c# việt nam - kiến thức - [xna] chuyển động của nhân vật trong xna

7/27/2019 C# Vit Nam - Kin thc - [XNA] Chuyn ng ca nhn vt trong XNA

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[XNA] Chuyn ng ca nhn vt trong XNA

Lp Trnh Game

Hng dn ny s gip bn lm quen vi XNA v to chuyn ng nhnvt n gin

1.chun bdownload XNA game studio 3.1 t trang ca Microsoft ,ci t cho Visual studio 2008to 1 project mi : Visual C#->XNA 3.1->Windows game->OK

2.Sprite image 2D l g ?Sprite image 2D thc cht l 1 image tp hp tt c cc t th c bn ca nhn vt theo mt qui lutno v d v Sprite image

ng nhp | ng k
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3.phn tch v d trn- Hng 1 : l tp hp cc t th c bn ca nhn vt khi nhn vt chuyn ng t di ln trn- Hng 2 : l tp hp cc t th c bn ca nhn vt khi nhn vt chuyn ng t tri qua phi- Hng 3 : l tp hp cc t th c bn ca nhn vt khi nhn vt chuyn ng t trn xung di- Hng 4 : l tp hp cc t th c bn ca nhn vt khi nhn vt chuyn ng t phi qua tri

4.Lm sao to chuyn ng t Sprite ?-Nhn vt hin th trong Game c ct t 1 trong cc t th trong Sprite image trn.Tm gi lkhung ct-Do cc t th xp cch u nhau nn vic xc nh chnh xc khung ct ht sc d dng.C spriteimage c xem nh 1 ma trn 2 chiu cc t th-Khi cn nhn vt chuyn ng. gi s cn nhn vt chuyn ng t di ln trn.Ta s cho ch sdng ca khung ct bng 0 ng thi cho ch s ct lp li t 0->4 v ch stop khi nhn c lnh stop

t chng trnh.-Nh vy tp hp cc t th nhn vt chuyn ng t di ln c load trong thi gian ngn lm chochng ta c cm gic nhn vt bc i t di ln nh tht vy.-Vi cc hng chuyn ng khc th cng lm tng t nhng phi thay i ch s dng ca khungcn ct cho ng vi hng chuyn ng m ta mong munBi 2 : Code chuyn ng nhn vt trong XNAtrong ca s Solution Explorer tm n Content ->Chut Phi->Add->Existing item->chn 1 c i imagenn(nen.png)+chn sprite trn(man.png)Xy dng lp NhanVat.cs001 usingSystem;

002 usingSystem.Collections.Generic;003 usingSystem.Linq;

004 usingMicrosoft.Xna.Framework;

005 usingMicrosoft.Xna.Framework.Audio;

006 usingMicrosoft.Xna.Framework.Content;

007 usingMicrosoft.Xna.Framework.GamerServices;

008 usingMicrosoft.Xna.Framework.Graphics;

009 usingMicrosoft.Xna.Framework.Input;

010 usingMicrosoft.Xna.Framework.Media;

011 usingMicrosoft.Xna.Framework.Net;

012 usingMicrosoft.Xna.Framework.Storage;namespacechuyen_dong_nhan_vat

013 {

014 publicclassNhanVat

015 {

016 privateGame1 Game;

017 privateTexture2D text;//sprite nhan vat

018 privatePoint khungnhin=newPoint(0,0);//vi tri khung nhin

019 privatePoint gioihan=newPoint(5,4);//gioi han khung nhin

020 privatebytekichthuoc=60;//kich thuoc khung nhin 60x60

021 privateintbuocChay = 3;//do dai moi buoc nhan vat

022 privatePoint viTri = newPoint(0,0);//vi tri nhan vat tren man hinh

023 privateHuongChuyenDong huongChuyenDong;

024 privatebooldangChay = false;

025 privateSystem.Windows.Forms.Timer capNhat_X;

026

027 publicNhanVat(Game1 game)

028 {

029 this.Game = game;

030 this.capNhat_X = newSystem.Windows.Forms.Timer();

031 this.capNhat_X.Interval = 100;

032 this.capNhat_X.Enabled = true;

033 capNhat_X.Tick += newEventHandler(capNhat_X_Tick);

034 }

035

036 privatevoidcapNhat_X_Tick(objectsender, EventArgs e)

037 {

038 //X chay tu 0->4

039 //cap nhat dong tac nhan vat

040 if(dangChay)

041 {


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042 if(this.khungnhin.X < this.gioihan.X - 1)

043 {

044 this.khungnhin.X += 1;

045 }

046 elsethis.khungnhin.X = 0;

047 }

048 elsethis.khungnhin.X = 0;

049 }

050 publicvoidLoadContent(ContentManager Content)

051 {

052 this.text = Content.Load("man");053 }

054 publicvoidUpdate()

055 {

056 KeyboardState keys = Keyboard.GetState();

057 if(keys.IsKeyDown(Keys.Left))

058 {

059 //di chuyen tu phai qua trai

060 huongChuyenDong = HuongChuyenDong.PhaiQuaTrai;

061 DiChuyen();

062 return;

063 }

064 if(keys.IsKeyDown(Keys.Right))

065 {

066 //di chuyen tu trai qua phai

067 huongChuyenDong = HuongChuyenDong.TraiQuaPhai;

068 DiChuyen();

069 return;

070 }

071 if(keys.IsKeyDown(Keys.Up))

072 {

073 //di chuyen tu duoi len tren

074 huongChuyenDong = HuongChuyenDong.DuoiLenTren;

075 DiChuyen();

076 return;

077 }

078 if(keys.IsKeyDown(Keys.Down))

079 {

080 //di chuyen tu tren xuong

081 huongChuyenDong = HuongChuyenDong.TrenXuongDuoi;

082 DiChuyen();

083 return;

084 }

085 this.dangChay = false;

086 }

087 publicvoidDraw(SpriteBatch spriteBatch)

088 {

089 spriteBatch.Begin();

090

spriteBatch.Draw(this.text, newRectangle(this.viTri.X,this.viTri.Y,this.kichthuoc,this.kichthuoc), newRectangle(this.khungnhin.X *this.kichthuoc, this.khungnhin.Y *

this.kichthuoc,this.kichthuoc,this.kichthuoc), Color.White, 0, Vector2.Zero,SpriteEffects.None, 0);

091 spriteBatch.End();

092 }

093 privatevoidDiChuyen()

094 {

095 this.dangChay = true;

096 //Y chay tu 0->3

097

098 //cap nhat huong chay

099 if(huongChuyenDong == HuongChuyenDong.DuoiLenTren)

100 {

101 this.viTri.Y -= this.buocChay;

102 this.khungnhin.Y = 0;


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103 }

104 elseif(huongChuyenDong == HuongChuyenDong.TrenXuongDuoi)

105 {

106 this.viTri.Y += this.buocChay;


108 }

109 elseif(huongChuyenDong == HuongChuyenDong.TraiQuaPhai)

110 {

111 this.viTri.X += this.buocChay;


113 }114 elseif(huongChuyenDong == HuongChuyenDong.PhaiQuaTrai)

115 {

116 this.viTri.X -= this.buocChay;


118 }

119 raNgoaiBanDo();

120

121 }

122 privatevoidraNgoaiBanDo()

123 {

124 intxMax = this.Game.Window.ClientBounds.Width;

125 intyMax = this.Game.Window.ClientBounds.Height;

126 if(viTri.X < 0) this.viTri.X += buocChay;

127 if(viTri.X > xMax-kichthuoc) this.viTri.X -= buocChay;

128 if(viTri.Y < 0) this.viTri.Y += buocChay;

129 if(viTri.Y + buocChay > yMax-kichthuoc) this.viTri.Y -= buocChay;

130

131 }

132 }

133 }

xy dng enum HuongChuyenDong.cs01 usingSystem;

02 usingSystem.Collections.Generic;

03 usingSystem.Linq;

04 usingSystem.Text;namespacechuyen_dong_nhan_vat

05 {

06 publicenumHuongChuyenDong07 {

08 TraiQuaPhai,

09 PhaiQuaTrai,

10 TrenXuongDuoi,

11 DuoiLenTren,

12 }

13 }

code trong Game1.cs nh sau01 usingSystem;

02 usingSystem.Collections.Generic;

03 usingSystem.Linq;

04 usingMicrosoft.Xna.Framework;

05 usingMicrosoft.Xna.Framework.Audio;06 usingMicrosoft.Xna.Framework.Content;

07 usingMicrosoft.Xna.Framework.GamerServices;

08 usingMicrosoft.Xna.Framework.Graphics;

09 usingMicrosoft.Xna.Framework.Input;

10 usingMicrosoft.Xna.Framework.Media;

11 usingMicrosoft.Xna.Framework.Net;

12 usingMicrosoft.Xna.Framework.Storage;

13

14 namespacechuyen_dong_nhan_vat

15 {

16

17 publicclassGame1 : Microsoft.Xna.Framework.Game

18 {


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19 privateGraphicsDeviceManager graphics;

20 privateSpriteBatch spriteBatch;

21 privateNhanVat nhanVat;

22 privateTexture2D nen;

23 publicGame1()

24 {

25 graphics = newGraphicsDeviceManager(this);

26 Content.RootDirectory = "Content";

27 nhanVat = newNhanVat(this);

28 }

29 30 protectedoverridevoidInitialize()

31 {

32

33 base.Initialize();

34 }

35

36 protectedoverridevoidLoadContent()

37 {

38 spriteBatch = newSpriteBatch(GraphicsDevice);

39 this.nen = Content.Load("nen");

40 this.nhanVat.LoadContent(this.Content);//load sprite cua nhan vat

41 }

42

43 protectedoverridevoidUnloadContent()

44 {

45

46 }

47

48 protectedoverridevoidUpdate(GameTime gameTime)

49 {

50

51 if(GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed)

52 this.Exit();

53 this.nhanVat.Update();//update chuyen dong nhan vat

54 base.Update(gameTime);

55 }

56 57 protectedoverridevoidDraw(GameTime gameTime)

58 {

59 GraphicsDevice.Clear(Color.CornflowerBlue);

60 spriteBatch.Begin();

61 spriteBatch.Draw(this.nen,newVector2(0,0),Color.White);

62 spriteBatch.End();

63 this.nhanVat.Draw(this.spriteBatch);//ve nhan vat len man hinh

64 base.Draw(gameTime);

65 }

66 }

67 }

xong ri ! y l kt quby gi nhn cc phm nhn vt s chuyn ng rt mt


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