#include
#include
#include
#include
#include
#include

#define SPECIAL_KEY bioskey

void firework(int maxx){
int x,y,color, i;
while(!kbhit()){
x=maxx/2-random(40)+20;
y=random(270)+50; color=random(7)+9;
/*Firework one*/
for(i=0;i<100;i++){
putpixel(x+i,y+random(4)+10,color);
putpixel(x+i,y-i/3+random(4)+10,color);
putpixel(x+i/2,y-i/2+random(4)+10,color);
putpixel(x+i/2,y+i/2+random(4)+10,color);
putpixel(x+i,y+i/4+random(4)+10,color);
delay(3);
}
x=x-160; y=random(270)+50;
/*Firework two*/
for(i=0;i<100;i++){
putpixel(x+random(4),y-i,color-3);
putpixel(x+2*i/3+random(4),y-2*i/3,color-3);
putpixel(x-2*i/3+random(4),y-2*i/3,color-3);
putpixel(x-i/3+random(4),y-i,color-3);
putpixel(x-i+random(4),y-i/10,color-3);
delay(3);
}
x=x+350; y=random(270)+30;
/*Firework three*/
for(int j=0;j<100;j++){
putpixel(x+j/3+random(4),y+j/2,color-2);
putpixel(x+10+j/2+random(4),y-10+j/6,color-2);
putpixel(x+10+j/3+random(4),y-10-j/2,color-2);
putpixel(x-j/3+random(4),y-10-j/2,color-2);
putpixel(x-10-j/3+random(4),y-10+j/2,color-2);
putpixel(x-10-j+random(4),y-20-j/2,color-2);
putpixel(x+10+j+random(4),y-10-j/2,color-2);
putpixel(x+10+random(4),y-10-j,color-2);
putpixel(x+j/10+random(4),y+10+j/2,color-2);
putpixel(x-10-j/2+random(4),y-10+j/20,color-2);
delay(5);
}
x=x-250; y=random(270)+30;
for(i=0;i<150;i++){
putpixel(x-i/2+random(i),y-i/2+random(i),color+1);
putpixel(x+2-i/2+random(i),y+2-i/2+random(i),color+1);
delay(3);
}
delay(50);cleardevice();
}
}

void main()
{
int gdriver=0, gmode, gderr, maxx;

randomize();

initgraph(&gdriver,&gmode,"C:\\TC\\BGI");
gderr = graphresult();
if (gderr != grOk) /* an error occurred */
{
printf("Graphics error: %s\n", grapherrormsg(gderr));
printf("Press any key to halt:");
getch(); exit(1); /* return with error code */
}
maxx=getmaxx();

firework(maxx);
}