/*
* Check light range for LightSensors that should be lit
*/
public override void LightSensorCheck()
{
litObjects = new List <GameObject>();
if (!light.enabled)
{
return;
}
Vector3 position = transform.position;
Vector3 forward = transform.forward;
float lightAngle = light.spotAngle * 0.5f;
float lightRange = light.range;
float radius = Mathf.Tan(lightAngle * Mathf.Deg2Rad) * lightRange;
float coneHyp = Mathf.Sqrt(lightRange * lightRange + radius * radius);
Collider[] cols = Physics.OverlapCapsule(position + (forward * radius), position + (forward * lightRange), radius, layerMask,
QueryTriggerInteraction.Ignore);
foreach (Collider col in cols)
{
// Check object has a LightSensor
LightSensor sensor = col.GetComponent <LightSensor>();
if (sensor == null)
{
continue;
}
RaycastHit hitInfo;
// perform initial position check
Vector3 sensorPos = sensor.transform.position;
float hitAngle = Vector3.Angle(forward, sensorPos - position);
float rayLength = Utilities.MapValues(hitAngle, 0f, lightAngle, lightRange, coneHyp);
if (hitAngle <= lightAngle && Physics.Raycast(position, sensorPos - position, out hitInfo, rayLength,
layerMask))
{
if (hitInfo.transform == sensor.transform)
{
litObjects.Add(sensor.gameObject);
sensor.LightObject(GetIntensity(hitInfo.point));
continue;
}
}
// if no custom points defined, can just skip expanded check logic
if (!sensor.UseCustomPoints())
{
continue;
}
// TODO: This section will finish when the first lit point is found.
// Thus the intensity returned will be the first one found, rather then the highest of all points hit.
// Unsure what ways around this there might be without constantly needing to check every point.
// TODO: Somehow order points by distance from light????
List <Vector3> points = sensor.GetLightCheckPoints(sensorPos - position);
foreach (Vector3 point in points)
{
// check if the point is within the spot angle
Vector3 dir = point - position;
hitAngle = Vector3.Angle(forward, dir);
if (hitAngle > lightAngle)
{
continue;
}
Ray ray = new Ray(position, dir);
rayLength = Utilities.MapValues(hitAngle, 0f, lightAngle, lightRange, coneHyp);
if (Physics.Raycast(ray, out hitInfo, rayLength, layerMask, QueryTriggerInteraction.Ignore))
{
// only trigger 'lit' status if raycast hits the sensor object
if (hitInfo.transform == sensor.transform)
{
litObjects.Add(sensor.gameObject);
sensor.LightObject(GetIntensity(hitInfo.point));
break;
}
}
}
}
}
/*
* Check light range for LightSensors that should be lit
*/
public override void LightSensorCheck()
{
litObjects = new List <GameObject>();
if (!light.enabled)
{
return;
}
Vector3 position = transform.position;
float range = light.range;
Collider[] cols = Physics.OverlapSphere(position, range, layerMask,
QueryTriggerInteraction.Ignore);
foreach (Collider col in cols)
{
// check object has a LightSensor
LightSensor sensor = col.gameObject.GetComponent <LightSensor>();
if (sensor == null)
{
continue;
}
Vector3 colPos = col.transform.position;
RaycastHit hitInfo;
if (Physics.Raycast(position, colPos - position, out hitInfo, range, layerMask))
{
// perform initial position check
if (hitInfo.transform == col.transform)
{
litObjects.Add(sensor.gameObject);
sensor.LightObject(GetIntensity(hitInfo.point));
continue;
}
}
// if no custom points defined, can just skip next bit of logic
if (!sensor.UseCustomPoints())
{
continue;
}
// TODO: This section will finish when the first lit point is found.
// Thus the intensity returned will be the first one found, rather then the highest of all points hit.
// Unsure what ways around this there might be without constantly needing to check every point.
// TODO: Somehow order points by distance from light????
List <Vector3> points = sensor.GetLightCheckPoints(colPos - position);
foreach (Vector3 point in points)
{
Ray ray = new Ray(position, point - position);
if (Physics.Raycast(ray, out hitInfo, range, layerMask, QueryTriggerInteraction.Ignore))
{
// only trigger 'lit' status if raycast hits the sensor object
if (hitInfo.transform == col.transform)
{
litObjects.Add(sensor.gameObject);
sensor.LightObject(GetIntensity(hitInfo.point));
break;
}
}
}
}
}