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add unit tests for Node2D helper methods

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unknown 2024-05-03 18:28:54 +05:30 committed by shashank
parent 3978628c6c
commit be072de73c
1 changed files with 125 additions and 0 deletions
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125
tests/scene/test_node_2d.h
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@ -86,6 +86,131 @@ TEST_CASE("[SceneTree][Node2D]") {
}
}
TEST_CASE("[SceneTree][Node2D] Utility methods") {
Node2D *test_node1 = memnew(Node2D);
Node2D *test_node2 = memnew(Node2D);
Node2D *test_node3 = memnew(Node2D);
Node2D *test_sibling = memnew(Node2D);
SceneTree::get_singleton()->get_root()->add_child(test_node1);
test_node1->set_position(Point2(100, 100));
test_node1->set_rotation(Math::deg_to_rad(30.0));
test_node1->set_scale(Size2(1, 1));
test_node1->add_child(test_node2);
test_node2->set_position(Point2(10, 0));
test_node2->set_rotation(Math::deg_to_rad(60.0));
test_node2->set_scale(Size2(1, 1));
test_node2->add_child(test_node3);
test_node2->add_child(test_sibling);
test_node3->set_position(Point2(0, 10));
test_node3->set_rotation(Math::deg_to_rad(0.0));
test_node3->set_scale(Size2(2, 2));
test_sibling->set_position(Point2(5, 10));
test_sibling->set_rotation(Math::deg_to_rad(90.0));
test_sibling->set_scale(Size2(2, 1));
SUBCASE("[Node2D] look_at") {
test_node3->look_at(Vector2(1, 1));
CHECK(test_node3->get_global_position().is_equal_approx(Point2(98.66026, 105)));
CHECK(Math::is_equal_approx(test_node3->get_global_rotation(), real_t(-2.32477)));
CHECK(test_node3->get_global_scale().is_equal_approx(Vector2(2, 2)));
CHECK(test_node3->get_position().is_equal_approx(Vector2(0, 10)));
CHECK(Math::is_equal_approx(test_node3->get_rotation(), real_t(2.38762)));
CHECK(test_node3->get_scale().is_equal_approx(Vector2(2, 2)));
test_node3->look_at(Vector2(0, 10));
CHECK(test_node3->get_global_position().is_equal_approx(Vector2(98.66026, 105)));
CHECK(Math::is_equal_approx(test_node3->get_global_rotation(), real_t(-2.37509)));
CHECK(test_node3->get_global_scale().is_equal_approx(Vector2(2, 2)));
CHECK(test_node3->get_position().is_equal_approx(Vector2(0, 10)));
CHECK(Math::is_equal_approx(test_node3->get_rotation(), real_t(2.3373)));
CHECK(test_node3->get_scale().is_equal_approx(Vector2(2, 2)));
// Don't do anything if look_at own position.
test_node3->look_at(test_node3->get_global_position());
CHECK(test_node3->get_global_position().is_equal_approx(Vector2(98.66026, 105)));
CHECK(Math::is_equal_approx(test_node3->get_global_rotation(), real_t(-2.37509)));
CHECK(test_node3->get_global_scale().is_equal_approx(Vector2(2, 2)));
CHECK(test_node3->get_position().is_equal_approx(Vector2(0, 10)));
CHECK(Math::is_equal_approx(test_node3->get_rotation(), real_t(2.3373)));
CHECK(test_node3->get_scale().is_equal_approx(Vector2(2, 2)));
// Revert any rotation caused by look_at, must run after look_at tests
test_node3->set_rotation(Math::deg_to_rad(0.0));
}
SUBCASE("[Node2D] get_angle_to") {
CHECK(Math::is_equal_approx(test_node3->get_angle_to(Vector2(1, 1)), real_t(2.38762)));
CHECK(Math::is_equal_approx(test_node3->get_angle_to(Vector2(0, 10)), real_t(2.3373)));
CHECK(Math::is_equal_approx(test_node3->get_angle_to(Vector2(2, -5)), real_t(2.42065)));
CHECK(Math::is_equal_approx(test_node3->get_angle_to(Vector2(-2, 5)), real_t(2.3529)));
// Return 0 when get_angle_to own position.
CHECK(Math::is_equal_approx(test_node3->get_angle_to(test_node3->get_global_position()), real_t(0)));
}
SUBCASE("[Node2D] to_local") {
Point2 node3_local = test_node3->to_local(Point2(1, 2));
CHECK(node3_local.is_equal_approx(Point2(-51.5, 48.83013)));
node3_local = test_node3->to_local(Point2(-2, 1));
CHECK(node3_local.is_equal_approx(Point2(-52, 50.33013)));
node3_local = test_node3->to_local(Point2(0, 0));
CHECK(node3_local.is_equal_approx(Point2(-52.5, 49.33013)));
node3_local = test_node3->to_local(test_node3->get_global_position());
CHECK(node3_local.is_equal_approx(Point2(0, 0)));
}
SUBCASE("[Node2D] to_global") {
Point2 node3_global = test_node3->to_global(Point2(1, 2));
CHECK(node3_global.is_equal_approx(Point2(94.66026, 107)));
node3_global = test_node3->to_global(Point2(-2, 1));
CHECK(node3_global.is_equal_approx(Point2(96.66026, 101)));
node3_global = test_node3->to_global(Point2(0, 0));
CHECK(node3_global.is_equal_approx(test_node3->get_global_position()));
}
SUBCASE("[Node2D] get_relative_transform_to_parent") {
Transform2D relative_xform = test_node3->get_relative_transform_to_parent(test_node3);
CHECK(relative_xform.is_equal_approx(Transform2D()));
relative_xform = test_node3->get_relative_transform_to_parent(test_node2);
CHECK(relative_xform.get_origin().is_equal_approx(Vector2(0, 10)));
CHECK(Math::is_equal_approx(relative_xform.get_rotation(), real_t(0)));
CHECK(relative_xform.get_scale().is_equal_approx(Vector2(2, 2)));
relative_xform = test_node3->get_relative_transform_to_parent(test_node1);
CHECK(relative_xform.get_origin().is_equal_approx(Vector2(1.339746, 5)));
CHECK(Math::is_equal_approx(relative_xform.get_rotation(), real_t(1.0472)));
CHECK(relative_xform.get_scale().is_equal_approx(Vector2(2, 2)));
ERR_PRINT_OFF;
// In case of a sibling all transforms until the root are accumulated.
Transform2D xform = test_node3->get_relative_transform_to_parent(test_sibling);
Transform2D return_xform = test_node1->get_global_transform().inverse() * test_node3->get_global_transform();
CHECK(xform.is_equal_approx(return_xform));
ERR_PRINT_ON;
}
memdelete(test_sibling);
memdelete(test_node3);
memdelete(test_node2);
memdelete(test_node1);
}
} // namespace TestNode2D
#endif // TEST_NODE_2D_H