24 lines
387 B
C++
24 lines
387 B
C++
#include <cmath>
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#include "plane.hpp"
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#define TOL 1e-6
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using std::fabs;
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using glm::dot;
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bool Plane::intersect(Ray & r, float & t) const {
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float d = dot(r.m_direction, m_normal);
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if (fabs(d) > TOL) {
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t = dot(m_normal, (m_point - r.m_origin)) / d;
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return t >= 0.0f;
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}
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return false;
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}
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vec3 Plane::normal_at_int(Ray & r, float & t) const {
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return vec3(m_normal);
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}
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