public void CreateTriangleData()
{
Initialize();
for (int triangleIndex = 0; triangleIndex < meshTriangles.Length / 3; ++triangleIndex)
{
SetSortedTriangleVertices(triangleIndex);
PreviousBuffers[triangleIndex] = CurrentBuffers[triangleIndex];
CurrentBuffers[triangleIndex] = new TriangleBuffer(currentVertices[0].globalVertex, currentVertices[1].globalVertex, currentVertices[2].globalVertex, Rigidbody3d);
TriangleState triangleState = SetTriangleState();
switch (triangleState)
{
case TriangleState.AboveWater:
CurrentBuffers[triangleIndex].submergedArea = 0f;
break;
case TriangleState.TwoAboveWater:
CurrentBuffers[triangleIndex].submergedArea = CuttingAlgorithmTwoAbove(currentVertices[0], currentVertices[1], currentVertices[2], triangleIndex);
break;
case TriangleState.OneAboveWater:
CurrentBuffers[triangleIndex].submergedArea = CuttingAlgorithmOneAbove(currentVertices[0], currentVertices[1], currentVertices[2], triangleIndex);
break;
case TriangleState.Submerged:
CuttingAlgorithmHorizontal(currentVertices[0], currentVertices[1], currentVertices[2], triangleIndex);
CurrentBuffers[triangleIndex].submergedArea = CurrentBuffers[triangleIndex].originalArea;
break;
default:
break;
}
}
}
public static Vector3 SlammingForce(TriangleBuffer previousBuffer, TriangleBuffer currentBuffer, TriangleInfo triangle, float maxAcceleration, float rampUpPower, float totalMass, float totalArea)
{
if (triangle.cosine < 0f)
{
return(Vector3.zero);
}
Vector3 currentDeltaVolume = currentBuffer.submergedArea * currentBuffer.velocity;
Vector3 previousDeltaVolume = previousBuffer.submergedArea * previousBuffer.velocity;
Vector3 acceleration = (currentDeltaVolume - previousDeltaVolume) / (currentBuffer.originalArea * Time.fixedDeltaTime);
Vector3 stoppingForce = totalMass * triangle.velocity * (2f * triangle.area / totalArea);
float realAcceleration = Mathf.Clamp01(acceleration.magnitude / maxAcceleration);
return(-1 * Mathf.Pow(realAcceleration, rampUpPower) * triangle.cosine * stoppingForce);
}
private void OnEnable()
{
timeStamp = Time.time;
SubmergedTriangles = new List <TriangleInfo>();
TriangleBufferIndices = new List <int>();
meshVertices = Mesh.vertices;
meshTriangles = Mesh.triangles;
// Count of triangles is always multiple of 3
int triangleCount = meshTriangles.Length / 3;
PreviousBuffers = new TriangleBuffer[triangleCount];
CurrentBuffers = new TriangleBuffer[triangleCount];
TotalArea = 0f;
for (int triangleIndex = 0; triangleIndex < triangleCount; ++triangleIndex)
{
TotalArea += WaterInteractionUtils.GetTriangleArea(
transform.TransformPoint(meshVertices[meshTriangles[triangleIndex * 3]]),
transform.TransformPoint(meshVertices[meshTriangles[triangleIndex * 3 + 1]]),
transform.TransformPoint(meshVertices[meshTriangles[triangleIndex * 3 + 2]]));
}
}
