godot/tests/scene/test_path_follow_2d.h

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/*************************************************************************/
/* test_path_follow_2d.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
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/* The above copyright notice and this permission notice shall be */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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#ifndef TEST_PATH_FOLLOW_2D_H
#define TEST_PATH_FOLLOW_2D_H
#include "scene/2d/path_2d.h"
#include "tests/test_macros.h"
namespace TestPathFollow2D {
TEST_CASE("[PathFollow2D] Sampling with progress ratio") {
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_progress_ratio(0);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(0, 0)));
path_follow_2d->set_progress_ratio(0.125);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(50, 0)));
path_follow_2d->set_progress_ratio(0.25);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(100, 0)));
path_follow_2d->set_progress_ratio(0.375);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(100, 50)));
path_follow_2d->set_progress_ratio(0.5);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(100, 100)));
path_follow_2d->set_progress_ratio(0.625);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(50, 100)));
path_follow_2d->set_progress_ratio(0.75);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(0, 100)));
path_follow_2d->set_progress_ratio(0.875);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(0, 50)));
path_follow_2d->set_progress_ratio(1);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(0, 0)));
memdelete(path);
}
TEST_CASE("[PathFollow2D] Sampling with progress") {
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_progress(0);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(0, 0)));
path_follow_2d->set_progress(50);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(50, 0)));
path_follow_2d->set_progress(100);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(100, 0)));
path_follow_2d->set_progress(150);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(100, 50)));
path_follow_2d->set_progress(200);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(100, 100)));
path_follow_2d->set_progress(250);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(50, 100)));
path_follow_2d->set_progress(300);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(0, 100)));
path_follow_2d->set_progress(350);
CHECK(path_follow_2d->get_transform().get_origin().is_equal_approx(Vector2(0, 50)));
path_follow_2d->set_progress(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_progress_ratio(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_progress_ratio(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_progress_ratio(-0.3);
CHECK_MESSAGE(
path_follow_2d->get_progress_ratio() == 0.7,
"Progress Ratio should loop back from the end in the opposite direction");
path_follow_2d->set_progress_ratio(1.3);
CHECK_MESSAGE(
path_follow_2d->get_progress_ratio() == 0.3,
"Progress Ratio should loop back from the end in the opposite direction");
path_follow_2d->set_loop(false);
path_follow_2d->set_progress_ratio(-0.3);
CHECK_MESSAGE(
path_follow_2d->get_progress_ratio() == 0,
"Progress Ratio should be clamped at 0");
path_follow_2d->set_progress_ratio(1.3);
CHECK_MESSAGE(
path_follow_2d->get_progress_ratio() == 1,
"Progress Ratio should be clamped at 1");
memdelete(path);
}
TEST_CASE("[PathFollow2D] Progress 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_progress(-50);
CHECK_MESSAGE(
path_follow_2d->get_progress() == 50,
"Progress should loop back from the end in the opposite direction");
path_follow_2d->set_progress(150);
CHECK_MESSAGE(
path_follow_2d->get_progress() == 50,
"Progress should loop back from the end in the opposite direction");
path_follow_2d->set_loop(false);
path_follow_2d->set_progress(-50);
CHECK_MESSAGE(
path_follow_2d->get_progress() == 0,
"Progress should be clamped at 0");
path_follow_2d->set_progress(150);
CHECK_MESSAGE(
path_follow_2d->get_progress() == 100,
"Progress should be clamped at 1");
memdelete(path);
}
} // namespace TestPathFollow2D
#endif // TEST_PATH_FOLLOW_2D_H