Unity 3D

APP development

• become famous quickly, then disappear quickly

• Unity AR
• markless (no more traditional black-white mark)
• multiple mark
• fast, accurate
• occlusion could be up to 50%
• feature extraction patent
• low cost

Feature

• Shuriken Particle System (game class)
• module, group, curve editor
• Path Finding
• Nav Mesh
• Nav Mesh Agent
• Off Mesh Link (jump over river)
• Scene Occlusion Culling & LOD
• Light Probes (light detection)
• query light map
• Flash
• deploy to flash player
• Google Chrome native cloent deployment

• Unity 3D Book
• 跨平新書介紹New book
• Substance (dynamic procedure texture)
• Maya 3DSMAX built-in
• small data size

What?

Why rhythm game?

• high profit
• lower technical difficulty

跨平台Game Dev Tool

Mobile - MMO

Cross Platform

Unity 3D

Theia (2009)

Failure

• lack of composer
• crap interface

Enhancement

• fine-tuned interface
• illustration

Mozarc (2010)

Failure

• agents controlled
• difficult maintainance of arcade
• The laws (from A-bien in jail) kill arcade

Rayark

Feature

• mobile app
• excellent original music (professional composer support)
• fine-tuned interface
• new era agents: iTunes

Unity 3D in 2D game?

• 2D object:
• sprite
• font
• frame-based animation
• ex2D plugin offer:
• sprite
• layer: alpha blending, add, etc
• font
• two-color fonts
• BMFont
• sprite animation
• frame-based
• Atlas editor
• sprite in a texture
• # GUI Border
• # Layer Manager

Scrum development

• sprint then get user feedback
• develop with Unity 3D, including Unity 3D tutorial, 2 week!!!

Refinement

• tempo point radius
• tempo error timing
• 3 type tempo animation

Community

• Game Center
• X Unity Native CAll
• O Unity 3.5 built-in
• OpenFeint
• Unity Plugin
• Facebook & Twitter
• Prime31Plugin
• $60 USD

issue

• huge market share
• god damn hardware difference
• APK < 50MB, expansion file < 2GB
• Unity 3D solution: Asset Bundle
• No directory structure, sucks!

Cytus (2011)

texture compression

• X. ETC (GLES standard)
• lack of alpha channel
• 1. DXT (nVidia)
• tablet
• 2. ATITC (Qualcomm)
• HTC, Sony
• 3. PVRTC (PowerVR)
• Samsung, Motorola

Android, evil green robot

platform specific

• X multiple APK
• X package every texture compression format
• O different asset bundle

target

• iPhone4 -> smooth
• iPhone 3GS & iPad 1 -> ok

music issue

• MP3 192kbps
• codec cause delay
• hardware buffer delay

iOS, the religion belong to Steve Jobs

texture compression

• PVRTC
• (2^m)*(2^n) limitation
• size become 1/8
• crap quality
• PVRTexTool
• better quality & smaller size
• iPad1
• higher resolution, lower memory
• compress sprite animation only

Performance

• remove pixel shader
• reorder texture atlas
• Instentiate() is slow
• object pool

Model

• Suenaga Mirai