godot/tests/test_path_follow_2d.h
2021-02-27 20:59:11 +05:30

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/*************************************************************************/
/* test_path_follow_2d.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
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/* The above copyright notice and this permission notice shall be */
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#ifndef TEST_PATH_FOLLOW_2D_H
#define TEST_PATH_FOLLOW_2D_H
#include "scene/2d/path_2d.h"
#include "scene/resources/curve.h"
#include "tests/test_macros.h"
namespace TestPathFollow2D {
TEST_CASE("[PathFollow2D] Sampling with unit offset") {
const Ref<Curve2D> &curve = memnew(Curve2D());
curve->add_point(Vector2(0, 0));
curve->add_point(Vector2(100, 0));
curve->add_point(Vector2(100, 100));
curve->add_point(Vector2(0, 100));
curve->add_point(Vector2(0, 0));
const Path2D *path = memnew(Path2D);
path->set_curve(curve);
const PathFollow2D *path_follow_2d = memnew(PathFollow2D);
path->add_child(path_follow_2d);
path_follow_2d->set_unit_offset(0);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(0, 0)));
path_follow_2d->set_unit_offset(0.125);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(50, 0)));
path_follow_2d->set_unit_offset(0.25);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(100, 0)));
path_follow_2d->set_unit_offset(0.375);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(100, 50)));
path_follow_2d->set_unit_offset(0.5);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(100, 100)));
path_follow_2d->set_unit_offset(0.625);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(50, 100)));
path_follow_2d->set_unit_offset(0.75);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(0, 100)));
path_follow_2d->set_unit_offset(0.875);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(0, 50)));
path_follow_2d->set_unit_offset(1);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(0, 0)));
memdelete(path);
}
TEST_CASE("[PathFollow2D] Sampling with offset") {
const Ref<Curve2D> &curve = memnew(Curve2D());
curve->add_point(Vector2(0, 0));
curve->add_point(Vector2(100, 0));
curve->add_point(Vector2(100, 100));
curve->add_point(Vector2(0, 100));
curve->add_point(Vector2(0, 0));
const Path2D *path = memnew(Path2D);
path->set_curve(curve);
const PathFollow2D *path_follow_2d = memnew(PathFollow2D);
path->add_child(path_follow_2d);
path_follow_2d->set_offset(0);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(0, 0)));
path_follow_2d->set_offset(50);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(50, 0)));
path_follow_2d->set_offset(100);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(100, 0)));
path_follow_2d->set_offset(150);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(100, 50)));
path_follow_2d->set_offset(200);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(100, 100)));
path_follow_2d->set_offset(250);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(50, 100)));
path_follow_2d->set_offset(300);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(0, 100)));
path_follow_2d->set_offset(350);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(0, 50)));
path_follow_2d->set_offset(400);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(0, 0)));
memdelete(path);
}
TEST_CASE("[PathFollow2D] Removal of a point in curve") {
const Ref<Curve2D> &curve = memnew(Curve2D());
curve->add_point(Vector2(0, 0));
curve->add_point(Vector2(100, 0));
curve->add_point(Vector2(100, 100));
const Path2D *path = memnew(Path2D);
path->set_curve(curve);
const PathFollow2D *path_follow_2d = memnew(PathFollow2D);
path->add_child(path_follow_2d);
path_follow_2d->set_unit_offset(0.5);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(100, 0)));
curve->remove_point(1);
CHECK_MESSAGE(
path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(50, 50)),
"Path follow's position should be updated after removing a point from the curve");
memdelete(path);
}
TEST_CASE("[PathFollow2D] Setting h_offset and v_offset") {
const Ref<Curve2D> &curve = memnew(Curve2D());
curve->add_point(Vector2(0, 0));
curve->add_point(Vector2(100, 0));
const Path2D *path = memnew(Path2D);
path->set_curve(curve);
const PathFollow2D *path_follow_2d = memnew(PathFollow2D);
path->add_child(path_follow_2d);
path_follow_2d->set_unit_offset(0.5);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(50, 0)));
path_follow_2d->set_h_offset(25);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(75, 0)));
path_follow_2d->set_v_offset(25);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(75, 25)));
memdelete(path);
}
TEST_CASE("[PathFollow2D] Unit offset out of range") {
const Ref<Curve2D> &curve = memnew(Curve2D());
curve->add_point(Vector2(0, 0));
curve->add_point(Vector2(100, 0));
const Path2D *path = memnew(Path2D);
path->set_curve(curve);
const PathFollow2D *path_follow_2d = memnew(PathFollow2D);
path->add_child(path_follow_2d);
path_follow_2d->set_loop(true);
path_follow_2d->set_unit_offset(-0.3);
CHECK_MESSAGE(
path_follow_2d->get_unit_offset() == 0.7,
"Unit Offset should loop back from the end in the opposite direction");
path_follow_2d->set_unit_offset(1.3);
CHECK_MESSAGE(
path_follow_2d->get_unit_offset() == 0.3,
"Unit Offset should loop back from the end in the opposite direction");
path_follow_2d->set_loop(false);
path_follow_2d->set_unit_offset(-0.3);
CHECK_MESSAGE(
path_follow_2d->get_unit_offset() == 0,
"Unit Offset should be clamped at 0");
path_follow_2d->set_unit_offset(1.3);
CHECK_MESSAGE(
path_follow_2d->get_unit_offset() == 1,
"Unit Offset should be clamped at 1");
memdelete(path);
}
TEST_CASE("[PathFollow2D] Offset out of range") {
const Ref<Curve2D> &curve = memnew(Curve2D());
curve->add_point(Vector2(0, 0));
curve->add_point(Vector2(100, 0));
const Path2D *path = memnew(Path2D);
path->set_curve(curve);
const PathFollow2D *path_follow_2d = memnew(PathFollow2D);
path->add_child(path_follow_2d);
path_follow_2d->set_loop(true);
path_follow_2d->set_offset(-50);
CHECK_MESSAGE(
path_follow_2d->get_offset() == 50,
"Offset should loop back from the end in the opposite direction");
path_follow_2d->set_offset(150);
CHECK_MESSAGE(
path_follow_2d->get_offset() == 50,
"Offset should loop back from the end in the opposite direction");
path_follow_2d->set_loop(false);
path_follow_2d->set_offset(-50);
CHECK_MESSAGE(
path_follow_2d->get_offset() == 0,
"Offset should be clamped at 0");
path_follow_2d->set_offset(150);
CHECK_MESSAGE(
path_follow_2d->get_offset() == 100,
"Offset should be clamped at 1");
memdelete(path);
}
} // namespace TestPathFollow2D
#endif // TEST_PATH_FOLLOW_2D_H