Floydgtm.graphics

#include <stdio.h>
#include <graphics.h>
#include <math.h>
#define n 1

int circleTracker[n][2],minusCircle[n+1][2],plusCircle[n+1][2],radious=20;

int findInArray(int num,int arr[]){
    int size=0;
    for(int i=0;arr[i]!=123;i++){
        if(num==arr[i]){
            return i;
        }
    }
    return -1;
}
void makeLocation(){
    int x,y;
   for(int i=0;i<n;i++){
        loop:
         x = rand() % (getmaxx()-radious);
         y = rand() % (getmaxy()-radious);
        if(x<radious || y<radious){
            goto loop;
        }
        circleTracker[i][0]=x;
        circleTracker[i][1]=y;
   }
}
void makeCircle(){
    for(int i=0;i<n;i++){
        circle(circleTracker[i][0],circleTracker[i][1],radious);
    }
}
void moveCircle(){
    for(int i=0;i<n;i++){
        int addX=20,addY=20;
        if(circleTracker[i][0]>((getmaxx()-radious)-20) && minusCircle[i][0]==0){
            plusCircle[i][0]=0;
            minusCircle[i][0]=1;
        }
        if(circleTracker[i][0]<(20+radious) && plusCircle[i][0]==0){
            minusCircle[i][0]=0;
            plusCircle[i][0]=1;
        }
        if(minusCircle[i][0]==1){
            circleTracker[i][0]-=addX;
        }else if(plusCircle[i][0]==1){
            circleTracker[i][0]+=addX;
        }else{
            circleTracker[i][0]+=addX;
        }
        //y axis
         if(circleTracker[i][1]>((getmaxy()-radious)-20) && minusCircle[i][1]==0){
            plusCircle[i][1]=0;
            minusCircle[i][1]=1;
        }
        if(circleTracker[i][1]<(20+radious) && plusCircle[i][1]==0){
            minusCircle[i][1]=0;
            plusCircle[i][1]=1;
        }
        if(minusCircle[i][1]==1){
            circleTracker[i][1]-=addY;
        }else if(plusCircle[i][1]==1){
            circleTracker[i][1]+=addY;
        }else{
            circleTracker[i][1]+=addY;
        }
    }
    cleardevice();
    makeCircle();
}
int main(){
   int gd = DETECT,gm;
   initgraph(&gd,&gm,NULL);
   makeLocation();

   while(1){
    makeCircle();
    delay(50);
    moveCircle();
   }
   delay(200);
   closegraph();
   return 0;
}