snake | Parallel , abstract Snake engine snake | Game Engine library

 by   tomarrell Go Version: Current License: Non-SPDX

kandi X-RAY | snake Summary

kandi X-RAY | snake Summary

snake is a Go library typically used in Gaming, Game Engine applications. snake has no bugs, it has no vulnerabilities and it has low support. However snake has a Non-SPDX License. You can download it from GitHub.

The core of the project can be found within ./engine, with the adapters occupying the sibling directories. This models allows for arbitrary clients to interface with the engine. web - The web adapter implements a websocket interface on top of the engine. This spins up a server which runs a game per connection. Each connection is isolated, and cannot affect the game of any other connection. The adapter provides a set of messages to provide game input, and send state messages back to the client. The entire simulation occurs on the server, with the client only being required to implement the render and input relay logic, an example in <100 lines can be found here. This however does leave you at the mercy of the latency between the client and server. Anecdotal testing finds an acceptable range of up to ~150ms. validator - The validator adapter provides the ability for the engine to confirm a series of "ticks" given to it by a client. A tick represents a single state change within the game (the snake moving a single position in any direction). The adapter is built to receive a description of the start of a game, which it generates fruit for, signs, and returns. This signature must be returned in all further requests. The client then records the ticks taken to move to the piece of randomly generated fruit, and sends this along with other information and the signature back to the server for validation. The benefit of this approach is that the server remains stateless regardless of how many games are being played simultaneously. term-snake - Proof of concept in the terminal. Not a particularly useful adapter, but a good example of the versatility of the adapters on top of the engine.
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            kandi-support Support

              snake has a low active ecosystem.
              It has 8 star(s) with 1 fork(s). There are 1 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              snake has no issues reported. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of snake is current.

            kandi-Quality Quality

              snake has no bugs reported.

            kandi-Security Security

              snake has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

            kandi-License License

              snake has a Non-SPDX License.
              Non-SPDX licenses can be open source with a non SPDX compliant license, or non open source licenses, and you need to review them closely before use.

            kandi-Reuse Reuse

              snake releases are not available. You will need to build from source code and install.
              Installation instructions, examples and code snippets are available.

            Top functions reviewed by kandi - BETA

            kandi has reviewed snake and discovered the below as its top functions. This is intended to give you an instant insight into snake implemented functionality, and help decide if they suit your requirements.
            • messageReader reads messages from the websocket connection .
            • validatePath validates the request s signature .
            • initKeyHandlers spawns a goroutine to receive events from the screen .
            • newHandler generates a new game state
            • validateTick validates the tick .
            • websocketHandler returns a websocket handler for the websocket connection .
            • renderFruit renders a set of flights .
            • NewFruit returns a randomness randomness
            • renderOutline renders an outline .
            • signState returns the SHA256 signature of the given state .
            Get all kandi verified functions for this library.

            snake Key Features

            No Key Features are available at this moment for snake.

            snake Examples and Code Snippets

            Check if the snake triangle is in the game .
            pythondot img1Lines of Code : 14dot img1License : Permissive (MIT License)
            copy iconCopy
            def check_collisions(snake):
            
                x, y = snake.coordinates[0]
            
                if x < 0 or x >= GAME_WIDTH:
                    return True
                elif y < 0 or y >= GAME_HEIGHT:
                    return True
            
                for body_part in snake.coordinates[1:]:
                    if x == body_  
            Converts an identifier to snake case .
            javadot img2Lines of Code : 12dot img2License : Permissive (MIT License)
            copy iconCopy
            private Identifier convertToSnakeCase(final Identifier identifier) {
                    if (identifier == null) {
                        return identifier;
                    }
            
                    final String regex = "([a-z])([A-Z])";
                    final String replacement = "$1_$2";
                    final   
            Converts a string to snake case .
            javadot img3Lines of Code : 10dot img3License : Non-SPDX (Creative Commons Zero v1.0 Universal)
            copy iconCopy
            public static String toSnakeCase(String input) {
                    Matcher matcher = Pattern.compile("[A-Z]{2,}(?=[A-Z][a-z]+[0-9]*|\\b)|[A-Z]?[a-z]+[0-9]*|[A-Z]|[0-9]+").matcher(input);
                    List matchedParts = new ArrayList<>();
                    while (match  

            Community Discussions

            QUESTION

            How does this Zebra solution in prolog work?
            Asked 2021-Jun-14 at 21:51
            zebra_owner(Owner) :-
                houses(Hs),
                member(h(Owner,zebra,_,_,_), Hs).
            
            water_drinker(Drinker) :-
                houses(Hs),
                member(h(Drinker,_,_,water,_), Hs).
            
            
            houses(Hs) :-
                length(Hs, 5),                                            %  1
                member(h(english,_,_,_,red), Hs),                         %  2
                member(h(spanish,dog,_,_,_), Hs),                         %  3
                member(h(_,_,_,coffee,green), Hs),                        %  4
                member(h(ukrainian,_,_,tea,_), Hs),                       %  5
                adjacent(h(_,_,_,_,green), h(_,_,_,_,white), Hs),         %  6
                member(h(_,snake,winston,_,_), Hs),                       %  7
                member(h(_,_,kool,_,yellow), Hs),                         %  8
                Hs = [_,_,h(_,_,_,milk,_),_,_],                           %  9
                Hs = [h(norwegian,_,_,_,_)|_],                            % 10
                adjacent(h(_,fox,_,_,_), h(_,_,chesterfield,_,_), Hs),        % 11
                adjacent(h(_,_,kool,_,_), h(_,horse,_,_,_), Hs),              % 12
                member(h(_,_,lucky,juice,_), Hs),                         % 13
                member(h(japanese,_,kent,_,_), Hs),                       % 14
                adjacent(h(norwegian,_,_,_,_), h(_,_,_,_,blue), Hs),          % 15
                member(h(_,_,_,water,_), Hs),       % one of them drinks water
                member(h(_,zebra,_,_,_), Hs).       % one of them owns a zebra
            
            adjacent(A, B, Ls) :- append(_, [A,B|_], Ls).
            adjacent(A, B, Ls) :- append(_, [B,A|_], Ls).
            
            ...

            ANSWER

            Answered 2021-Jun-14 at 21:46

            The houses list Hs is not empty at all, ever. It is created right at the very beginning with

            Source https://stackoverflow.com/questions/67975434

            QUESTION

            How do I make a condition to execute a command once an element of numPy array achieves a certain value?
            Asked 2021-Jun-10 at 17:11

            I'm creating a machine-learning program to recognize images that are shown on webcam. I've used Google Teachable Machine to generate the model and it works fine.

            The matter I'm having issues with is printing the results of a prediction array, when an element of this array achieves a certain value (if it's equal to or more than 0.9 for an element, print a specific message).

            Let's say when element prediction[0] >= 0.9 I want to execute print("Up") as it recognizes the image of an arrow facing up or if element prediction[1] >= 0.9 I'd do a print("Down") etc.

            But when I try do that using the if statement I am presented with a

            ...

            ANSWER

            Answered 2021-Jun-10 at 17:11

            The problem is that your prediction has an "incorrect" shape when you're trying to check for each of the values. The following illustrates this:

            Source https://stackoverflow.com/questions/67924979

            QUESTION

            How to dynamically infer return type from the argument object?
            Asked 2021-Jun-08 at 15:24

            I am trying to build a strictly typed factory for my TS project and having issues figuring out if it is possible to automatically infer a schema from the passed argument.

            ...

            ANSWER

            Answered 2021-Jun-08 at 15:23

            You should narrow References type instead of declaring it explicitly:

            Source https://stackoverflow.com/questions/67889499

            QUESTION

            How to assign a value to an array inside a structure using pointer arithmetic?
            Asked 2021-Jun-07 at 11:10
             typedef struct TILE{
             char p[4];
             char ladder,snake;
             char end;
             int boardLoc;
             struct TILE *pointer;
             }tile;
            
            tile *myTable = (tile*) calloc(row*col,sizeof(tile));
            
            //This code works (using brackets [])
            (myTable+90)->p[0] = 'a';
            (myTable+90)->p[1] = 'b';
            (myTable+90)->p[2] = 'c';
            (myTable+90)->p[3] = 'd';
            
            //This code does not work (using pointer arithmetic)
            *(myTable+90).(*(p+0)) = 'a';
            *(myTable+90).(*(p+1)) = 'b';
            *(myTable+90).(*(p+2)) = 'c';
            *(myTable+90).(*(p+3)) = 'd';
            
            //This code does not work either (arrow operator and pointer arithmetic to access array)
            (myTable+90)->(*(p+0)) = 'a';
            (myTable+90)->(*(p+1)) = 'b';
            (myTable+90)->(*(p+2)) = 'c';
            (myTable+90)->(*(p+3)) = 'd';
            
            ...

            ANSWER

            Answered 2021-Jun-07 at 11:10

            The following are all equivalent:

            Source https://stackoverflow.com/questions/67870321

            QUESTION

            How to remove turtle list in an effective way
            Asked 2021-Jun-06 at 07:35

            I'm doing a snake game in a way of attaching turtles together and move each of them individually each time. Let's say we have a white snake on a black screen which consists of multiple adjacent 'square' turtles. If the snake move and hit the wall, it should be removed. So what's the best way to do it? Loop through all segments and use hideturtle() to hide each turtle element? Or simply move every segment out of the screen.

            ...

            ANSWER

            Answered 2021-Jun-06 at 07:35

            The simplest way would be when the brick moves and hits the wall it has each segment be set to invisible. These can all be cleaned up or removed at an intermediary screen like a play again/etc

            Source https://stackoverflow.com/questions/67856647

            QUESTION

            How can I resolve "The argument type 'Object?' can't be assigned to the parameter type 'String'.dart(argument_type_not_assignable)"?
            Asked 2021-Jun-05 at 20:09

            I am trying to access the values of questionText from questions. When I am trying to extract String values from a map, the following error is displayed on Flutter. (The code is written in Dart):

            The argument type 'Object?' can't be assigned to the parameter type 'String'.dart(argument_type_not_assignable)

            Error:

            This is my main.dart file:

            ...

            ANSWER

            Answered 2021-Jun-05 at 20:09

            You need to let dart know the type of questions[_questionIndex]['questionText']

            Try this:

            Change questions[_questionIndex]['questionText']

            to questions[_questionIndex]['questionText'] as String

            In the error line

            Source https://stackoverflow.com/questions/67853012

            QUESTION

            @freezed copyWith missing with sealed classes
            Asked 2021-Jun-05 at 10:51

            In the following snippet the state.copyWith function is not available.

            ...

            ANSWER

            Answered 2021-Jun-05 at 10:51

            Only properties that are common to all constructors will generate a copyWith method, as mentioned in the README docs.

            Source https://stackoverflow.com/questions/67848400

            QUESTION

            Saving high scores of a game to a file and then accessing them, how?
            Asked 2021-Jun-01 at 20:11

            I want to save all the scores of my game (a simple snake game) to a file and then read all the scores. Problem is, i dont know how to save them without knowing how many there will be.

            ...

            ANSWER

            Answered 2021-Jun-01 at 20:11

            From what you describe, what you want is:

            1. open the file for writing
            2. write to the file
            3. be done with writing to the file
            4. open the file for reading
            5. read from the file
            6. be done with reading form the file.

            So your code should reflect that sequence!

            The key point is that you are ever only reading or writing from the file at any given moment, so the ifstream and the ofstream should never exist at the same time!

            There's a few ways to go about that, but the simplest is to use functions to isolate them. Here's what that would look like in your case:

            Source https://stackoverflow.com/questions/67795012

            QUESTION

            Class variable not mutating in JS
            Asked 2021-May-30 at 20:27

            I'm trying to build a simple JS snake game using classes. I've ran into a problem in which a variable declared in the constructor does not change. Here's my code:

            ...

            ANSWER

            Answered 2021-May-30 at 20:27
                document.addEventListener("keydown", this.changeDirection());
            

            Source https://stackoverflow.com/questions/67765493

            QUESTION

            ncurses linked list not showing in screen
            Asked 2021-May-29 at 07:52

            i made a linked list and filled it with 4 "#" characters, i wanted to print them in screen with the ncurses library because i'm trying to make a snake game but idk why it doesn't print, here's the code:

            ...

            ANSWER

            Answered 2021-May-29 at 07:48

            Your programs have several bugs, I have fixed them. The most serious is that your code cannot be compiled in C++. If it's intended to build it under C++, you need to fix the compile errors at first.

            1. newPiece = malloc(sizeof(struct snake));, need a convertion here: newPiece = (snake *)malloc(sizeof(struct snake));, generally it's not recomended to use malloc in c++, it's more naturally to use new

            2. first = addNewPiece("#"); Pass string literal as char argument, need to pass a character here.

            3. mvwprintw(win, y, x, t);, you have misunderstand the API, should be fixed as mvwprintw(win, y, x, "%c", t->piece);, you need to see the document before use a library API to see what types of arguments it expects

            4. You forget to refresh the screen after printing the screen!

            5. You haven't increment the index in for loop, it's an infinite loop.

            Your code is somewhat c style, if you are trying to write with C++, it needs to be refactored, some suggestions:

            • use std::vector to store the snake body, then we don't need to manage the memory by hand. And avoid the error-prone linked list processing. Then most part of your code can be simplified.
            • Use a logging library and print logs to help to debug

            The fixed code should work, I get a vertical snake on my console.

            Source https://stackoverflow.com/questions/67714389

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install snake

            You can build your own adapter by importing github.com/tomarrell/snake and then using the exported methods there to build your own adapter on top of the simulation. Just make sure you have Go >= v1.11 with go modules support enabled.
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            Contributing to this project is more than welcome! Please feel free to propose features as well by filing an issue here.
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