public static void ClosestHit(IntPtr rayOrigin,
IntPtr rayDirection,
float minDistance,
float maxDistance,
ref float hitDistance,
ref Vector3 hitNormal,
ref IntPtr hitMaterial,
IntPtr userData)
{
if (s_origin == null)
{
s_origin = new float[3];
}
if (s_direction == null)
{
s_direction = new float[3];
}
Marshal.Copy(rayOrigin, s_origin, 0, 3);
Marshal.Copy(rayDirection, s_direction, 0, 3);
Vector3 o = new Vector3 {
x = s_origin[0], y = s_origin[1], z = s_origin[2]
};
Vector3 d = new Vector3 {
x = s_direction[0], y = s_direction[1], z = s_direction[2]
};
UnityEngine.Vector3 origin = Common.ConvertVector(o);
UnityEngine.Vector3 direction = Common.ConvertVector(d);
origin += minDistance * direction;
LayerMask layerMask = Scene.GetSteamAudioLayerMask();
if (s_hits == null)
{
s_hits = new RaycastHit[1];
}
int numHits = Physics.RaycastNonAlloc(origin, direction, s_hits, maxDistance, layerMask);
if (numHits == 0)
{
hitDistance = Mathf.Infinity;
return;
}
hitDistance = s_hits[0].distance;
hitNormal = Common.ConvertVector(s_hits[0].normal);
hitMaterial = Scene.GetSteamAudioMaterialBuffer(s_hits[0].collider.transform);
}
public static void ClosestHit(float[] rayOrigin,
float[] rayDirection,
float minDistance,
float maxDistance,
ref float hitDistance,
ref Vector3 hitNormal,
ref IntPtr hitMaterial,
IntPtr userData)
{
UnityEngine.Vector3 origin = Common.ConvertVector(new Vector3 {
x = rayOrigin[0],
y = rayOrigin[1],
z = rayOrigin[2]
});
UnityEngine.Vector3 direction = Common.ConvertVector(new Vector3 {
x = rayDirection[0],
y = rayDirection[1],
z = rayDirection[2]
});
origin += minDistance * direction;
#if IPL_USE_RAYCASTALL
var hits = Physics.RaycastAll(origin, direction, maxDistance);
hitDistance = Mathf.Infinity;
var closestHit = new RaycastHit();
var found = false;
foreach (var hit in hits)
{
if (Scene.HasSteamAudioGeometry(hit.collider.transform))
{
if (hit.distance < hitDistance)
{
hitDistance = hit.distance;
closestHit = hit;
found = true;
}
}
}
if (found)
{
hitNormal = Common.ConvertVector(closestHit.normal); // FIXME: not the correct transform?
hitMaterial = Scene.GetSteamAudioMaterialBuffer(closestHit.collider.transform);
}
#else
LayerMask layerMask = Scene.GetSteamAudioLayerMask();
RaycastHit hit;
var hitValid = Physics.Raycast(origin, direction, out hit, maxDistance, layerMask);
if (!hitValid)
{
hitDistance = Mathf.Infinity;
return;
}
hitDistance = hit.distance;
hitNormal = Common.ConvertVector(hit.normal);
hitMaterial = Scene.GetSteamAudioMaterialBuffer(hit.collider.transform);
#endif
}