LightProbes.bakedProbes

説明

ベイクされたライトプローブの係数

関連項目: SphericalHarmonicsL2.

using UnityEngine;
using UnityEngine.Rendering;

public class ExampleClass : MonoBehaviour
{
	public Color m_Ambient;
	public Light[] m_Lights;
	
	// On start add the contribution of the ambient light and all lights
	// assigned to the lights array to all baked probes.
	void Start()
	{
		SphericalHarmonicsL2[] bakedProbes = LightmapSettings.lightProbes.bakedProbes;
		Vector3[] probePositions = LightmapSettings.lightProbes.positions;
		int probeCount = LightmapSettings.lightProbes.count;
		
		// Clear all probes
		for (int i = 0; i < probeCount; i++)
			bakedProbes[i].Clear();
		
		// Add ambient light to all probes
		for (int i = 0; i < probeCount; i++)
			bakedProbes[i].AddAmbientLight(m_Ambient);
		
		// Add directional and point lights' contribution to all probes
		foreach (Light l in m_Lights)
		{
			if (l.type == LightType.Directional)
			{
				for (int i = 0; i < probeCount; i++)
					bakedProbes[i].AddDirectionalLight(-l.transform.forward, l.color, l.intensity);
			}
			else if (l.type == LightType.Point)
			{
				for (int i = 0; i < probeCount; i++)
					SHAddPointLight(probePositions[i], l.transform.position, l.range, l.color, l.intensity, ref bakedProbes[i]);
			}
		}
		LightmapSettings.lightProbes.bakedProbes = bakedProbes;
	}

	void SHAddPointLight(Vector3 probePosition, Vector3 position, float range, Color color, float intensity, ref SphericalHarmonicsL2 sh)
	{
		// From the point of view of an SH probe, point light looks no different than a directional light,
		// just attenuated and coming from the right direction.
		Vector3 probeToLight = position - probePosition;
		float attenuation = 1.0F / (1.0F + 25.0F * probeToLight.sqrMagnitude / (range * range));
		sh.AddDirectionalLight(probeToLight.normalized, color, intensity * attenuation);
	}
}