6. •Changesinscope x 1.5 times
•Task analyzing errorx 1.4 times
•Estimating errorx 1.3 times
•One day working time expecting errorx 1.25 times
•Manpower planning errorx 1.75 times
•Quality management errorx 1.3 times
•Technology management errorx 1.3 times
•. . .
Example
1.5 x 1.4 x 1.3 x 1.25 x 1.75 x 1.3 x 1.3
≒10times!!!
8. The HTML5 Mobile “ILLUSION”
1.Crappy canvas performance
2.No WebGL
3.No multi-touch in Android
4.Sound support so bad
5.Limited & terrible debugging tools
9.
10. Now, On Mobile…
1.Canvas performance is solid (iOS 6+, Android 4+)
2.No WebGL, but OpenGL ES-based native wrappers
3.Multi-touch in Android 4+ now
4.Web Audio API in iOS 6+
5.Remote debugging in iOS 6+, Chrome Android 4+
11. There’re some good HTML5 Mobile Engines
1.Pixi.js
2.Cocos2d-JS
3.enchant.js
4.Artic.js
5.CreateJS
6.. . .