Moving ball screen saver - Computer Graphics Source Code in C++

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Home » C++ Home » Computer Graphics Home » Moving ball screen saver

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Title	Moving ball screen saver
Author	karlmarx
Author Email	karl_balan [at] yahoo.co.in
Description	It i a simple moving ball screensaver, in which two balls are bounchback from the wall of the console.
Category	C++ » Computer Graphics
Hits	518891
Code	Select and Copy the Code
PROGRAMMERS DETAILS Name : Nadar Karlmarx Rajabalan Date Of Birth : 04-05-1985 Qualification : T.E. Computer College : A. C. Patil College Of Engg., Kharghar, Navi-mumbai. E-Mail Id : [email protected] [email protected] [email protected] / #include"graphics.h" #include"dos.h" #include"conio.h" #include"stdlib.h" #define DELAY 1 #define SOUND 3500 void state(int x,int y,int mode); int i; void ptr1[4],ptr2[4]; / 3d Ball / char ball[20][20]= { {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}, {0,0,0,0,0,0,12,12,12,12,12,12,12,12,0,0,0,0,0,0}, {0,0,0,0,12,12,12,12,12,12,12,12,12,12,12,12,0,0}, {0,0,0,12,12,12,12,12,12,12,12,12,12,12,12,12,12,0,0,0}, {0,0,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,0,0}, {0,0,12,12,12,12,12,15,15,12,12,12,12,12,12,12,12,12,0,0}, {0,12,12,12,12,12,15,12,12,12,12,12,12,12,12,12,12,12,12,0}, {0,12,12,12,12,15,12,12,12,12,12,12,12,12,12,12,12,12,12,0}, {0,12,12,12,15,15,12,12,12,12,12,12,12,12,12,12,12,12,12,0}, {0,12,12,12,15,15,12,12,12,12,12,12,12,12,12,12,12,12,12,0}, {0,12,12,12,15,15,12,12,12,12,12,12,12,12,12,12,12,12,12,0}, {0,12,12,12,12,15,12,12,12,12,12,12,12,12,12,12,12,12,12,0}, {0,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,0}, {0,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,0}, {0,0,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,0,0}, {0,0,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,0,0}, {0,0,0,12,12,12,12,12,12,12,12,12,12,12,12,12,12,0,0,0}, {0,0,0,0,12,12,12,12,12,12,12,12,12,12,12,12,0,0,0,0}, {0,0,0,0,0,0,12,12,12,12,12,12,12,12,0,0,0,0,0,0}, {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0} }; / Condition to check out of range / int COND(int x,int y) { if (x>10 && x<getmaxx()-10 && y>10 && y<getmaxy()-10) return 1; else return 0; } / This sub-routine will check which path to follow on stiking the wall of the container / void state(int x,int y,int mode) { while(COND(x,y)&&!kbhit()) { putimage(x,y,ptr1[4],COPY_PUT); putimage(getmaxx()-x,getmaxy()-y,ptr1[4],COPY_PUT); switch(mode) { case 0: x++; y++; break; case 1: x++; y--; break; case 2: x--; y++; break; case 3: x--; y--; break; } delay(DELAY); nosound(); putimage(x,y,ptr2[4],COPY_PUT); putimage(getmaxx()-x,getmaxy()-y,ptr2[4],COPY_PUT); } cleardevice(); if(x>=(getmaxx()-10)\|\|x<=10) { sound(SOUND); switch(mode) { case 0: state(--x,--y,2); break; case 1: state(--x,++y,3); break; case 2: state(++x,--y,0); break; case 3: state(++x,++y,1); break; } } else if(y>=getmaxy()-10\|\|y<=10) { sound(SOUND); switch(mode) { case 0: state(--x,--y,1); break; case 1: state(--x,++y,0); break; case 2: state(++x,--y,3); break; case 3: state(++x,++y,2); break; } } else exit(0); } void main() { int gm,gd=DETECT; int i,j; initgraph(&gd,&gm,"\tc\tc\bgi"); for(i=0;i<20;i++) for(j=0;j<20;j++) if(ball[i][j]!='0') putpixel(10+i,10+j,ball[j][i]); getimage(10,10,30,30,ptr1[4]); cleardevice(); getimage(10,10,30,30,ptr2[4]); / start with (20,20) */ state(20,20,0); getch(); }

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