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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 518143
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 : karl_balan@yahoo.co.in karl_vli@rediffmail.com karl.prog.vli@gmail.com */ #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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