public RotateY(IHitable hitable, float angle)
{
Hitable = hitable;
Angle = angle;
float radians = MathF.PI / 180.0f * angle;
SinTheta = MathF.Sin(radians);
CosTheta = MathF.Cos(radians);
var box = Hitable.GetBoundingBox(0.0f, 1.0f);
var min = new Vector3(float.MaxValue, float.MaxValue, float.MaxValue).ToSingleArray();
var max = new Vector3(-float.MaxValue, -float.MaxValue, -float.MaxValue).ToSingleArray();
for (int i = 0; i < 2; i++)
{
float dubi = Convert.ToSingle(i);
for (int j = 0; j < 2; j++)
{
float dubj = Convert.ToSingle(j);
for (int k = 0; k < 2; k++)
{
float dubk = Convert.ToSingle(k);
float x = (dubi * box.Max.X) + ((1.0f - dubi) * box.Min.X);
float y = (dubj * box.Max.Y) + ((1.0f - dubj) * box.Min.Y);
float z = (dubk * box.Max.Z) + ((1.0f - dubk) * box.Min.Z);
float newx = (CosTheta * x) + (SinTheta * z);
float newz = (-SinTheta * x) + (CosTheta * z);
var tester = new Vector3(newx, y, newz).ToSingleArray();
for (int c = 0; c < 3; c++)
{
if (tester[c] > max[c])
{
max[c] = tester[c];
}
if (tester[c] < min[c])
{
min[c] = tester[c];
}
}
}
}
}
BoundingBox = new AABB(new Vector3(min[0], min[1], min[2]), new Vector3(max[0], max[1], max[2]));
}
