Unity3D 2.1

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Createobj : MonoBehaviour {

	// Use this for initialization
	void Start () {
		// CreatePrimitive 创建游戏对象
		// PrimitiveType.Sphere 你需要创建的物体
		GameObject obj = GameObject.CreatePrimitive (PrimitiveType.Capsule);
		//GetComponent 获取某种组件 渲染体组件 
		obj.GetComponent<Renderer>().material.color = Color.cyan;
		//下面这种直接获取组件的方式也可以
		//obj.GetComponent<Transform> ().position = new Vector3(0.0f,2.0f,0.0f);
		//在C#中如果要表示一个浮点数，要在它的后面加上f
		obj.transform.position = new Vector3(0.0f,2.0f,0.0f);//xyz
		//添加刚体组件
		obj.AddComponent<Rigidbody>();

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

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Jump : MonoBehaviour {

	// Use this for initialization
	void Start () {
		
	}
	
	// Update is called once per frame
	void Update () {
		if (Input.GetMouseButtonDown (0)) {// 0 是鼠标左键 1 是鼠标右键
			this.GetComponent<Transform> ().position += new Vector3 (0.0f, 3.0f, 0.0f);
		}
	}
}