Digital differential analyzer (graphics algorithm): Difference between revisions

Revision as of 02:13, 9 April 2018

Revision as of 16:24, 9 April 2018

Line 35:

== Program ==

DDA algorithm Program in C++ :-<syntaxhighlight lang="c++" line="1">

# #include<graphics.h>

# #include<iostream.h>

# #include<math.h>

# #include<dos.h>

# #include<conio.h>

# #void main( )

#{

#float x,y,x1,y1,x2,y2,dx,dy,step;

#int i,gd=DETECT,gm;

#initgraph(&gd,&gm,"C:\\TURBOC3\\BGI");

#cout<<"Enter the value of x1 and y1 : ";

#cin>>x1>>y1;

#cout<<"Enter the value of x2 and y2: ";

#cin>>x2>>y2;

#dx=abs(x2-x1);

#dy=abs(y2-y1);

#if(dx>=dy)

#step=dx;

#else

#step=dy;

#dx=dx/step;

#dy=dy/step;

#x=x1;

#y=y1;

#i=1;

#while(i<=step)

#{

#putpixel(x,y,5);

#x=x+dx;

#y=y+dy;

#i=i+1;

#delay(100);

#}

#getch();

#closegraph();

#}

# #include<iostream.h>

# #include<math.h>

# #include<dos.h>

# #include<conio.h>

# #void main( )

#{

#float x,y,x1,y1,x2,y2,dx,dy,step;

#int i,gd=DETECT,gm;

#initgraph(&gd,&gm,"C:\\TURBOC3\\BGI");

#cout<<"Enter the value of x1 and y1  : ";

#cin>>x1>>y1;

#cout<<"Enter the value of x2 and y2: ";

#cin>>x2>>y2;

#dx=abs(x2-x1);

#dy=abs(y2-y1);

#if(dx>=dy)

#step=dx;

#else

#step=dy;

#dx=dx/step;

#dy=dy/step;

#x=x1;

#y=y1;

#i=1;

#while(i<=step)

#{

#putpixel(x,y,5);

#x=x+dx;

#y=y+dy;

#i=i+1;

#delay(100);

#}

#getch();

#closegraph();

#}

</syntaxhighlight>

== See also ==