123456789101112131415161718192021222324252627282930313233343536373839404142 |
- /*
- * DoRayMe - a quick and dirty Raytracer
- * Smooth Triangle implementation
- *
- * Created by Manoël Trapier
- * Copyright (c) 2020 986-Studio.
- *
- */
- #include <ray.h>
- #include <shape.h>
- #include <triangle.h>
- #include <smoothtriangle.h>
- #include <math_helper.h>
- #include <renderstat.h>
- SmoothTriangle::SmoothTriangle(Point p1, Point p2, Point p3, Vector n1, Vector n2, Vector n3) : Triangle(p1, p2, p3),
- n1(n1), n2(n2), n3(n3)
- {
- this->type = Shape::SMOOTHTRIANGLE;
- stats.addSmoothTriangle();
- }
- Tuple SmoothTriangle::localNormalAt(Tuple point, Intersection *hit)
- {
- return (this->n2 * hit->u +
- this->n3 * hit->v +
- this->n1 * (1 - hit->u - hit->v)).normalise();
- }
- void SmoothTriangle::dumpMe(FILE *fp)
- {
- Tuple t = this->n1;
- fprintf(fp, "\"n1\": { \"x\": %f, \"y\": %f, \"z\": %f}, \n",
- t.x, t.y, t.z);
- t = this->n2;
- fprintf(fp, "\"n2\": { \"x\": %f, \"y\": %f, \"z\": %f}, \n",
- t.x, t.y, t.z);
- t = this->n3;
- fprintf(fp, "\"n3\": { \"x\": %f, \"y\": %f, \"z\": %f}, \n",
- t.x, t.y, t.z);
- Triangle::dumpMe(fp);
- }
|