bouncing ball

This is a discussion on bouncing ball within the Game Programming forums, part of the General Programming Boards category; I made a bouncing ball with collision but it can't work what is problem here is the code Code: # ...

  1. #1
    Registered User planet_abhi's Avatar
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    bouncing ball

    I made a bouncing ball with collision but it can't work
    what is problem
    here is the code


    Code:
    # include<iostream.h>
    # include <conio.h>
    # include <dos.h>
    # include <math.h>
    # include <graphics.h>
    # define pi 3.14
    # define m 1.3
    int main()
    {
    int r=0;
    float y0,t;
    int i;
    int gd=0,gm=0;
    initgraph(&gd,&gm,"c\\tc\\bgi");
    rectangle(0,10,637,478);
    setfillstyle(1,WHITE);
    for(i=1;i<=635;i=i+10)
    {
    setfillstyle(1,WHITE);
    t  = m-pi * (2 * m-pi * 100 + m-pi /2) / 180;
    y0 = abs (200 * sin(t) * exp (-1 * 0.004 * i ) );
    setcolor(WHITE);
    fillellipse(i,470-(int)y0,r,r);
    delay(5);
    setfillstyle(1,BLACK);
    setcolor(BLACK);
    fillellipse(i,470-(int)y0,r,r);
    delay(5);
    }
    setfillstyle(1,WHITE);
    t=m-pi*(2*m-pi*i*100+m-pi/2)/180;
    y0=abs(200*sin(t)*exp(-1*0.004*i));
    setcolor(WHITE);
    fillellipse(i,470-(int)y0,r,r);
    getch();
    closegraph();
    restorecrtmode();
    return(0);
    }
    the equation is sin trignometric function.
    AbHHinaay

  2. #2
    C++ Developer XSquared's Avatar
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    What happens when you run it?
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  3. #3
    Registered User planet_abhi's Avatar
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    it can't collide it just rolls on screen

    actulally i want the follwing output http://www.phy.ntnu.edu.tw/java/boun...ncingBall.html
    AbHHinaay

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