创建刀光

using System.Collections;

using System.Collections.Generic;

using UnityEngine;

using UnityEngine.UI;

public class CutFruit : MonoBehaviour {

private GameObject knife;

private Vector3 startPos;

private Vector3 endPos;

private GameObject canver;

void Start () {

knife = (GameObject)Resources.Load("Prefabs/Knife");

canver = GameObject.Find("Canvas");

Debug.Log(knife.name);

}

void Update () {

if (Input.GetMouseButtonDown(0))

{

startPos = Input.mousePosition;

}

if (Input.GetMouseButtonUp(0))

{

endPos = Input.mousePosition;

if (endPos != startPos)

{

// 计算夹角

float angle = (endPos.y - startPos.y) / (endPos.x - startPos.x);

float angle1 = Mathf.Atan(angle);

float angle2 = angle1 * 180 / Mathf.PI;

// 计算位置

Vector3 knifPos =(startPos + (endPos - startPos) / 2);

// 实例化

GameObject knif = Instantiate(knife);

knif.transform.position = knifPos;

knif.transform.rotation = Quaternion.AngleAxis(angle2, Vector3.forward);

knif.transform.parent = canver.transform;

Destroy(knif, 1.5f);

}

}

}

}

创建水果生成器

using System.Collections;

using System.Collections.Generic;

using UnityEngine;

public class Friut : MonoBehaviour {

public GameObject canvas;

// 水果集合

public GameObject[] fruits;

void Start () {

canvas = GameObject.Find("Canvas");

// 定时执行某个方法，(方法名，多少秒后执行，重复执行间隔)

InvokeRepeating("Creat", 0f, 4f);

}

private void Creat()

{

int index = Random.Range(0, 4);

GameObject fruit = Instantiate(fruits[index]) as GameObject;

fruit.transform.parent = canvas.transform;

fruit.GetComponent().position = new Vector3(Random.Range(35f, Screen.width - 35f), 50, 0);

fruit.AddComponent().AddForce(new Vector3(0f, 90f, 0f), ForceMode.Impulse);

}

}

using UnityEngine;

// 刀光对象检测物体

public class CutTrigger : MonoBehaviour {

void Start () {

}

private void OnTriggerEnter(Collider other)

{

// 可以获取水果类型了

Debug.Log(other.name);

if (other.tag == "Pear")

{

InitFruit("Prefabs/pear01", other.gameObject);

// 分数加1

}

if (other.tag == "Apple")

{

InitFruit("Prefabs/apple01", other.gameObject);

// 分数加1

}

if (other.tag == "Banana")

{

InitFruitTwo("Prefabs/banana", other.gameObject);

// 分数加2

}

if (other.tag == "Gapple")

{

InitFruit("Prefabs/gapple01", other.gameObject);

// 分数加10

}

if (other.tag == "Life")

{

InitFruitTwo("Prefabs/life", other.gameObject);

// 生命-1

}

}

// 一种图片水果

public void InitFruit(string path, GameObject obj)

{

// 切到水果了，创建切后的水果对象

GameObject fruit = Instantiate(Resources.Load(path) as GameObject);

fruit.transform.position = obj.transform.position;

fruit.transform.parent = obj.transform.parent;

fruit.transform.rotation = obj.transform.rotation;

// 销毁原水果

Destroy(obj);

// 销毁切后的水果对象

Destroy(fruit, 0.2f);

}

// 两种图片水果

public void InitFruitTwo(string path, GameObject obj)

{

// 切到水果了，创建切后的水果对象

GameObject fruit = Instantiate(Resources.Load(path + "02") as GameObject);

fruit.transform.position = obj.transform.position - new Vector3(0,35,0);

fruit.transform.parent = obj.transform.parent;

fruit.transform.rotation = obj.transform.rotation;

GameObject fruit1 = Instantiate(Resources.Load(path + "01" ) as GameObject);

fruit1.transform.position = obj.transform.position - new Vector3(0, 65, 0);

fruit1.transform.parent = obj.transform.parent;

fruit1.transform.rotation = obj.transform.rotation;

// 销毁原水果

Destroy(obj);

// 销毁切后的水果对象

Destroy(fruit, 0.2f);

Destroy(fruit1, 0.2f);

}

}