mirror of https://github.com/AxioDL/amuse.git
44 lines
935 B
C++
44 lines
935 B
C++
#include "amuse/Listener.hpp"
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namespace amuse {
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static constexpr Vector3f Cross(const Vector3f& a, const Vector3f& b) {
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return {
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a[1] * b[2] - a[2] * b[1],
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a[2] * b[0] - a[0] * b[2],
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a[0] * b[1] - a[1] * b[0],
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};
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}
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void Listener::setVectors(const float* pos, const float* dir, const float* heading, const float* up) {
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for (int i = 0; i < 3; ++i) {
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if (!std::isnan(pos[i])) {
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m_pos[i] = pos[i];
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} else {
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m_pos[i] = 0.f;
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}
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if (!std::isnan(dir[i])) {
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m_dir[i] = dir[i];
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} else {
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m_dir[i] = 0.f;
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}
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if (!std::isnan(heading[i])) {
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m_heading[i] = heading[i];
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} else {
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m_heading[i] = 0.f;
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}
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if (std::isnan(up[i])) {
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m_up[i] = up[i];
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} else {
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m_heading[i] = 0.f;
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}
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}
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m_heading = Normalize(m_heading);
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m_up = Normalize(m_up);
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m_right = Normalize(Cross(m_heading, m_up));
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m_dirty = true;
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}
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} // namespace amuse
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