GameObject.CreatePrimitive 创建基本物体

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
	void Start() {
		GameObject plane = GameObject.CreatePrimitive(PrimitiveType.Plane);
		GameObject cube = GameObject.CreatePrimitive(PrimitiveType.Cube);
		cube.transform.position = new Vector3(0, 0.5F, 0);
		GameObject sphere = GameObject.CreatePrimitive(PrimitiveType.Sphere);
		sphere.transform.position = new Vector3(0, 1.5F, 0);
		GameObject capsule = GameObject.CreatePrimitive(PrimitiveType.Capsule);
		capsule.transform.position = new Vector3(2, 1, 0);
		GameObject cylinder = GameObject.CreatePrimitive(PrimitiveType.Cylinder);
		cylinder.transform.position = new Vector3(-2, 1, 0);
	}
}

//在场景中创建一个平面，球体，立方体，胶囊，圆柱体
function Start () {
var plane : GameObject = GameObject.CreatePrimitive(PrimitiveType.Plane);

var cube : GameObject = GameObject.CreatePrimitive(PrimitiveType.Cube);
cube.transform.position = Vector3(0, 0.5, 0);

var sphere : GameObject = GameObject.CreatePrimitive(PrimitiveType.Sphere);
sphere.transform.position = Vector3(0, 1.5, 0);

var capsule : GameObject = GameObject.CreatePrimitive(PrimitiveType.Capsule);
capsule.transform.position = Vector3(2, 1, 0);

var cylinder : GameObject = GameObject.CreatePrimitive(PrimitiveType.Cylinder);
cylinder.transform.position = Vector3(-2, 1, 0);
}