2<0&&y3<0&&y4<0))
continue;
if((x1>screen.getWidth()&&x2>screen.getWidth()&&x3>screen.getWidth()&&x4>screen.getWidth()))
continue;
if((y1>screen.getHeight()&&y2>screen.getHeight()&&y3>screen.getHeight()&&y4>screen.getHeight()))
continue;
count++;
ctx.beginPath();
ctx.moveTo(x1,y1);
ctx.lineTo(x2,y2);
ctx.lineTo(x3,y3);
ctx.lineTo(x4,y4);
ctx.lineTo(x1,y1);
ctx.closePath();//This affects teh alpha.
ctx.fillStyle = color[x][y];
ctx.strokeStyle = "rgba(10,60,10, .4)";
ctx.fill();
ctx.stroke();
//
}}
ctx2.globalAlpha = 0.45;
ctx2.drawImage(canvas,0,0);
ctx2.globalAlpha = 1;
}
var getHeight = function(x,y){
if(x<0||y<0)
return 0;
if(x>map.length-1||y>map[0].length-1)
return 0;
var X = Math.floor(x);
var Y = Math.floor(y);
var riX = (x-X);
var riY = (y-Y);
var rX = 1-(x-X);
var rY = 1-(y-Y);
return (rX*rY*map[X][Y].getZ()+riX*rY*map[X+1][Y].getZ()+riY*riX*map[X+1][Y+1].getZ()+riY*rX*map[X][Y+1].getZ())
}
return {
render : function(g){render(g);},
getHeight : function(x,y){return getHeight(x,y);}
};
}
function start() {
window.addEventListener("mousemove", mouseMove, false);
map = new Grid(parseInt(screen.getWidth()/ratioX)+3,parseInt(screen.getHeight()/ratioY)+3);
for(var i=0;i<5;i++){
noiseList[i] = new Image(40,40);
noiseList[i].src = createNoise(noiseList[i]);
}
return end;
}
function render(ctx){
var pat2 =ctx.createPattern(noiseList[t%5],"repeat");
var grd = ctx.createLinearGradient(0, 0, 0, 1200);
// light blue
grd.addColorStop(0, '#FFF');
// dark blue
grd.addColorStop(1, '#000');
ctx.fillStyle = grd;
ctx.fillRect (0, 0, screen.getWidth(), screen.getHeight());
ctx.fillStyle = pat2;
ctx.fillRect (0, 0, screen.getWidth(), screen.getHeight());
ctx.fillStyle = "rgba(70,40,0, .4)";
map.render(ctx);
}
function update(delta){
camera.setY(-100);
camera.setX(2*screen.getWidth()/5);
time += delta;
t++;
if(time>3000){
time = 0;
map = new Grid(parseInt(screen.getWidth()/ratioX/2)+3,parseInt(screen.getHeight()/ratioY/2)+3);
}
}
function end(){
window.removeEventListener("mousemove", mouseMove, false);
}
return {
end : end,
img : img,
imgLoc : imgLoc,
refreshRate : refreshRate,
update : update,
render : render,
start : start,
setScreen : function(m){screen = m;},
setup : function(){return setup();},
run : function(ctx,t){return run(ctx,t);},
toString : function(){return "Terrain";}
};
}
function nodes(){
/* Needed Vars for scene */
var img = new Array();
var imgLoc = [];
var screen = null;
var list = new Array();
var t = 0;
function drawNode(ctx,x,y,r){
ctx.beginPath();
ctx.arc(x, y, r, 0, 2 * Math.PI, false);
ctx.fillStyle = 'yellow';
ctx.fill();
ctx.lineWidth = 5;
ctx.strokeStyle = '#003300';
ctx.stroke();
}
function drawLine(ctx, con1, con2){
ctx.beginPath();
ctx.moveTo(con1.getX(), con1.getY());
ctx.lineTo(con2.getX(), con2.getY());
ctx.stroke();
}
function connector(X,Y,W){
var x = X;
var y = Y;
var attached = new Array();
var width = W;
return {
clear : function(){attached = new Array()},
add : function(add){attached[attached.length]=add;add.add2(this);},
add2 : function(add){attached[attached.length]=add;},
clicked : function(x2,y2){return (Math.sqrt(Math.pow(x-x2,2)+Math.pow(y-y2,2))<width);},
addX : function(a){x=x+a},
addY : function(a){y=y+a},
width : width,
getX : function(){return x;},
getY : function(){return y;},
dis : function(con){return Math.sqrt(Math.pow(x-con.getX(),2)+Math.pow(y-con.getY(),2));},
ang : function(con){return Math.atan((y-con.getY())/(x-con.getX()));},
negx : function(con){return Math.abs(x-con.getX())/(x-con.getX());},
negy : function(con){return Math.abs(y-con.getY())/(y-con.getY());},
drawLines : function(ctx){
for(var q=0;q<attached.length;q++)
drawLine(ctx,this, attached[q]);},
drawNode : function(ctx){ drawNode(ctx,x,y,width)},
think : function(list){
var fx = 0;
var fy = 0;
for(var q =0;q<attached.length;q++ )
{
var dis = (attached[q].dis(this) -200) / 100.0;
var ang = attached[q].ang(this);
var negx = attached[q].negx(this);
var negy = attached[q].negx(this);
fx += negx*16*dis*Math.cos(ang);
fy += negy*16*dis*Math.sin(ang);
}
for(var q =0;q<list.length;q++ )
{
if(list[q]==this)continue;
var dis = 1.0/(list[q].dis(this)) ;
var ang = list[q].ang(this);
var negx = list[q].negx(this);
var negy = list[q].negx(this);
fx -= negx*Math.pow(600.0,2)*dis*dis*Math.cos(ang);
fy -= negy*Math.pow(600.0,2)*dis*dis*Math.sin(ang);
}
fx -= (x-screen.getWidth()/2)/60.0;
fy -= (y-screen.getHeight()/2)/15.0;
x += fx;
y += fy;
}
};
}
function setup() {
}
function refreshRate(){
return 44;
}
function start() {
for(var q= 0;q<15;q++)
list[q] = new connector(50+(screen.getWidth()-100)*Math.random(),50+(screen.getHeight()-100)*Math.random(),35);
for(var q= 0;q<15;q++)
{
var n1 = parseInt(list.length*Math.random());
var n2 = parseInt(list.length*Math.random());
if(n1!=n2)
list[n1].add(list[n2]);
else
q--;
}
return end;
}
function render(ctx){
ctx.fillStyle = '#DDD';
ctx.fillRect(0,0,ctx.width,ctx.height);
for(var q= 0;q<list.length;q++)
list[q].drawLines(ctx);
for(var q= 0;q<list.length;q++)
list[q].drawNode(ctx);
}
function update(delta){
t += delta;
for(var q= 0;q<list.length;q++)
list[q].think(list);
if(t>10000)
{
for(var q= 0;q<list.length;q++)
list[q].clear();
for(var q= 0;q<list.length;q++)
{
var n1 = parseInt(list.length*Math.random());
var n2 = parseInt(list.length*Math.random());
if(n1!=n2)
list[n1].add(list[n2]);
else
q--;
}
t = 0;
}
}
function end(){
}
return {
end : end,
img : img,
imgLoc : imgLoc,
refreshRate : refreshRate,
update : update,
render : render,
start : start,
setScreen : function(m){screen = m;},
setup : function(){return setup();},
run : function(ctx,t){return run(ctx,t);},
toString : function(){return "Force Graph";}
};
}
function islands(){
var img = new Array();
var imgLoc = [];
var screen = null;
var yellow = new Array();
var green = new Array();
var orange = new Array();
for(var q = 0;q< 16;q++){
yellow[q] = randomColor({hue: 'yellow'});
green[q] = randomColor({hue: 'green'});
orange[q] = randomColor({hue: 'orange'});
}
var noiceGen = new perlinNoise(1);
var count = 0;
var pixelSize = 1024;
var scale = 1;
var pos = 0;
var list ;
var noiseScale = 64 + 64*Math.random();
var noiseMulti = .5 + Math.random();
var noiseAdd = -.2 + Math.random();
var width = 0;
var maxSize = 0;
var t=0;
function reset() {noiceGen = new perlinNoise(1);count = 0;pixelSize = 1024;pos = 0;scale=1;noiseScale = 64 + 64*Math.random(); noiseMulti = .5 + Math.random();noiseAdd = -.2 + Math.random();}
function buildList() {
width = parseInt(screen.getWidth()/pixelSize+2);
maxSize = parseInt(screen.getWidth()/pixelSize+2)*parseInt(screen.getHeight()/pixelSize+2);
var list= new Array();
for(var x = 0;x<maxSize;x++)
list[x] = x;
for(var x = 0;x<maxSize;x++){
var pos1 = parseInt(maxSize*Math.random());
var temp = list[pos1];
list[pos1] = list[x];
list[x] = temp;
}
return list;
}
var count = 0;
function drawList(ctx){
for(var q = pos;q<pos+count;q++)
{
var test;
var x = parseInt(list[q]%width);
var y = parseInt(list[q]/width);
var h = noiceGen.getHeight(x*noiseScale/scale-pixelSize/2/scale,y*noiseScale/scale-pixelSize/2/scale)*noiseMulti+noiseAdd;
if(h<0)
test ='#00435b';
else if(h<.3)
test ='#007BA7';
else if(h<.39)
test ='#00b3f4';
else if(h<.48){
test = yellow[q%16];
}else if(h<.80){
test = green[q%16];
}else{
test =orange[q%16];
}
ctx.fillStyle = test;
ctx.fillRect(parseInt((x)*pixelSize-pixelSize),parseInt((y)*pixelSize-pixelSize),pixelSize,pixelSize);
}
pos+=count;
if(pos>=list.length)
{
if(pixelSize<5){
reset();
list = buildList();
}
else{
pixelSize =parseInt( pixelSize/2);
scale *= 2;
list = buildList();
pos = 0;
}
}
}
function setup() {
noiceGen = new perlinNoise(1);
}
function refreshRate(){
return 60;
}
function start() {
reset();
list = buildList();
return end;
}
function render(ctx){
drawList(ctx);
}
function update(delta){
t += delta;
if(t > 30){
count = 4*scale;
t = 0;
}
}
function end(){
}
return {
end : end,
img : img,
imgLoc : imgLoc,
refreshRate : refreshRate,
update : update,
render : render,
start : start,
setScreen : function(m){screen = m;},
setup : function(){return setup();},
run : function(ctx,t){return run(ctx,t);},
toString : function(){return "Pixel Islands";}
};
}
function title(){
//Please dont judge me this is old code. -David
/* Needed Vars for scene */
var img = new Array();
var imgLoc = [];
var screen = null;
var letterS = [1,0, 2,0, 3,0, 0,1, 0,2, 1,2, 2,2, 3,2, 3,3, 2,4, 1,4, 0,4];
var letterP = [0,0, 1,0, 2,0, 0,1, 0,2, 1,2,2,2, 2,1, 0,3,0,4];
var letterE = [0,0, 1,0, 2,0, 0,1, 0,2, 1,2, 0,3,0,4,1,4,2,4];
var letterD = [0,0, 1,0,2,0, 0,1, 0,2, 0,3,0,4,1,4 ,2,4 ,3,1,3,2,3,3];
var letterA = [0,0, 1,0, 2,0, 3,0,2,2, 0,1, 0,2, 1,2, 0,3, 0,4, 3,4,3,1,3,2,3,3];
var letterC = [0,0, 1,0, 2,0, 0,1, 0,2, 0,3,0,4,1,4,2,4];
var letterM = [0,0, 2,0,1,0, 0,2, 0,1, 2,1,2,2,2,3,2,4, 4,4, 0,3, 0,4 ,3,0 ,4,1 ,4,2, 4,3, 4,4, 4,4];
var R1 = 200;
var G1 = 200;
var B1 = 200;
var R2 = 138;
var G2 = 181;
var B2 = 255;
var S1 = Math.random()*500+500;
var S2 = Math.random()*500+500;
var S3 = Math.random()*500+500;
var t = Date.now();
function ranA(){return Math.random()-.5;}
var ar = 1+ranA(), ag = 2+ranA(), ab = 2+ranA();
function setup() {
}
function refreshRate(){
return 60;
}
function start() {
return end;
}
function render(ctx){
Color2 = '#A0C8FF';
function c(num,a)
{return ('0' + Math.floor((num-(num/3))+Math.sin((t*a)*6.28/18000) *(num/3)).toString(16)).substr(-2);}
function l(letter,x,y){
for(var q=0;q<letter.length;q+=2)
if(letter[q]==x&&letter[q+1]==y) return 80-50*Math.floor(Math.sin(((t*ar+t*ag+t*ab)/3-1)*6.28/18000));
return 0;}
function a(num,x,y)
{ return num;
}
function m(num,x,y)
{return num - 4+4*Math.sin(12 +(t/S1-y*Math.cos(t/4300)+Math.floor(x*Math.tan(t/4100))))
- 4+4*Math.cos(12 +(t/S1-Math.floor(y*Math.tan(t/4300))+x*Math.sin(t/4100)))
//- 4+4*Math.cos(152 +(t/S2-y*Math.cos(t/4300)+x*Math.sin(t/1200)))//;}
- 2+Math.floor(2*Math.atan(234 +(t/15-y/x)));}
function newColor(x,y)
{return '#' + c(a(m(R1,x,y),x,y),ar) + c(a(m(G1,x,y),x,y),ag) + c(a(m(B1,x,y),x,y),ab);}
pixelSize = 30;
for(var x = 1;x<ctx.width/pixelSize+1;x++)
for(var y = 1;y<ctx.height/pixelSize+1;y++)
{
ctx.fillStyle = newColor(x,y);
ctx.fillRect(x*pixelSize-pixelSize,y*pixelSize-pixelSize,pixelSize,pixelSize);
}
}
function update(delta){
t += delta;
}
function end(){
}
return {
end : end,
img : img,
imgLoc : imgLoc,
refreshRate : refreshRate,
update : update,
render : render,
start : start,
setScreen : function(m){screen = m;},
setup : function(){return setup();},
run : function(ctx,t){return run(ctx,t);},
toString : function(){return "TV Fuzz";}
};
}
function perlinNoise(SEED){
var seed = SEED;
var size = 256;
var values = new Array();
for(var i =0;i< size*2;i++)
values[i] = Math.floor(100*Math.random());
function Fade(t){
return t*t*t*(t*(t*6-15)+10);
}
function Lerp(t,a,b){
// alert(t+" "+a+" "+b);
return a+t*(b-a);
}
function Grad(hash,x,y){
var h = hash ;
var u = x;
if(hash%4==1||hash%4==2)
u = -x;
var v = y;
if(hash%2==0)
v = -y;
// alert(u+" "+v+" "+(u + v)+ " "+hash);
return u + v;
}
function Noise(X,Y){
X /= 10;
Y /= 10;
var x = Math.floor(X%(size/2));
var y = Math.floor(Y%(size/2));
X -= x;
Y -= y;
var u = Fade(X);
var v = Fade(Y);
var A = values[x] + y;
var B = values[x+1] + y;
//alert( B+" "+v+" "+y);
return Lerp(v, Lerp(u,Grad(values[A],X,Y),
Grad(values[B],X-1,Y)),
Lerp(u,Grad(values[A+1],X,Y-1),
Grad(values[B+1],X-1,Y-1)));
}
return {
getHeight : function(x,y){
return Noise(x,y);}
};
}
start();