// Create a plane, sphere and cube in the scene.

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);
}

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);
    }
}

import UnityEngine
import System.Collections

class example(MonoBehaviour):

    def Start():
        plane as GameObject = GameObject.CreatePrimitive(PrimitiveType.Plane)
        cube as GameObject = GameObject.CreatePrimitive(PrimitiveType.Cube)
        cube.transform.position = Vector3(0, 0.5F, 0)
        sphere as GameObject = GameObject.CreatePrimitive(PrimitiveType.Sphere)
        sphere.transform.position = Vector3(0, 1.5F, 0)
        capsule as GameObject = GameObject.CreatePrimitive(PrimitiveType.Capsule)
        capsule.transform.position = Vector3(2, 1, 0)
        cylinder as GameObject = GameObject.CreatePrimitive(PrimitiveType.Cylinder)
        cylinder.transform.position = Vector3(-2, 1, 0)