Turtles Advanced

Developer
Scott R McGann
Size
4,040 Kb
Views
18,216
  1. Turtles Advanced Previews
  2. Turtles Advanced HTML Codes
  3. Turtles Advanced CSS Codes
  4. Turtles Advanced JS Codes

How do I make an turtles advanced?

What is a turtles advanced? How do you make a turtles advanced? This script and codes were developed by Scott R McGann on 11 November 2022, Friday.

Turtles Advanced Previews
IQ Test

Turtles Advanced - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>Turtles Advanced</title> <link rel="stylesheet" href="css/style.css">
</head>
<body> <canvas id="canvas"></canvas> <script src="js/index.js"></script>
</body>
</html>

Turtles Advanced - Script Codes CSS Codes

html,body{	margin:0px;	width:100%;	height:100%;	overflow:hidden;
}
#canvas{	width:100%;	height:100%;
}

Turtles Advanced - Script Codes JS Codes

function initVars(){	pi=Math.PI;	canvas=document.querySelector("#canvas");	ctx=canvas.getContext("2d");	canvas.width=document.body.clientWidth;	canvas.height=document.body.clientHeight;	cx=canvas.width/2;	cy=canvas.height/2;	window.addEventListener("resize",function(){	canvas.width=document.body.clientWidth;	canvas.height=document.body.clientHeight;	cx=canvas.width/2;	cy=canvas.height/2;	});	turtles=[];	food=[];	initialFood=20;	frames=0;	seed=11;	res=8;	cols=16*res;	rows=8*res;	tileWidth=cx*2/cols;	tileHeight=cy*2/rows;	turtleSpeed=2.5/2;	turnRadius=2.5*2;	foodFreq=3.5/5;	maxPop=120;	trails=.75;	envSpeed=1.5/2;
}
function Turtle(x,y,size,theta){	this.x=x, this.y=y, this.size=size, this.theta=theta, this.health=1;
}
function Food(x1,y1,x2,y2,weight){	this.x1=x1, this.y1=y1, this.x2=x2, this.y2=y2, this.weight=weight;	this.size=Math.sqrt((x2-x1)*(x2-x1)+(y2-y1)*(y2-y1));
}
function rand(){	seed+=.1234;	return parseFloat('0.'+Math.sin(seed).toString().substr(6));
}
function loadControlPoints(){	points=25;	controls=new Array(points);	for(i=0;i<points;++i){	controls[i]=new Object();	controls[i].x=parseInt(rand()*cols);	controls[i].y=parseInt(rand()*rows);	controls[i].vx=.5-rand()/1;	controls[i].vy=.5-rand()/1;	}
}
function loadTerrain(){	terrain=new Array(cols);	max=0;	for(i=0;i<cols;++i){	terrain[i]=new Array(rows);	for(j=0;j<rows;++j){	terrain[i][j]=new Object();	d1=d2=0;	for(k=0;k<points;++k){	d1+=Math.sqrt((i-controls[k].x)*(i-controls[k].x)+(j-controls[k].y)*(j-controls[k].y));	}	c=1;	for(k=0;k<points;++k){	d2=Math.sqrt((i-controls[k].x)*(i-controls[k].x)+(j-controls[k].y)*(j-controls[k].y));	c*=1-(1-(d2/d1));	}	if(c>max)max=c;	terrain[i][j].color=c;	}	}	for(i=0;i<cols;++i){	for(j=0;j<rows;++j){	terrain[i][j].color/=max;	}	}	for(i=0;i<cols;++i){	for(j=0;j<rows;++j){	cell=terrain[i][j];	l=i?i-1:cols-1;	u=j?j-1:rows-1;	r=i<cols-1?i+1:0;	d=j<rows-1?j+1:0;	left=terrain[l][j];	up=terrain[i][u];	right=terrain[r][j];	down=terrain[i][d];	upleft=terrain[l][u];	upright=terrain[r][u];	downright=terrain[r][d];	downleft=terrain[l][d];	c=parseInt(cell.color*15);	cell.differentNeighbors=(c!=parseInt(up.color*15)?1:0)+ (c!=parseInt(down.color*15)?1:0)+ (c!=parseInt(left.color*15)?1:0)+ (c!=parseInt(right.color*15)?1:0)+ (c!=parseInt(upleft.color*15)?1:0)+ (c!=parseInt(upright.color*15)?1:0)+ (c!=parseInt(downleft.color*15)?1:0)+ (c!=parseInt(downright.color*15)?1:0);	}	}
}
function doLogic(){	for(i=0;i<controls.length;++i){	vx=controls[i].vx*envSpeed;	vy=controls[i].vy*envSpeed;	if(controls[i].x+vx>=cols || controls[i].x+vx<0)controls[i].vx*=-1;	if(controls[i].y+vy>=rows || controls[i].y+vy<0)controls[i].vy*=-1;	controls[i].x+=vx;	controls[i].y+=vy;	}	loadTerrain();	for(i=0;i<cols;++i){	for(j=0;j<rows;++j){	if(parseInt(terrain[i][j].color*15)==2){	for(k=0;k<turtles.length;++k){	x=i*tileWidth+tileWidth/2;	y=j*tileHeight+tileHeight/2;	d=Math.sqrt((turtles[k].x-x)*(turtles[k].x-x)+(turtles[k].y-y)*(turtles[k].y-y));	if(d<turtles[k].size*2){	p=Math.atan2(x-turtles[k].x,y-turtles[k].y);	s=turtles[k].size*2-d;	turtles[k].x-=Math.sin(p)*s;	turtles[k].y-=Math.cos(p)*s;	}	}	for(k=0;k<food.length;++k){	x1=i*tileWidth+tileWidth/2;	y1=j*tileHeight+tileHeight/2;	x2=(food[k].x1+food[k].x2)/2;	y2=(food[k].y1+food[k].y2)/2;	d=Math.sqrt((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2));	if(d<food[k].size){	p=Math.atan2(x1-x2,y1-y2);	s=food[k].size-d;	food[k].x1-=Math.sin(p)*s;	food[k].y1-=Math.cos(p)*s;	food[k].x2-=Math.sin(p)*s;	food[k].y2-=Math.cos(p)*s;	}	}	}	}	}	if(turtles.length){	if(rand()<.01+foodFreq-.2){	weight=10+rand()*20;	x1=100+rand()*(cx*2-200);	y1=100+rand()*(cy*2-200);	p=pi*2*rand();	x2=x1+Math.sin(p)*weight;	y2=y1+Math.cos(p)*weight;	food.push(new Food(x1,y1,x2,y2,weight));	}	}	for(i=0;i<turtles.length;++i){	turtles[i].x-=Math.sin(turtles[i].theta)*(4+turtles[i].size/6)*turtleSpeed;	turtles[i].y-=Math.cos(turtles[i].theta)*(4+turtles[i].size/6)*turtleSpeed;	if(turtles[i].x<-turtles[i].size)turtles[i].x+=cx*2;	if(turtles[i].y<-turtles[i].size)turtles[i].y+=cy*2;	if(turtles[i].x>cx*2+turtles[i].size)turtles[i].x-=cx*2;	if(turtles[i].y>cy*2+turtles[i].size)turtles[i].y-=cy*2;	mind=10000000;	t=-1;	for(j=0;j<food.length;++j){	x=(food[j].x1+food[j].x2)/2;	y=(food[j].y1+food[j].y2)/2;	d=(turtles[i].x-x)*(turtles[i].x-x)+(turtles[i].y-y)*(turtles[i].y-y);	if(d<mind){	mind=d;	t=j;	}	if(d<turtles[i].size*turtles[i].size*2){	if(turtles[i].size<50){	turtles[i].size+=food[j].weight/10+turtles[i].size/350;	}else{	for(k=0;k<=3;++k){	p=pi*2/3*k+turtles[i].theta+pi;	s=turtles[i].size*(!k||k==3?2:1);	x2=x1;	y2=y1;	x1=turtles[i].x+Math.sin(p)*s;	y1=turtles[i].y+Math.cos(p)*s;	if(k){	for(m=0;m<12;++m){	x1a=x1+(x2-x1)/12*m;	y1a=y1+(y2-y1)/12*m;	x2a=x1+(x2-x1)/12*(m+1);	y2a=y1+(y2-y1)/12*(m+1);	food.push(new Food(x1a,y1a,x2a,y2a,1+turtles[i].size/8));	}	}	}	for(k=0;k<2+turtles[i].health*6;++k){	if(turtles.length<maxPop)turtles.push(new Turtle(turtles[i].x,turtles[i].y,10,rand()*pi*2));	}	t=-1;	turtles.splice(i,1);	break;	}	t=-1;	food.splice(j,1);	turtles[i].health=1;	}	}	if(t!=-1){	while(turtles[i].theta>pi*2)turtles[i].theta-=pi*2;	while(turtles[i].theta<0)turtles[i].theta+=pi*2;	x=(food[t].x1+food[t].x2)/2;	y=(food[t].y1+food[t].y2)/2;	p=Math.atan2(turtles[i].x-x,turtles[i].y-y);	d=Math.abs(p-turtles[i].theta);	if(d>pi){	p+=pi*2*(p>turtles[i].theta?-1:1);	}	d=Math.abs(p-turtles[i].theta);	if(p>turtles[i].theta){	turtles[i].theta+=d/(1+turnRadius);	}else{	turtles[i].theta-=d/(1+turnRadius);	}	}	if(turtles[i].health>0){	turtles[i].health-=.005;	}else{	for(k=0;k<=3;++k){	p=pi*2/3*k+turtles[i].theta+pi;	s=turtles[i].size*(!k||k==3?2:1);	x2=x1;	y2=y1;	x1=turtles[i].x+Math.sin(p)*s;	y1=turtles[i].y+Math.cos(p)*s;	if(k){	for(m=0;m<12;++m){	x1a=x1+(x2-x1)/12*m;	y1a=y1+(y2-y1)/12*m;	x2a=x1+(x2-x1)/12*(m+1);	y2a=y1+(y2-y1)/12*(m+1);	food.push(new Food(x1a,y1a,x2a,y2a,turtles[i].size/8));	}	}	}	turtles.splice(i,1);	}	if(i>maxPop)turtles.splice(i,1);	}
}
function colorString(arr){	var r = parseInt(arr[0]*15);	var g = parseInt(arr[1]*15);	var b = parseInt(arr[2]*15);	return "#"+r.toString(16)+g.toString(16)+b.toString(16);
}
function interpolateColors(RGB1,RGB2,degree){	w1=degree;	w2=1-w1;	return colorString([w1*RGB1[0]+w2*RGB2[0],w1*RGB1[1]+w2*RGB2[1],w1*RGB1[2]+w2*RGB2[2]]);
}
function rgb(col){	col+=.000001;	var r = parseInt((.5+Math.sin(col)*.5)*16);	var g = parseInt((.5+Math.cos(col)*.5)*16);	var b = parseInt((.5-Math.sin(col)*.5)*16);	return "#"+r.toString(16)+g.toString(16)+b.toString(16);
}
function draw(){	ctx.closePath();	ctx.globalAlpha=1/(1+trails);	ctx.fillStyle="#000";	ctx.fillRect(0,0,cx*2,cy*2);	for(i=0;i<cols;++i){	for(j=0;j<rows;++j){	if(parseInt(terrain[i][j].color*15)==2){	x=i*tileWidth;	y=j*tileHeight;	ctx.globalAlpha=1;	col1=[terrain[i][j].color,terrain[i][j].color,terrain[i][j].color];	c=.75/(1+terrain[i][j].differentNeighbors/2.5);	ctx.fillStyle=colorString([c,c,c]);	ctx.fillRect(x,y,tileWidth+1,tileHeight+1);	}	}	}	if(turtles.length){	ctx.globalAlpha=1;	ctx.strokeStyle="#ff0";	for(i=0;i<food.length;++i){	ctx.lineWidth=food[i].weight;	ctx.beginPath();	ctx.moveTo(food[i].x1,food[i].y1);	ctx.lineTo(food[i].x2,food[i].y2);	ctx.stroke();	}	for(i=0;i<turtles.length;++i){	ctx.lineWidth=1+turtles[i].size/20;	ctx.strokeStyle=interpolateColors([0,1,0],[1,0,0],turtles[i].health);	ctx.fillStyle=ctx.strokeStyle;	for(j=0;j<=3;++j){	p=pi*2/3*j+turtles[i].theta+pi;	s=turtles[i].size*(!j||j==3?2:1);	x=turtles[i].x+Math.sin(p)*s;	y=turtles[i].y+Math.cos(p)*s;	if(!j){	ctx.beginPath();	ctx.moveTo(x,y);	}else{	ctx.lineTo(x,y);	if(j==3){	ctx.globalAlpha=1;	ctx.stroke();	ctx.globalAlpha=.4;	ctx.fill();	}	}	}	}	}
}
function frame(){	doLogic();	draw();	requestAnimationFrame(frame);
}
function setupBoard(){	for(i=0;i<initialFood;++i){	weight=10+rand()*30;	x1=100+rand()*(cx*2-200);	y1=100+rand()*(cy*2-200);	p=pi*2*rand();	x2=x1+Math.sin(p)*weight;	y2=y1+Math.cos(p)*weight;	food.push(new Food(x1,y1,x2,y2,weight));	}	turtles.push(new Turtle(cx,cy*1.5,20,0));	loadControlPoints();	loadTerrain();
}
initVars();
setupBoard();
frame();
Turtles Advanced - Script Codes
Turtles Advanced - Script Codes
Home Page Home
Developer Scott R McGann
Username cantelope
Uploaded November 11, 2022
Rating 4
Size 4,040 Kb
Views 18,216
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