paysages3d/src/tests/CappedCylinder_Test.cpp

38 lines
1.6 KiB
C++

#include "BaseTestCase.h"
#include "CappedCylinder.h"
TEST(CappedCylinder, checkRayIntersection)
{
CappedCylinder cylinder(VECTOR_DOWN, VECTOR_UP, 1.0, 2.0);
int intersect_count;
Vector3 p1, p2;
intersect_count = cylinder.checkRayIntersection(InfiniteRay(Vector3(1.5, 0.0, 0.0), Vector3(0.0, 0.0, 1.0)), &p1, &p2);
EXPECT_EQ(0, intersect_count);
intersect_count = cylinder.checkRayIntersection(InfiniteRay(Vector3(1.0, 0.0, 0.0), Vector3(0.0, 0.0, 1.0)), &p1, &p2);
EXPECT_EQ(1, intersect_count);
EXPECT_VECTOR3_COORDS(p1, 1.0, 0.0, 0.0);
intersect_count = cylinder.checkRayIntersection(InfiniteRay(Vector3(0.5, 0.0, 0.0), Vector3(0.0, 0.0, 1.0)), &p1, &p2);
EXPECT_EQ(2, intersect_count);
EXPECT_VECTOR3_COORDS(p1, 0.5, 0.0, -cos(asin(0.5)));
EXPECT_VECTOR3_COORDS(p2, 0.5, 0.0, cos(asin(0.5)));
intersect_count = cylinder.checkRayIntersection(InfiniteRay(Vector3(0.5, -2.1, 0.0), Vector3(0.0, 0.0, 1.0)), &p1, &p2);
EXPECT_EQ(0, intersect_count);
intersect_count = cylinder.checkRayIntersection(InfiniteRay(Vector3(0.5, 2.1, 0.0), Vector3(0.0, 0.0, 1.0)), &p1, &p2);
EXPECT_EQ(0, intersect_count);
// diagonal cases (through a cap)
intersect_count = cylinder.checkRayIntersection(InfiniteRay(Vector3(-2.0, -1.0, 0.0), Vector3(1.0, 1.0, 0.0)), &p1, &p2);
EXPECT_EQ(1, intersect_count);
EXPECT_VECTOR3_COORDS(p1, -1.0, 0.0, 0.0);
intersect_count = cylinder.checkRayIntersection(InfiniteRay(Vector3(-2.0, 3.0, 0.0), Vector3(1.0, -1.0, 0.0)), &p1, &p2);
EXPECT_EQ(1, intersect_count);
EXPECT_VECTOR3_COORDS(p1, 1.0, 0.0, 0.0);
}