private void PrecomputeSamples()
{
List <Vector3> list = new List <Vector3>();
float num = 0.5f;
float num2 = 1f;
int num3 = this._SampleCount * 18;
Transform transform = base.transform;
Vector3 vector;
Vector3 vector2;
ColliderExtensions.GetLocalMinMax(this._LocalCollider, out vector, out vector2);
int num4 = 0;
while (num4 < 4 && list.Count < num3)
{
for (float num5 = num; num5 <= 1f; num5 += num2)
{
for (float num6 = num; num6 <= 1f; num6 += num2)
{
for (float num7 = num; num7 <= 1f; num7 += num2)
{
Vector3 vector3 = new Vector3(Mathf.Lerp(vector.x, vector2.x, num5), Mathf.Lerp(vector.y, vector2.y, num6), Mathf.Lerp(vector.z, vector2.z, num7));
if (this._LocalCollider.IsPointInside(transform.TransformPoint(vector3)))
{
list.Add(vector3);
}
}
}
}
num2 = num;
num *= 0.5f;
num4++;
}
this._CachedSamplePositions = list.ToArray();
this._CachedSampleCount = this._CachedSamplePositions.Length;
WaterPhysics.Shuffle <Vector3>(this._CachedSamplePositions);
}
private void ImprovedFixedUpdate()
{
Water affectingWater = this.AffectingWater;
if (affectingWater == null || this._RigidBody.isKinematic)
{
return;
}
float time = affectingWater.Time;
float improvedDragPart = this._ImprovedDragPart;
Matrix4x4 localToWorldMatrix = base.transform.localToWorldMatrix;
Vector4 row = localToWorldMatrix.GetRow(1);
Vector3 center = this._LocalCollider.bounds.center;
this._AverageWaterElevation = 0f;
int num = 0;
for (int i = 0; i < this._DragNormals.Length; i++)
{
Vector3 vector = localToWorldMatrix.MultiplyPoint3x4(this._DragCenters[i]);
Vector3 pointVelocity = this._RigidBody.GetPointVelocity(vector);
Vector3 vector2 = localToWorldMatrix.MultiplyVector(this._DragNormals[i]);
float num2;
Vector3 lhs;
this._ImprovedDragSamples[i].GetAndResetFast(vector.x, vector.z, time, out num2, out lhs);
this._AverageWaterElevation += num2;
float num3 = Vector3.Dot(vector2, pointVelocity);
float num4 = Vector3.Dot(lhs, vector2) * this._ImprovedFlowPart;
float num11;
if (num3 > 0f || num4 > 0f)
{
float num5 = WaterPhysics.SingleComponentTransform(ref this._DragVertices[num++], ref row);
float num6 = WaterPhysics.SingleComponentTransform(ref this._DragVertices[num++], ref row);
float num7 = WaterPhysics.SingleComponentTransform(ref this._DragVertices[num++], ref row);
float num8 = num2 - num5;
float num9 = num2 - num6;
float num10 = num2 - num7;
if (num8 > 0f)
{
if (num9 > 0f)
{
num11 = ((num10 < 0f) ? ((num8 + num9) / (num8 + num9 - num10)) : 1f);
}
else
{
num11 = ((num10 < 0f) ? (num8 / (num8 - num9 - num10)) : ((num8 + num10) / (num8 - num9 + num10)));
}
}
else if (num9 > 0f)
{
num11 = ((num10 < 0f) ? (num9 / (num9 - num10 - num8)) : ((num9 + num10) / (num9 + num10 - num8)));
}
else
{
num11 = ((num10 < 0f) ? 0f : (num10 / (num10 - num8 - num9)));
}
if (num11 <= 0f || num11 > 1.02f)
{
num11 = 0f;
}
}
else
{
num11 = 0f;
num += 3;
}
float num12 = this._DragAreas[i] * num11;
float num13 = (num3 <= 0f) ? 0f : (improvedDragPart * num3 * num3 * num12);
float magnitude = pointVelocity.magnitude;
num13 = ((magnitude == 0f) ? 0f : (num13 / magnitude));
Vector3 force = pointVelocity * num13;
if (center.y > vector.y)
{
if (num2 > center.y)
{
num11 = this._PolygonVolumes[i];
force.x += this._ImprovedBuoyancyPart.x * num11;
force.y += this._ImprovedBuoyancyPart.y * num11;
force.z += this._ImprovedBuoyancyPart.z * num11;
}
else if (num2 > vector.y)
{
num11 = this._PolygonVolumes[i] * (num2 - vector.y) / (center.y - vector.y);
force.x += this._ImprovedBuoyancyPart.x * num11;
force.y += this._ImprovedBuoyancyPart.y * num11;
force.z += this._ImprovedBuoyancyPart.z * num11;
}
}
else if (num2 > vector.y)
{
num11 = this._PolygonVolumes[i];
force.x += this._ImprovedBuoyancyPart.x * num11;
force.y += this._ImprovedBuoyancyPart.y * num11;
force.z += this._ImprovedBuoyancyPart.z * num11;
}
else if (num2 > center.y)
{
num11 = this._PolygonVolumes[i] * (num2 - center.y) / (vector.y - center.y);
force.x += this._ImprovedBuoyancyPart.x * num11;
force.y += this._ImprovedBuoyancyPart.y * num11;
force.z += this._ImprovedBuoyancyPart.z * num11;
}
if (num4 > 0f)
{
magnitude = lhs.magnitude;
float num14 = (magnitude == 0f) ? 0f : (num4 * num12 / magnitude);
force.x += lhs.x * num14;
force.y += lhs.y * num14;
force.z += lhs.z * num14;
}
this._RigidBody.AddForceAtPosition(force, vector, ForceMode.Force);
}
this._AverageWaterElevation /= (float)this._DragNormals.Length;
}