amuse/lib/Listener.cpp

28 lines
629 B
C++

#include "amuse/Listener.hpp"
namespace amuse {
static constexpr Vector3f Cross(const Vector3f& a, const Vector3f& b) {
return {
a[1] * b[2] - a[2] * b[1],
a[2] * b[0] - a[0] * b[2],
a[0] * b[1] - a[1] * b[0],
};
}
void Listener::setVectors(const float* pos, const float* dir, const float* heading, const float* up) {
for (int i = 0; i < 3; ++i) {
m_pos[i] = pos[i];
m_dir[i] = dir[i];
m_heading[i] = heading[i];
m_up[i] = up[i];
}
m_heading = Normalize(m_heading);
m_up = Normalize(m_up);
m_right = Normalize(Cross(m_heading, m_up));
m_dirty = true;
}
} // namespace amuse