C sample code to implement molecular deposition simulation
- 2020-04-02 01:53:58
- OfStack
#include<stdio.h>
#include<graphics.h>
#include<alloc.h>
#include<stdlib.h>
#include<time.h>
float dir;
int main()
{int i,count=0;
int gdriver=DETECT, gmode,errorcode,size;
int x,y;
time_t lt;
unsigned seed;
char **a;
void *buf,*buf1;
a=(char**)malloc(100*sizeof(char*));
for(i=0;i<100;i++)
{a[i]=(char*)malloc(167*sizeof(char));
memset(a[i],0,167);}
lt=time(NULL);
seed=(unsigned)lt;
srand(seed);
printf("nnnntPlease Input The Pf(0<=pf<=1):n");
do{
scanf("%f",&dir);
getch();
}while(dir<0||dir>1);
clrscr();
initgraph(&gdriver, &gmode, "c:\tc");
errorcode = graphresult();
if (errorcode != grOk)
{
printf("Graphics error: %sn", grapherrormsg(errorcode));
printf("Press any key to halt:");
getch();
for(i=0;i<100;i++) free(a[i]);
free(a);
exit(1);
}
setbkcolor(BLUE);
cleardevice();
size=imagesize(2,2,4,4);
buf=malloc(size);
size=imagesize(9,49,11,51);
buf1=malloc(size);
drawscreen(buf,buf1);
drawtxtscr(dir);
putimage(9,49,buf,COPY_PUT);
getch();
do{
x=3*(int)(166.0*(rand()/32767.0));
move(x,a,buf,buf1);
}while(++count<10);
getch();
closegraph();
free(buf);
free(buf1);
for(i=0;i<100;i++) free(a[i]);
free(a);
return 0;
}
drawtxtscr()
{ int ud[8]={10,320,490,320,490,400,10,400};
char s[60];
setcolor(YELLOW);
setlinestyle(0,0,NORM_WIDTH);
setfillstyle(1,CYAN);
fillpoly(4,ud);
sprintf(s,"The downwards probobility of the atom equal:n%.1f",dir);
settextstyle(2,0,4);
outtextxy(30,335,s);
settextstyle(4,0,2);
outtextxy(190,375,"---TJX---");
}
drawscreen(void *bu,void *bu1)
{ int userdata[8]={0,0,501,0,501,300,0,300};
int size;
setbkcolor(BLUE);
cleardevice();
setcolor(GREEN);
setlinestyle(0,0,NORM_WIDTH);
setviewport(69,69,639,479,1);
setfillstyle(1,GREEN);
fillpoly(4,userdata);
getimage(2,2,4,4,bu);
setcolor(YELLOW);
setfillstyle(1,YELLOW);
circle(10,50,1);
floodfill(10,50,YELLOW);
getimage(9,49,11,51,bu1);
}
move(int x,char **a,void *buf,void *buf1)
{ float dirction;
int sx,sy=0,i,j,end=0,start=0;
sx=x;
do{
if(sx==0) start=1;
else if(sx>0&&sx<498) start=2;
else start=3;
j=sx/3;
i=sy/3;
if(start==1&&sy<297&&(a[i+1][j]+a[i][j+1])==0)
{ dirction=(float)(rand()/32627.0);
if(dirction<=dir) {sy=sy+3 ;
putimage(sx,sy,buf1,COPY_PUT);
putimage(sx,sy-3,buf,COPY_PUT);}
else if(dirction>dir&&dirction<=(1+dir)/2)
{sy=sy+3;
putimage(sx,sy,buf1,COPY_PUT);
putimage(sx,sy-3,buf,COPY_PUT);}
else if(dirction>(1+dir)/2 && dirction<=1.0)
{ sx=sx+3;
putimage(sx,sy,buf1,COPY_PUT);
putimage(sx-3,sy,buf,COPY_PUT); }
}
else if(start==2&&sy<297&&(a[i][j-1]+a[i+1][j]+a[i][j+1])==0)
{ dirction=(float)(rand()/32627.0);
if(dirction<=dir) {sy=sy+3;
putimage(sx,sy,buf1,COPY_PUT);
putimage(sx,sy-3,buf,COPY_PUT);}
else if(dirction>dir&&dirction<=(1+dir)/2)
{sx=sx-3;
putimage(sx,sy,buf1,COPY_PUT);
putimage(sx+3,sy,buf,COPY_PUT);}
else if(dirction>(1+dir)/2 && dirction<=1.0)
{ sx=sx+3;
putimage(sx,sy,buf1,COPY_PUT);
putimage(sx-3,sy,buf,COPY_PUT); }
}
else if(start==3&&sy<297&&(a[i][j-1]+a[i+1][j])==0)
{ dirction=(float)(rand()/32627.0);
if(dirction<=dir) {sy=sy+3 ;
putimage(sx,sy,buf1,COPY_PUT);
putimage(sx,sy-3,buf,COPY_PUT);}
else if(dirction>dir&&dirction<=(1+dir)/2)
{sx=sx-3;
putimage(sx,sy,buf1,COPY_PUT);
putimage(sx+3,sy,buf,COPY_PUT);}
else
{ sy=sy+3;
putimage(sx,sy,buf1,COPY_PUT);
putimage(sx,sy-3,buf,COPY_PUT); }
}
else end=1;
}while(!end);
a[i][j]=1;
}