2017 unity5 manual_intro

UNITY5
Manual Introduction
官方說明心得整理
Working in Unity
王聖川

Asset
• 資源檔案.
– 資源檔案預設存放在專案目錄底下的 Asset 目錄.
– Asset檔案有對應的unique ID and meta file.
– 專案先匯入資源檔案, 再透過資源產生對應的遊戲物件
(game object)實體.

Asset
• Asset有各自的import setting.
• Asset可以包裝成Asset package ; 也可匯入準備好的
Asset package.

Windows
• Game view - 即時模擬遊戲畫面.
• Inspector window - 遊戲所有物件之屬性檢驗視窗
(inspector), 可檢視與修改編輯.

Windows
• Scene view – 場景(關卡)編輯視窗.
– Scene search場景搜尋功能.
– Game view預設模擬當前的場景內容.

Create Gameplay
• Game object – fundamental for Unity.
– Unity內部系統運行的一切基本物件單位結構.
– 先有scene才有game object.
– 可由components組成各種內容.
– 必備Transform component.
– 可指定Tag與Layer.

Create Gameplay
• Components - for game object.
– 可對game object新增component, 與編輯屬性內容.
– 可透過script程式控制, 配置component.
– 內容行為組成, 由各種不同定義好的模組組合成一個game
object, 實現不同行為之遊戲實體.

Create Gameplay
• Prefab – instantiate game objects. 可視為遊戲
物件設計樣板, 方便透過script做到物件實體化.
– 預先定義來代表特定遊戲實體原型之抽像概念類別.
{ game object  指定components}
– 在Unity設計好一個prefab後, 便可以透過prefab快速
大量產生同類的遊戲實體.

Create Gameplay
• Game input – virtual axes. 遊戲輸入控制.
– 定義虛擬軸向, 實作各類控制.
– 支援VR控制實作 (Oculus Rift ; VIVE).
– Mobile input輸入控制設定.
• Touch / multi-touch / accelerometer.
– Mobile keyboard控制.

Create Gameplay
• Transforms. 物體座標定義與轉換控制.
– Non-uniform scaling: 造成部份運算不精確, 如collision,
rotation update等.
– Runtime中不建議調整物體scaling, 考量正確性與效能, 建
議必要的scaling調整在asset import setting階段進行, 並
採用uniform scaling.

Create Gameplay
• Random in script. 在Unity中實作隨機表現 (可搭配
curve變化).
• Rotation and Orientation.
– Inspector中旋轉角度會顯示euler angle以方便閱讀.
– 但遊戲實際運行中內部旋轉運算皆採用quaternion表達與
計算.
– Script coding中存取一個rotation也必須將它視為
quaternion calculation.

Create Gameplay
• Publish builds.
– Development build for debugger / profiler.
– Build階段排除 Tag: EditorOnly 之物件.

Editor Feature
• 各系統管理頁面.
– Audio manager(聲音); Input manager(輸入裝置);
Network manager(網路); Physics manager(物理引擎);
Time manager(時間).
– 設定面: 編輯器使用設定; Player setting(遊戲產品設定);
Quality setting(畫面品質); Graphics setting(繪圖方法相
關設定); Script execution(腳本執行).
– Tags and layers. Gameobject 標籤(tag)與圖層(layer)設定.

Editor Feature
• Settings managers.
– Player settings. 最終遊戲產品端相關, 建置遊戲release版
本相關的設定.
– Splash screen. 遊戲啟動畫面流程設定, 包含遊戲初次啟動
與下載期間的開頭介紹切頁畫面設定.
• RenderDoc整合(graphics debugger).

Editor Feature
• Special folders:
– Assets: 專案所有資源檔案.
– Editor: editor scripts檔案專用路徑, 遊戲端程式內容不會包
含有此部份 scripts (EditorGUIUtility.Load).
– Editor Default Resources: editor scripts 對應之資源路徑.
Build階段會排除.
– Gizmos: 編輯器小元件提示icon.
– Plugins: 外掛函式庫專用路徑.
– Resources: script(Resources.Load) 讀取之資源檔案.
– Standard Assets: standard asset package匯入時
的資源檔案的存放路徑.
– Streaming Assets: 遊戲啟動後資源會被複製到裝
置系統(iOS/Android/…)中的資源存取對應路徑.

Advanced Dev
• Profiler windows.
– CPU
– Memory
– Physics
– Audio
– Rendering / GPU

Advanced Dev
• Plugins.
– Managed plugin. (managed .NET)
– Native plugin. (C / C++ / obj-c)
– Low-level native plugin. (ex: accessing rendering)

Advanced Dev
• Asset bundle.
– 遠端下載資源功能.
– Build & upload.
– Downloading & load.
– Compression. 檔案壓縮格式. 壓縮格式: LZ4 (效能最佳化) ;
LZMA ( 最佳壓縮比).
– During build: 可排除(shaders/engine scripts).
• Load assets from bundles.
– Binary data in bundle.
– Protection. 檔案保護方案 (encrypt | decrypt).
– Include precompiled script assemblies.

Advanced Dev
• Reduce built size
• Social APIs.
• JSON.
• ScriptableObject – shared reference in script.

Advanced in Editor
• Command line.
• 場景(scene): 文字檔格式.
• AssetDatabase with scripting.
• Text scene file. (better for version control)
• Cache server – for assets.
– 專案中的所有資源可透過cache server集中管理, 減少
專案匯入時間.

Advanced in Editor
• Extended editor window.
– Scripting : EditorWindow, CustomPropertyDrawer,
CustomEditor.
– 開發者自行開發的客製化用途工具視窗.

2017 unity5 manual_intro

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