Loading .obj files in OpenGL

This is a simple tutorial to load a .obj file (wavefront .obj) using OpenGL. I came up with this loader during my university project, where I had a requirement to load various objects into my OpenGL scene. The aim of the project was to build a 3D environment containing various objects around which one could roam about in first person view as in free roaming games. I wanted to include objects like cars, air-crafts, boats etc in my OpenGL scene....

Read full

Posted on Thursday, October 09, 2014 with 12 comments

A simple way to scale images for responsive web design using html and css

Lets have a look at a simple way to make images scale responsively in a webpage in response to the device on which the webpage is viewed. In the example considered below, the image will scale responsively to the required dimension, stay aligned to the center and will maintain its aspect ratio. If you are viewing this page on a desktop / laptop, try to resize the browser to smaller dimensions and you can see that the image will resize to the browser's...

Read full

Posted on Saturday, September 27, 2014 with 6 comments

Create a signup form with default values for text fields without using the placeholder tag using html, css and javascript

Here is a simple way to generate a web form which has default values loaded into the text fields without actually using a placeholder tag. A placeholder tag is only supported by few browsers. This form uses javascript to achieve the same functionality and works with all browsers having javascript enabled. This is how the signup form behaves in action. Demo New user? Sign up below... Female Male .has_default { color:#888; } .has_value { ...

Read full

Posted on Monday, September 15, 2014 with No comments

Create a facebook login for a website using new facebook php sdk

Creating a facebook login for a website involves the following 3 activities on a high-level. Each of these have been explained in detail below. Obtain App ID and App Secret which is required to initialize the Facebook SDK for login. Download and configure(if required) the Facebook PHP SDK for your website. Authenticate, Authorize and Make requests to the Graph API to obtain the required facebook user...

Read full

Posted on Sunday, September 14, 2014 with 9 comments