Series: Polyvia

Get Video from Local Camera & Read from Shader Texture with Three.js

In this post, we are going to introduce how to use THREE.ShaderPass to write shaders for video from local camera and get pixel data from the rendered composer. We will take THREE.EdgeShader as example and read the rendered edges from it.

Series: Polyvia

Wrapping Third-Party Libraries for RequireJS

Third-Party libraries sometimes come without AMD version. This post introduces a method to wrap them using shim. I’m going to take Three.js as example.

Drawing Heatmap with HTML Canvas

This post introduces how to draw a heatmap chart using Canvas. By the end of the post, you can get the result as shown in the following image.

Series: Polyvia

Upload Images with dat.GUI

This post introduces how to use JavaScript to upload a single image with dat.GUI. The file name of the image would be displayed in dat.GUI once the user chose an image.

Series: Polyvia

Jade for GitHub Pages

This post talks about setting up Jade environment on GitHub Pages. GitHub Pages uses Jekyll for static HTML generating, which is how this very blog be hosted. You may probably find Jekyll lovely, after some period of adapting. Jekyll is especially more suitable for generating blogs than some random Websites. But for a general Website, we usually need to save ourselves from writing tags after tags. And Jade is what we needed.

Series: JavaScript Language Feature

Delete As In JavaScript

Something you may not know about JavaScript delete.