mirror of
https://github.com/TheRedShip/RT_GPU.git
synced 2025-09-27 10:48:34 +02:00
109 lines
3.5 KiB
C++
109 lines
3.5 KiB
C++
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* Portal.hpp :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: ycontre <ycontre@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/12/23 19:12:51 by ycontre #+# #+# */
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/* Updated: 2024/12/23 19:47:09 by ycontre ### ########.fr */
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/* */
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/* ************************************************************************** */
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#ifndef RT_PORTAL__HPP
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# define RT_PORTAL__HPP
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# include "RT.hpp"
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class Portal : public Object
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{
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public:
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Portal(std::stringstream &line) : Object(glm::vec3(0.0f), -1)
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{
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try {
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float x, y, z;
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float x1, y1, z1;
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float x2, y2, z2;
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bool invert_normal;
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int mat_index;
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if (!(line >> x >> y >> z))
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throw std::runtime_error("Missing position");
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if (!(line >> x1 >> y1 >> z1))
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throw std::runtime_error("Missing Portal's first edge ");
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if (!(line >> x2 >> y2 >> z2))
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throw std::runtime_error("Missing Portal's second edge");
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if (!(line >> invert_normal))
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throw std::runtime_error("Missing invert_normal");
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if (!(line >> mat_index))
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throw std::runtime_error("Missing material properties");
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_position = glm::vec3(x, y, z);
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_edge1 = glm::vec3(x1, y1, z1);
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_edge2 = glm::vec3(x2, y2, z2);
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glm::vec3 up = glm::normalize(_edge1);
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glm::vec3 right = glm::normalize(_edge2);
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glm::vec3 forward = glm::normalize(glm::cross(right, up));
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up = normalize(glm::cross(forward, right));
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_transform = glm::mat3(right, up, forward);
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_normal = forward * (invert_normal ? -1.0f : 1.0f);
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_linked_portal = -1;
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_mat_index = mat_index;
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}
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catch (const std::exception &e) { throw; }
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}
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Portal(const glm::vec3 &position, const glm::vec3 &edge1, const glm::vec3 &edge2, const int linked_portal, const int mat_index)
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: Object(position, mat_index), _edge1(edge1), _edge2(edge2), _linked_portal(linked_portal) {}
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Quad *createSupportQuad() const
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{
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float extension = 0.2f;
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glm::vec3 right_dir = glm::normalize(_edge1);
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glm::vec3 up_dir = glm::normalize(_edge2);
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float right_length = glm::length(_edge1) + extension;
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float up_length = glm::length(_edge2) + extension;
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glm::vec3 center_offset = -(right_dir * (extension / 2.0f) + up_dir * (extension / 2.0f));
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glm::vec3 position = _position + _normal * -0.001f + center_offset;
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glm::vec3 right = right_dir * right_length;
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glm::vec3 up = up_dir * up_length;
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return (new Quad(position, right, up, _mat_index));
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}
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glm::vec3 getEdge1() const { return (_edge1); }
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glm::vec3 getEdge2() const { return (_edge2); }
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glm::vec3 getNormal() const { return (_normal); }
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glm::mat3 getTransform() const { return (_transform); }
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int getLinkedPortalIndex() const { return (_linked_portal); }
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void setLinkedPortalIndex(int index) { _linked_portal = index; }
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Type getType() const override { return Type::PORTAL; }
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private:
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glm::vec3 _edge1;
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glm::vec3 _edge2;
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glm::vec3 _normal;
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glm::mat3 _transform;
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int _linked_portal;
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};
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#endif |