Open-GL

Computer Graphics - Lab assignments

1. Write a program to:

• Create empty window (Black, White and different Colors)
• Draw a point of width 10 pixel
• Draw a green color line from (10,10) to (50,50)
• Draw a triangle on black background
• Draw a rectangle on black background

2. Write a program to draw a line using:

• DDA algorithm
• Bresenham’s line algorithm

3. Write a program to:

• Draw a circle using Midpoint circle algorithm
• Draw an ellipse using Midpoint ellipse algorithm

4. Write a program to fill a polygon using scan line fill algorithm.

5. Write a program to fill a polygon using boundary fill and flood fill algorithm for various concave and convex polygons.

6. Write a program for drawing the following simple two dimensional objects using certain graphic functions available for drawing lines,rectangles, polygons, ellipses & circles which generates pixel activation list.

• House
• Car
• Fish
• Man

7. Write a program to perform basic 2D transformation (translation,rotation and scaling) about origin and about a fixed point without using direct OpenGl functions for the transformations.

8. Write a program to perform:

• Reflection about x-axis, y-axis and origin
• Shear about x-axis and y-axis

9. Write a program for performing the basic transformations such as translation, Scaling, Rotation for a given 3D object.

10. Write a program to clip a line using

• Liang Barsky Algorithm
• Cohen Sutherland
• Nicholl-Lee-Nicholl Line clipping

11. Write a program to clip a polygon using

• Sutherland Hodgeman
• Weiler Atherton algorithm

12. Write programs for designing following simple animations using transformations.

• Circle moving from left to right and vice versa
• Wind mill rotation
• Simple animation of football goal