tst/model/GeometryTest.cpp

   1 #include "GeometryTest.hpp"
   2
   3 #include "model/geometry.hpp"
   4
   5 #include <limits>
   6
   7 CPPUNIT_TEST_SUITE_REGISTRATION(blank::test::GeometryTest);
   8
   9
  10 namespace blank {
  11 namespace test {
  12
  13 void GeometryTest::setUp() {
  14 }
  15
  16 void GeometryTest::tearDown() {
  17 }
  18
  19
  20 void GeometryTest::testRayAABBIntersection() {
  21         Ray ray{ { 0, 0, 0 }, { 1, 0, 0 } }; // at origin, pointing right
  22         AABB box{ { -1, -1, -1 }, { 1, 1, 1 } }; // 2x2x2 cube centered around origin
  23         glm::mat4 M(1); // no transformation
  24
  25         const float delta = std::numeric_limits<float>::epsilon();
  26
  27         float distance = 0;
  28         glm::vec3 normal(0);
  29
  30         CPPUNIT_ASSERT_MESSAGE(
  31                 "ray at origin not intersecting box at origin",
  32                 Intersection(ray, box, M, &distance, &normal)
  33         );
  34         CPPUNIT_ASSERT_DOUBLES_EQUAL_MESSAGE(
  35                 "intersection distance way off",
  36                 0.0f, distance, delta
  37         );
  38 }
  39
  40 }
  41 }