public float GetArea()
{
PVector AB = this.V2.Sub(this.V1);
PVector AC = this.V3.Sub(this.V1);
PVector cross = AB.Cross(AC);
double result = Math.Sqrt(cross.X * cross.X + cross.Y * cross.Y + cross.Z * cross.Z) / 2.0;
return((float)result);
}
public PVector GetNormal()
{
PVector edge1 = new PVector(V2.X - V1.X, V2.Y - V1.Y, V2.Z - V1.Z);
PVector edge2 = new PVector(V3.X - V1.X, V3.Y - V1.Y, V3.Z - V1.Z);
PVector normal = edge1.Cross(edge2);
return(normal.GetNormalization());
}
