float4x4 operator *(const float4x4 &lhs, const TranslateOp &rhs)
{
float4x4 r = lhs;
r.SetTranslatePart(lhs.TransformPos(rhs.Offset()));
// Our optimized form of multiplication must be the same as this.
mathassert(r.Equals(lhs * rhs.ToFloat4x4()));
return r;
}
void Ray::Transform(const float4x4 &transform)
{
pos = transform.TransformPos(pos);
dir = transform.TransformDir(dir);
}
float4x4 operator *(const float4x4 &lhs, const TranslateOp &rhs)
{
float4x4 r = lhs;
r.SetTranslatePart(lhs.TransformPos(DIR_TO_FLOAT3(rhs.Offset())));
return r;
}
