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23 lines
428 B
23 lines
428 B
2 years ago
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#ifndef RAYH
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#define RAYH
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#include "vec3.h"
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class ray {
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public:
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ray() {}
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ray(const vec3& a, const vec3& b) {
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O = a;
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D = b;
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}
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vec3 origin() const { return O; }
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vec3 direction() const { return D; }
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inline vec3 point_at_parameter(float t) const {
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return vec3(D * t + O);
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}
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vec3 O; //center(origin) point
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vec3 D; //direction vector
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};
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#endif
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