yzyCli/u3d/Assets/LuaFramework/AssetBundleRes/scene/terrain/scripts/SceneLight.cs

using UnityEngine;
using System.Collections;

public class SceneLight : MonoBehaviour {

	void Awake() 
	{
		UpdateLight();
	}


	// void Update()
	// {
		//UpdateLight();
	// }

	void UpdateLight()
	{
        Light lit = GetComponent<Light>();
		if (lit != null && lit.type == LightType.Directional)
		{
			Vector4 col = new Vector4(lit.color.r, lit.color.g, lit.color.b, lit.color.a);
			col *= lit.intensity;
			Shader.SetGlobalVector("_GlobalLightColor", col);
			Vector3 dir = -lit.transform.forward;
			Shader.SetGlobalVector("_GlobalLightDir", new Vector4(dir.x, dir.y, dir.z, 0f));
		}
	}

	
}