“Cone de unidade Hit Spotlight Hight Lits Light On Object Test Test” Respostas de código

Cone de unidade Hit Spotlight Hight Lits Light On Object Test Test

public static class SpotLightCastExtension
{
	public static bool InLineOfSight(this UnityEngine.Light light, Vector3 targetWorldPosition, System.Predicate<RaycastHit> collisionTest = null)
	{
		Transform lightTransform = light.transform;
		return ConeCastTest(lightTransform.position, lightTransform.forward, light.spotAngle, light.range, targetWorldPosition, collisionTest);
	}

	public static bool ConeCastTest(Vector3 sourcePosition, Vector3 forward, float openingAngle, float range, Vector3 testPosition, System.Predicate<RaycastHit> validHit = null)
	{
		Vector3 dirDetector = (testPosition - sourcePosition).normalized;
		bool visible = Vector3.Distance(testPosition, sourcePosition) <= range;

		Vector3 start = sourcePosition + forward * range;
		Vector3 projectedDetectedPositionEnd = sourcePosition + dirDetector * range;
		float detectorConeDistance = Vector3.Distance(start, projectedDetectedPositionEnd);
		// if projected object position towards center of light both at end
		// is further distanced than the openAngle max distance
		if (detectorConeDistance > 4 * openingAngle * Mathf.Deg2Rad)
		{
			visible = false;
		}
		// Cast light towards detector, is it blocked by a collider?
		else if (visible 
		    	&& Physics.Linecast(sourcePosition, projectedDetectedPositionEnd, out RaycastHit hit) 
			    && validHit is not null 
			    && !validHit.Invoke(hit))
		{
			visible = false;
		}
		
		return visible;
	}
}