/**************************************************************************/
/* test_path_follow_2d.h */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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#ifndef TEST_PATH_FOLLOW_2D_H
#define TEST_PATH_FOLLOW_2D_H
#include "scene/2d/path_2d.h"
#include "scene/main/window.h"
#include "tests/test_macros.h"
namespace TestPathFollow2D {
bool is_equal_approx(const Vector2 &p_a, const Vector2 &p_b) {
const real_t tolerance = 0.001;
return Math::is_equal_approx(p_a.x, p_b.x, tolerance) &&
Math::is_equal_approx(p_a.y, p_b.y, tolerance);
}
TEST_CASE("[SceneTree][PathFollow2D] Sampling with progress ratio") {
Ref<Curve2D> curve = memnew(Curve2D);
curve->set_bake_interval(1);
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));
Path2D *path = memnew(Path2D);
path->set_curve(curve);
PathFollow2D *path_follow_2d = memnew(PathFollow2D);
path_follow_2d->set_loop(false);
path->add_child(path_follow_2d);
SceneTree::get_singleton()->get_root()->add_child(path);
path_follow_2d->set_progress_ratio(0);
CHECK(is_equal_approx(Vector2(0, 0), path_follow_2d->get_transform().get_origin()));
path_follow_2d->set_progress_ratio(0.125);
CHECK(is_equal_approx(Vector2(50, 0), path_follow_2d->get_transform().get_origin()));
path_follow_2d->set_progress_ratio(0.25);
CHECK(is_equal_approx(Vector2(100, 0), path_follow_2d->get_transform().get_origin()));
path_follow_2d->set_progress_ratio(0.375);
CHECK(is_equal_approx(Vector2(100, 50), path_follow_2d->get_transform().get_origin()));
path_follow_2d->set_progress_ratio(0.5);
CHECK(is_equal_approx(Vector2(100, 100), path_follow_2d->get_transform().get_origin()));
path_follow_2d->set_progress_ratio(0.625);
CHECK(is_equal_approx(Vector2(50, 100), path_follow_2d->get_transform().get_origin()));
path_follow_2d->set_progress_ratio(0.75);
CHECK(is_equal_approx(Vector2(0, 100), path_follow_2d->get_transform().get_origin()));
path_follow_2d->set_progress_ratio(0.875);
CHECK(is_equal_approx(Vector2(0, 50), path_follow_2d->get_transform().get_origin()));
path_follow_2d->set_progress_ratio(1);
CHECK(is_equal_approx(Vector2(0, 0), path_follow_2d->get_transform().get_origin()));
memdelete(path);
}
TEST_CASE("[SceneTree][PathFollow2D] Sampling with progress") {
Ref<Curve2D> curve = memnew(Curve2D);
curve->set_bake_interval(1);
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));
Path2D *path = memnew(Path2D);
path->set_curve(curve);
PathFollow2D *path_follow_2d = memnew(PathFollow2D);
path_follow_2d->set_loop(false);
path->add_child(path_follow_2d);
SceneTree::get_singleton()->get_root()->add_child(path);
path_follow_2d->set_progress(0);
CHECK(is_equal_approx(Vector2(0, 0), path_follow_2d->get_transform().get_origin()));
path_follow_2d->set_progress(50);
CHECK(is_equal_approx(Vector2(50, 0), path_follow_2d->get_transform().get_origin()));
path_follow_2d->set_progress(100);
CHECK(is_equal_approx(Vector2(100, 0), path_follow_2d->get_transform().get_origin()));
path_follow_2d->set_progress(150);
CHECK(is_equal_approx(Vector2(100, 50), path_follow_2d->get_transform().get_origin()));
path_follow_2d->set_progress(200);
CHECK(is_equal_approx(Vector2(100, 100), path_follow_2d->get_transform().get_origin()));
path_follow_2d->set_progress(250);
CHECK(is_equal_approx(Vector2(50, 100), path_follow_2d->get_transform().get_origin()));
path_follow_2d->set_progress(300);
CHECK(is_equal_approx(Vector2(0, 100), path_follow_2d->get_transform().get_origin()));
path_follow_2d->set_progress(350);
CHECK(is_equal_approx(Vector2(0, 50), path_follow_2d->get_transform().get_origin()));
path_follow_2d->set_progress(400);
CHECK(is_equal_approx(Vector2(0, 0), path_follow_2d->get_transform().get_origin()));
memdelete(path);
}
TEST_CASE("[SceneTree][PathFollow2D] Removal of a point in curve") {
Ref<Curve2D> curve = memnew(Curve2D);
curve->add_point(Vector2(0, 0));
curve->add_point(Vector2(100, 0));
curve->add_point(Vector2(100, 100));
Path2D *path = memnew(Path2D);
path->set_curve(curve);
PathFollow2D *path_follow_2d = memnew(PathFollow2D);
path->add_child(path_follow_2d);
SceneTree::get_singleton()->get_root()->add_child(path);
path_follow_2d->set_progress_ratio(0.5);
CHECK(is_equal_approx(Vector2(100, 0), path_follow_2d->get_transform().get_origin()));
curve->remove_point(1);
path_follow_2d->set_progress_ratio(0.5);
CHECK_MESSAGE(
is_equal_approx(Vector2(50, 50), path_follow_2d->get_transform().get_origin()),
"Path follow's position should be updated after removing a point from the curve");
memdelete(path);
}
TEST_CASE("[SceneTree][PathFollow2D] Setting h_offset and v_offset") {
Ref<Curve2D> curve = memnew(Curve2D);
curve->add_point(Vector2(0, 0));
curve->add_point(Vector2(100, 0));
Path2D *path = memnew(Path2D);
path->set_curve(curve);
PathFollow2D *path_follow_2d = memnew(PathFollow2D);
path->add_child(path_follow_2d);
SceneTree::get_singleton()->get_root()->add_child(path);
path_follow_2d->set_progress_ratio(0.5);
CHECK(is_equal_approx(Vector2(50, 0), path_follow_2d->get_transform().get_origin()));
path_follow_2d->set_h_offset(25);
CHECK(is_equal_approx(Vector2(75, 0), path_follow_2d->get_transform().get_origin()));
path_follow_2d->set_v_offset(25);
CHECK(is_equal_approx(Vector2(75, 25), path_follow_2d->get_transform().get_origin()));
memdelete(path);
}
TEST_CASE("[SceneTree][PathFollow2D] Progress ratio out of range") {
Ref<Curve2D> curve = memnew(Curve2D);
curve->add_point(Vector2(0, 0));
curve->add_point(Vector2(100, 0));
Path2D *path = memnew(Path2D);
path->set_curve(curve);
PathFollow2D *path_follow_2d = memnew(PathFollow2D);
path->add_child(path_follow_2d);
SceneTree::get_singleton()->get_root()->add_child(path);
path_follow_2d->set_loop(true);
path_follow_2d->set_progress_ratio(-0.3);
CHECK_MESSAGE(
Math::is_equal_approx(path_follow_2d->get_progress_ratio(), (real_t)0.7),
"Progress Ratio should loop back from the end in the opposite direction");
path_follow_2d->set_progress_ratio(1.3);
CHECK_MESSAGE(
Math::is_equal_approx(path_follow_2d->get_progress_ratio(), (real_t)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(
Math::is_equal_approx(path_follow_2d->get_progress_ratio(), 0),
"Progress Ratio should be clamped at 0");
path_follow_2d->set_progress_ratio(1.3);
CHECK_MESSAGE(
Math::is_equal_approx(path_follow_2d->get_progress_ratio(), 1),
"Progress Ratio should be clamped at 1");
memdelete(path);
}
TEST_CASE("[SceneTree][PathFollow2D] Progress out of range") {
Ref<Curve2D> curve = memnew(Curve2D);
curve->add_point(Vector2(0, 0));
curve->add_point(Vector2(100, 0));
Path2D *path = memnew(Path2D);
path->set_curve(curve);
PathFollow2D *path_follow_2d = memnew(PathFollow2D);
path->add_child(path_follow_2d);
SceneTree::get_singleton()->get_root()->add_child(path);
path_follow_2d->set_loop(true);
path_follow_2d->set_progress(-50);
CHECK_MESSAGE(
Math::is_equal_approx(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(
Math::is_equal_approx(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(
Math::is_equal_approx(path_follow_2d->get_progress(), 0),
"Progress should be clamped at 0");
path_follow_2d->set_progress(150);
CHECK_MESSAGE(
Math::is_equal_approx(path_follow_2d->get_progress(), 100),
"Progress should be clamped at 1");
memdelete(path);
}
} // namespace TestPathFollow2D
#endif // TEST_PATH_FOLLOW_2D_H
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