bubbleanimation.java

int[] arr = new int[140];
//int alpha=0;
int w = 10;
int h = 400;
boolean sorting = false;

void setup(){
   size(1400,400);
   setArr();
   frameRate(10);
   displayArr();
}


void draw(){       
      if(sorting){
        //alpha+=1;
        bubbleSort();
      }
}


void setArr(){
  for(int i = 0; i < arr.length; i++){
    arr[i]=(int)random(1,255);
  }
  
}


//selection sort
    public void bubbleSort(){
        int i = 0;

            i++;

            for (int j = 0; j < arr.length - i; j++) {

                if (arr[j] > arr[j + 1]) {
                    swap(arr, j, j + 1);
                    
                }

            }
    }
    
    //display array using rectanlges
    void displayArr(){
      //System.out.println(Arrays.toString(arrayStr));
      for(int i = 0; i < arr.length; i++){
        //noStroke();
        //fill(30,arr[i]/2,arr[i]);
        fill(arr[i],20,255-arr[i]);
        rect(10*i,0,w,h);
      }
     
 
    }
    
    
    void mousePressed(){
      //bubbleSort();
      sorting=!sorting;
    }
    
    public void swap(int[] x, int i, int j){
        int temp = x[i];
        x[i] = x[j];
        x[j] = temp;
        displayArr();

    }