Snake game

snake_game/README.md

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+# Snake Game
+
+![Open Source Love](https://badges.frapsoft.com/os/v1/open-source.svg?v=102)
+
+#100daysofcode This simple programme written with processing3 (like JAVA but easier).<br>
+Click <a href="https://processing.org"> here </a> to read more about processing3.
+
+## Features :dart:
+* [x] Free & Open Source
+* [x] Very Easy to use
+
+## Thank _You_!
+Please :star: this repo to help us improve the quality.
+
+## Requirements
+* processing3
+
+## How To Use It
+1. Download Processing3 from this link: https://processing.org/download/
+2. Install this repository.
+3. Extract the folder.
+4. Open the ```snake_game.pde``` file.
+5. Run it :)
+
+## Contributing 💡
+If you want to contribute to this project and make it better with new ideas, your pull request is very welcomed.<br>
+If you find any issue just put it in the repository issue section, thank!<br><br>
+.سبحَانَكَ اللَّهُمَّ وَبِحَمْدِكَ، أَشْهَدُ أَنْ لا إِلهَ إِلأَ انْتَ أَسْتَغْفِرُكَ وَأَتْوبُ إِلَيْ

snake_game/snake_game.pde

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+ArrayList<Integer> x = new ArrayList<Integer>(),  y = new ArrayList<Integer>();
+int w = 30, h = 30, bs = 20, dir = 2, foodx = 10, foody = 10, score = 0;
+int[] dx = {0,0,1,-1}, dy = {1,-1,0,0};
+boolean gameOver = false;
+
+void setup()
+{  
+    size(600, 600);
+    x.add(5);
+    y.add(5);
+}
+
+
+void draw()
+{
+    if(!gameOver)
+    {
+        background(255);
+        fill(0);
+        textAlign(LEFT);
+        text(score, 70, 20);
+        rect(foodx*bs, foody*bs, bs, bs);
+        for(int i = 0; i<x.size(); i++){
+            noStroke();
+            fill(0,255,0);
+            rect(x.get(i)*bs, y.get(i)*bs, bs, bs);
+        }
+
+        if(frameCount%5 == 0)
+        {
+            x.add(0,x.get(0)+dx[dir]);
+            y.add(0,y.get(0)+dy[dir]);
+            if(foodx == x.get(0) && foody == y.get(0)){ 
+                score += 5;
+                foodx = (int)random(0,w);
+                foody = (int)random(0,h);
+            }
+            else{
+                x.remove(x.size()-1);
+                y.remove(y.size()-1);
+            }
+        }
+        if(x.get(0) < 0 || x.get(0) >= w || y.get(0) <0 || y.get(0) >=h)
+            {
+                delay(2000);
+                gameOver = true;
+                score = 0;
+            }
+        for(int i = 1; i < x.size()-1; i++)
+        {
+          if(x.get(i) == x.get(0) && y.get(i) == y.get(0))
+          {
+              delay(2000);
+              gameOver = true;
+              score = 0;
+          }
+        }
+    }
+    else{
+          background(0);
+          textSize(20);
+          textAlign(CENTER);
+          text("GAME OVER! \nPRESS SPACE TO PLAY AGAIN OR ESC TO EXIT)", width/2, height/3);
+          if(keyPressed && key == ' ')
+          {
+              x.clear();
+              y.clear();
+              x.add(5);
+              y.add(5);
+              gameOver = false;
+          }
+     }
+}
+
+
+void keyPressed()
+{
+    int newDir;
+    if(key == CODED)
+    {
+        switch(keyCode){
+            case DOWN: newDir = 0; break;
+            case UP: newDir = 1; break;
+            case RIGHT: newDir = 2; break;
+            case LEFT: newDir = 3; break;
+            default: newDir = -1; break;
+        }//end switch
+    }//end if
+    else
+    {
+        switch(key){
+            case 's': newDir = 0; break;
+            case 'w': newDir = 1; break;
+            case 'd': newDir = 2; break;
+            case 'a': newDir = 3; break;
+            default: newDir = -1; break;
+        }//end switch
+    }//end else
+
+    switch(newDir){
+        case 0: {
+                    if(dy[dir] == -1)
+                    {
+                        break;
+                    }else {
+                              dir = newDir;
+                              break;
+                    }//end if/else
+        }//end case0
+        case 1: {
+                    if(dy[dir] == 1)
+                    {
+                      break;
+                    }else {
+                              dir = newDir;
+                              break;
+                    }//end if/else
+        }//end case1
+        case 2: {
+                    if(dx[dir] == -1)
+                    {
+                      break;
+                    }else {
+                              dir = newDir;
+                              break;
+                    }//end if/else
+        }//end case2
+        case 3: {
+                    if(dx[dir] == 1)
+                    {
+                      break;
+                    }else {
+                              dir = newDir;
+                              break;
+                    }//end if/else
+        }//end case3
+    }//end switch
+
+}