WebGL Sprite test

1. Sprite Scale, Position, Rotation edit using script. Everything change smoothly using Unity Coroutine. Code in Update() function use Time.deltaTime to ensure that it got same result in devices which run different frame rate.

2. Data base development, the content can be easily change by editing the value of some arrays.

3.Using base UI Component, the text of the introduction come out one by one. The speed is based on the length of the string, make sure it can be show normally.