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Assignment No. 03
Semester: Fall 2015

CS602: Computer Graphics


Total Marks: 20


Due Date:27/01/2016



Please read the following instructions carefully before submitting assignment:

Read and follow the instructions given in document inside the Help folder attached.

It should be clear that your assignment will not get any credit if:

  • The assignment is submitted after due date.
  • The submitted assignment does not open or file is corrupt.
  • Solution is copied from any other source.


The objective of this assignment is to;

  • Learn and practice basic concepts of computer graphics using Dev-C++. (you can download Dev-C++ setup from LMS)
  • Learn to use transformations and use of graphics library functions.



In this assignment, you are provided with a small startup code attached with this assignment in folder “Startup_Code”. Your job is to slightly modify this code as desired in this assignment.

First, you need to understand the working of the given code and execute it in Dev-C++. This program essentially draws some text in the middle of screen and a circle of small circles on screen as shown in following screenshot. We refer it as “Circles”.


Initially, you need to open Assigment3.dev project file in Dev-C++. After successful compilation and execution, you will see the output.(Ignore warning messages)

Your Task

Your task is to add new code that make these circle start rotating in a clock wise direction. Also add three new circles like this within this big circle so that next circle will move in anti-clockwise direction, again next in clock wise and the last in anti-clockwise as shown in “Rolling_Circles.exe”. While applying rotation keep in mind that homogeneous coordinates must be used in rotation .To show the circles movement you need to add the “delay” function. All this simply requires only few lines of code to modify. You shall add your code in the areas indicated with comments “add your code here”.

Screenshot of the desired  output:





You are required to submit your solution through LMS in zip format containing two files.

  • Your Project in zipped form containing both .dev and .cpp file.
  • An MS Word document containing screenshot of your program output/execution and your own Student-ID must be visible in the screenshot


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Replies to This Discussion

Copy Paste, change the values and you will come to a solution. 

plzz code share krain jis main rotation ka ho clockwise and anticlockwise plzzzzzzzzzzz help


thanx @sanwal



is main cpp file nhn hay jahan code lehka hota hay

Remove Circles.cpp file from Circles.dev project and then add it again by selecting the file present in folder.

koi solution file e send kr do plz

Bro help me, mere pas window 10 hai ... file nahi chal rahi , samjh se bahir hai :/

is code main error arha hay

Code is here.

int gd=DETECT,gm,x=295,y=222,a,j,i;
initgraph(&gd,&gm," ");

outtextxy(x-82,y-10,"My Student id:??????????????");
for (i=1; i>0 ;i++)//change code here
//add your code here

return 0;

compile error araha hai koi perfect code de do


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