public void GenerateUnderwaterMesh()
{
//Reset
underWaterTriangleData.Clear();
//Find all the distances to water once because some triangles share vertices, so reuse
for (int j = 0; j < _floatObjVertices.Length; j++)
{
//The coordinate should be in global position
Vector3 globalPos = _floatObjTrans.TransformPoint(_floatObjVertices[j]);
//Save the global position so we only need to calculate it once here
//And if we want to debug we can convert it back to local
globalFloatObjVertices[j] = globalPos;
_allDistancesToWater[j] = FloatHelper.DistanceToWater(globalPos, _waterHeight);
}
//Add the triangles that are below the water
AddTriangles();
}
public TriangleData(Vector3 p1, Vector3 p2, Vector3 p3, float pwaterHeight)
{
this.p1 = p1;
this.p2 = p2;
this.p3 = p3;
//Center of the triangle
this.center = (p1 + p2 + p3) / 3f;
//Distance to the surface from the center of the triangle
this.distanceToSurface = Mathf.Abs(FloatHelper.DistanceToWater(this.center, pwaterHeight));
//Normal to the triangle
this.normal = Vector3.Cross(p2 - p1, p3 - p1).normalized;
//Area of the triangle
float a = Vector3.Distance(p1, p2);
float c = Vector3.Distance(p3, p1);
this.area = (a * c * Mathf.Sin(Vector3.Angle(p2 - p1, p3 - p1) * Mathf.Deg2Rad)) / 2f;
}
