Walking Bot - Udacity CS255

Developer
Oliver Schafeld
Size
3,036 Kb
Views
28,336
  1. Walking Bot - Udacity CS255 Previews
  2. Walking Bot - Udacity CS255 HTML Codes
  3. Walking Bot - Udacity CS255 JS Codes

How do I make an walking bot - udacity cs255?

Source: http://forums.udacity.com/questions/100020868/if-you-have-a-localhost-webserver-here-is-some-code-to-get-a-walking-robot#cs255. What is a walking bot - udacity cs255? How do you make a walking bot - udacity cs255? This script and codes were developed by Oliver Schafeld on 05 October 2022, Wednesday.

Walking Bot - Udacity CS255 Previews
IQ Test

Walking Bot - Udacity CS255 - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>Walking Bot - Udacity CS255</title>
</head>
<body> <!-- Source: Udacity CS255 http://forums.udacity.com/questions/100020868/if-you-have-a-localhost-webserver-here-is-some-code-to-get-a-walking-robot#cs255 -->
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head> <title>Animation Test</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
</head>
<body onload="setup();" id="body">
</body>
</html> <script src="js/index.js"></script>
</body>
</html>

Walking Bot - Udacity CS255 - Script Codes JS Codes

var canvas = null;
var context = null;
var xCoord = 0;
var xDirection = 1;
var yCoord = 0;
var yDirection = 1;
var LEFTACTIVE=false;
var RIGHTACTIVE=false;
var UPACTIVE=false;
var DOWNACTIVE=false;
var backGroundCol = "#efefdd";
var assets = ['http://www.udacity.com/media/js/standalone/libs/gamedev_assets/robowalk/robowalk00.png', 'http://www.udacity.com/media/js/standalone/libs/gamedev_assets/robowalk/robowalk01.png', 'http://www.udacity.com/media/js/standalone/libs/gamedev_assets/robowalk/robowalk02.png', 'http://www.udacity.com/media/js/standalone/libs/gamedev_assets/robowalk/robowalk03.png', 'http://www.udacity.com/media/js/standalone/libs/gamedev_assets/robowalk/robowalk04.png', 'http://www.udacity.com/media/js/standalone/libs/gamedev_assets/robowalk/robowalk05.png', 'http://www.udacity.com/media/js/standalone/libs/gamedev_assets/robowalk/robowalk06.png', 'http://www.udacity.com/media/js/standalone/libs/gamedev_assets/robowalk/robowalk07.png', 'http://www.udacity.com/media/js/standalone/libs/gamedev_assets/robowalk/robowalk08.png', 'http://www.udacity.com/media/js/standalone/libs/gamedev_assets/robowalk/robowalk09.png', 'http://www.udacity.com/media/js/standalone/libs/gamedev_assets/robowalk/robowalk10.png', 'http://www.udacity.com/media/js/standalone/libs/gamedev_assets/robowalk/robowalk11.png', 'http://www.udacity.com/media/js/standalone/libs/gamedev_assets/robowalk/robowalk12.png', 'http://www.udacity.com/media/js/standalone/libs/gamedev_assets/robowalk/robowalk13.png', 'http://www.udacity.com/media/js/standalone/libs/gamedev_assets/robowalk/robowalk14.png', 'http://www.udacity.com/media/js/standalone/libs/gamedev_assets/robowalk/robowalk15.png', 'http://www.udacity.com/media/js/standalone/libs/gamedev_assets/robowalk/robowalk16.png', 'http://www.udacity.com/media/js/standalone/libs/gamedev_assets/robowalk/robowalk17.png', 'http://www.udacity.com/media/js/standalone/libs/gamedev_assets/robowalk/robowalk18.png'];
var frames = [];
var imgNum=0;
var loaded=new Array();
var done=false;
var onImageLoad = function(){ // console.log("IMAGE "+imgNum+"!!!"); loaded[imgNum]=true; canvas.width=canvas.width; context.drawImage(frames[imgNum], xCoord, yCoord); imgNum++;
};
var setup = function() { body = document.getElementById('body'); canvas = document.createElement('canvas'); context = canvas.getContext('2d'); canvas.width = 500; canvas.height = 500; canvas.style.backgroundColor= backGroundCol; body.appendChild(canvas); canvas.setAttribute("tabIndex",1); canvas.focus(); document.addEventListener('keydown', downKey, false); document.addEventListener('keyup', upKey, false); // Load each image URL from the assets array into the frames array // in the correct order. // Afterwards, call setInterval to run at a framerate of 30 frames // per second, calling the animate function each time. // YOUR CODE HERE _LOAD_THR_=setInterval(function(){LoaderThread()}, 0);
};
var animating=false;
var animate = function(){ // Draw each frame in order, looping back around to the // beginning of the animation once you reach the end. // Draw each frame at a position of (0,0) on the canvas. // YOUR CODE HERE if(animating || done!=true)return; animating=true; if(imgNum>=frames.length)imgNum=0; canvas.width=canvas.width; offsetMover(); xCoord+=xDirection; if(!(xCoord>=0 && xCoord<(500-83))) xDirection*=-1; yCoord+=yDirection; if(!(yCoord>=0 && yCoord<(500-83))) yDirection*=-1; context.drawImage(frames[imgNum], xCoord, yCoord); imgNum++; animating=false;
};
function upKey(event)
{ var scanCode=event.keyCode; if(scanCode==38)//Up UPACTIVE=false; if(scanCode==40)//Down DOWNACTIVE=false; if(scanCode==37)//Left LEFTACTIVE=false; if(scanCode==39)//Right RIGHTACTIVE=false; if(!done) offsetMover(); event.preventDefault(); return false;
}
function downKey(event)
{ var scanCode=event.keyCode; if(scanCode==38)//Up UPACTIVE=true; if(scanCode==40)//Down DOWNACTIVE=true; if(scanCode==37)//Left LEFTACTIVE=true; if(scanCode==39)//Right RIGHTACTIVE=true; if(!done) offsetMover(); event.preventDefault(); return false;
}
function offsetMover()
{ if(UPACTIVE)//Up { if(yCoord>=0) { yDirection=-1; yCoord+=yDirection; } } if(DOWNACTIVE)//Down { if(yCoord<(500-83)) { yDirection=1; yCoord+=yDirection; } } if(LEFTACTIVE)//Left { if(xCoord>=0) { xDirection=-1; xCoord+=xDirection; } } if(RIGHTACTIVE)//Right { if(xCoord<(500-83)) { xDirection=1; xCoord+=xDirection; } }
}
var loading=false;
function LoaderThread()
{ if(loading)return; loading=true; if(imgNum>=assets.length) { imgNum=0; clearInterval(_LOAD_THR_); done=true; for(var x=0; x<assets.length; x++) done&=loaded[x]; } if(loaded[imgNum]!=true && frames[imgNum]==undefined) { frames[imgNum]=new Image(); frames[imgNum].onload=onImageLoad; frames[imgNum].src=assets[imgNum]; } loading=false;
}
var _LOAD_THR_=null;
var _ANIM_THR_=null;
_ANIM_THR_=setInterval(animate, 1000/30);
Walking Bot - Udacity CS255 - Script Codes
Walking Bot - Udacity CS255 - Script Codes
Home Page Home
Developer Oliver Schafeld
Username schafeld
Uploaded October 05, 2022
Rating 3
Size 3,036 Kb
Views 28,336
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