X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=tst%2Fmodel%2FGeometryTest.cpp;fp=tst%2Fmodel%2FGeometryTest.cpp;h=3776da14fd0172eac29a59a7bd8e9a7d6d8d8095;hb=7d3ab0dcce7abb6d5f766315685424e82478212f;hp=0000000000000000000000000000000000000000;hpb=d71d636af8b6f493abe537088464d1dc6b816c04;p=blank.git

diff --git a/tst/model/GeometryTest.cpp b/tst/model/GeometryTest.cpp
new file mode 100644
index 0000000..3776da1
--- /dev/null
+++ b/tst/model/GeometryTest.cpp
@@ -0,0 +1,41 @@
+#include "GeometryTest.hpp"
+
+#include "model/geometry.hpp"
+
+#include <limits>
+
+CPPUNIT_TEST_SUITE_REGISTRATION(blank::test::GeometryTest);
+
+
+namespace blank {
+namespace test {
+
+void GeometryTest::setUp() {
+}
+
+void GeometryTest::tearDown() {
+}
+
+
+void GeometryTest::testRayAABBIntersection() {
+	Ray ray{ { 0, 0, 0 }, { 1, 0, 0 } }; // at origin, pointing right
+	AABB box{ { -1, -1, -1 }, { 1, 1, 1 } }; // 2x2x2 cube centered around origin
+	glm::mat4 M(1); // no transformation
+
+	const float delta = std::numeric_limits<float>::epsilon();
+
+	float distance = 0;
+	glm::vec3 normal(0);
+
+	CPPUNIT_ASSERT_MESSAGE(
+		"ray at origin not intersecting box at origin",
+		Intersection(ray, box, M, &distance, &normal)
+	);
+	CPPUNIT_ASSERT_DOUBLES_EQUAL_MESSAGE(
+		"intersection distance way off",
+		0.0f, distance, delta
+	);
+}
+
+}
+}