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JavaScript - Game Movement Problems.
Hey guys, I just started to create my first Javascript game. It is a platformer and i just cant figure out how to do the movement. ATM my "character" is just a black rectangle. Here is my code. I have not been able to find the bug.
var c = document.getElementById("mainCanvas"); var ctx = c.getContext("2d"); var level1 = new Image(); level1.src = "Textures/level1.png" level1.addEventListener("load", function() {ctx.drawImage(level1, 0,0,1024,1024) ctx.fillRect(playerX, playerY, 55, 118)}) //Charecter Position var playerX = 512 var playerY = 512 //Render function playerRender() {ctx.fillRect(playerX, playerY, 55, 118)} window.addEventListener("keydown", function(evt){ if (evt.keycode == 87) {playerY-=10} }) var RenderPlayerInterval = setInterval(playerRender() ,10) Reply With Quote 01-25-2015, 12:34 AM #2 Old Pedant View Profile View Forum Posts Supreme Master coder! Join Date Feb 2009 Posts 28,310 Thanks 82 Thanked 4,754 Times in 4,716 Posts Code: ctx.fillRect(playerX, playerY, 55, 118)}) //Charecter Position var playerX = 512 var playerY = 512 When you *CALL* that fillRect, neither playerX nor playerY has yet been defined! SO you are essentially doing Code: ctx.fillRect( null, null, 55, 118) And where are the semicolons on the end of EACH LINE. Yes, I know they aren't required. But put them in. It will save you from grief someday. Similar TutorialsHow could you say make a x move around a grid using the arrow keys?
Hi all, I am working on a hangman game and have got myself into a bit of muddle with designing the function that prompts the user to enter a letter and then checks it hasn't already been entered, if it has it asks them to enter a different letter. I basically want each letter that is entered to be added to the var allGuesses, then each new entry should be compared against this - however it's not looping at the moment and I don't really know where to go from here.. Am I close? Or miles off? function getInput(aString) { var allGuesses = ''; var inputCharacter = window.prompt("Pick a single lower-case character", "") while (inputCharacter == allGuesses.indexOf(-1)) { reInputCharacter = window.prompt("You have picked " + inputCharacter + " already. Pick another single lower-case character", "") } allGuesses = allGuesses + inputCharacter document.write(allGuesses) } Any advice would be much appreciated! import java.util.Scanner; import java.util.Arrays; /*********************************************************** * WordGuess game is a Hangman like game for two (or more) * players. This is a two player version *The game of Hangman involves one player making a word and a second * player guessing the word by guessing each letter in turn. If the guessing *player cannot get it in 6 (or so depending on the version) tries, the other *player wins. If the guesser gets it in the requisite number of tries, then the *guesser wins. This is a variant of the Hangman game involving two players *guessing against each other. * * * @author JavaFish * @I can't seem to get my loop working....it's not behaving like i want it to. ***********************************************************/ public class WordGuess { private Scanner kb; // use for all keyboard entry private Player player1; // first player private Player player2; // second player private WordBank wordList; // the dictionary to use /* alternate instance variable for the players deactivate the individual players if you choose to use this version. */ // private Player[] players; /********************************************************* * Explicit value constructor that builds a random dictioinary * * @param player1 The name of player1 * @param player2 The name of player2 ********************************************************/ public WordGuess(String player1, String player2) { wordList = new WordBank(); wordList.getWord(); this.player1 = new Player(player1); this.player2 = new Player(player2); } /********************************************************* * Explicit value constructor that builds a seeded dictioinary * * @param player1 The name of player1 * @param player2 The name of player2 * @param seed The seed to pass to WordBank constructor ********************************************************/ public WordGuess(String player1, String player2, long seed) { wordList = new WordBank(); wordList.getWord(); this.player1 = new Player(player1); this.player2 = new Player(player2); } /********************************************************* * play game plays the game until one player reaches 10 wins *********************************************************/ public void playGame() { boolean loopControl; boolean loopControlOne; boolean loopControlTwo; boolean playerTurn; boolean startOver; String playerInput; char playerCheck; String checkProgress; String checkGuess; String word; char[] dashes; char[] wordLetters; char[] lettersGuessed; kb = new Scanner(System.in); startOver = true; loopControl = true; playerTurn = true; System.out.printf("Welcome to Word Guess %s and %s\n\n", player1.getName(), player2.getName()); if (loopControl) { startOver = true; word = wordList.getWord(); dashes = new char[word.length()]; wordLetters = new char[word.length()]; lettersGuessed = new char[6]; for(int i = 0; i < word.length(); i++) { dashes[i] = ('-'); wordLetters[i] = word.charAt(i); } System.out.print('-'); if(startOver) { checkGuess = new String(lettersGuessed); checkProgress = new String(dashes); loopControlOne = true; loopControlTwo = true; if(playerTurn) { loopControlOne = false; } if (loopControlOne) checkGuess = new String(lettersGuessed); checkProgress = new String(dashes); playerTurn = true; { for(int i = 0; i < word.length(); i++) { System.out.print(dashes[i]); } System.out.print("\nUsed letters: "); for(int i = 0; i < 6; i++) { if(lettersGuessed[i] != 0) { System.out.print(lettersGuessed[i] + " "); } } System.out.printf("\n%s, guess a letter. ", player1.getName()); // Gets the players input and assigns it to variable playerInput playerInput = kb.nextLine(); playerCheck = playerInput.charAt(0); playerInput = new String("" + playerCheck); System.out.println(); for(int i = 0; i < word.length(); i++) { if(playerCheck == wordLetters[i]) { dashes[i] = playerCheck; } } if(checkGuess.contains(playerInput)) { System.out.printf("%s is already guessed. %s, you lose your turn.\n", playerInput, player1.getName()); loopControlOne = false; } else if(word.contains(playerInput)) { for(int i = 0; i < word.length(); i++) { if(wordLetters[i] == playerCheck) { dashes[i] = playerCheck; } } if(checkProgress.contains("-")) { System.out.printf("Correct: %s go again.\n", player1.getName()); for(int i = 0; i < 6; i++) { if(lettersGuessed[i] != 0) { lettersGuessed[i] = playerCheck; i = 6; } Arrays.sort(lettersGuessed); } } else { System.out.printf("Correct. %s you win a point!\n", player1.getName()); System.out.println(word); player1.iWon(); System.out.printf("%s: %d\t%s: %d\n\n", player1.getName(), player1.getScore(), player2.getName(), player2.getScore()); startOver = false; if(player2.getScore() == 5 || player1.getScore() == 5) { System.out.print("Game over. %s wins!\n"); loopControl = false; loopControlTwo = false; } // Set up new loop that clears everything. } } else { System.out.printf("Incorrect. %s, you lose your turn.\n", player1.getName()); loopControlOne = false; for(int i = 0; i < 6; i++) { if(lettersGuessed[i] == 0) { lettersGuessed[i] = playerCheck; i = 6; } Arrays.sort(lettersGuessed); } } } if (loopControlTwo) { checkGuess = new String(lettersGuessed); checkProgress = new String(dashes); playerTurn = true; for(int i = 0; i < word.length(); i++) { System.out.print(dashes[i]); } System.out.print("\nUsed letters: "); for(int i = 0; i < 6; i++) { System.out.print(lettersGuessed[i] + " "); } System.out.printf("%s, guess a letter. ", player2.getName()); // Gets the players input and assigns it to variable playerInput playerInput = kb.nextLine(); playerCheck = playerInput.charAt(0); playerInput = new String("" + playerCheck); for(int i = 0; i < word.length(); i++) { if(playerCheck == wordLetters[i]) { dashes[i] = playerCheck; } } if(checkGuess.contains(playerInput)) { System.out.printf("%s is already guessed. %s, you lose your turn.\n", playerInput, player1.getName()); loopControlTwo = false; } else if(word.contains(playerInput) && checkProgress.contains("-")) { { System.out.printf("Correct: %s go again.\n", player2.getName()); for(int i = 0; i <6; i++) { if(lettersGuessed[i] != 0) { lettersGuessed[i] = playerCheck; i = 6; } } Arrays.sort(lettersGuessed); } } else if(word.contains(playerInput)) { System.out.printf("Correct. %s you win a point!\n", player1.getName()); System.out.println(word); player1.iWon(); System.out.printf("%s: %d\t%s: %d\n\n", player2.getName(), player2.getScore(), player1.getName(), player1.getScore()); loopControlTwo = false; if(player2.getScore() == 0 || player1.getScore() == 0) { System.out.print("Game over. %s wins!\n"); loopControl = false; } } else { System.out.print("Incorrect. %s, you lose your turn.\n"); loopControlTwo = false; for(int i = 0; i < 6; i++) { if(lettersGuessed[i] == 0) { lettersGuessed[i] = playerCheck; i = 6; } Arrays.sort(lettersGuessed); } } } } } } } I'm developing a simple game that involves a system of interconnected nodes with unidirectional travel between nodes (similar to the circulation system!). The goal of the game is to get from a starting node to an ending node, which can be a variable number of nodes away. The program picks a random starting point, then randomly chooses one of its connecting nodes (cNodes) and pushes it onto a pathArray. A cNode is randomly chosen from this new node and it is pushed onto the pathArray. This continues for a designated number of turns, thus generating a pathArray (invisible to the player). The last element in the pathArray is the endNode and the goal of the puzzle. At each node the player is given two options of travel (though there may be more than two ways to go). One of these options MUST be the correct way if the player has not deviated from the path up until that point. If the player has deviated, this option can be any cNode. The other node is any cNode that does not lead to the endNode. The following code contains a simplified list of nodes that represents the content in my game. The function, however, is taken word for word. In this snippet, the pathArray & startNode have already been generated and I am trying to resolve how to assign "nodeChoice" as either the correct direction of travel (for a player on the correct path) or any random cNode (for a player who has deviated from the path). Keep in mind that the pathArray and cNodes lengths can be any size. Code: <script>
//NODES:
var nodeA = {name:"A"};
var nodeB = {name:"B"};
var nodeC = {name:"C"};
var nodeD = {name:"D"};
var nodeE = {name:"E"};
var nodeF = {name:"F"};
var nodeG = {name:"G"};
var nodeH = {name:"H"};
var nodeI = {name:"I"};
var nodeJ = {name:"J"};
var nodeK = {name:"K"};
//An array of all nodes in the system:
var systemArray = [nodeA, nodeB, nodeC, nodeD, nodeE, nodeF, nodeG, nodeH, nodeI, nodeJ, nodeK];
//Connecting Nodes (cNodes):
//(uni-directional, but cyclical)
nodeA.cNodes = [nodeB, nodeC];
nodeB.cNodes = [nodeD, nodeE, nodeF];
nodeC.cNodes = [nodeF, nodeG];
nodeD.cNodes = [nodeI, nodeH];
nodeE.cNodes = [nodeJ];
nodeF.cNodes = [nodeK];
nodeG.cNodes = [nodeK];
nodeJ.cNodes = [nodeA];
nodeK.cNodes = [nodeA];
nodeI.cNodes = [nodeA];
nodeH.cNodes = [nodeA];
//The path chosen (generated from code not included here)
var pathArray = [nodeA, nodeB, nodeE, nodeJ];
//nodeChoice will represent a cNode from any given node
var nodeChoice;
//chooseNode is supposed to assign nodeChoice the next element in pathArray if the player on on the right path (if at nodeB, nodeChoice = nodeE).
//However, if the user has taken a different path, its cNodes will not be in pathArray in which case a random cNode is assigned to nodeChoice
function chooseNode(_node) {
//check each cNode to see if any are in pathArray
for (var j = 0; j < _node.cNodes.length; j++) {
//if a cNode is in pathArray, then we know to assign it nodeChoice...
if (_node.cNodes[j] in pathArray) {
nodeChoice = _node.cNodes[j];
console.log("choiceNode CORRECT: " + nodeChoice.name); //(for debugging purposes only)
}
//...otherwise don't do anything in this forLoop/ifStatement
};
//if by this point nodeChoice is still undefined, meaning none of the current node's cNodes are in pathArray, assign it any one of its cNodes.
if (nodeChoice == undefined) {
nodeChoice = _node.cNodes[Math.floor(Math.random()* _node.cNodes.length)];
console.log("choiceNode INCORRECT: " + nodeChoice.name);//(for debugging purposes only)
};
};
//Runtime:
chooseNode(nodeB);
//Result should be only nodeE.name since nodeD is not in the pathArray...
console.log(nodeChoice.name);
</script>
...however, nodeChoice is assigned either D, E or F randomly and we are given the troubleshooting statement "choiceNode INCORRECT: D (or) E (or) F", indicating that the if-in statement is always ignored. I know that the if-in statement doesn't work but am not sure how else to write it so that each cNode is compared the each element in pathArray, both of which can be of variable lengths... Anyone know of a good tutorial for making an object move repeatedly while a key is held down (ie move right 1px every second while right arrow key is held?)
Hi to all, I am newbie in JS, and I hope that you can help with one javascript I am trying to use my function for move of image on menu the function JS function is Code: var start0l = document.getElementById('arrow1').offsetLeft, maxPoz0, timer0;
function StartPosun(imgId, maxPoz) {
clearTimeout(timer0);
maxPoz0 = maxPoz;
document.getElementById(imgId).style.left = start0l + 'px';
timer0 = setTimeout("posun0()", 1);
}
function ReturnPosun(imgId) {
clearTimeout(timer0);
timer0 = setTimeout("ret0()", 1);
}
function ret0() {
if ((document.getElementById('arrow1').offsetLeft - start0l) > 0) {
document.getElementById('arrow1').style.left = (parseInt(document.getElementById('arrow1').style.left) - 1) + 'px';
timer0 = setTimeout("ret0()", 3);
}
}
function posun0() {
if ((document.getElementById('arrow1').offsetLeft - start0l) <= maxPoz0) {
document.getElementById('arrow1').style.left = (parseInt(document.getElementById('arrow1').style.left) + 1) + 'px';
timer0 = setTimeout("posun0()", 3);
}
}
and the html is Code: <ul><li class="l1">
<a onmouseout="ReturnPosun('arrow1')" onmouseover="StartPosun('arrow1',15)" title="Aktuality" href="?cz_aktuality,22">
Aktuality
<img style="position: absolute; left: 306px;" alt="Aktuality" src="templates/img/menu_arrow.png" id="arrow1">
</a><ul class="sub1"><li class="l1">
<a onmouseout="ReturnPosun('arrow1')" onmouseover="StartPosun('arrow1',15)" title="AKCE: Bike Music Fest 2011" href="?cz_akce-bike-music-fest-2011,34">
AKCE: Bike Music Fest 2011
<img style="position:absolute;" alt="AKCE: Bike Music Fest 2011" src="templates/img/menu_arrow.png" id="arrow1">
</a>
</li><li class="l2">
<a onmouseout="ReturnPosun('arrow2')" onmouseover="StartPosun('arrow2',15)" title="AdventureMenu v prodejně TOURATECH CZ" href="?cz_adventuremenu-v-prodejne-touratech-cz,33">
AdventureMenu v prodejně TOURATECH CZ
<img style="position: absolute; left: 306px;" alt="AdventureMenu v prodejně TOURATECH CZ" src="templates/img/menu_arrow.png" id="arrow2">
</a>
</li><li class="lL">
<a onmouseout="ReturnPosun('arrowL')" onmouseover="StartPosun('arrowL',15)" title="TOURATECH TravelEvent 2011" href="?cz_touratech-travelevent-2011,32">
TOURATECH TravelEvent 2011
<img style="position: absolute; left: 306px;" alt="TOURATECH TravelEvent 2011" src="templates/img/menu_arrow.png" id="arrowL">
</a>
</li></ul>
</li><li class="l2">
<a onmouseout="ReturnPosun('arrow2')" onmouseover="StartPosun('arrow2',15)" title="O produktu" href="?cz_o-produktu,31">
O produktu
<img style="position:absolute;" alt="O produktu" src="templates/img/menu_arrow.png" id="arrow2">
</a>
</li><li id="selected" class="l3">
<a onmouseout="ReturnPosun('arrow3')" onmouseover="StartPosun('arrow3',15)" title="E-shop" href="?cz_e-shop,25">
E-shop
<img style="position: absolute; left: 306px;" alt="E-shop" src="templates/img/menu_arrow.png" id="arrow3">
</a>
</li><li class="l4">
<a onmouseout="ReturnPosun('arrow4')" onmouseover="StartPosun('arrow4',15)" title="Samoohřev" href="?cz_samoohrev,23">
Samoohřev
<img style="position: absolute; left: 306px;" alt="Samoohřev" src="templates/img/menu_arrow.png" id="arrow4">
</a>
</li><li class="l5">
<a onmouseout="ReturnPosun('arrow5')" onmouseover="StartPosun('arrow5',15)" title="Partneři" href="?cz_partneri,21">
Partneři
<img style="position: absolute; left: 306px;" alt="Partneři" src="templates/img/menu_arrow.png" id="arrow5">
</a>
</li><li class="lL">
<a onmouseout="ReturnPosun('arrowL')" onmouseover="StartPosun('arrowL',15)" title="Kontakty" href="?cz_kontakty,24">
Kontakty
<img style="position:absolute;" alt="Kontakty" src="templates/img/menu_arrow.png" id="arrowL">
</a>
</li></ul>
and the problem is, that I can move with the first one, but I don't how I can move with the others like alone function I thought that I can use somethink like if (onmouseover == true) .... but I failed can someone hellp with this problem pls? Hi, I want the image in the header of my website to move from left to right and back in an endless loop. The image width is larger than the width of the div which contains the image, so when the image moves to the right, the right end of the image has to disappear. When the image moves back to the left, the left end has to disappear. Now I know I can use the overflow: hidden; element in the CSS file to hide a part of the image. I found already several javascript scripts to move an image over the screen, but these scripts move the image only in 1 direction. I need it to go in the 2 directions in loop. Also these scripts require a position: relative; element to the image, so the hidden overflow of the div doesn't work. An example of this kind of script: Code: <body onload="moveRight()">
<div id="header" style="width: 1010px;height: 170px;overflow: hidden;">
<img src="images/header.jpg" id="header" style="position:relative;top:0px;left:0px; ">
</div>
<script type="text/javascript">
var userWidth = window.screen.width;
function moveRight() {
var pp = document.getElementById("header");
var lft = parseInt(pp.style.left);
var tim = setTimeout("moveRight()",100); // 100 controls the speed
lft = lft+3; // move by 3 pixels
pp.style.left = lft+"px";
if (lft > 50) { // left edge of image past the right edge of screen
pp.style.left = 0; // back to the left
}
}
</script>
</body>
Is there any way to improve this script to my requirements, or am I completely looking in the wrong direction? Heres what I did Created 4 variables 1 - to get which direction the person is pressing (leftright) 2 - if the person is pressing up 3 - to set a direction when a person is pressing any buttons 4 - for images I made every .05 seconds there should be a check on the conditions for buttons pressed and where the picture is. Aptana didn't find any errors and personally, I don't like using the program anyway because it makes me feel overwhelmed If someone could help me pick out the peice that is wrong, that would be nice should I use the preload as my image source, or keep it as imgs? Code: var yvel, i, imgs, updown, ground, reft, leftright, MAX_X, MAX_Y, MIN_X;
MAX_X = 500 /* parseInt(game.style.width) + parseInt(game.style.left); */
MIN_X = 300 /* parseInt(game.style.left); */
MAX_Y = 900 /* parseInt(game.style.height) + parseInt(game.style.top); */
updown = 0;
leftright = 0;
ground = 0;
reft = 1;
yvel = 0;
function init(){
var guy = document.getElementById("guy");
imgs=["stand.png", "standleft.png", "jump.png", "jumpleft.png", "walk.png", "walkleft.png", "finishjump.png", "finishleft.png"];
var preload = new Array();
for(i=0; i<imgs.length; i++) {
preload[i]= new Image();
preload[i].src = imgs[i];
}
i = 0;
document.onkeydown=keyDown;
document.onkeyup=keyUp;
movesprite();
}
function movesprite(hori, vert){
var game = document.getElementById("game");
x = parseInt(guy.style.left);
y = parseInt(guy.style.top);
if (ground = 0) {
yvel += 3;
if (hori == 1) { x += 1; right(1); reft = 1; }
if (hori == -1) { x += -1; left(1); reft = 0; }
if (hori == 0) { stand(1); }
}else {
if (hori == 1) { x += 3; right(0); reft = 1; }
if (hori == -1) { x += -3; left(0); reft = 0; }
if (hori == 0) { stand(0); }
if (vert == 1) { yvel += -15; jump(); }
}
checkBounds();
guy.style.left = x + "px";
guy.style.top = y + "px";
setTimeout("movesprite(updown,leftright)", 50);
}
function checkBounds(){
if (x >= MAX_X)
{x = MAX_X;}
if (x <= MIN_X)
{x = MIN_X}
if (y + yvel >= MAX_Y)
{y = MAX_Y; ground = 1;}
else {ground = 0; y += yvel;}
}
function jump(){
if (reft == 1) {guy.src = imgs[2];}
else {guy.src = imgs[3];}
}
function left(ground){
if (ground == 1) {
if (guy.src == imgs[1]) {guy.src = imgs[5];}
else {guy.src = imgs[1];}
}else {guy.src = imgs[7];}
}
function right(ground){
if (ground == 1) {
if (guy.src == imgs[0]) {guy.src = imgs[4];}
else {guy.src = imgs[0];}
}else {guy.src = imgs[6];}
}
function stand(ground){
if (ground == 1) {
if (reft == 1) {guy.src = imgs[0];}
else {guy.src = imgs[1];}
}else {
if (reft == 1) {guy.src = imgs[6];}
else {guy.src = imgs[7];}
}
}
function keyDown(e){
if (e.keyCode == 37) {leftright = -1;} /*left*/
if (e.keyCode == 38) {updown = 1;} /*up*/
if (e.keyCode == 39) {leftright = 1;} /*right*/
/* if(e.keyCode == 40) is down */
}
function keyUp(e){
if (e.keyCode == 37) {leftright = 0;}
if (e.keyCode == 38) {updown = 0;}
if (e.keyCode == 39) {leftright = 0;}
}
onload=init;
Hello everyone,im new to programming and have been learning a little bit of JavaScript.Im mostly learning it for a program called unity 3d,Its a game engine.And well,im stuck and can't figure this part out.i was wondering if anyone could help me. the script is to make the character move forward and shoot.but the character jumps instead of moving forward. any advice? Code: var speed = 3.0;
var rotateSpeed = 3.0;
var bullitPrefab:Transform;
function Update ()
{
var controller : CharacterController = GetComponent(CharacterController);
// Rotate around y - axis
transform.Rotate(0, Input.GetAxis ("Horizontal") * rotateSpeed, 0);
// Move Forward / backward
var forward = transform.TransformDirection(Vector3.forward);
var curSpeed = speed * Input.GetAxis ("Vertical");
controller.SimpleMove(forward * curSpeed);
if(Input.GetButtonDown("Jump"))
{
var bullit = Instantiate(bullitPrefab, GameObject.Find("spawnPoint").transform.position,
Quaternion.identity);
}
}
@script RequireComponent(CharacterController);
Hi, I'm a beginner in web programming so please, don't mind if this might look as a dum request. I need an image to move from outside the viewed space, from somwhere on the page where users cannot hav acces, let's say from x position of -439px to 0px, so that the image looks like entering the window. And I need to do this after the user clicks a piece of text that is already on the screen. How can I do that ? In what tag should I include the image ? where should I put de event handler/ listener ? I know I need to change the CSS atributes but how. I tried this and it didn't work in Firefox nor in IE. Code:
THE HTML FILE
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>Greenbrain</title>
<script language="javascript" type="text/javascript" src="greenbrain.js"></script>
<link rel="stylesheet" type="text/css" href="greenbrain.css">
</head>
<body>
<div id=int; onClick="intr()"> <h1 class="intrare">INTRARE</h1> </div>
<div id=img_intrare> <img src="soare.png"; class="soare"> </div>
</body>
</html>
THE .CSS FILE
body {background-image:url(fondhome.png); position:fixed;}
img.soare {position:absolute; left:-459px; top:100px; z-index:1;}
h1.intrare {z-index:2}
THE .JS FILE
function intr()
{
var x, xi;
x=0;
xi=document.getElementById('img_intrare').style.left;
if(xi!=x) {document.getElementById('img_intrare').style.left = x + "px"}
}
ps: i've been trying for 4 days now to find out how to do this, the answer might be just under my nose but then, my nose would be to big and pidgeons would come and sit on it... Hello, I am trying to move each cell content from one table to another table. I do not want to lose the value of each cells in table1, but just to show how I got table2 from table1. I would like to show/animate the movement. So when the user clicks the button the data from table1 will scroll towards table2. I am new to HTML/javascript programming I really appreciate your help This is a simple basic game i want to make. Its a "What Am I" Riddle... The questions is (In HTML which i already know): I'm as light as a feather but no man can hold me for long. What am I? the answer is: Your Breath. (This is where the JAVASCRIPT comes in) Lets say they guess a rock, have a pop up say: Wrong Answer. Please try again. Lets say they guess Your breath -OR- Breath, have a pop up say: Correct! I want a text field where you can enter your answer, and if they choose ANYTHING but the 2 correct answers above, it will display please try again. Can anyone code this please? Thanks for reading. Ok so i want to work on an EASY basic game. As simple as Guess what number... But there are some twist... Ok So here is my example... (HTML, i know this.)I'm Guessing a number 1-99. What is it? (java) Lets say its 66 and they guess 53, have the text rusult be in a pop up window be: Too low! (java) Lets say they guess 78, have the text rusult be in a pop up window be: Too high! (java) Lets say they guess 100+, have the text rusult be in a pop up window be: Out of range! (java)But lets say they guess 66, have a text result be in a pop up window be: You've won! (java) I want a text field where you can enter your answer, and it will do the actions above. Can anyone code this? Thanks for reading! I have a game page on my site and I am trying to protect direct access to it by .htaccess .htpasswd but is not accepting user name and password? .htaccess: AuthUserFile /home/vhosts/kandcoentertainment.freetzi.com/.htpasswd AuthType Basic AuthName "game1" <Files "cookietest.html"> Require valid-user </Files> .htpasswd test:8888 Any suggestions on why it is not working? What I would like to do is have apay and play once setup but as I am a novice and dont have a clue HELP PLEASE!!! What I have been told is - protect the files, add a client side cookie to game page then upon url payment return validate cookie giving single access and when played the user cannot replay by refresh or just typing in url because cookie expired ? I have tried to write the scripts up with no success. Hello, I am trying to create a clock for my video game. I need to begin the clock at zero and count while the game is going. I need to have the clock count in standard minutes and seconds but not be based on the actual time of day. I am coding in javascript for an applet.
Hi, i made a game,where you controll a paddle to bounce back a ball and it hits the bricks on top. The problem is that my eventhandlers don't work after i've added delay function,to make a counter(counting from 3 to 1 before game starts). Any tips?Is it scope problem? Code: var ballx = 100;
var bally = 100; //coord x and y,radius of a ball
var ballr = 10;
var recx;
var recy; //coord x and y,width and height of a paddle
var recw = 100;
var rech = 15;
var dx = 2; //x coord step for animated movement of ball
var dy = 2; //y coord step for animated movement of ball
var rx = 5; //x coord step for animated movement of paddle
var WIDTH; //width of main canvas
var HEIGHT; //height of main canvas
var ctx; //drawn shape
var leftDown = false;
var rightDown = false; //keyboard arrow buttons
var upDown = false;
var downDown = false;
var mouseXmin;
var mouseXmax;
var intervalId;
var bricks;
var NROWS;
var NCOLS;
var BRICKWIDTH;
var BRICKHEIGHT;
var PADDING;
var y=4;
window.addEventListener("load",init,false); //event for loading main func
window.addEventListener("keydown",buttonpressed,false); //event for checking if button is pressed
window.addEventListener("keyup",buttonreleased,false); //event to check if button is released
window.addEventListener("mousemove",mousemoved,false); //event for controlling paddle with mouse movement
function init_mouse(){ //initialize coord for mouse movement
mouseXmin = document.getElementById('can').offsetLeft;
mouseXmax = mouseXmin + (WIDTH-recw); //doesn't work that pretty...check?
}
function init_bricks(){ //initialize bricks
NROWS = 5;
NCOLS = 3;
BRICKWIDTH = (WIDTH/NCOLS) - 1;
BRICKHEIGHT = 15;
PADDING = 1;
bricks = new Array(NROWS);
for(i=0; i<NROWS; i++){
bricks[i] = new Array(NCOLS);
for(j=0; j<NCOLS; j++){
bricks[i][j] = 1;
}
}
}
function mousemoved(e){ //function that enables movement of paddle with mouse
if(e.pageX > mouseXmin && e.pageX < mouseXmax) recx = e.pageX ;//- mouseXmin; <---why would you need that?Movement is bugyy! FIX:)
}
function buttonpressed(e){ //to check if any of keyboard arrow buttons are pressed
if(e.which==37) { leftDown = true; }
if(e.which==39) { rightDown = true; }
if(e.which==40) { upDown = true; }
if(e.which==38) { downDown = true; }
}
function buttonreleased(e){ //function to check if button up,down,left or right is released
if(e.which==37) { leftDown = false; }
if(e.which==39) { rightDown = false; }
if(e.which==40) { upDown = false; }
if(e.which==38) { downDown = false; }
}
function clear(){ //function to clear the stage
ctx.clearRect(0,0,800,600);
}
function circle(x,y,r){ //function to draw circle shape
ctx.beginPath();
ctx.arc(x,y,r,0,Math.PI*2,true);
ctx.closePath();
ctx.fill();
}
function rect(x,y,w,h){ //function to draw rectangle shape
ctx.beginPath();
ctx.rect(x,y,w,h);
ctx.closePath();
ctx.fill();
}
function checkforCoallision(){ //checks for borders of main canvas and if ball hits the paddle
if(ballx + dx > WIDTH-ballr || ballx + dx < ballr) dx = -dx;
if(bally + dy < ballr ) dy = -dy;
else if (bally + dy > HEIGHT - ballr){
if(ballx + ballr > recx && ballx + ballr < recx + recw)
dy = -dy;
else {clearInterval(intervalId); alert('Game Over,Baby!');} bounce();}
}
function draw(){ //function that draws the desired shapes and animates them
clear(); //clears the main canvas,so the animation would look smooth
checkforCoallision(); //checks for borders of main canvas and if ball hits the paddle
if(leftDown) recx -= rx; //enables movement of paddle right and left
if(rightDown) recx += rx;
for(i=0; i<NROWS; i++){ //drawing bricks
for(j=0; j<NCOLS; j++){
if(bricks[i][j] == 1) { //checking if brick exists
rect(j * (BRICKWIDTH+PADDING)+PADDING,i * (BRICKHEIGHT+PADDING) + PADDING, BRICKWIDTH, BRICKHEIGHT)
}
}
}
//have we hit a brick?
rowheight = BRICKHEIGHT + PADDING;
colwidth = BRICKWIDTH + PADDING;
row = Math.floor(bally/rowheight);
col = Math.floor(ballx/colwidth);
//if so, reverse the ball and mark the brick as broken
if (bally < NROWS * rowheight && row >= 0 && col >= 0 && bricks[row][col] == 1) {
dy = -dy;
bricks[row][col] = 0;
}
circle(ballx,bally,ballr);
rect(recx,recy,recw,rech);
ballx += dx;
bally += dy;
}
/* function init(){
ctx = document.getElementById('can').getContext('2d');
WIDTH = document.getElementById('can').offsetWidth ; //gets the width of main canvas
HEIGHT = document.getElementById('can').offsetHeight ; //gets the height of main canvastto
recx = WIDTH / 2; //setting the coord x of a paddle
recy = HEIGHT - rech; //setting the coord y of a paddle
init_mouse();
init_bricks();
intervalId = setInterval(draw,10); //calls draw func on desired interval,which is represented by number next to it
return intervalId;
} */
function delay() {
if(y<=0) {
document.getElementById('content2').innerHTML = "<canvas id='can' width='300' height='300'>This text is displayed if your browser does not support HTML5 Canvas.</canvas>";
ctx = document.getElementById('can').getContext('2d');
WIDTH = document.getElementById('can').offsetWidth ; //gets the width of main canvas
HEIGHT = document.getElementById('can').offsetHeight ; //gets the height of main canvastto
recx = WIDTH / 2; //setting the coord x of a paddle
recy = HEIGHT - rech; //setting the coord y of a paddle
init_mouse();
init_bricks();
intervalId = setInterval(draw,10); //calls draw func on desired interval,which is represented by number next to it
return intervalId;
}
else {
Object = document.getElementById('content2');
y = y - 1;
Object.innerHTML = "<div style='text-align:center;width:25em;margin: 0px auto;height:100px;position:absolute;top:50%;margin-top:-50px;'>"+y+"</div>";
setTimeout("delay()", 1000);}
}
What I'm trying to achieve is it initialises a number between 1-2000 randomly. When the submit button is clicked it simply returns if the number that is in putted is higher or lower than the randomly initialised number. External JavaScript: Html Code: <html>
<head>
<script type="text/javascript" src="jsscri.js"></script>
</head>
<body onload="initialisation ()">
<form name="exampleform">
<h3>
Number: <input name="number" type="text"
onchange='checkNumber( this.value );'>
</h3>
<p>
<input name="submit" type="button" value="Guess"
onclick= 'checkValue()';/>
</p>
</body>
</html>
If you load this onto a webpage you'll see what i'm trying to do. I tried deleting the rest of the code to keep the size of the code down. Hi every1! Got a task in university to make a memory game (card matching game). Thats what i've got so far: Code: var selected = 0;
var choiceOne;
var choiceTwo;
var matches = 0;
var numOfTries = 0;
var interval = 700;
var gamePlace = document.getElementById("wrap");
var backcard="img/memoryBg.png";
var timeStart;
var timeFinish;
var time;
function nameEnter(){
var name = prompt("Please enter your name");
if (name != null){
document.title =
"Welcome " + name + "!";
}
}
function game(){
var nOfPairs = document.getElementById("nPairs").value;
timeStart = new Date().getTime();
if (nOfPairs==1){
var cards=[];
cards[0] = 'img/card1.png';
cards[1] = 'img/card1.png';
}
if (nOfPairs==2){
var cards=[];
cards[0] = 'img/card1.png';
cards[1] = 'img/card1.png';
cards[2] = 'img/card2.png';
cards[3] = 'img/card2.png';
cards.sort(function shuffle(){
return Math.random() - 0.5;});
}
if (nOfPairs==3){
var cards=[];
cards[0] = 'img/card1.png';
cards[1] = 'img/card1.png';
cards[2] = 'img/card2.png';
cards[3] = 'img/card2.png';
cards[4] = 'img/card3.png';
cards[5] = 'img/card3.png';
cards.sort(function shuffle(){
return Math.random() - 0.5;});
}
if (nOfPairs==4){
var cards=[];
cards[0] = 'img/card1.png';
cards[1] = 'img/card1.png';
cards[2] = 'img/card2.png';
cards[3] = 'img/card2.png';
cards[4] = 'img/card3.png';
cards[5] = 'img/card3.png';
cards[6] = 'img/card4.png';
cards[7] = 'img/card4.png';
cards.sort(function shuffle(){
return Math.random() - 0.5;});
}
if (nOfPairs==5){
var cards=[];
cards[0] = 'img/card1.png';
cards[1] = 'img/card1.png';
cards[2] = 'img/card2.png';
cards[3] = 'img/card2.png';
cards[4] = 'img/card3.png';
cards[5] = 'img/card3.png';
cards[6] = 'img/card4.png';
cards[7] = 'img/card4.png';
cards[8] = 'img/card5.png';
cards[9] = 'img/card5.png';
cards.sort(function shuffle(){
return Math.random() - 0.5;});
}
if (nOfPairs==6){
var cards=[];
cards[0] = 'img/card1.png';
cards[1] = 'img/card1.png';
cards[2] = 'img/card2.png';
cards[3] = 'img/card2.png';
cards[4] = 'img/card3.png';
cards[5] = 'img/card3.png';
cards[6] = 'img/card4.png';
cards[7] = 'img/card4.png';
cards[8] = 'img/card5.png';
cards[9] = 'img/card5.png';
cards[10] = 'img/card6.png';
cards[11] = 'img/card6.png';
cards.sort(function shuffle() {
return Math.random() - 0.5;});
}
if (nOfPairs==7){
var cards=[];
cards[0] = 'img/card1.png';
cards[1] = 'img/card1.png';
cards[2] = 'img/card2.png';
cards[3] = 'img/card2.png';
cards[4] = 'img/card3.png';
cards[5] = 'img/card3.png';
cards[6] = 'img/card4.png';
cards[7] = 'img/card4.png';
cards[8] = 'img/card5.png';
cards[9] = 'img/card5.png';
cards[10] = 'img/card6.png';
cards[11] = 'img/card6.png';
cards[12] = 'img/card7.png';
cards[13] = 'img/card7.png';
cards.sort(function shuffle(){
return Math.random() - 0.5;});
}
if (nOfPairs==8){
var cards=[];
cards[0] = 'img/card1.png';
cards[1] = 'img/card1.png';
cards[2] = 'img/card2.png';
cards[3] = 'img/card2.png';
cards[4] = 'img/card3.png';
cards[5] = 'img/card3.png';
cards[6] = 'img/card4.png';
cards[7] = 'img/card4.png';
cards[8] = 'img/card5.png';
cards[9] = 'img/card5.png';
cards[10] = 'img/card6.png';
cards[11] = 'img/card6.png';
cards[12] = 'img/card7.png';
cards[13] = 'img/card7.png';
cards[14] = 'img/card8.png';
cards[15] = 'img/card8.png';
cards.sort(function shuffle(){
return Math.random() - 0.5;});
}
if(nOfPairs>8||nOfPairs<1){
alert("Please enter the number from 1 to 8");
}else{
for(i = 0; i<=nOfPairs*2-1; i++){
var cardDiv = document.createElement("div");
cardDiv.setAttribute("id",""+i+"");
cardDiv.style.height="65px";
cardDiv.style.width="65px";
cardDiv.style.float='left';
gamePlace.appendChild(cardDiv);
document.getElementById(""+i+"").innerHTML='<img src="img/memoryBg.png">';
cardDiv.onclick=function(){cardClick(this.id);};
}
}
function cardClick(card){
if (selected==2){
return ;
}
if (selected==0){
choiceOne=card;
document.images[card].src = cards[card];
selected = 1;
}else {
selected = 2;
choiceTwo = card;
document.images[card].src =cards[card];
var timer=setInterval(checking,interval);
}
function checking()
{
clearInterval(timer);
numOfTries++;
document.getElementById("tries").innerHTML = numOfTries;
if (cards[choiceTwo]==cards[choiceOne]){
matches++;
document.images[choiceOne].src = "img/memoryBgI.png";
document.images[choiceTwo].src = "img/memoryBgI.png";
//choiceTwo.onclick=null;
} else {
document.images[choiceOne].src = "img/memoryBg.png";
document.images[choiceTwo].src = "img/memoryBg.png";
selected = 0;
return ;
}
if (matches == nOfPairs){
timeFinish = new Date().getTime();
time = Math.round (((timeFinish - timeStart)/1000));
alert("Congrats! You needed " + numOfTries + " tries, and " + time + " seconds.");
}
selected = 0;
return ;
}
}
}
so the problem is, that I can just click 2 times on one card and it will look like a coincidence. My second problem is that when I have a real coincidence, I can still click on that card (by "real coincidence" i mean two same pics. so when i find them, they have to be not active, and when im clicking on them, they should just simply do nothing.). Can someone help me? Hello everyone. I have a tic tac toe game I am working on and I managed to make it so you can place X's and O's respectively. My next problem is making a win condition so it checks to see if the X's won the game or the O's did. Here is what I have so far. Edit fiddle - JSFiddle What I am basically thinking is that when you are clicking I want whatever letter it is that is placed to be saved and then I can check to see if all 3 are equal to that letter. It is a bit hard to explain. Essentially I want to make a win condition. If anyone could throw some assistance my way that would be great. I know for sure it requires a lot of checks because there are so many different ways of winning, I just need to know that initial one. Thank you very much. |
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