fysxasteroids/engine/libraries/coll2d/tests/polygon_sphere.cc

545 lines
14 KiB
C++

#include <UnitTest++.h>
#include <coll2d.h>
using namespace coll2d;
using namespace std;
TEST ( CheckErrorInvalidTypes ) {
Shape* polygon = new Polygon (0, NULL);
vector3d velocity (0., 0., 0.);
vector3d sphere_position (2.1, 0., 0.);
Shape* sphere = new Sphere (1, sphere_position);
sphere->setVelocity (vector3d(0., 0., 0.));
CollisionInfo info;
int result = check_collision_polygon_sphere (1., sphere, sphere, &info);
CHECK (result == CHECK_ERROR_INVALID_TYPES);
result = check_collision_polygon_sphere (1., polygon, polygon, &info);
CHECK (result == CHECK_ERROR_INVALID_TYPES);
delete polygon;
delete sphere;
}
TEST ( CheckCollisionPolygonSphereNoVelocity ) {
vector3d vertices[4];
vertices[0].setValues (-1., 0., -1.);
vertices[1].setValues (1., 0., -1.);
vertices[2].setValues (1., 0., 1.);
vertices[3].setValues (-1., 0., 1.);
Shape* polygon = new Polygon (4, vertices);
vector3d sphere_position (2.1, 0., 0.);
Shape* sphere = new Sphere (1, sphere_position);
vector3d velocity (0., 0., 0.);
CollisionInfo info;
int result = check_collision_rel (1., polygon, sphere, &velocity, &info);
CHECK (result >= 0);
delete polygon;
delete sphere;
}
TEST ( CheckCollisionPolygonSphereDiverging ) {
vector3d vertices[4];
vertices[0].setValues (-1., 0., 1.);
vertices[1].setValues (1., 0., 1.);
vertices[2].setValues (1., 0., -1.);
vertices[3].setValues (-1., 0., -1.);
Shape* polygon = new Polygon (4, vertices);
vector3d sphere_position (2.1, 0., 0.);
Shape* sphere = new Sphere (1, sphere_position);
vector3d velocity (1., 0., 0.);
CollisionInfo info;
int result = check_collision_rel (1., polygon, sphere, &velocity, &info);
CHECK (result >= 0);
delete polygon;
delete sphere;
}
TEST ( CheckCollisionPolygonSphereContact ) {
vector3d vertices[4];
vertices[0].setValues (-1., 0., 1.);
vertices[1].setValues (1., 0., 1.);
vertices[2].setValues (1., 0., -1.);
vertices[3].setValues (-1., 0., -1.);
Shape* polygon = new Polygon (4, vertices);
vector3d sphere_position (2., 0., 0.);
Shape* sphere = new Sphere (1, sphere_position);
sphere->setVelocity (vector3d (-1., 0., 0.));
CollisionInfo info;
int result = check_collision (1., polygon, sphere, &info);
CHECK (result > 0);
CHECK_EQUAL (0.0, info.time);
CHECK_EQUAL (1., info.normal[0]);
CHECK_EQUAL (0., info.normal[1]);
CHECK_EQUAL (0., info.normal[2]);
delete polygon;
delete sphere;
}
TEST ( CheckCollisionPolygonSphereColliding ) {
vector3d vertices[4];
vertices[0].setValues (-1., 0., 1.);
vertices[1].setValues (1., 0., 1.);
vertices[2].setValues (1., 0., -1.);
vertices[3].setValues (-1., 0., -1.);
Shape* polygon = new Polygon (4, vertices);
vector3d sphere_position (2.5, 0., 0.1);
Shape* sphere = new Sphere (1, sphere_position);
vector3d velocity (-1., 0., 0.);
CollisionInfo info;
int result = check_collision_rel (1., polygon, sphere, &velocity, &info);
CHECK_EQUAL (1, result);
CHECK_EQUAL (0.5, info.time);
delete polygon;
delete sphere;
}
TEST ( CheckCollisionPolygonSphereCollidingTop ) {
vector3d vertices[4];
vertices[0].setValues (-1., 0., 1.);
vertices[1].setValues (1., 0., 1.);
vertices[2].setValues (1., 0., -1.);
vertices[3].setValues (-1., 0., -1.);
Shape* polygon = new Polygon (4, vertices);
vector3d sphere_position (0., 0., 2.5);
Shape* sphere = new Sphere (1, sphere_position);
vector3d velocity (0., 0., -1.);
CollisionInfo info;
int result = check_collision_rel (1., polygon, sphere, &velocity, &info);
CHECK_EQUAL (1, result);
CHECK_EQUAL (0.5, info.time);
delete polygon;
delete sphere;
}
TEST ( CheckCollisionPolygonSphereCollidingNonPerpendicular ) {
vector3d vertices[4];
vertices[0].setValues (-1., 0., 1.);
vertices[1].setValues (1., 0., 1.);
vertices[2].setValues (1., 0., -1.);
vertices[3].setValues (-1., 0., -1.);
Shape* polygon = new Polygon (4, vertices);
vector3d sphere_position (0., 0., 2.5);
Shape* sphere = new Sphere (1, sphere_position);
vector3d velocity (0.01, 0., -1.);
CollisionInfo info;
int result = check_collision_rel (1., polygon, sphere, &velocity, &info);
CHECK_EQUAL (1, result);
CHECK_EQUAL (0.5, info.time);
delete polygon;
delete sphere;
}
TEST ( CheckCollisionPolygonSphereCollidingCorner) {
vector3d vertices[4];
vertices[0].setValues (-1., 0., 1.);
vertices[1].setValues (1., 0., 1.);
vertices[2].setValues (1., 0., -1.);
vertices[3].setValues (-1., 0., -1.);
Shape* polygon = new Polygon (4, vertices);
vector3d sphere_position ( 1.5, 0., 2.5);
Shape* sphere = new Sphere (1, sphere_position);
vector3d velocity (0.0, 0., -1.);
CollisionInfo info;
int result = check_collision_rel (1., polygon, sphere, &velocity, &info);
CHECK_EQUAL (1, result);
delete polygon;
delete sphere;
}
// In this test we make sure, that the z value of both the polygon and the
// sphere get ignored:
TEST ( CheckCollisionPolygonSphereCollidingCornerIgnoreHeight) {
vector3d vertices[4];
vertices[0].setValues (-1., 0., 1.);
vertices[1].setValues (1., 0., 1.);
vertices[2].setValues (1., 0., -1.);
vertices[3].setValues (-1., 0., -1.);
Shape* polygon = new Polygon (4, vertices);
vector3d sphere_position ( 1.5, 10., 2.5);
Shape* sphere = new Sphere (1, sphere_position);
sphere->setVelocity (vector3d (0., 0., -1.));
CollisionInfo info;
int result = check_collision (1., polygon, sphere, &info);
CHECK_EQUAL (1, result);
vertices[0].setValues (-1., -10., 1.);
vertices[1].setValues (1., -10., 1.);
vertices[2].setValues (1., -10., -1.);
vertices[3].setValues (-1., -10., -1.);
sphere->setPosition (vector3d (1.5, 0., 2.5));
result = check_collision (1., polygon, sphere, &info);
CHECK_EQUAL (1, result);
delete polygon;
delete sphere;
}
TEST ( CheckCollisionPolygonSphereCollidingCornerTop) {
vector3d vertices[4];
vertices[0].setValues (-1., 0., 1.);
vertices[1].setValues (1., 0., 1.);
vertices[2].setValues (1., 0., -1.);
vertices[3].setValues (-1., 0., -1.);
Shape* polygon = new Polygon (4, vertices);
vector3d sphere_position (1.5, 0., - 2.5);
Shape* sphere = new Sphere (1, sphere_position);
vector3d velocity (0., 0., 1.);
CollisionInfo info;
int result = check_collision_rel (1., polygon, sphere, &velocity, &info);
CHECK_EQUAL (1, result);
delete polygon;
delete sphere;
}
TEST ( CheckCollisionPolygonSphereCollidingCornerNeighbour) {
vector3d vertices[4];
vertices[0].setValues (-1., 0., 1.);
vertices[1].setValues (1., 0., -0.99);
vertices[2].setValues (1., 0., -1.);
vertices[3].setValues (-1., 0., -1.);
Shape* polygon = new Polygon (4, vertices);
vector3d sphere_position (1.5 , 0., - 2.5);
Shape* sphere = new Sphere (1, sphere_position);
vector3d velocity (0., 0., 1.);
CollisionInfo info;
check_collision_rel (1., polygon, sphere, &velocity, &info);
CHECK (info.point == vertices[2]);
delete polygon;
delete sphere;
}
TEST ( CheckCollisionPolygonSphereNonCollidingSetPosition ) {
vector3d vertices[4];
vertices[0].setValues (-1., 0., 1.);
vertices[1].setValues (1., 0., 1.);
vertices[2].setValues (1., 0., -1.);
vertices[3].setValues (-1., 0., -1.);
Shape* polygon = new Polygon (4, vertices);
vector3d sphere_position (2.5, 0., 0.1);
Shape* sphere = new Sphere (1, sphere_position);
sphere->setPosition (vector3d (35, 0, 0));
vector3d velocity (-1., 0., 0.);
CollisionInfo info;
int result = check_collision_rel (1., polygon, sphere, &velocity, &info);
CHECK_EQUAL (0, result);
delete polygon;
delete sphere;
}
// In this test we set the velocity of the polygon instead of the
// sphere.
TEST ( CheckCollisionPolygonSphereCollidingPolygonSetVelocity ) {
vector3d vertices[4];
vertices[0].setValues (-1., 0., 1.);
vertices[1].setValues (1., 0., 1.);
vertices[2].setValues (1., 0., -1.);
vertices[3].setValues (-1., 0., -1.);
Shape* polygon = new Polygon (4, vertices);
vector3d sphere_position (2.5, 0., 0.);
Shape* sphere = new Sphere (1, sphere_position);
vector3d velocity (1., 0., 0.);
polygon->setVelocity (velocity);
CollisionInfo info;
int result = check_collision (1., polygon, sphere, &info);
CHECK_EQUAL (1, result);
CHECK_EQUAL (0.5, info.time);
delete polygon;
delete sphere;
}
TEST ( CheckSetGetAngle ) {
Shape* polygon = new Polygon (0, NULL);
polygon->setAngle (0.1234567);
CHECK (fabs (0.1234567 - polygon->getAngle ()) < 1.0e-7);
delete polygon;
}
TEST ( CheckCollisionPolygonSphereDiamond ) {
vector3d vertices[4];
float sqrt2 = sqrt (2);
vertices[0].setValues (-sqrt2, 0., 0.);
vertices[1].setValues (0., 0., sqrt2);
vertices[2].setValues (sqrt2, 0., 0.);
vertices[3].setValues (0., 0., -sqrt2);
Shape* polygon = new Polygon (4, vertices);
Shape* sphere = new Sphere (1., vector3d (sqrt2 + 1.5, 0., 0.));
sphere->setVelocity (vector3d (-1., 0., 0.));
CollisionInfo info;
int result = check_collision (1., polygon, sphere, &info);
CHECK_EQUAL (1, result);
CHECK (fabs (0.5 - info.time) <= 1.0e-6);
CHECK_EQUAL (0, info.reference_shape);
delete polygon;
delete sphere;
}
TEST ( CheckPolygonSpherePassingBy ) {
vector3d vertices[4];
vertices[0].setValues (-1., 0., 1.);
vertices[1].setValues (1., 0., 1.);
vertices[2].setValues (1., 0., -1.);
vertices[3].setValues (-1., 0., -1.);
Shape* polygon = new Polygon (4, vertices);
vector3d sphere_position (1., 0., 2.5);
Shape* sphere = new Sphere (1, sphere_position);
sphere->setVelocity (vector3d (-2., 0., 0.));
CollisionInfo info;
int result = check_collision (1., polygon, sphere, &info);
CHECK_EQUAL (0, result);
delete sphere;
delete polygon;
}
TEST ( CheckCollisionPolygonSphereReturnValuePoint ) {
vector3d vertices[4];
vertices[0].setValues (-1., 0., 1.);
vertices[1].setValues (1., 0., 1.);
vertices[2].setValues (1., 0., -1.);
vertices[3].setValues (-1., 0., -1.);
Shape* polygon = new Polygon (4, vertices);
polygon->setPosition (vector3d (sqrt (2), 0., - sqrt (2)));
polygon->setAngle (M_PI * 0.25);
Shape* sphere = new Sphere (1, vector3d (-sqrt(2) * 0.5, 0., sqrt (2) * 0.5));
sphere->setVelocity (vector3d (sqrt (2), 0., -sqrt(2)));
CollisionInfo info;
int result = check_collision (1., polygon, sphere, &info);
CHECK_EQUAL (1, result);
CHECK ( fabs (0.5 - info.time) < 1.0e-6);
CHECK ( (info.point - vector3d (sqrt (2) * 0.5, 0., -sqrt(2) * 0.5)).length() < 1.0e-6 );
delete polygon;
delete sphere;
}
TEST ( CheckCollisionPolygonSphereReturnValuePointTranslated ) {
vector3d vertices[4];
vertices[0].setValues (-1., 0., 1.);
vertices[1].setValues (1., 0., 1.);
vertices[2].setValues (1., 0., -1.);
vertices[3].setValues (-1., 0., -1.);
Shape* polygon = new Polygon (4, vertices);
polygon->setPosition (vector3d (sqrt (2) + 1., 0., - sqrt (2) - 1.));
polygon->setAngle (M_PI * 0.25);
Shape* sphere = new Sphere (1, vector3d (-sqrt(2) * 0.5 + 1., 0., sqrt (2) * 0.5 -1.));
sphere->setVelocity (vector3d (sqrt (2), 0., -sqrt(2)));
CollisionInfo info;
int result = check_collision (1., polygon, sphere, &info);
CHECK_EQUAL (1, result);
CHECK ( fabs (0.5 - info.time) < 1.0e-6);
CHECK ( (info.point - vector3d (sqrt (2) * 0.5 + 1, 0., -sqrt(2) * 0.5 - 1.)).length() < 1.0e-6 );
delete polygon;
delete sphere;
}
TEST ( CheckCollisionPolygonSphereReturnValuePointVerticeTranslated ) {
vector3d vertices[4];
vertices[0].setValues (-1., 0., 1.);
vertices[1].setValues (1., 0., 1.);
vertices[2].setValues (1., 0., -1.);
vertices[3].setValues (-1., 0., -1.);
Shape* polygon = new Polygon (4, vertices);
polygon->setPosition (vector3d (0. + 2., 0., - sqrt (2) - 1.5));
polygon->setAngle (M_PI * 0.25);
Shape* sphere = new Sphere (1, vector3d (0. + 2., 0., 0.));
sphere->setVelocity (vector3d (0. , 0., -1.));
CollisionInfo info;
int result = check_collision (1., polygon, sphere, &info);
CHECK_EQUAL (1, result);
CHECK ( fabs (0.5 - info.time) < 1.0e-6);
CHECK ( (info.point - vector3d (0. + 2., 0., -1.5)).length() < 1.0e-6 );
delete polygon;
delete sphere;
}
TEST ( CheckCollisionPolygonSphereReferenceShapePolygon ) {
vector3d vertices[4];
vertices[0].setValues (-1., 0., 1.);
vertices[1].setValues (1., 0., 1.);
vertices[2].setValues (1., 0., -1.);
vertices[3].setValues (-1., 0., -1.);
Shape* polygon = new Polygon (4, vertices);
polygon->setPosition (vector3d (0., 0., 0.));
polygon->setVelocity (vector3d (1., 0., 0.));
Shape* sphere = new Sphere (1, vector3d (2.5, 0., 0.));
sphere->setVelocity (vector3d (0., 0., 0.));
CollisionInfo info;
int result = check_collision (1., polygon, sphere, &info);
CHECK_EQUAL (1, result);
CHECK ( fabs (0.5 - info.time) < 1.0e-6);
CHECK_EQUAL ( 0, info.reference_shape );
polygon->setPosition (vector3d (0., 0., 0.));
polygon->setVelocity (vector3d (1., 0., 0.));
sphere->setPosition (vector3d (2.5, 0., 0.));
sphere->setVelocity (vector3d (0., 0., 0.));
result = check_collision (1., sphere, polygon, &info);
CHECK_EQUAL (1, result);
CHECK ( fabs (0.5 - info.time) < 1.0e-6);
CHECK_EQUAL ( 1, info.reference_shape );
delete polygon;
delete sphere;
}
TEST ( CheckCollisionPolygonSphereTimestep ) {
vector3d vertices[4];
vertices[0].setValues (-1., 0., 1.);
vertices[1].setValues (1., 0., 1.);
vertices[2].setValues (1., 0., -1.);
vertices[3].setValues (-1., 0., -1.);
Shape* polygon = new Polygon (4, vertices);
vector3d sphere_position (2.5, 0., 0.1);
Shape* sphere = new Sphere (1, sphere_position);
vector3d velocity (-1., 0., 0.);
sphere->setVelocity (velocity);
CollisionInfo info;
int result;
result = check_collision (1., polygon, sphere, &info);
CHECK_EQUAL (1, result);
CHECK_EQUAL (0.5, info.time);
result = check_collision (2., polygon, sphere, &info);
CHECK_EQUAL (1, result);
CHECK_EQUAL (0.5, info.time);
result = check_collision (0.499, polygon, sphere, &info);
CHECK_EQUAL (0, result);
delete polygon;
delete sphere;
}