【Unity3d脚本】动画播放以及射线查询脚本

using UnityEngine;
using System.Collections;

public class SampleMoveScriptC : MonoBehaviour {

public float speed = 3.0f;
public float rotatationSpeed = 200.0f;
private float curSpeed = 0.0f;

private GameObject obj = null;
private Vector3 point;

// Use this for initialization
void Start () {
obj = GameObject.Find("robot");
}

// Update is called once per frame
void Update () {

if(Input.GetMouseButtonDown(0))//Down或Up
{
Ray ray = Camera.main.ScreenPointToRay (Input.mousePosition);
RaycastHit hit;
if(Physics.Raycast(ray,out hit))
{
if(hit.collider.gameObject.name=="Cube")//射线碰撞到的物体名称
{
point = hit.point;
obj.transform.LookAt(new Vector3(point.x, obj.transform.position.y, point.z));

}
}
}

float newSpeed = Input.GetAxis("Vertical") * speed;
if (Input.GetKey("left shift"))
{
newSpeed *= 1.5f;
}
float distance = Vector3.Distance(point, transform.position);
CharacterController controller = obj.GetComponent<CharacterController>();
Vector3 forward = Vector3.ClampMagnitude(point - obj.transform.position, 1.5f);
if(Mathf.Abs(distance) > 1.45f && controller)
{
//Unity3D脚本：www.unitymanual.com
obj.animation.CrossFade("run");
controller.SimpleMove(forward * 1.5f);
}
else
{
obj.animation.CrossFade("idle");
}

}

}