opengl, Computer Graphics

Assignment Help:
Write a program that allows interactive manipulation of the position and orientation of a camera.
Draw a teapot at the global origin 0,0,0.
You can find a shaded teapot model and source code teapot_glut.c.

Initially, the camera is at 0,0,10 looking down the -z axis (looking at the origin 0,0,0).



The main objective of this homework is to manipulate the position and orientation of the camera. The position of the camera is restricted to be on the surface of a virtual sphere with the radius of 10. So you can imagine a teapot at the origin, and a camera on a surrounding sphere pointing at the teapot.

There are two camera manipulation instruction, elevation and swing. In elevation mode, the camera should be elevated on the surface of the sphere while maintaining the look-at point at the origin. The range of elevation on the surface of a sphere is between -90 and 90 degree. Use mouse motion function to implement the user interaction. Users should be able to elevate the camera by dragging mouse upward.

In swing mode, the camera should be moved sideways on the surface of the sphere while maintaining the look-at point at the origin. Use mouse motion function to implement the user interaction. Users should be able to swing the camera by dragging mouse sideways. Note that during the swing operation, the elevation level should be preserved and the camera should not tilt sideways.

Using a pull-down menu, a user should be able to toggle between grid view on and off.
Quit menu will terminate the program.

Related Discussions:- opengl

Transformation for 3-d scaling, Transformation for 3-D Scaling As we a...

Transformation for 3-D Scaling As we already seen that the scaling process is mainly utilized to change the size of an object. The scale factors find out whether the scaling i

Illustration of a clipping window - raster graphics, Illustration of a Clip...

Illustration of a Clipping window ABCD is placed as follows: A (100, 10), B (160, 10, C (160, 40), D (100, 40) By using Sutherland-Cohen clipping algorithm determine the vis

Design the poster taking, Question : (a) With the help of illustrations...

Question : (a) With the help of illustrations, briefly describe the influence of the following style on layout and typographic design: (i) Bauhaus (ii) Avant Garde (iii)

B splines, What is uniform rational splines

What is uniform rational splines

Normalization transformation, what is normalization transformation?why is i...

what is normalization transformation?why is it needed and important?give simple example also.

Refresh buffer, what is refresh buffer/ identify the content and organisati...

what is refresh buffer/ identify the content and organisation of the refresh buffer for the case of raster display and vector display.

Udp datagram communication and tcp stream communication, Question: a) D...

Question: a) Datagram packet delivery and Virtual circuit packet delivery are two approaches to the delivery of packets by the network layer. Explain. b) What is the meaning

What is persistence, Persistence: How long they continue to emit light (...

Persistence: How long they continue to emit light (that is, have excited electrons returning to the ground state) after the CRT beam is removed. Persistence is defined as the ti

Types of touch panels - input and output devices, Types of Touch panels ...

Types of Touch panels 1) Electrical TSS: Wire grid or the other conductive coating is utilized to specify a voltage drop at the point touched point from that the position ma

Geometric continuity - clipping and 3d primitives, Geometric Continuity ...

Geometric Continuity There is another notion of continuity called geometric continuity. Although the idea existed in differential geometry, the concept was introduced for geome

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd