Showing posts with label projection of 3d image in c. Show all posts
Showing posts with label projection of 3d image in c. Show all posts

Friday, January 29, 2010

projection of 3d image



program:
#include "stdio.h"
#include "stdlib.h"
#include"graphics.h"
#include"conio.h"
void draw3d(int s,int x[20],int y[20],int d);
void main()
{
int gd=DETECT,gm;
int x[20],y[20],i,s,d;
initgraph(&gd,&gm,"");
printf("Enter the No of sides : ");
scanf("%d",&s);
for(i=0;i< s;i++)>
{
printf("(x%d,y%d) :",i,i);
scanf("%d%d",&x[i],&y[i]);
}
printf("Depth :");
scanf("%d",&d);
draw3d(s,x,y,d);
getch();
setcolor(14);
for(i=0;i< s-1;i++)
{
line(x[i]+200,y[i],x[i+1]+200,y[i+1]);
}
line(x[i]+200,y[i],x[0]+200,y[0]);
getch();//top view
for(i=0;i< s-1;i++)
{
line(x[i],300,x[i+1],300);
line(x[i],300+d*2,x[i+1],300+d*2);
line(x[i],300,x[i],300+d*2);
line(x[i+1],300,x[i+1],300+d*2);
}
getch();//side view
for(i=0;i< s-1;i++)
{
line(10,y[i],10,y[i+1]);
line(10+d*2,y[i],10+d*2,y[i+1]);
line(10,y[i],10+d*2,y[i]);
line(10,y[i+1],10+d*2,y[i+1]);
}
getch();
closegraph();
}
void draw3d(int s,int x[20],int y[20],int d)
{
int i,j,k=0;
for(j=0;j< 2;j++)
{
for(i=0;i< s-1;i++)>
line(x[i]+k,y[i]-k,x[i+1]+k,y[i+1]-k);
line(x[i]+k,y[i]-k,x[0]+k,y[0]-k);
k=d;
}
for(i=0;i< s;i++)
line(x[i],y[i],x[i]+d,y[i]-d);
}




Output: