public void Simulate(double[] result)
{
var imageSourceCount = ImageSourcePositionCalculator.GetImageSourceCount(maxReflection);
if (imageSourcePositionBuffer == null || imageSourcePositionBuffer.Length < imageSourceCount)
{
imageSourcePositionBuffer = new Vector3[imageSourceCount];
}
ImageSourcePositionCalculator.GetImageSourcePositions(sourcePosition, room, maxReflection,
imageSourcePositionBuffer);
for (var i = 0; i < result.Length; i++)
{
result[i] = 0.0f;
}
for (var i = 0; i < imageSourceCount; i++)
{
var imageSourcePosition = imageSourcePositionBuffer[i];
var distance = Vector3.Distance(imageSourcePosition, listenerPosition);
var delay = distance / room.speedOfSound;
var delaySamples = Mathf.RoundToInt(delay * samplingFrequency);
if (delaySamples >= result.Length)
{
continue;
}
result[delaySamples] += 1.0 / (4.0f * Mathf.PI * distance);
}
}
private void Update()
{
var previousImageSourcePosition = source.position;
for (var reflect = 0; reflect < reflectCount; reflect++)
{
var imageSource = imageSources[reflect];
var realPlane = room.GetPlane(currentCubeFace);
var imagePlane = new Plane()
{
position = realPlane.position * (reflect + 1),
normal = realPlane.normal,
};
imageSource.position = ImageSourcePositionCalculator.GetImageSourcePosition(previousImageSourcePosition, imagePlane);
previousImageSourcePosition = imageSource.position;
var imageRoom = imageRooms[reflect];
imageRoom.position = realPlane.position * (reflect + 1) + room.size / 2.0f;
imageRoom.transform.localScale = room.size;
}
}
private void Update()
{
if (reflectCount == 0)
{
return;
}
ImageSourcePositionCalculator.GetImageSourcePositions(source.position, room, reflectCount,
this.imageSourcePositions);
for (var x = -reflectCount; x <= reflectCount; x++)
{
for (var y = -reflectCount; y <= reflectCount; y++)
{
for (var z = -reflectCount; z <= reflectCount; z++)
{
var imageRoomIndex = (z + reflectCount) +
(y + reflectCount) * (reflectCount * 2 + 1) +
(x + reflectCount) * (int)Math.Pow((reflectCount * 2 + 1), 2);
if (x == 0 && y == 0 && z == 0)
{
imageRooms[imageRoomIndex].gameObject.SetActive(false);
imageSources[imageRoomIndex].gameObject.SetActive(false);
continue;
}
imageRooms[imageRoomIndex].position = new Vector3(room.size.x * x, room.size.y * y, room.size.z * z) + room.size / 2.0f;
imageRooms[imageRoomIndex].localScale = room.size;
imageSources[imageRoomIndex].position = imageSourcePositions[imageRoomIndex];
if (showPath)
{
Debug.DrawLine(imageSourcePositions[imageRoomIndex], listener.position, Color.cyan);
}
}
}
}
}
