Javascript slot machine code

Freecodecamp is a donor-supported tax-exempt 501(c)(3) nonprofit organization (united states federal tax identification number: 82-0779546) math.Pow(base, exponent) , where base is the base number and exponent is the number by which to raise the base .

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JavaScript Math Functions Explained, javascript slot machine code.

Javascript math functions explained

Math

Math is one of javascript's global or standard built-in objects, and can be used anywhere you can use javascript. It contains useful constants like π and euler’s constant and functions such as floor() , round() , and ceil() .

In this article, we'll look at examples of many of those functions. But first, let's learn more about the math object.

Example

The following example shows how to use the math object to write a function that calculates the area of a circle:

Math max

Math.Max() is a function that returns the largest value from a list of numeric values passed as parameters. If a non-numeric value is passed as a parameter, math.Max() will return nan .

An array of numeric values can be passed as a single parameter to math.Max() using either spread (. ) or apply . Either of these methods can, however, fail when the amount of array values gets too high.

Syntax

Parameters

Numbers, or limited array of numbers.

Return value

The greatest of given numeric values, or nan if any given value is non-numeric.

Examples

Array as parameter, using spread(…)

Array as parameter, using apply

Math min

The math.Min() function returns the smallest of zero or more numbers.

You can pass it any number of arguments.

Math PI

Math.PI is a static property of the math object and is defined as the ratio of a circle’s circumference to its diameter. Pi is approximately 3.14149, and is often represented by the greek letter π.

Examples

More information:

Math pow

Math.Pow() returns the value of a number to the power of another number.

Syntax

Math.Pow(base, exponent) , where base is the base number and exponent is the number by which to raise the base .

Pow() is a static method of math , therefore it is always called as math.Pow() rather than as a method on another object.

Examples

Math sqrt

The function math.Sqrt() returns the square root of a number.

If a negative number is entered, nan is returned.

Sqrt() is a static method of math , therefore it is always called as math.Sqrt() rather than as a method on another object.

Syntax

Math.Sqrt(x) , where x is a number.

Examples

Math trunc

Math.Trunc() is a method of the math standard object that returns only the integer part of a given number by simply removing fractional units. This results in an overall rounding towards zero. Any input that is not a number will result in an output of nan.

Careful: this method is an ecmascript 2015 (ES6) feature and thus is not supported by older browsers.

Examples

Math ceil

The math.Ceil() is a method of the math standard object that rounds a given number upwards to the next integer. Take note that for negative numbers this means that the number will get rounded “towards 0” instead of the number of greater absolute value (see examples).

Examples

Math floor

Math.Floor() is a method of the math standard object that rounds a given number downwards to the next integer. Take note that for negative numbers this means that the number will get rounded “away from 0” instead of to the number of smaller absolute value since math.Floor() returns the largest integer less than or equal to the given number.

Examples

An application of math.Floor: how to create a javascript slot machine

For this exercise, we have to generate three random numbers using a specific formula and not the general one. Math.Floor(math.Random() * (3 - 1 + 1)) + 1;

Another example: finding the remainder

Example

Usage

In mathematics, a number can be checked even or odd by checking the remainder of the division of the number by 2.

Note do not confuse it with modulus % does not work well with negative numbers.

Sorting algorithms explained

Git tag explained: how to list, create, remove, and show tags in git

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Javascript slot machine

Code for your new or existing gambling site

While talking about casinos and gambling, the first thought that comes into our mind is about a slot machine. After the advancement in technological, it is easy to start or integrate slot games online.

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At AIS technolabs, we offer a fully customizable javascript slot machine code as per the demand of our clients. Our esteemed developers provide various instructions needed for gaming system in different programming languages such as C, C++ as well as java. Moreover, we help our clients to build their javascript slot machine and that too at very affordable rates.

We are one of the leading javascript slot machine code providers that offer quality products and excellent game varieties for the gaming industry. Our skilled and professional developers are very innovative and creative those who have a complete understanding of online gaming and casino software. Furthermore, the client can hire and choose the best slot machine code developer from us for their gambling sites that develop custom slot machine codes according to their requirements. Our developed code will help our clients with all the essential information for playing safely and full of fun.

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Simple slot machine game using HTML5 part 1: basics

Here is overview on how to make simple slot machine with HTML5. This demonstrates the basic structure of HTML5 game and how to use dynamically created graphics.

Slot machine has typically reels with images and player just initiates the action and waits until reels stop. 1 or more in single line usually determine the winning condition. In this game player wins if he or she gets more than one gold bar in row.

Here is view of the game.

How it works

Slot machine is a single HTML page that includes the game code, webfont and jquery. When loaded it runs slotgame() function that initializes and runs the game.

HTML page has 3 narrow and tall HTML5 canvases, these are the reels. They are located inside div container “reels” that shows only a limited window at any time, hiding the rest of the canvases.

On initialization, game preloads the 6 image assets. Preloading is simply done by creating image object for each asset and listening its load event. Preloading is required, because otherwise game could not draw the reel canvases on initialization.

Game draws the pictures in random order on each canvas reel with shadow and slot separator bars.

The reels are not redrawn after this, but when moving they are simply translated with CSS3 transform downwards and when they reach threshold they are moved back to beginning. Threshold and reset offset is selected so that after the reset images are shown on same locations. This creates illusion of constantly rotating wheel. This is why images on borders are twice in the reel, so we avoid showing canvas bottom or top in any situation.
Click ‘toggle reels’ button on top left corner of the game page to toggle the reel visibility while it’s spinning, seeing reels in action makes explanation above much easier to understand

Here is image where reel container overflow is set to visible.

Game loop is simple, it starts when player clicks ‘play’ and runs on every animation frame updating the reel locations based on game state and “draws” them on screen, or actually as explained earlier just translates their locations. Result is predetermined on each roll start and when each reel stop, its locked on the correct image. Update loop tries to make this when correct image is close to this location, so the jump is not too abrupt (see function _check_slot in slot.Js for details).

Each browser has still different name for the transform so initialization code determines the correct CSS name and if browser has hardware accelerated 3d version.

: programming & web development community" width="264" height="110" src="//dreamincode.Net/home/images/logo_2012.Gif?V=3" />

(2 pages)

New topic/question

16 replies - 23607 views - last post: 07 january 2014 - 05:30 PM

#1 tezza

Slot machine

Posted 19 january 2009 - 05:52 AM

Hey guys, new here but been reading up on a few things and you all seem like a knowledgeable bunch.

My question begins here. Ive been searching for a javascript code to make a small game for my site. It consists of a slot machine with a variety of rewards.

Ive found a code which ive altered slightly however i cannot work out how to edit certain parts. For example here is the code

My question is, how can i change the results. As currently it works as if its 2 of a kind so if slot 1 = slot 3 then you get a multiple of 10 etc. I ideally want it so that it can be if a certain picture in slot 1 is the same as slot 2 then you get the multple of 10. Is this possible? And how? Ive tried altering code, which ended up not working at all.

Thanks for the help, and apologies for such a long winded newbie thread.

This post has been edited by tezza: 19 january 2009 - 06:03 AM

Simple slot machine game using HTML5 part 1: basics

Here is overview on how to make simple slot machine with HTML5. This demonstrates the basic structure of HTML5 game and how to use dynamically created graphics.

Here is view of the game.

How it works

Slot machine is a single HTML page that includes the game code, webfont and jquery. When loaded it runs slotgame() function that initializes and runs the game.

HTML page has 3 narrow and tall HTML5 canvases, these are the reels. They are located inside div container “reels” that shows only a limited window at any time, hiding the rest of the canvases.

Game draws the pictures in random order on each canvas reel with shadow and slot separator bars.

Here is image where reel container overflow is set to visible.

Each browser has still different name for the transform so initialization code determines the correct CSS name and if browser has hardware accelerated 3d version.

Html5 slot machine source code

For real online gambling

A slot game is one of the most popular gambling games that has attracted gambling lovers from quite some time, and HTML5 slot machine source code is a standard solution for the firms that are looking forward to developing an online slot machine kind of gaming software.

AIS technolabs has experienced coders who offer slot game development services with advanced features. HTML5 is one of the most sought-after languages used for generating source code. HTML5, along with javascript and CSS, has enabled developers to create impressive gaming solutions as per the need and demands of the clients. Our HTML slot machine code is easy to customize and had all the necessary elements which today’s gamers want in an online slot game.

Online slot gaming is more in demand these days. So, excellent technical skills and advanced features are required to make these slot machines work effectively. So to make our slot machine source code effective and user-friendly, we implement it with given below features.

Smooth jquery
animation

Fraud and cheat
prevention measures
simple to play

Compatible with
every browser

Why we are the best partner for the
development of HTML slot machine code

We have a team of experts for online slot game development who modify HTML slot machine code according to the need of the business. Our entire slot machine package consists of the full source code of HTML, javascript, CSS, and PHP. Also, it contains extensive documentation which tells entrepreneurs how to implement the slots in their site and how to customize the elements of it. If the clients do not have experienced technicians, then don’t worry, we have a team for it. Harness the potential of HTML slot machine games by using the flairs of AIS technolabs that are the following

Developing HTML5 slot machine source code has never been simple with complex business logic that needs to implement in the real-world development process. We build slot machine games in different and refined steps to achieve excellent results.

Our highly skilled developers bring conceptual intelligence and design clarity that is used to address the market trends. Therefore, our entrepreneur clients become happy when they get a maximum return on investment (ROI) through our software.

By our prolonged and profound experiences in HTML slot machine code development, we enable our clients to reap the most from slot machine games that are developed especially for our clients and their business

We adapt to evolving and emerging technologies, techniques, and tools rapidly. Therefore, our company is capable of delivering scalable solutions for a wide range of domains and industrial needs with desired success.

We recognize the actual requirements of our client’s concept or our client’s business and formulate HTML slot machine code development strategies accordingly. Our dedicated developers bring high quality in slot games development by achieving standards using mirroring of six-sigma methodology.

AIS technolabs offers numerous end-to-end services right from consulting, prototyping, designing UI & UX, programming, development, testing, deployment, and support & maintenance of slot games. Our developers also help our clients to update their slot games to their latest versions.

Advantages of online
HTML slot machine software

HTML5 format has great potential for the improved programming language that is easily and quickly integrated into the slot machine games. These HTML slot games are fully packed with advanced graphics and high-quality optimization. Also, HTML5 is compatible with all kinds of operating systems and is well displayed on the screens of any size so that these games are rapidly gaining popularity in the entertainment world.

Popularity today times, thousands of new slot machine games were released with several themes like fairy tales, fruits, jewels, etc. The trending technologies make the gameplay more accessible and comfortable for the players. Thus, it gets popularity all over the world.

Profitability the slot game developed using HTML5 slot machine source code is a relatively new kind of gambling that has won the hearts of players and operators in a short period. The establishment owners get a decent portion of the whole casino’s profit as well as allow the players to spend time on it and earn money.

Reliability the HTML5 slot machine source code includes three essential features, such as the ability to capture the player’s attention, the high quality of production, and the profitability that satisfies the needs of the owners and the players.

Slot machine the fruits - HTML5 casino game

Slot machine – the fruits is a HTML5 casino game. Enjoy this coloured slot machine with classic fruit symbols!

This game has been developed in HTML5/js and third-party library createjs – http://createjs.Com/ (not construct2 or other framework).

The ZIP package contains the game with 1500×640 resolution that scales to fit the current screen device.
The game is fully compatible with all most common mobile devices.
WARNING:
sounds are enabled for mobile but we can’t grant full audio compatibility on all mobile devices due to some well-know issue between some mobile-browser and HTML5.
So if you want to avoid sound loading, please read the documentation
sounds can’t be enabled for windows phone as this kind of device have unsolvable issues with and tag.

More info into help file (see documentation).

This game is fully compatible with CTL arcade

A wordpress plugin that allows you to create a real arcade on your website.

Easy to install

With CTL arcade you can:

Monetize with your games adding ads banners

Promote your website with social share buttons

Improve our games with leaderboard, and rating feature

=== even if we do our best to minimise any inconvenience, we can’t ensure the full compatibility of all our games on every device and every operating system update.
Thank you for the understanding. ===

CHANGELOG:

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Slot machine simulator

I'm studying alone, so I don't know if I'm writing efficiently. Could this slot machine simulator be improved? How?

Here are the prize rules:

BAR BAR BAR = $250
BELL BELL bellorbar = $20
PLUM PLUM plumorbar = $14
ORANGE ORANGE orangeorbar = $10
CHERRY CHERRY CHERRY = $7
CHERRY CHERRY --- = $5
CHERRY --- --- = $2

3 answers 3

Casinos are a shady business, but I'm even more suspicious of a slot machine that offers me a random prize without displaying the result of the spin.

Infrastructure

I don't recommend developing a habit of relying on non-standard libraries that don't do very much. For example, it looks like you are using a consoleprogram class that provides a run() method for you to fill in, as well as inherited methods println() and readline() . Idiomatic java would just have a public static void main(string[] args) function, system.Out.Println() , and scanner.Nextline() . You are also using a randomgenerator , when you could just use the standard random class.

If you are learning from a book that is encouraging you to use those calls, then I suggest that you find a different book that teaches you more transferrable skills.

Object-oriented programming

Your class has a public run() method; everything else is a black box. That makes the code hard to reuse and impossible to unit-test.

How should the code be organized? I recommend defining a class to model the slot machine with the following public interface:

In a sense, my public spin() method is equivalent to your private gameprize() method, but with a name that suggests that an action is taking place.

Here is how I would fill in that outline. Note that I've used some more advanced language features: an enum for the symbols and an enummap to count the symbols. Your countbar , countbell , etc. May be more suitable for a beginner.

With the slotmachine class defined, you can write more expressive code in your main() function, like:

Get slot machine effect using jquery

I am trying to create a slot machine using the following jquery plugin: jquery slot machine

I started with the simple demo und entered my own list. The problem I am having is that I need more than just that block which shows 1 line of the list. I need to show what is above and beneath the middle line of the lists. So I made the jslotswrapper box bigger.

Now I have the problem that when the lists spin, at the end of the list you see empty space. How can I make that the list has no end? So where the last item in the list is, I want to start again with the list.

The core functionality is the same as in the github repository.

The important part, I think, is the function spinem :

Here the list is placed above the jslotswrapper and with the animate function it moves down. Now what I need is for the animation to continue, and not to place the list at the top again. How can I achieve that.

Ok, i tried the following to avoid the empty space, everytime the animation has finished:

I try to place the list at the bottom of the box and move it down until the top appears. But somehow the list doesn't really move. It just moves for 1 word and then stops comletely. What is wrong in the animation code?

Ok I found the solution to my problem. Apparently, I can't use bottom in the css function. Instead, I used top and calculated the position of the top border of the list. That way I have an animation without all the empty space at the beginning. To avoid the jumping from the bottom to the top of the list I modified the height of the jslots-wrapper and the order of the list items, so that the items that are displayed before and after the jump are the same. That way, the user doesn't see the list jumping.

Html5 slot machine source code

For real online gambling

Smooth jquery
animation

Fraud and cheat
prevention measures
simple to play

Compatible with
every browser

Why we are the best partner for the
development of HTML slot machine code

Advantages of online
HTML slot machine software

So, let's see, what we have: javascript math functions explained math math is one of javascript's global or standard built-in objects, and can be used anywhere you can use javascript. It contains useful constants at javascript slot machine code

JavaScript Math Functions Explained, javascript slot machine code.

Javascript slot machine code

Only new casino sites for play on real money

Javascript math functions explained

Math

Example

Math max

Syntax

Parameters

Return value

Examples

Math min

Math PI

Examples

More information:

Math pow

Syntax

Examples

Math sqrt

Syntax

Examples

Math trunc

Examples

Math ceil

Examples

Math floor

Examples

An application of math.Floor: how to create a javascript slot machine

Another example: finding the remainder

Example

Usage

More math-related articles:

Sorting algorithms explained

Git tag explained: how to list, create, remove, and show tags in git

Javascript slot machine

Simple slot machine game using HTML5 part 1: basics

How it works

: programming & web development community" width="264" height="110" src="//dreamincode.Net/home/images/logo_2012.Gif?V=3" />

16 replies - 23607 views - last post: 07 january 2014 - 05:30 PM

#1 tezza

Slot machine

Simple slot machine game using HTML5 part 1: basics

How it works

Html5 slot machine source code

Slot machine the fruits - HTML5 casino game

Slot machine simulator

3 answers 3

Infrastructure

Object-oriented programming

Get slot machine effect using jquery

Html5 slot machine source code

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