ShadowScript3.cs

using UnityEngine;
using System.Collections;

public class ShadowScript3 : MonoBehaviour {

	public Camera shadowCamera;
	public GameObject shadow;
	Texture texRed;
	Texture texGreen;
	Texture texBlue;
	Texture texYellow;

	MeshRenderer rend;
	Texture ShadowMainTexture;
	Material RendMaterial;
	// Use this for initialization
	void Start () {
		shadow = GameObject.Find ("Shadow");
		texRed=Resources.Load("Shadow_red") as Texture;
		texGreen=Resources.Load("Shadow_green") as Texture;
		texBlue=Resources.Load("Shadow_blue") as Texture;
		texYellow=Resources.Load("Shadow_yellow") as Texture;

		rend = shadow.GetComponent<MeshRenderer>();
		RendMaterial = rend.material;
		RendMaterial.mainTexture = texRed;//////////////////////初期値設定
		ShadowMainTexture = rend.material.mainTexture;
	}
	
	// Update is called once per frame
	void Update () {
		if(Input.GetMouseButton(0)) {
			Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
			RaycastHit hit;
			if(Physics.Raycast(ray, out hit, 10000.0f)) {
				Debug.Log ("point:" + hit.point + " obj:" + hit.transform.gameObject);
				shadow.transform.position = hit.point;
				shadowCamera.clearFlags = CameraClearFlags.Nothing;
			}
		}
	}
	int swichInt = 0;
	public void switchBrush(){
		switch (swichInt) {
		case 0:
			RendMaterial.mainTexture = texRed;
			swichInt = 1;
			break;
		case 1:
			RendMaterial.mainTexture = texGreen;
			swichInt = 2;
			break;
		case 2:
			RendMaterial.mainTexture = texBlue;
			swichInt = 3;
			break;
		case 3:
			RendMaterial.mainTexture = texYellow;
			swichInt = 0;
			break;

		default:
			RendMaterial.mainTexture = texYellow;
			swichInt = 0;
			break;
		}

	}
}