Computer graphics program to implement a bouncing ball

0
0

Computer graphics program in Python and C++

Python

from graphics import *
import time, random
 
def bounceInBox(shape, dx, dy, xLow, xHigh, yLow, yHigh):
   delay = .005
   for i in range(600):
       shape.move(dx, dy)
       center = shape.getCenter()
       x = center.getX()
       y = center.getY()
       if x < xLow:
           dx = -dx
       elif x > xHigh:
           dx = -dx
       if y < yLow:
           dy = -dy
       elif y > yHigh:
           dy = -dy           
       time.sleep(delay)
 
def getRandomPoint(xLow, xHigh, yLow, yHigh):
   '''Return a random Point with coordinates in the range specified.'''
   x = random.randrange(xLow, xHigh+1)
   y = random.randrange(yLow, yHigh+1)
   return Point(x, y)  
 
def makeDisk(center, radius, win):
   '''return a red disk that is drawn in win with given center and radius.'''
   disk = Circle(center, radius)
   disk.setOutline("black")
   disk.setFill("green")
   disk.draw(win)
   return disk
 
def bounceBall(dx, dy):
   '''Make a ball bounce around the screen, initially moving by (dx, dy)
   at each jump.'''
  
   winWidth = 290
   winHeight = 290
   win = GraphWin('Ball Bounce', winWidth, winHeight)
   win.setCoords(0,0,winWidth, winHeight)
 
   radius = 10
   xLow = radius # center is separated from the wall by the radius at a bounce
   xHigh = winWidth - radius
   yLow = radius
   yHigh = winHeight - radius
 
   center = getRandomPoint(xLow, xHigh, yLow, yHigh)
   ball = makeDisk(center, radius, win)
   bounceInBox(ball, dx, dy, xLow, xHigh, yLow, yHigh)   
   win.close()
bounceBall(1, 5)
computer graphics

C++

#include<bits/stdc++.h>
#include<graphics.h>
#include<conio.h>
using namespace std;
 
void ball(int x, int y){
    circle(x, y, 50);
    floodfill(x, y, WHITE);
}
 
void bounce(){
    int x = getwindowwidth()  / 2;
    int y = 10;
    double u = 0;
    int a = 10;
    double t = 0;
    while(1){
 
        t = 0;
        a = 10;
        // y = 10;
        cout << "dircetion changec \n";
        while(y <= getwindowheight() - 150 ){
            delay(10);
            cleardevice();
            ball(x, y);
            t += 0.01;
            u += a * t;
            y += round(u * t);
            cout << y <<"\n";
                if(y < 0){
                break;
            }
        }
        a *= -1;
        t = 0;
        u = 0;
        cout << "dircetion changec \n";
        while(y >= 100){
            delay(10);
            cleardevice();
            ball(x, y);
            t += 0.01;
            u += a * t;
            y += round(u * t);
            cout << y <<"\n";
            if(y < 0){
                break;
            }
        }
        y = 10;
 
    }
}
 
 
int main(){
    int gd = DETECT, gm;
    initgraph(&gd, &gm, "");
    
    bounce();
    getch();
    closegraph();
 
    return 0;
}
computer graphics

LEAVE A REPLY