48 lines
1.8 KiB
C++
48 lines
1.8 KiB
C++
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#include "primitive/triangle.h"
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#include <algorithm>
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// Constructor /////////////////////////////////////////////////////////////////
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Triangle::Triangle(std::shared_ptr<Shader> const &shader) : Primitive(shader) {}
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Triangle::Triangle(Vector3d const &a, Vector3d const &b, Vector3d const &c, std::shared_ptr<Shader> const &shader)
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: Primitive(shader), vertex{a, b, c} {}
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Triangle::Triangle(Vector3d const &a, Vector3d const &b, Vector3d const &c, Vector3d const &na, Vector3d const &nb,
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Vector3d const &nc, std::shared_ptr<Shader> const &shader)
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: Primitive(shader), vertex{a, b, c}, normal{na, nb, nc} {}
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Triangle::Triangle(Vector3d const &a, Vector3d const &b, Vector3d const &c, Vector3d const &na, Vector3d const &nb,
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Vector3d const &nc, Vector2d const &ta, Vector2d const &tb, Vector2d const &tc,
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std::shared_ptr<Shader> const &shader)
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: Primitive(shader), vertex{a, b, c}, normal{na, nb, nc}, surface{ta, tb, tc} {}
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// Primitive functions /////////////////////////////////////////////////////////
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bool Triangle::intersect(Ray &ray) const {
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// IMPLEMENT ME!
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// Determine whether the ray intersects the triangle
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// Test whether this is the foremost primitive in front of the camera
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// (Optional for now) Calculate the normal
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// (Optional for now) Calculate the surface position
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// Set the new length and the current primitive
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return false;
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}
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// Bounding box ////////////////////////////////////////////////////////////////
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float Triangle::minimumBounds(int dimension) const {
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return std::min(this->vertex[0][dimension], std::min(this->vertex[1][dimension], this->vertex[2][dimension]));
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}
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float Triangle::maximumBounds(int dimension) const {
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return std::max(this->vertex[0][dimension], std::max(this->vertex[1][dimension], this->vertex[2][dimension]));
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}
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