private void OnTriggerExit(Collider otherCollider) {
// Making sure the object we have left is DynamicWater
if (_water != null && otherCollider.CompareTag(FluidVolume.DynamicWaterTagName) &&
otherCollider == _water.Collider) {
_water = null;
}
}
private void OnTriggerEnter(Collider otherCollider)
{
// Making sure the object we have entered is DynamicWater
if (otherCollider.CompareTag(FluidVolume.DynamicWaterTagName))
{
_water = otherCollider.gameObject.GetComponent <DynamicWater>();
}
}
private void OnTriggerExit(Collider otherCollider)
{
// Making sure the object we have left is DynamicWater
if (_water != null && otherCollider.CompareTag(FluidVolume.DynamicWaterTagName) &&
otherCollider == _water.Collider)
{
_water = null;
}
}
/// <summary>
/// Called when BuoyantObject enters the water.
/// </summary>
/// <param name="eventWater">
/// The FluidVolume which the object has entered.
/// </param>
public void OnFluidVolumeEnter(IDynamicWaterFluidVolume eventWater) {
_water = eventWater as IDynamicWaterSettings;
if (_water == null) {
return;
}
if (_water.PlaneCollider != null) {
SpawnSplash(SplashPrefab, _water.PlaneCollider.ClosestPointOnBounds(transform.position));
}
}
/// <summary>
/// Checking if we have left the fluid volume.
/// </summary>
private void OnTriggerExit(Collider otherCollider)
{
if (!_isReady)
{
return;
}
if (_water != null && otherCollider.CompareTag(FluidVolume.DynamicWaterTagName) && otherCollider == _water.Collider)
{
_water = null;
}
}
/// <summary>
/// Called when BuoyantObject enters the water.
/// </summary>
/// <param name="eventWater">
/// The FluidVolume which the object has entered.
/// </param>
public void OnFluidVolumeEnter(IDynamicWaterFluidVolume eventWater)
{
_water = eventWater as IDynamicWaterSettings;
if (_water == null)
{
return;
}
if (_water.PlaneCollider != null)
{
SpawnSplash(SplashPrefab, _water.PlaneCollider.ClosestPointOnBounds(transform.position));
}
}
/// <summary>
/// Checking if we are staying in the fluid volume.
/// </summary>
private void OnTriggerStay(Collider otherCollider)
{
if (!_isReady)
{
return;
}
if (_water == null || (otherCollider.CompareTag(FluidVolume.DynamicWaterTagName) && otherCollider != _water.Collider))
{
IDynamicWaterFluidVolume water = otherCollider.gameObject.GetComponent <FluidVolume>() ??
otherCollider.gameObject.GetComponent <DynamicWater>();
if (water != null)
{
_water = water;
RecalculateCache();
}
}
}
private void OnTriggerEnter(Collider otherCollider) {
// Making sure the object we have entered is DynamicWater
if (otherCollider.CompareTag(FluidVolume.DynamicWaterTagName)) {
_water = otherCollider.gameObject.GetComponent<DynamicWater>();
}
}
/// <summary>
/// Buoyancy calculation step.
/// </summary>
private void FixedUpdate() {
// Happens on assembly reload
if (_recompileMarker == null) {
RecalculateVoxels();
_water = null;
_recompileMarker = new RecompiledMarker();
}
// Failsafe
if (_water == null || _density < 0.01f || !_isReady) {
_rigidbody.drag = _dragNonFluid;
_rigidbody.angularDrag = _angularDragNonFluid;
return;
}
float invDoubleVoxelSize = 1f / (2f * _voxelSize);
DynamicWater dynamicWater = _water as DynamicWater;
bool solverCanInteract = dynamicWater != null && dynamicWater.Solver.CanInteract;
for (int i = 0; i < _voxelsLength; i++) {
Vector3 wp = _transform.TransformPoint(_buoyancyVoxels[i].Position);
float waterLevel = _water.GetWaterLevel(wp.x, wp.y, wp.z);
// No force is applied to the points outside the fluid
if (waterLevel != float.NegativeInfinity && (wp.y - _voxelSize / 1f < waterLevel)) {
Vector3 velocity = _rigidbody.GetPointVelocity(wp);
// k == 1 when the voxel is fully submerged
// k == 0 when the voxel is fully outside
float k = (waterLevel - wp.y) * invDoubleVoxelSize + 0.5f;
// Create the splash when the point has passed the water surface.
if (_buoyancyVoxels[i].IsOnColliderEdge) {
if (!_buoyancyVoxels[i].HadPassedWater && (k < 1f && k > 0f)) {
// Scaling and limiting the splash force
if (solverCanInteract) {
float force = FastFunctions.FastVector3Magnitude(velocity) * _splashForceFactorNormalized;
if (force > _maxSplashForceNormalized) {
force = _maxSplashForceNormalized;
}
if (force > 0.0075f) {
_water.CreateSplash(wp, _voxelSize, force);
}
}
_buoyancyVoxels[i].HadPassedWater = true;
} else {
_buoyancyVoxels[i].HadPassedWater = false;
}
}
k = (k > 1f) ? 1f : (k < 0f) ? 0f : k;
_subMergedVolume += k;
// Calculating the actual force for this point depending oh how much
// the point is submerged into the fluid
Vector3 archimedesForce;
archimedesForce.x = k * _voxelArchimedesForce.x;
archimedesForce.y = k * _voxelArchimedesForce.y;
archimedesForce.z = k * _voxelArchimedesForce.z;
// Applying the local force
_rigidbody.AddForceAtPosition(archimedesForce, wp, ForceMode.Impulse);
}
}
// Normalizing the submerged volume
// 0 - object is fully outside the water
// 1 - object is fully submerged
_subMergedVolume /= _voxelsLength;
const float threshold = 0.01f;
// Sending the message to other components
if (_subMergedVolumePrev < threshold && _subMergedVolume >= threshold) {
SendMessage("OnFluidVolumeEnter", _water, SendMessageOptions.DontRequireReceiver);
} else if (_subMergedVolumePrev >= threshold && _subMergedVolume < threshold) {
SendMessage("OnFluidVolumeExit", _water, SendMessageOptions.DontRequireReceiver);
}
_subMergedVolumePrev = _subMergedVolume;
// Calculating the drag
_rigidbody.drag = Mathf.Lerp(_rigidbody.drag, _subMergedVolume > 0.0001f ? _dragNonFluid + _dragInFluid : _dragNonFluid, 8f * Time.deltaTime);
_rigidbody.angularDrag = Mathf.Lerp(_rigidbody.angularDrag, _subMergedVolume > 0.0001f ? _angularDragNonFluid + _angularDragInFluid : _angularDragNonFluid, 8f * Time.deltaTime);
}
/// <summary>
/// Checking if we have left the fluid volume.
/// </summary>
private void OnTriggerExit(Collider otherCollider) {
if (!_isReady) {
return;
}
if (_water != null && otherCollider.CompareTag(FluidVolume.DynamicWaterTagName) && otherCollider == _water.Collider) {
_water = null;
}
}
/// <summary>
/// Checking if we are staying in the fluid volume.
/// </summary>
private void OnTriggerStay(Collider otherCollider) {
if (!_isReady) {
return;
}
if (_water == null || (otherCollider.CompareTag(FluidVolume.DynamicWaterTagName) && otherCollider != _water.Collider)) {
IDynamicWaterFluidVolume water = otherCollider.gameObject.GetComponent<FluidVolume>() ??
otherCollider.gameObject.GetComponent<DynamicWater>();
if (water != null) {
_water = water;
RecalculateCache();
}
}
}
/// <summary>
/// Buoyancy calculation step.
/// </summary>
private void FixedUpdate()
{
// Happens on assembly reload
if (_recompileMarker == null)
{
RecalculateVoxels();
_water = null;
_recompileMarker = new RecompiledMarker();
}
// Failsafe
if (_water == null || _density < 0.01f || !_isReady)
{
_rigidbody.drag = _dragNonFluid;
_rigidbody.angularDrag = _angularDragNonFluid;
return;
}
float invDoubleVoxelSize = 1f / (2f * _voxelSize);
DynamicWater dynamicWater = _water as DynamicWater;
bool solverCanInteract = dynamicWater != null && dynamicWater.Solver.CanInteract;
for (int i = 0; i < _voxelsLength; i++)
{
Vector3 wp = _transform.TransformPoint(_buoyancyVoxels[i].Position);
float waterLevel = _water.GetWaterLevel(wp.x, wp.y, wp.z);
// No force is applied to the points outside the fluid
if (waterLevel != float.NegativeInfinity && (wp.y - _voxelSize / 1f < waterLevel))
{
Vector3 velocity = _rigidbody.GetPointVelocity(wp);
// k == 1 when the voxel is fully submerged
// k == 0 when the voxel is fully outside
float k = (waterLevel - wp.y) * invDoubleVoxelSize + 0.5f;
// Create the splash when the point has passed the water surface.
if (_buoyancyVoxels[i].IsOnColliderEdge)
{
if (!_buoyancyVoxels[i].HadPassedWater && (k <1f && k> 0f))
{
// Scaling and limiting the splash force
if (solverCanInteract)
{
float force = FastFunctions.FastVector3Magnitude(velocity) * _splashForceFactorNormalized;
if (force > _maxSplashForceNormalized)
{
force = _maxSplashForceNormalized;
}
if (force > 0.0075f)
{
_water.CreateSplash(wp, _voxelSize, force);
}
}
_buoyancyVoxels[i].HadPassedWater = true;
}
else
{
_buoyancyVoxels[i].HadPassedWater = false;
}
}
k = (k > 1f) ? 1f : (k < 0f) ? 0f : k;
_subMergedVolume += k;
// Calculating the actual force for this point depending oh how much
// the point is submerged into the fluid
Vector3 archimedesForce;
archimedesForce.x = k * _voxelArchimedesForce.x;
archimedesForce.y = k * _voxelArchimedesForce.y;
archimedesForce.z = k * _voxelArchimedesForce.z;
// Applying the local force
_rigidbody.AddForceAtPosition(archimedesForce, wp, ForceMode.Impulse);
}
}
// Normalizing the submerged volume
// 0 - object is fully outside the water
// 1 - object is fully submerged
_subMergedVolume /= _voxelsLength;
const float threshold = 0.01f;
// Sending the message to other components
if (_subMergedVolumePrev < threshold && _subMergedVolume >= threshold)
{
SendMessage("OnFluidVolumeEnter", _water, SendMessageOptions.DontRequireReceiver);
}
else if (_subMergedVolumePrev >= threshold && _subMergedVolume < threshold)
{
SendMessage("OnFluidVolumeExit", _water, SendMessageOptions.DontRequireReceiver);
}
_subMergedVolumePrev = _subMergedVolume;
// Calculating the drag
_rigidbody.drag = Mathf.Lerp(_rigidbody.drag, _subMergedVolume > 0.0001f ? _dragNonFluid + _dragInFluid : _dragNonFluid, 8f * Time.deltaTime);
_rigidbody.angularDrag = Mathf.Lerp(_rigidbody.angularDrag, _subMergedVolume > 0.0001f ? _angularDragNonFluid + _angularDragInFluid : _angularDragNonFluid, 8f * Time.deltaTime);
}
