建立一个炮弹

一个球体

双击脚本

进入编辑器

 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;//左右移动
16         float z = Input.GetAxis("Vertical") * Time.deltaTime * speed;//    前后移动
17         //主摄像机物体    移动
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;

建立一个炮弹 Q  

Transform

Transform 变换

Inherits from Component,IEnumerable

Position, rotation and scale of an object.

物体的位置、旋转和缩放。

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:

场景中的每一个物体都有一个Transform。用于储存并操控物体的位置、旋转和缩放。每一个Transform可以有一个父级，允许你分层次应用位置、旋转和缩放。可以在Hierarchy面板查看层次关系。他们也支持计数器（enumerator），因此你可以使用循环遍历子物体。

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!
//向上移动所有变换的子物体10个单位
for (var child : Transform in transform) {
	child.position += Vector3.up * 10.0;
}

参见：Physics 类.

Variables变量

• position
  The position of the transform in world space. 在世界空间坐标transform的位置。
• localPosition
  Position of the transform relative to the parent transform. 相对于父级的变换的位置。
• eulerAngles
  The rotation as Euler angles in degrees. 旋转作为欧拉角度。
• localEulerAngles
  The rotation as Euler angles in degrees relative to the parent transform‘s rotation. 旋转作为欧拉角度，相对于父级的变换旋转角度。
• right
  The red axis of the transform in world space. 在世界空间坐标变换的红色轴。也就是x轴。
• up
  The green axis of the transform in world space. 在世界空间坐标变换的绿色轴。也就是y轴。
• forward
  The blue axis of the transform in world space. 在世界空间坐标变换的蓝色轴。也就是z轴。
• rotation
  The rotation of the transform in world space stored as a Quaternion. 在世界空间坐标物体变换的旋转角度作为Quaternion储存。
• localRotation
  The rotation of the transform relative to the parent transform‘s rotation. 物体变换的旋转角度相对于父级的物体变换的旋转角度。
• localScale
  The scale of the transform relative to the parent. 相对于父级物体变换的缩放。
• parent
  The parent of the transform. 物体变换的父级。
• worldToLocalMatrix
  Matrix that transforms a point from world space into local space (Read Only). 矩阵变换的点从世界坐标转为自身坐标（只读）。
• localToWorldMatrix
  Matrix that transforms a point from local space into world space (Read Only). 矩阵变换的点从自身坐标转为世界坐标（只读）。
• root
  Returns the topmost transform in the hierarchy. 返回层次最高的变换。
• childCount
  The number of children the Transform has. 变换的子物体数量。
• lossyScale
  The global scale of the object (Read Only). 物体的全局缩放（只读）。

Functions函数

• Translate
  Moves the transform in the direction and distance of translation. 移动transform在translation的方向和距离。
• 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). 应用一个欧拉角的旋转角度，eulerAngles.z度围绕z轴，eulerAngles.x度围绕x轴，eulerAngles.y度围绕y轴（这样的顺序）。
• RotateAround
  Rotates the transform about axis passing through point in world coordinates by angle degrees. 按照angle度通过在世界坐标的point轴旋转物体。
• LookAt
  Rotates the transform so the forward vector points at /target/‘s current position. 旋转物体，这样向前向量指向target的当前位置。
• TransformDirection
  Transforms direction from local space to world space. 从自身坐标到世界坐标变换方向。
• InverseTransformDirection
  Transforms a direction from world space to local space. The opposite of Transform.TransformDirection. 变换方向从世界坐标到自身坐标。和Transform.TransformDirection相反。
• TransformPoint
  Transforms position from local space to world space. 变换位置从自身坐标到世界坐标。
• InverseTransformPoint
  Transforms position from world space to local space. The opposite of Transform.TransformPoint. 变换位置从世界坐标到自身坐标。和Transform.TransformPoint相反。
• DetachChildren
  Unparents all children. 所有子物体解除父子关系。
• Find
  Finds a child by name and returns it. 通过名字查找子物体并返回它。
• IsChildOf
  Is this transform a child of parent? 这个变换是父级的子物体？

Inherited members继承成员

Inherited Variables继承变量

• transform
  The Transform attached to this GameObject (null if there is none attached). Transform附加到GameObject（游戏物体）（如无附加则为空）。
• rigidbody
  The Rigidbody attached to this GameObject (null if there is none attached). Rigidbody附加到GameObject（游戏物体）（如无附加则为空）。
• camera
  The Camera attached to this GameObject (null if there is none attached). Camera附加到GameObject（游戏物体）（如无附加则为空）。
• light
  The Light attached to this GameObject (null if there is none attached). Light附加到GameObject（游戏物体）（如无附加则为空）。
• animation
  The Animation attached to this GameObject (null if there is none attached). Animation附加到GameObject（游戏物体）（如无附加则为空）。
• constantForce
  The ConstantForce attached to this GameObject (null if there is none attached). ConstantForce附加到GameObject（游戏物体）（如无附加则为空）。
• renderer
  The Renderer attached to this GameObject (null if there is none attached). Renderer附加到GameObject（游戏物体）（如无附加则为空）。
• audio
  The AudioSource attached to this GameObject (null if there is none attached). AudioSource附加到GameObject（游戏物体）（如无附加则为空）。
• guiText
  The GUIText attached to this GameObject (null if there is none attached). GUIText附加到GameObject（游戏物体）（如无附加则为空）。
• networkView
  The NetworkView attached to this GameObject (Read Only). (null if there is none attached) NetworkView附加到GameObject（游戏物体）（只读）（如无附加则为空）。
• guiTexture
  The GUITexture attached to this GameObject (Read Only). (null if there is none attached) GUITexture附加到GameObject（游戏物体）（只读）（如无附加则为空）。
• collider
  The Collider attached to this GameObject (null if there is none attached). Collider附加到GameObject（游戏物体）（如无附加则为空）。
• hingeJoint
  The HingeJoint attached to this GameObject (null if there is none attached). HingeJoint附加到GameObject（游戏物体）（如无附加则为空）。
• particleEmitter
  The ParticleEmitter attached to this GameObject (null if there is none attached). ParticleEmitter附加到GameObject（游戏物体）（如无附加则为空）。
• gameObject
  The game object this component is attached to. A component is always attached to a game object. 组件附加的游戏物体。一个组件总是被附加到一个游戏物体。
• tag
  The tag of this game object. 游戏物体的标签。

• name
  The name of the object. //物体的名字
• hideFlags
  Should the object be hidden, saved with the scene or modifiable by the user? 物体是否被隐藏、保存在场景中或被用户修改？

Inherited Functions继承函数

• GetComponent
  Returns the component of Type type if the game object has one attached, null if it doesn‘t. 如果游戏物体有一个附加，则返回Type类型的组件，如果没有则为null。
• GetComponent.<T>
   
• GetComponent
  Returns the component with name type if the game object has one attached, null if it doesn‘t. 如果游戏物体有一个附加，则返回名字类型组件，如果没有则为null。
• GetComponentInChildren
  Returns the component of Type type in the GameObject or any of its children using depth first search. 返回Type类型组件，在GameObject或它的任何子物体使用深度优先搜索，仅返回激活的组件。
• GetComponentInChildren.<T>
   
• GetComponentsInChildren
  Returns all components of Type type in the GameObject or any of its children. 在GameObject或任何它的子物体，返回全部Type类型组件
• GetComponentsInChildren.<T>
   
• GetComponents
  Returns all components of Type type in the GameObject. 在游戏物体返回全部Type类型组件。
• GetComponents.<T>
   
• CompareTag
  Is this game object tagged tag? 游戏物体有被标记标签么？
• SendMessageUpwards
  Calls the method named methodName on every MonoBehaviour in this game object and on every ancestor of the behaviour 在游戏物体每一个MonoBehaviour和每一个behaviour的祖先上调用名为methodName的方法。
• SendMessage
  Calls the method named methodName on every MonoBehaviour in this game object. 在游戏物体每一个MonoBehaviour上调用名为methodName的方法。
• BroadcastMessage
  Calls the method named methodName on every MonoBehaviour in this game object or any of its children. 在游戏物体每一个MonoBehaviour和它的全部子物体上调用名为methodName的方法。

• GetInstanceID
  Returns the instance id of the object. 返回物体的实例ID
• ToString
  Returns the name of the game object. 返回游戏物体的名称。

Inherited Class Functions继承类函数

• operator bool
  Does the object exist? 物体是否存在？
• Instantiate
  Clones the object original and returns the clone. 克隆原始物体，并返回克隆的物体
• Instantiate.<T>
   
• Destroy
  Removes a gameobject, component or asset. 删除一个游戏物体、组件或资源
• DestroyImmediate
  Destroys the object obj immediately. It is strongly recommended to use Destroy instead. 立即销毁物体obj，强烈建议使用Destroy代替。
• FindObjectsOfType
  Returns a list of all active loaded objects of Type type. 返回Type类型的所有激活的加载的物体列表
• FindObjectOfType
  Returns the first active loaded object of Type type. 返回Type类型第一个激活的加载的物体。
• operator ==
  Compares if two objects refer to the same 比较如果两个物体相同
• operator !=
  Compares if two objects refer to a different object 比较如果两个物体不同
• DontDestroyOnLoad
  Makes the object target not be destroyed automatically when loading a new scene. 加载新场景的时候使目标物体不被自动销毁。

int speed=50;

是步长

if(Input.GetKeyDown(KeyCode.Mouse0))

按下鼠标左键

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

创建一个新炮弹

Instantiate 是object类型  需要强制转换

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

三维坐标 Vector3.forward 0 0 1 向前

n.rigidbody.AddForce(f*2000);

给跑断加力

最后

点击 摄像头 把炮弹拖向 定义的public的变量

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