Liu's Portfolio

The QuadTree

This is ActionScript3.0 version of The QuadTree Demo This is ActionScript3.0 version of The QuadTree used for selection Demo Quote from http://en.wikipedia.org/wiki/Quadtree: A quadtree is a tree data structure in which each internal node has exactly four children. Quadtrees are most often used to partition a two dimensional space by recursively...

Using Binary Heaps in A* Pathfinding

This is ActionScript3.0 version of : A Star Pathfinding with binaryHeaps Demo Content below quoted From http://en.wikipedia.org/wiki/Binary_tree: Binary Tree in Arrays Binary trees can also be stored as an implicit data structure in arrays, and if the tree is a complete binary tree, this method wastes no space. In this compact arrangement, if a...

Demo for A* Pathfinding

This is ActionScript3.0 version of A* Pathfinding: Demo is here In computer science, A* (pronounced “A star” ( listen)) is a computer algorithm that is widely used in pathfinding and graph traversal, the process of plotting an efficiently traversable path between points, called nodes. Noted for its performance and accuracy, it enjoys widespread...

Online image processor

Editor A Demo Editor B...

Batch Image / Photo Watermarker

This tool is built in Flex SDK 3.5 mainly for adding watermarks to photos, images. Featrues: Both text and image watermark are support. No server side codes. Processing instantly. photos/images will not be uploaded to server. the watermark will be added by ActionScript3.0 codes. Able to process up to 1000 images and photos at a time. And an zip file will...

Gallery with smooth slider bar

Gallery for a photo print site Features: Thumbs are loaded in sequence. Smoothly easing slider bar on the bottom. Multiple albums are supported. All data are loaded from a external xml file to make this gallery reusable Photo and thumbs are auto-sized according to Stage size. Full Size of Photo in the background. Background music is supported. Demo A:...

FREE online SWF encryption tool

Encrypt SWF is a FREE online encryption tool for Adobe Flash SWF file. Protect your actionscript and all assets, such as image, sound, movie etc. Defend current all Flash decompilers, make your Flash more secure with only two...

[AS3] Load and register TTF font in runtime.

Why need to load ttf font directly? Editors like text processors, T-Shirt editors and others, can allow user to upload and use their own fonts. How it was done? The ttf font file is loaded and parsed by FontReader. Generate a SWF file in memory that include the pasred TTF font data by as3swf. Loader the generated SWF to the application...