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̿Ք̵UnityϤϺν϶ϫර͞ͼӤͨ͵͚C#΄͘ΚͩΚ̀
@RyotaMurohoshi
2017/11/26(ᰂ) ϤϺν϶ϫ΄͵Η΄Unityۣ䔶տ
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㺔氂ͽͯ
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var names = new List { "ΊΞΊΞ", "ΥΩΥΩ", "ΙЄΩ" };
var actions = new List();
foreach (string name in names) {
actions.Add(() => {
Debug.Log(name);
});
}
foreach(var action in actions) {
action();
}
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Ω;ᤒᐏͫΡͽͭΝ͜͡Ҙ
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ΊΞΊΞ
ΥΩΥΩ
ΙЄΩ
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Ͷ;͜ͽͭΝ͜Ҙ
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ΙЄΩ
ΙЄΩ
ΙЄΩ
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ͼᤒᐏͫΡ䁰ݳΘ͘ΠΔͯ
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Unity 5.4զӥΟ̵̿ΙЄΩ̵ΙЄΩ̵ΙЄῺ
Unity 5.5զӤΟ̵̿ΊΞΊΞ̵ΥΩΥΩ̵ΙЄῺ
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ͩ΄Ξ͜Ρቘኧ΅̵
C#΄承՛䯭独ͳ΄Ꮘ䃪ጱ䄜ๅ樛㭚ͭΔͯ
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ͳ΄ڹᛔ૩奧Օ
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@RyotaMurohoshi
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Ք෭扖ͯͩ;
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Ք෭΅̿ϤϺν϶ϫ΄͵Η΄Unityۣ䔶տ̀
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̿Ք̵UnityϤϺν϶ϫර͞ͼӤͨ͵͚C#΄͘ΚͩΚ̀
;氂ͭͼ………
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Unityͽ.NET 4.6͢Experimental2017ଙ΄ଙ๛΄Ք̵
C#ΨιЀιЀֵͼUnityͽοЄϭΨ樄咲ͭͼ͚Ρ
ϤϺν϶ϫ΄ΕͫΩݻͧͼ………
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̿ΎЄC#ͼͩΩ՛䯭ΩͶ̀
̿ͩΩ承䱛ᚆ͘ΡΩͶЄ̀
̿ͩ΄̵ࣳᎣΟ͡͵뺶̀
ͼ͞ΡΞ͜扖ΨͭΔͯ
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ᙧว
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Α;ΩͿ΄ϤϺν϶ϫ;ͼ
̿ϤϺν϶ϬЀν承΅ٍ᭲̀
㰜΅ͳ͜ͼ͚Δ̶ͯ
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͠܅ᘏͫΩ͢܅咅ٍ΄ֵ͚ො̵͘ΔΠᎣΟ͡͵Ο͚ΚͽͯΞҘ
य़ૡͫΩ͢ૡٍ΄ֵ͚ො̵樌晅ͼ͚͵Ο͚ΚͽͯΞҘ
ෆ㯪ॊͫΩٍ᭲͢΄ֵ͚ො̵晒୮汜ᤈ䱛㪥Π͵͚ͥͽͯΞҘ
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ٍ̿᭲̀Ψ͚ͭ͢ΣͯΡϤϺ
מ毲ͽ͚ͣͽͯΞҘ
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̿ϤϺν϶ϬЀν承΅ٍ᭲̀Ͷ͡Οͩͳ̵
ϤϺ;ͭͼ晒ڔٍ᭲ΨᎣΠ̵ֵ͚ͩͯΏͣͶ;͚Δͯ
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Ք෭͠扖ͭͯΡٖ΅̵䋚᪢ጱΘ΄ͽ΅͘ΠΔͱΩ
ͩΨᎣͼΕͫΩ΄οЄϭͯͦ͢䄜ΥΡΥͧͽ΅͘ΠΔͱΩ
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ͧͿ̿ͩᎣͼ͚͠ͼΞ͡͵̀;ͼΘΟ͞Ρ
C#΄͠扖Ψͭ͵͚;͚Δͯ
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ͫͣ΄̿ΙЄΩ̵ΙЄΩ̵ΙЄῺ
;ᤒᐏͫΡቘኧ΅̵
C#΄承՛䯭独ͳ΄Ꮘ䃪ጱ䄜ๅ樛㭚ͭΔͯ
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ͳ΄1
foreach΄՛䯭;ͳ΄Ꮘ䃪ጱ䄜ๅ΄扖
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var names = new List { "ΊΞΊΞ", "ΥΩΥΩ", "ΙЄΩ" };
var actions = new List();
foreach (string name in names) {
actions.Add(() => {
Debug.Log(name);
});
}
foreach(var action in actions) {
action();
}
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C# 4.0 -> 5.0ͽ՛䯭͢䄜ΥΠΔͭ͵
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C# 4.0;ͳզڹͽ΅̵
ΙЄΩ
ΙЄΩ
ΙЄΩ
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C# 5.0;ͳզᴳͽ΅
ΊΞΊΞ
ΥΩΥΩ
ΙЄΩ
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C# 5.0΄奾ຎΨ๗இͭΔͯΞҘ
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var names = new List { "ΊΞΊΞ", "ΥΩΥΩ", "ΙЄΩ" };
var actions = new List();
foreach (string name in names) {
actions.Add(() => {
Debug.Log(name);
});
}
foreach(var action in actions) {
action();
}
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foreach΄ٖ᮱՛䯭͢
C# 4.0 -> 5.0ͽ͡ΥΠΔͭ͵
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Θ;Θ;ቘኧ独ϮϷϐϕ͘͢ͼ
C# 4.0΄ٖ᮱՛䯭ͭͼ͚͵΄ͽ̵ͯ͢
ϔϷοЄϕ独϶ϭύୗ΄ڥአ͢䓈ΔΠC# 5.0ͽ՛䯭䄜ๅ
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Unity5.4 -> 5.5ͽ̵承΅ίϐϤϔЄϕͫͼ͚͚ͧͿ
πЀϞα϶ͶͧίϐϤϔЄϕ̶foreach΄ٖ᮱՛䯭Θ䄜ๅ
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var names = new List { "ΊΞΊΞ", "ΥΩΥΩ", "ΙЄΩ" };
var actions = new List();
foreach (string name in names) {
actions.Add(() => {
Debug.Log(name);
});
}
foreach(var action in actions) {
action();
}
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Unity5.4/C# 4.0զӥͽ΅̵
ΙЄΩ
ΙЄΩ
ΙЄΩ
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Unity5.5/C# 5.0զӤͽ΅̵
ΊΞΊΞ
ΥΩΥΩ
ΙЄΩ
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ͩ΄Unity5.4/C# 4.0΄՛䯭
ͽϜϫ͵ՈΘग़͚΄ͽ΅Ҙ
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// Quest΄ϷφϕΨQuestCell΄ϷφϕϝαЀϖ
// Unity 5.4զӥͽ̵ࢯΠͳ͜πЄϖֺ
// Ϳ΄ψϸ͢μϷϐμͫ͵䦒Θ̵๋΄quests΄ᥝᔰͽOnSelectQuest
List quests = LoadQuests()
int index = 0;
foreach (Quest quest in quests) {
QuestCell questCell = questCells[index++];
questCell.Bind(quest);
questCell.SetClickListener(() => {
OnSelectQuest(quest);
});
}
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// ץྋғQuest΄ϷφϕΨQuestCell΄ϷφϕϝαЀϖ
// Unity 5.4զӥͽ̵ࢯΠͳ͜πЄϖֺ΄ࢧᒽ
// ๗இ᭗Π΄㵕ͣѺ
List quests = LoadQuests()
int index = 0;
foreach (Quest quest in quests) {
QuestCell questCell = questCells[index++];
Quest targetQuest = quest; // ͩͩ͢ϪαЀϕ
questCell.Bind(targetQuest);
questCell.SetClickListener(() => {
OnSelectQuest(targetQuest);
});
}
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ݘ͚UnityΨֵͼ͚ΡՈΚ̵
ݘ͚UnityΘ䌏΄϶αϣ϶Ϸ樄咲ᘏ΄Ո
ᥝဳ
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ϷЀμ
h"p:/
/ufcpp.net/study/csharp/ap_ver5.html#foreach
h"ps:/
/qiita.com/RyotaMurohoshi/items/b246ea0f87117ea7f93f
h"ps:/
/qiita.com/RyotaMurohoshi/items/740151bd772889cf07de
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Scrip&ng Run&me Versionͽ.NET 4.6(Experimetal)Ψ晝ΏΆ̵
C#΄ϝЄυϴЀίϐϤͽ᭄ےͫ͵
ࣳΚϮϊϐϖ̵͢UnityͽΘֵ͞Δͯ
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ͳ΄2
ZipϮϊϐϖ/Tupleμ϶φ
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ZipϮϊϐϖ
Zip΅LINQ΄Ϯϊϐϖ
2ͺ΄IEnumerable΄αЀϔϐμφ͢ݶͮΘ΄ݶॊͽ㳌ቘ
ᥝᔰහ͢晅͜䁰ݳ̵㪒ො΄䟦͵ᥝᔰΔͽͭ͡㳌ቘ͚ͫ͢
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Tupleμ϶φ
Ϯϊϐϖͽ愢හ΄ηϣυδμϕΨΔ;Ηͼᬬͭ͵͚
܇ݷࣳ΅ϮϊϐϖΨΔ͵̵͚ͨμ϶φ֢Ρ΄΅ΗΩͿ͚ͥͫ
ͳΩ䦒ڥ̵TupleѺѺѺ
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UniRx΄IObservable.ZipϮϊϐϖΚUniRx.Tuple䯤᭜֛ͽ̵
泿ວΕ͘͢ΡՈΘग़͚ͽͯΞҘ
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List strings = new List { "A", "B", "C" };
List ints = new List { 3, 1, 4, 1, 5 };
IEnumerable> zipped
= strings.Zip(ints, (s, i) => Tuple.Create(s, i));
foreach(Tuple tuple in zipped) {
Debug.Log(tuple);
}
// (A, 3)
// (B, 1)
// (C, 4)
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System.Tuple΅ͳͩΔͽڥͮΙ͚
Item1;͡Item2ͼݷڹ̵Υ͡ΠͻΟ͚
C# 7.0ͽ΄όϤϸ᩻ڥѺUnityͽ΄ጭ䁰๗இѺѺѺ
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;ͩΣͽ̵
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// quests;questCells΄槱ͫ͢晅͜䦒̵㺔氂͘Π
List quests = LoadQuests()
int index = 0;
foreach (Quest quest in quests) {
QuestCell questCell = questCells[index++];
questCell.Bind(quest);
questCell.SetClickListener(() => {
OnSelectQuest(quest);
});
}
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questCells΄ᥝᔰහΞΠquests΄ᥝᔰහ͢ग़͡͵䁰ݳ̵
ArgumentOutOfRangeExcep1on
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ͩ΄πЄϖΨ̵Zip;Tupleͽ䨗ͣ䟵͞Δͯ
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List quests = LoadQuests()
foreach (var tuple in quests.Zip(questCells, Tuple.Create)) {
var quest = tuple.Item1;
var cell = tuple.Item2;
cell.Bind(quest);
cell.SetClickListener(() => {
OnSelectQuest(quest);
});
}
αЀϔϐμφΘͥͼφϐκϷ
๋ڡقͼ΄QuestCellΨᶋᤒᐏͯΡ㳌ቘΘᥝ
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ͩΩఽͮͽ
愢හ΄ϠϲЄ;愢හ΄ϔЄόΨ
奾ΉͺͧΡ䦒ڥͽͯ
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ϷЀμ
h"ps:/
/msdn.microso/.com/library/dd267698(v=vs.110).aspx
h"ps:/
/msdn.microso/.com/library/system.tuple(v=vs.110).aspx
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ͳ΄3
IReadOnlyList
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// ΕΩᜉͥ䨗ͥΚͺ
[SerializeField] List members;
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Unity͚͠ͼ̵System.Collec/ons.Generic.List΅ᇙ㳨ͽͯ
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ͽΘListΚIList΅
͚Σ͚ΣΚͯͤΡorz
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Add(ᥝᔰ᭄ے);͡
Clear(ᥝᔰقڷᴻ);͡
͚ͺΘͭ͵͚Ҙ
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䋚檭̵foreachͽࢧͱͼ̵αЀϔμςͽίμψφͽͣͼ
槱ͫ͢Υ͡ͼ̵LINQ͢ΏΆᜉ͚䁰ᶎ̵ग़͚ͥҘ
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List͚͢Σ͚ΣΚͯͤͼࢯΡֺ
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class Team {
public List Members { get; private set; }
/* Ӿኼ */
}
---
Team team = LoadTeam();
// ΚͼΑ͚֢ͭͥ
// क़ҁTeam΄ڥአᘏ)͡Ο΅̵͚ͩ͜͜୵ͽTeam΄ӾΨ֢ͫ͵͚ͥ
team.Members.Clear();
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䌏ᒽͭΔͭΝ͜
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//ᴠகጱπϡЄ;͚͜䌏ᒽ
class Team {
private List members;
public List Members {
get { return new List(members); }
}
/* Ӿኼ */
}
---
Team team = LoadTeam();
// Clear΅ΏΡͧͿ̵πϡЄͭ͵ϷφϕΨClearͭͼΡ
// Team΄ٖ᮱΄members΅段ͭ
// ͽΘTeam΄ڥአᘏ΅πЄϖ / ϖκϲϮЀϕ抎Δ͚;̵ͳΨᎣ͚
team.Members.Clear();
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ReadOnlyCollec,on΄ڥአ
System.Collec,ons.ObjectModel.ReadOnlyCollec,on
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ReadOnlyCollec,on
Clear;͡Add;͚͡πϹμτϴЀμ϶φ
αЀϔμς̵Count̵LINQΏΡetc
Scrip&ng Run&me Versionͽ.NET 4.6(Experimetal)ͭͥͼΘֵ͞Ρ
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// ReadOnlyCollection΄ڥአ
class Team {
private List members;
public ReadOnlyCollection Members {
get { return new ReadOnlyCollection(members); }
}
/* Ӿኼ */
}
---
Team team = LoadTeam();
// ReadOnlyCollection΅ClearϮϊϐϖΏ͚
// team.Members.Clear();
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Κ͵ѺReadOnlyCollec,on
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ͽΘ̵ᴠகጱπϡЄ
ΗΩͿ͚ͥͫorz
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//̴ز΄ϮϊϐϖΨ↓Ψ
void ShowEnemies(List enemies)
// Ϯϊϐϖٖͽ䨗ͣ䟵͚͞ΞЄͼͩ;Ψ㬃͞Ρ͵Η
void ShowEnemies(ReadOnlyCollection enemies)
ShowEnemies΄ڥአᘏ΅䋚檭ΗΩͿ͚ͥͫ
ListΨፗളΥ͵ͱͰ̵
ReadOnlyCollec,on͚ͭ;͚͚ͧ
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ͳͩͽ̵IReadOnlyList͢ၚ攘
Scrip&ng Run&me Versionͽ.NET 4.6(Experimetal)ͯΡ;ֵ͞Ρ
System.Collec,ons.Generic.IReadOnlyList
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IReadOnlyListαЀόЄϢδЄφ
Listࣳ͢ෛ͵䋚ᤰͭͼ͚ΡαЀόЄϢδЄφ
Add;͡Clear;͡Insert;͚͡Ѻ
ֵ͞Ρ΄΅Count̵αЀϔμς̵GetEnumeratorѺ
ͫͣ΄ReadOnlyCollec,on;IReadOnlyList΅㳨Θ΄
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List list = LoadList();
IReadOnlyList readOnlyList = list;
// readOnlyList.Add(1); Ώ͚
// readOnlyList.Clear(); Ώ͚
var count = readOnlyList.Count;
foreach(var item in readOnlyList) {
Debug.Log(item);
}
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// IReadOnlyList΄ڥአ
class Team {
private List members;
public IReadOnlyList Members {
get { return members; }
}
/* Ӿኼ */
}
---
Team team = LoadTeam();
// IReadOnlyList΅ClearϮϊϐϖΏ͚
// team.Members.Clear();
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//̴ز΄ϮϊϐϖΨ↓΅
void ShowEnemies(List enemies)
// Ϯϊϐϖٖͽ䨗ͣ䟵͚͞ΞЄͼͩ;Ψ㬃͞ͼGood
void ShowEnemies(IReadOnlyList enemies)
ShowEnemies΄ڥአᘏ΅ListΘჁͱΡ
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Read Only ≠ Immutable
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IReadOnlyList readOnlyList = LoadList();
if(readOnlyList is List) {
List list = readOnlyList as List;
list.Clear();
}
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IEnumerableͼ͘ΠΔͯΞ
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IReadOnlyList;IEnumerable΄晅͚
ͳ΅̵ᥝᔰ͢嘦ਧͭͼ͚Ρͭ͡ͼ͚͚͡
IEnumerable΅ٖ᮱㳌ቘ͢ᥝᔰίμψφ΄͵ΉᩳΡݢᚆ͘Π
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List΅Ӿ͢䨗ͣ䟵͞ΟΡϮϊϐϖ͵ͥͫΩ
ϤϺϞϓΰ̵ࣳϮϊϐϖ΄හΚᬬΠ㮔΄ࣳ΅̵
䁰ᶎ䖕ͮͼIReadOnlyListΨၚአͭΔͭΝ͜Ѻ
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IReadOnlyCollec-onΚ
IReadOnlyDic-naryΘ
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ϷЀμ
h"ps:/
/msdn.microso/.com/library/ms132474(v=vs.110).aspx
h"ps:/
/msdn.microso/.com/library/hh192385(v=vs.110).aspx
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ེ΄扖氂ᤈͥڹ
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櫏嘦扯 : ࣳ;姅ಥ;πϹμτϴЀ;ϔϷοЄϕ
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class Enemy { /* ኼ */}
sealed class Boss : Enemy { /* ኼ */}
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Enemy enemy = new Enemy();
Boss boss = new Boss();
Enemy bossInEnemy = new Boss();
// ͩ΅πЀϞαϸε϶Є
// Boss enemyInBoss = new Enemy();
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List enemies = new List();
enemies.Add(new Enemy());
enemies.Add(new Boss());
List bosses = new List();
bosses.Add(new Boss());
// ͩ΅πЀϞαϸε϶Є
// bosses.Add(new Enemy());
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List enemies = new List();
IList enemyList = enemies;
IReadOnlyList enemyReadOnlyList = enemies;
IEnumerable enemyEnumerable = enemies;
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int Square(int num){ return num * num; }
---
Func squareFunc = this.Square;
squareFunc(5);
Func triple = (int num) => num * 3;
triple(7);
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ϔϷοЄϕ => ϮϊϐϖΨ݇ᆙͯΡΚͺ独ͳ΄ࣳ(櫏)
Ac#onΚFunc΅͵ͥͫΩ΄ϔϷοЄϕ΄ࣳ΄Ӟͺ̵䷍አጱΘ΄
LINQΚRx΅ϔϷοЄϕΨහݐΡ̶ͩΨ֢Ρ;̵ͣͳ΄͵ΗϮϊϐϖΨ֢Ρ΄΅儴櫏
϶ϭύୗΨֵ͞Ά̵αЀ϶αЀ㳌ቘΨ䨗͚ͼϔϷοЄϕΨ֢౮ͽͣΡ
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int Square(int num){ return num * num; }
---
Func squareFunc = this.Square;
squareFunc(5);
Func triple = (int num) => num * 3;
triple(7);
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Action toShow = (Enemy e) => Debug.Log(e.ToString());
toShow(new Enemy());
toShow(new Boss());
// ͺͤ΅πЀϞαϸε϶Є
// toShow("Hello")
//
// toShow(3);
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櫏嘦扯 : ࣳ;姅ಥ;πϹμτϴЀ;ϔϷοЄϕ
ͭ͵;ͩΣͽ
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ͳ΄4
䄜
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Actionࣳ΄䄜හAction΄αЀφόЀφΨդفͽ͚ͣѺ
Action actionEnemy = (Enemy e) => { /* ኼ */ };
// .NET 3.5ͽ΅↓΅πЀϞαϸε϶Є
// Action actionBoss = actionEnemy;
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ͷΝ;ᘍ͞ͼΕΔͭΝ͜
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Ac#on;Ac#on΅晅ࣳ͜
դفͽ͚΄΅̿Δ̵͘ͳ̀͜͡;Θͧ͜Ϳ………
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ͩ΅OKͶ͵
Enemy enemy = new Boss();
List enemies = new List();
enemies.Add(new Boss());
Action toShow = (Enemy e) => Debug.Log(e.ToString());
toShow(new Boss());
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ͩ΅OKͶ͵
// Actionࣳ΄䄜හ΅̵Enemyࣳ;ͳΨ姅ಥͭ͵ࣳΨ䜷͞Ρ
Action actionEnemy = (Enemy e) => Debug.Log(e.ToString());
actionEnemy(new Enemy());
actionEnemy(new Boss());
//Actionࣳ΄䄜හ΅̵BossࣳΨ䜷͞Ρ
Action actionBoss = (Boss b) => Debug.Log(b.ToString());
actionBoss(new Boss());
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Ac#on΄䄜හ΅̵Boss͚ͭͩ͡(فͼ͚ͩ)
Ac#on΄αЀφόЀφ΅̵BossΘ䜷͞Ρ(فͼͩΡ)
Ac#onAc#onդفͽͣͼ͚͚΄ͽ΅Ҙ
=> ͧͿ̵䋚檭΅晅ࣳ͜Ͷ͡Οդفͽ͚ͣ
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դفͽͣͼΘ͚͚ͮΙΩ
Action actionEnemy = (Enemy e) => { /* ኼ */ };
// .NET 3.5ͽ΅↓΅πЀϞαϸε϶Є
// Action actionBoss = actionEnemy;
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Scrip&ng Run&me Versionͽ.NET 4.6(Experimetal)Ψ晝Ό;
䋚΅ͽͣΡѺ
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䄜
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C# 4.0͡Ο䄜᭄͢ے
υδϚϷμαЀόЄϢδЄφ/ϔϷοЄϕ΄
ࣳහو䄜独ݍ䄜Ψ೮͵ͱΟΡΞ͜
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֜͢৵͚ͭ΄?
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Ac#on ݍ䄜ΨΘͼ͚Ρ΄ͽ̵դفͽͣΡ
Action actionEnemy = (Enemy e) => { /* ኼ */ };
// UnityͶ;.NET 4.6ͯΆOK
Action actionBoss = actionEnemy;
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Ac#on ݍ䄜ΨΘͼ͚ͼΘύϮֺ
Action actionBoss = (Boss b) => { /* ኼ */ };
// ͩ΅πЀϞαϸε϶Є
// Action actionEnemy = actionBoss;
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ͺͤ΅و䄜
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و䄜͘͢Ρ;৵ֺ͚ͭ
IReadOnlyListΨֺ
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IReadOnlyList bossReadOnlyList = LoadBosses();
// ΘͭC#و䄜͢͡͵Ο̵ེ΅πЀϞαϸε϶Є
IReadOnlyList enemyReadOnlyList = bossReadOnlyList;
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و䄜͘͢Ρ;৵ֺ͚ͭ
IReadOnlyList LoadBosses() { /* ኼ */ }
void ShowEnemies(IReadOnlyList enemies) {/* ኼ */}
----------------------------------------
// ΘͭC#و䄜͢͡͵Ο̵ེ΅πЀϞαϸε϶Є
ShowEnemies(LoadBosses());
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و䄜͘͢Ρ;̵Ϳ͚͜͜䦒৵͚ͭ͡㬃ΥΠΔͭ͵
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و䄜Ψ೮ͺঁΟ΄ֺ
IEnumerable bossEnumerable = LoadBosses();
IEnumerable enemyEnumerable = bossEnumerable;
IReadOnlyList bossReadOnlyList = LoadBosses();
IReadOnlyList enemyReadOnlyList = bossReadOnlyList;
IEnumerator bossEnumerator = LoadBosses().GetEnumerator();
IEnumerator enemyEnumerator = bossEnumerator;
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List LoadBosses() { /* ኼ */ }
---
IReadOnlyList bossReadOnlyList = LoadBosses();
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̿͘Є̵͘Ρ͡Θ̀
ֵ̿͜䦒͘Πͳ͜Ͷ̀
ͼ͜ͽͭΝҘ
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̵̿͘IList΅Ϳ͜΄Ҙ̀
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IList΅̵ӧ䄜ͽͯ
و䄜ͽΘݍ䄜ͽΘ͚ͽͯ
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ΘͭIList͢و䄜Ͷ͵Ο
IList bosses = new List();
// ୮΅ͽ͚ͣͧͿ̵ΘͭIListو䄜͘͢͵Ο
IList enemies = bosses;
// enemies΄䋚䙪΅List̵Enemy΅Addͽ͚ͣ
enemies.Add(new Enemy());
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IList΅̵ӧ䄜ͽͯ
و䄜ͽΘݍ䄜ͽΘ͚ͽͯ
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Scrip&ng Run&me Versionͽ
.NET 4.6(Experimetal)Ψ晝Ό;
䄜ͽαЀόЄϢδφ独ϔϷοЄϕ΄͚͚ࣳ͢ఽͮ
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ͳ΄5
αЀόЄϢδЄφ΄กᐏጱ䋚ᤰΨ
ᇫ丆䖕ͮͼֵ͜͠
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IDragHandler
void OnDrag(PointerEventData);͚͜ϮϊϐϖΨΘͺ
ϖ϶ϐν䭥Ꭳ樛昧ͯΡUnity΄αЀόЄϢδЄφ
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IDragHandlerΨ́ฦ᭗͂䋚ᤰͯΡֺ
public class DragSample : MonoBehaviour, IDragHandler {
public void OnDrag(PointerEventData pointerData {
Debug.Log ("OnDrag");
}
}
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IDragHandlerΨ́กᐏጱ͂䋚ᤰͯΡֺ
public class DragSample : MonoBehaviour, IDragHandler {
// publicͥ͢ͼϮϊϐϖݷ
// αЀόЄϢδЄφݷ̿IDragHandler.̀͢ͺ͚͵
void IDragHandler.OnDrag(PointerEventData pointerData) {
Debug.Log ("OnDrag");
}
}
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晅͚΅Ҙ
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αЀόЄϢδЄφΨฦ᭗䋚ᤰͭ͵䁰ݳ
// DragSampleࣳ΄䄜හͽΘOnDragϮϊϐϖ͢ΏΡ
// dragSample΅DragSampleࣳ
dragSample.OnDrag(pointerData);
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αЀόЄϢδЄφΨกᐏጱ䋚ᤰͭ͵䁰ݳ
// DragSampleࣳ΄䄜හͽ΅OnDragϮϊϐϖ͢Ώ͚
// dragSample.OnDrag(pointerData);̴ૢ΅πЀϞαϸε϶Є
// IDragHandlerࣳ΄䄜හդفͯΆΏΡ
IDragHandler handler = dragSample;
handler.OnDrag(pointerData);
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αЀόЄϢδЄφ΄กᐏጱ䋚ᤰΨͭ͵Ϯϊϐϖ΅
ͳ΄ࣳ΄䄜හ奺ኧͽ́ΏͥͼͭΔ͂͜
ͽ΅ͥͼ̵
́Άͱ͵͚ͥ䁰ݳ̵ΏͥͯΡͩ;͢ͽͣΡѺ͂
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ֺ
ReadOnlyCollec,on΅ICollec,onΨ䋚ᤰͭͼ͚Ρ
ICollec'on.ClearΚICollec'on.AddͿกᐏጱ䋚ᤰ
ReadOnlyΩͶ͡Ο̵ᥝᔰ֢΅ͫͱ͵̶͚ͥΆͱ͵̶͚ͥ
ICollec'onࣳͿ΄䄜හفͼΩͽͭΔ͵䁰ݳ̵NotSupportedExcep'onΨಭͨΡ
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ͽ΅ͫͣ΄Unity΄ֺ䜟ͼ
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ӥ懿΄OnDrag΅̵Unity΄UIαϦЀϕτφϓϭ͢ΩͽͥΡ
public class DragSample : MonoBehaviour, IDragHandler {
void IDragHandler.OnDrag(PointerEventData pointerData) {
Debug.Log ("OnDrag");
}
}
ϪαЀϕ΅̵OnDragϮϊϐϖΨαϦЀϕτφϓϭզक़͡Ο
Άͱ͵͚΄͡Ϳ͜͡Ͷ;͜
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Unity΄UIαϦЀϕτφϓϭ͢ΩͽͥΡ
ͼ͚͜͡ΖͭΣ՜͡ΟΆͱ͵̵͚ͥᴴਧͭ͵͚
Ο̵αЀόЄϢδЄφ΄กᐏጱ䋚ᤰΨͭ͵ො͢Good
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ΘͷΣΩOnDragϮϊϐϖΨτφϓϭզक़͡Ο̵
՜΄μ϶φͿ͡ΟΉڊͯᥝ͘͢ΡΟΆ㳨
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ͳ΄6
Object;Object
usingεαϷίφϔΰϹμϓΰϣ
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Objectμ϶φ
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Objectμ϶φ
• System.Objectμ϶φ
• .NET Framework ΄قμ϶φ΄चμ϶φͽ̵ࣳ檦䍅΄ϸЄϕ
• κЄϼЄϖ̿object̵̀ͽμ϶φݷΨᤒͱΡ
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Objectμ϶φ
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Objectμ϶φ
• UnityEngine.Objectμ϶φ
• Unityͽ᯿ᥝGameObjectΚComponent΄憭μ϶φ
• ΩͽͳΩݷڹͺͧͷΙ͵΄ΔͮͽѺҘ
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Debug.Log;͚͜ϺνΨݺͥϮϊϐϖ
public static void Log(object message, Object context);
ͫЄ̵Ϳͷ͢ͿͷͶҘ
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Debug.Log;͚͜ϺνΨݺͥϮϊϐϖ
public static void Log(object message, Object context);
ᒫӞහ͢System.Objectͽ̵ᒫԫහ͢UnityEngine.Objectͽ
奎ΟΥ͚ͭ͵Ο͘ΠΙ͚ͭ
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ͩͩͽusingεαϷίφϔΰϹμϓΰϣΨֵͼΕΡ
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usingεαϷίφϔΰϹμϓΰϣ
ݷڹᑮ樌Δ͵΅ࣳ΄εαϷίφΨ֢౮ͽͣΡ䱛ᚆ
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using UnityEngine;
using System;
using UnityObject = UnityEngine.Object; // <- usingεαϷίφϔΰϹμϓΰϣ
public class Sample : MonoBehaviour{
void Start () {
// ӥ懿΅UnityEngine.Object
UnityObject unityEngineObject;
// ӥ懿΅System.Objectࣳ
object systemObject;
// ྜஷ͢Ο̵Object΅䨀ซΔΔͽπЀϞαϸε϶Є
// Object ambiguousObject;
}
}
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ͳ΄7
FindObjectOfType
ࣳϞ϶ϮЄό΄ګ夹
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UnityEngine.Object.FindObjectOfTypeϮϊϐϖ
ࣳΨਧͭͼ̵οЄϭτЄЀӾ΄ͳ΄ࣳ΄ηϣυδϕΨݐͽͣΡ
// GameManager΅ᛔ֢΄μ϶φͽ̵MonoBehaviourΨ姅ಥͭͼ͚Ρ
GameManager gameManager = FindObjectOfType ();
gameManager.StartGameLoop ();
GameManagerզक़΄μ϶φ͡ΟͽΘ̵GameManager΄ηϣυδμϕΨݐͽͣΡ
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ེ΄πЄϖ΅ͯΏͼπЀϞαϸε϶Є
string str = FindObjectOfType ();
// MyClass΅ᛔ֢μ϶φ̵UnityEngine.ObjectΨ姅ಥͭͼ͚͚
MyClass myClass = FindObjectOfType ();
// ISample΅ᛔ֢αЀόЄϢδЄφ
ISample sample = FindObjectOfType ();
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Ͳ͡Ҙ
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FindObjectOfType΅
UnityEngine.ObjectࣳࣳϞ϶ϮЄό΄ګ夹͢͡͡ͼ͚Ρ͵Η
T΅UnityEngine.Object͡ͳ΄ςϣμ϶φͽ͚;͚͚ͧ
ࣳϞ϶ϮЄό΄ګ夹Ψֵ͜;υδϚϷϐμμ϶φΚϮϊϐϖ̵
ࣳහਧ独ֵአͽͣΡࣳ΄圵气ګᴴΨے͞Ρͩ;͢ͽͣΡ
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ӥ懿΅πЀϞαϸε϶Є
FindObjectsOfTypeΘUnityEngine.ObjectͽࣳϞ϶ϮЄό΄ګ夹ͫ͢ͼ͚Ρ
ͩͶ;T΅̵UnityEngine.Object独ͳ΄ςϣμ϶φզक़͢Ρݢᚆ͘͢Ρ
public class Utility {
// TࣳͽοЄϭηϣυδμϕ΄ݷڹ͢nameΘ΄Ψݐ
public static T[] FindObjectsOfType (string name) {
return Object.FindObjectsOfType ()
.Where (it => it.name == name)
.ToArray ();
}
}
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ӥ懿΅OK
UnityEngine.ObjectͽࣳϞ϶ϮЄό΄ګ夹ͫ͢ͼ͚Ρ΄ͽ
T΅̵UnityEngine.Object͡ͳ΄ςϣμ϶φ͚ͭͩ͡
public class Utility {
// TࣳͽοЄϭηϣυδμϕ΄ݷڹ͢nameΘ΄Ψݐ
public static T[] FindObjectsOfType (string name)
where T : UnityEngine.Object {
return Object.FindObjectsOfType ()
.Where (it => it.name == name)
.ToArray ();
}
}
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ͳ΄8
ᄍᓒৼ΄ηЄϝЄϺЄϖ
ࣳ䄜䟵ᄍᓒৼ
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ᄍᓒৼ΄ηЄϝЄϺЄϖ
ϳЄσЄਧ嬝ࣳͽΘ+Κ-Ϳ΄ᄍᓒৼֵ͢͞ΡΞ͜ΡΚͺ
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ᄍᓒৼ΄ηЄϝЄϺЄϖ;͚͞Ά
DateTimeࣳ;TimeSpanࣳ΄+;-ηϧϹЄόͽͯ
DateTime dateTime = DateTime.Now + TimeSpan.FromSeconds (30.0);
TimeSpan duration = DateTime.Now - GetStartedTime ();
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UnityͽΘय़ၚ攘
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֖ᗝᒵΨ͘ΟΥͯVector3Κࢧ敢ΨᤒͯQuaternionͽ
ᄍᓒৼ΄ηЄϝЄϺЄϖ͢ਧ嬝ͫͼ͚Ρ
// Quaternion΅ࢥزහ̶ࢧ敢独㵟ᒵͽֵ͜
Quaternion rotation = Quaternion.Euler (0, 0, 90.0F);
Vector3 vectorA = new Vector3 (1.0F, 1.0F, 0.0F);
Vector3 vectorB = new Vector3 (1.0F, -1.0F, 0.0F);
Vector3 addedVector = vectorA + vectorB;
Vector3 scaledVector = 2.0F * vectorA;
Vector3 rotatedVector = rotation * vectorB;
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ࣳ䄜䟵ᄍᓒৼ
กᐏጱࣳΨਧͯΆࣳ䄜䟵Ψᤈ͞Ρกᐏጱࣳ䄜䟵;
ࣳΨਧͭͥͼΘᥝ͵Ο䄜䟵ͭͼͥΡิ焥ጱࣳ䄜䟵
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ࣳ䄜䟵ᄍᓒৼ;͚͞Ά
System.DecimalࣳͽͯΞҘ
// ग़ͥ΄හ㮔ࣳ͡Οิ焥ጱࣳ䄜䟵
decimal num1 = 1;
decimal num2 = 2.0F;
decimal num3 = 3.0;
// ग़ͥ΄හ㮔ࣳΎ΄กᐏጱࣳ䄜䟵
int numA = (int)num1;
float numB = (float)num2;
double numC = (double)num3;
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UnityͽΘ奾䯤ֵΥͼ͚Ρ
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Vector3䯤᭜֛͡ΟVector2䯤᭜֛Ύ΄ิ焥ጱࣳ䄜䟵
// zଷ䰤΅僻憙ͫΡ
Vector2 vector2d = new Vector3 (1.0F, 1.0F, 0.0F);
// zଷ䰤΅0.0F͢䞜فͫΡ
Vector3 vector3d = new Vector2 (1.0F, 1.0F);
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㰜΅̵ͩ২͚ͽ̶ͯ
奾䯤ԪඳΠΔͱΩ͡Ҙ
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UnityEngine.Object͡ΟboolΎ΄ࣳ䄜䟵
// Rigidbody΅姅ಥ檦䍅Ψ昀Ρ;UnityEngine.Object͵ͿΠ፳ͥ
Rigidbody rigidbody = GetComponent();
// ӥ懿΅if (rigidbody != null) { ;䋚搡ݶͮΟ͚ͭ
if (rigidbody) {
rigidbody.AddForce(10.0F * Vector3.forward);
}
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Α;ΩͿ΄ϤϺν϶ϫ;ͼ
̿ϤϺν϶ϬЀν承΅ٍ᭲̀
㰜΅ͳ͜ͼ͚Δ̶ͯ
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͠܅ᘏͫΩ͢܅咅ٍ΄ֵ͚ො̵͘ΔΠᎣΟ͡͵Ο͚ΚͽͯΞҘ
य़ૡͫΩ͢ૡٍ΄ֵ͚ො̵樌晅ͼ͚͵Ο͚ΚͽͯΞҘ
ෆ㯪ॊͫΩٍ᭲͢΄ֵ͚ො̵晒୮汜ᤈ䱛㪥Π͵͚ͥͽͯΞҘ
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ٍ̿᭲̀Ψ͚ͭ͢ΣͯΡϤϺ
מ毲ͽ͚ͣͽͯΞҘ
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̿ϤϺν϶ϬЀν承΅ٍ᭲̀Ͷ͡Οͩͳ̵
ϤϺ;ͭͼ晒ڔٍ᭲ΨᎣΠ̵ֵ͚ͩͯΏͣͶ;͚Δͯ
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Ք෭͠扖ͭͭ͵ٖ΅̵䋚᪢ጱΘ΄ͽ΅͘ΠΔͱΩͽͭ͵̶
ͭͭ͡ΕͫΩ΄C#΄ᎣΟ͡͵承䱛ᚆΨ
͠㬃͞ͽͣ͵΄ͽ΅͚ͽͭΝ͜͡Ҙ
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ͭ͡ΠC#̵UnityΚͼ͚ͣΔͭΝ͜
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̿Ք̵UnityϤϺν϶ϫර͞ͼӤͨ͵͚C#΄͘ΚͩΚ̀
@RyotaMurohoshi
2017/11/26(ᰂ) ϤϺν϶ϫ΄͵Η΄Unityۣ䔶տ