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Unity3D 學習教程 12 C# 發射炮彈，

編輯：C#入門知識

Unity3D 學習教程 12 C# 發射炮彈，

建立一個炮彈

一個球體

雙擊腳本

進入編輯器

 1 using UnityEngine;
 2 using System.Collections;
 3 
 4 public class acc : MonoBehaviour {
 5 
 6     // Use this for initialization
 7     public Transform Q;
 8     int speed=50;
 9     void Start () {
10 
11     }
12     
13     // Update is called once per frame
14     void Update () {
15         float x = Input.GetAxis("Horizontal") * Time.deltaTime * speed;//左右移動
16         float z = Input.GetAxis("Vertical") * Time.deltaTime * speed;//    前後移動
17         //主攝像機物體    移動
18         transform.Translate(x,0,z);
19 
20         if(Input.GetKeyDown(KeyCode.Mouse0))
21         {
22             Transform n = (Transform)Instantiate(Q,transform.position,transform.rotation);
23             Vector3 f = transform.TransformDirection(Vector3.forward);
24             n.rigidbody.AddForce(f*2000);
25         }
26 
27         print(x+"--"+z);
28     }
29 }

public Transform Q;

建立一個炮彈 Q

Transform

Transform 變換

Inherits from Component,IEnumerable

Position, rotation and scale of an object.

物體的位置、旋轉和縮放。

Every object in a scene has a Transform. It's used to store and manipulate the position, rotation and scale of the object. Every Transform can have a parent, which allows you to apply position, rotation and scale hierarchically. This is the hierarchy seen in the Hierarchy pane. They also support enumerators so you can loop through children using:

場景中的每一個物體都有一個Transform。用於儲存並操控物體的位置、旋轉和縮放。每一個Transform可以有一個父級，允許你分層次應用位置、旋轉和縮放。可以在Hierarchy面板查看層次關系。他們也支持計數器（enumerator），因此你可以使用循環遍歷子物體。

C#
JavaScript

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
public void Awake() {
foreach (Transform child in transform) {
child.position += Vector3.up * 10.0F;
}
}
}

// Moves all transform children 10 units upwards!
//向上移動所有變換的子物體10個單位
for (var child : Transform in transform) {
	child.position += Vector3.up * 10.0;
}

參見：Physics 類.

Variables變量

position The position of the transform in world space. 在世界空間坐標transform的位置。
localPosition Position of the transform relative to the parent transform. 相對於父級的變換的位置。
eulerAngles The rotation as Euler angles in degrees. 旋轉作為歐拉角度。
localEulerAngles The rotation as Euler angles in degrees relative to the parent transform's rotation. 旋轉作為歐拉角度，相對於父級的變換旋轉角度。
right The red axis of the transform in world space. 在世界空間坐標變換的紅色軸。也就是x軸。
up The green axis of the transform in world space. 在世界空間坐標變換的綠色軸。也就是y軸。
forward The blue axis of the transform in world space. 在世界空間坐標變換的藍色軸。也就是z軸。
rotation The rotation of the transform in world space stored as a Quaternion. 在世界空間坐標物體變換的旋轉角度作為Quaternion儲存。
localRotation The rotation of the transform relative to the parent transform's rotation. 物體變換的旋轉角度相對於父級的物體變換的旋轉角度。
localScale The scale of the transform relative to the parent. 相對於父級物體變換的縮放。
parent The parent of the transform. 物體變換的父級。
worldToLocalMatrix Matrix that transforms a point from world space into local space (Read Only). 矩陣變換的點從世界坐標轉為自身坐標（只讀）。
localToWorldMatrix Matrix that transforms a point from local space into world space (Read Only). 矩陣變換的點從自身坐標轉為世界坐標（只讀）。
root Returns the topmost transform in the hierarchy. 返回層次最高的變換。
childCount The number of children the Transform has. 變換的子物體數量。
lossyScale The global scale of the object (Read Only). 物體的全局縮放（只讀）。

Functions函數

Translate Moves the transform in the direction and distance of translation. 移動transform在translation的方向和距離。
Rotate Applies a rotation of eulerAngles.z degrees around the z axis, eulerAngles.x degrees around the x axis, and eulerAngles.y degrees around the y axis (in that order). 應用一個歐拉角的旋轉角度，eulerAngles.z度圍繞z軸，eulerAngles.x度圍繞x軸，eulerAngles.y度圍繞y軸（這樣的順序）。
RotateAround Rotates the transform about axis passing through point in world coordinates by angle degrees. 按照angle度通過在世界坐標的point軸旋轉物體。
LookAt Rotates the transform so the forward vector points at /target/'s current position. 旋轉物體，這樣向前向量指向target的當前位置。
TransformDirection Transforms direction from local space to world space. 從自身坐標到世界坐標變換方向。
InverseTransformDirection Transforms a direction from world space to local space. The opposite of Transform.TransformDirection. 變換方向從世界坐標到自身坐標。和Transform.TransformDirection相反。
TransformPoint Transforms position from local space to world space. 變換位置從自身坐標到世界坐標。
InverseTransformPoint Transforms position from world space to local space. The opposite of Transform.TransformPoint. 變換位置從世界坐標到自身坐標。和Transform.TransformPoint相反。
DetachChildren Unparents all children. 所有子物體解除父子關系。
Find Finds a child by name and returns it. 通過名字查找子物體並返回它。
IsChildOf Is this transform a child of parent? 這個變換是父級的子物體？

Inherited members繼承成員

Inherited Variables繼承變量

transform The Transform attached to this GameObject (null if there is none attached). Transform附加到GameObject（游戲物體）（如無附加則為空）。
rigidbody The Rigidbody attached to this GameObject (null if there is none attached). Rigidbody附加到GameObject（游戲物體）（如無附加則為空）。
camera The Camera attached to this GameObject (null if there is none attached). Camera附加到GameObject（游戲物體）（如無附加則為空）。
light The Light attached to this GameObject (null if there is none attached). Light附加到GameObject（游戲物體）（如無附加則為空）。
animation The Animation attached to this GameObject (null if there is none attached). Animation附加到GameObject（游戲物體）（如無附加則為空）。
constantForce The ConstantForce attached to this GameObject (null if there is none attached). ConstantForce附加到GameObject（游戲物體）（如無附加則為空）。
renderer The Renderer attached to this GameObject (null if there is none attached). Renderer附加到GameObject（游戲物體）（如無附加則為空）。
audio The AudioSource attached to this GameObject (null if there is none attached). AudioSource附加到GameObject（游戲物體）（如無附加則為空）。
guiText The GUIText attached to this GameObject (null if there is none attached). GUIText附加到GameObject（游戲物體）（如無附加則為空）。
networkView The NetworkView attached to this GameObject (Read Only). (null if there is none attached) NetworkView附加到GameObject（游戲物體）（只讀）（如無附加則為空）。
guiTexture The GUITexture attached to this GameObject (Read Only). (null if there is none attached) GUITexture附加到GameObject（游戲物體）（只讀）（如無附加則為空）。
collider The Collider attached to this GameObject (null if there is none attached). Collider附加到GameObject（游戲物體）（如無附加則為空）。
hingeJoint The HingeJoint attached to this GameObject (null if there is none attached). HingeJoint附加到GameObject（游戲物體）（如無附加則為空）。
particleEmitter The ParticleEmitter attached to this GameObject (null if there is none attached). ParticleEmitter附加到GameObject（游戲物體）（如無附加則為空）。
gameObject The game object this component is attached to. A component is always attached to a game object. 組件附加的游戲物體。一個組件總是被附加到一個游戲物體。
tag The tag of this game object. 游戲物體的標簽。

name The name of the object. //物體的名字
hideFlags Should the object be hidden, saved with the scene or modifiable by the user? 物體是否被隱藏、保存在場景中或被用戶修改？

Inherited Functions繼承函數

GetComponent Returns the component of Type type if the game object has one attached, null if it doesn't. 如果游戲物體有一個附加，則返回Type類型的組件，如果沒有則為null。
GetComponent.<T>
GetComponent Returns the component with name type if the game object has one attached, null if it doesn't. 如果游戲物體有一個附加，則返回名字類型組件，如果沒有則為null。
GetComponentInChildren Returns the component of Type type in the GameObject or any of its children using depth first search. 返回Type類型組件，在GameObject或它的任何子物體使用深度優先搜索，僅返回激活的組件。
GetComponentInChildren.<T>
GetComponentsInChildren Returns all components of Type type in the GameObject or any of its children. 在GameObject或任何它的子物體，返回全部Type類型組件
GetComponentsInChildren.<T>
GetComponents Returns all components of Type type in the GameObject. 在游戲物體返回全部Type類型組件。
GetComponents.<T>
CompareTag Is this game object tagged tag? 游戲物體有被標記標簽麼？
SendMessageUpwards Calls the method named methodName on every MonoBehaviour in this game object and on every ancestor of the behaviour 在游戲物體每一個MonoBehaviour和每一個behaviour的祖先上調用名為methodName的方法。
SendMessage Calls the method named methodName on every MonoBehaviour in this game object. 在游戲物體每一個MonoBehaviour上調用名為methodName的方法。
BroadcastMessage Calls the method named methodName on every MonoBehaviour in this game object or any of its children. 在游戲物體每一個MonoBehaviour和它的全部子物體上調用名為methodName的方法。

GetInstanceID Returns the instance id of the object. 返回物體的實例ID
ToString Returns the name of the game object. 返回游戲物體的名稱。

Inherited Class Functions繼承類函數

operator bool Does the object exist? 物體是否存在？
Instantiate Clones the object original and returns the clone. 克隆原始物體，並返回克隆的物體
Instantiate.<T>
Destroy Removes a gameobject, component or asset. 刪除一個游戲物體、組件或資源
DestroyImmediate Destroys the object obj immediately. It is strongly recommended to use Destroy instead. 立即銷毀物體obj，強烈建議使用Destroy代替。
FindObjectsOfType Returns a list of all active loaded objects of Type type. 返回Type類型的所有激活的加載的物體列表
FindObjectOfType Returns the first active loaded object of Type type. 返回Type類型第一個激活的加載的物體。
operator == Compares if two objects refer to the same 比較如果兩個物體相同
operator != Compares if two objects refer to a different object 比較如果兩個物體不同
DontDestroyOnLoad Makes the object target not be destroyed automatically when loading a new scene. 加載新場景的時候使目標物體不被自動銷毀。

int speed=50;

是步長

if(Input.GetKeyDown(KeyCode.Mouse0))

按下鼠標左鍵

Transform n = (Transform)Instantiate(Q,transform.position,transform.rotation);

創建一個新炮彈

Instantiate 是object類型需要強制轉換

Vector3 f = transform.TransformDirection(Vector3.forward);

三維坐標 Vector3.forward 0 0 1 向前

n.rigidbody.AddForce(f*2000);

給跑斷加力

最後