223 lines
10 KiB
C++
223 lines
10 KiB
C++
|
/*************************************************************************/
|
||
|
|
/* test_curve.h */
|
||
|
|
/*************************************************************************/
|
||
|
|
/* This file is part of: */
|
||
|
|
/* GODOT ENGINE */
|
||
|
|
/* https://godotengine.org */
|
||
|
|
/*************************************************************************/
|
||
|
|
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
|
||
|
|
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
|
||
|
|
/* */
|
||
|
|
/* Permission is hereby granted, free of charge, to any person obtaining */
|
||
|
|
/* a copy of this software and associated documentation files (the */
|
||
|
|
/* "Software"), to deal in the Software without restriction, including */
|
||
|
|
/* without limitation the rights to use, copy, modify, merge, publish, */
|
||
|
|
/* distribute, sublicense, and/or sell copies of the Software, and to */
|
||
|
|
/* permit persons to whom the Software is furnished to do so, subject to */
|
||
|
|
/* the following conditions: */
|
||
|
|
/* */
|
||
|
|
/* The above copyright notice and this permission notice shall be */
|
||
|
|
/* included in all copies or substantial portions of the Software. */
|
||
|
|
/* */
|
||
|
|
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
||
|
|
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
||
|
|
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
|
||
|
|
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
||
|
|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
||
|
|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
||
|
|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
#ifndef TEST_CURVE_H
|
||
|
|
#define TEST_CURVE_H
|
||
|
|
|
||
|
|
#include "scene/resources/curve.h"
|
||
|
|
|
||
|
|
#include "thirdparty/doctest/doctest.h"
|
||
|
|
|
||
|
|
namespace TestCurve {
|
||
|
|
|
||
|
|
TEST_CASE("[Curve] Default curve") {
|
||
|
|
const Ref<Curve> curve = memnew(Curve);
|
||
|
|
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
curve->get_point_count() == 0,
|
||
|
|
"Default curve should contain the expected number of points.");
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
Math::is_zero_approx(curve->interpolate(0)),
|
||
|
|
"Default curve should return the expected value at offset 0.0.");
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
Math::is_zero_approx(curve->interpolate(0.5)),
|
||
|
|
"Default curve should return the expected value at offset 0.5.");
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
Math::is_zero_approx(curve->interpolate(1)),
|
||
|
|
"Default curve should return the expected value at offset 1.0.");
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST_CASE("[Curve] Custom curve with free tangents") {
|
||
|
|
Ref<Curve> curve = memnew(Curve);
|
||
|
|
// "Sawtooth" curve with an open ending towards the 1.0 offset.
|
||
|
|
curve->add_point(Vector2(0, 0));
|
||
|
|
curve->add_point(Vector2(0.25, 1));
|
||
|
|
curve->add_point(Vector2(0.5, 0));
|
||
|
|
curve->add_point(Vector2(0.75, 1));
|
||
|
|
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
Math::is_zero_approx(curve->get_point_left_tangent(0)),
|
||
|
|
"get_point_left_tangent() should return the expected value for point index 0.");
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
Math::is_zero_approx(curve->get_point_right_tangent(0)),
|
||
|
|
"get_point_right_tangent() should return the expected value for point index 0.");
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
curve->get_point_left_mode(0) == Curve::TangentMode::TANGENT_FREE,
|
||
|
|
"get_point_left_mode() should return the expected value for point index 0.");
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
curve->get_point_right_mode(0) == Curve::TangentMode::TANGENT_FREE,
|
||
|
|
"get_point_right_mode() should return the expected value for point index 0.");
|
||
|
|
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
curve->get_point_count() == 4,
|
||
|
|
"Custom free curve should contain the expected number of points.");
|
||
|
|
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
Math::is_equal_approx(curve->interpolate(-0.1), 0),
|
||
|
|
"Custom free curve should return the expected value at offset 0.1.");
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
Math::is_equal_approx(curve->interpolate(0.1), 0.352),
|
||
|
|
"Custom free curve should return the expected value at offset 0.1.");
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
Math::is_equal_approx(curve->interpolate(0.4), 0.352),
|
||
|
|
"Custom free curve should return the expected value at offset 0.1.");
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
Math::is_equal_approx(curve->interpolate(0.7), 0.896),
|
||
|
|
"Custom free curve should return the expected value at offset 0.1.");
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
Math::is_equal_approx(curve->interpolate(1), 1),
|
||
|
|
"Custom free curve should return the expected value at offset 0.1.");
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
Math::is_equal_approx(curve->interpolate(2), 1),
|
||
|
|
"Custom free curve should return the expected value at offset 0.1.");
|
||
|
|
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
Math::is_equal_approx(curve->interpolate_baked(-0.1), 0),
|
||
|
|
"Custom free curve should return the expected baked value at offset 0.1.");
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
Math::is_equal_approx(curve->interpolate_baked(0.1), 0.352),
|
||
|
|
"Custom free curve should return the expected baked value at offset 0.1.");
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
Math::is_equal_approx(curve->interpolate_baked(0.4), 0.352),
|
||
|
|
"Custom free curve should return the expected baked value at offset 0.1.");
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
Math::is_equal_approx(curve->interpolate_baked(0.7), 0.896),
|
||
|
|
"Custom free curve should return the expected baked value at offset 0.1.");
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
Math::is_equal_approx(curve->interpolate_baked(1), 1),
|
||
|
|
"Custom free curve should return the expected baked value at offset 0.1.");
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
Math::is_equal_approx(curve->interpolate_baked(2), 1),
|
||
|
|
"Custom free curve should return the expected baked value at offset 0.1.");
|
||
|
|
|
||
|
|
curve->remove_point(1);
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
Math::is_equal_approx(curve->interpolate(0.1), 0),
|
||
|
|
"Custom free curve should return the expected value at offset 0.1 after removing point at index 1.");
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
Math::is_equal_approx(curve->interpolate_baked(0.1), 0),
|
||
|
|
"Custom free curve should return the expected baked value at offset 0.1 after removing point at index 1.");
|
||
|
|
|
||
|
|
curve->clear_points();
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
Math::is_equal_approx(curve->interpolate(0.6), 0),
|
||
|
|
"Custom free curve should return the expected value at offset 0.6 after clearing all points.");
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
Math::is_equal_approx(curve->interpolate_baked(0.6), 0),
|
||
|
|
"Custom free curve should return the expected baked value at offset 0.6 after clearing all points.");
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST_CASE("[Curve] Custom curve with linear tangents") {
|
||
|
|
Ref<Curve> curve = memnew(Curve);
|
||
|
|
// "Sawtooth" curve with an open ending towards the 1.0 offset.
|
||
|
|
curve->add_point(Vector2(0, 0), 0, 0, Curve::TangentMode::TANGENT_LINEAR, Curve::TangentMode::TANGENT_LINEAR);
|
||
|
|
curve->add_point(Vector2(0.25, 1), 0, 0, Curve::TangentMode::TANGENT_LINEAR, Curve::TangentMode::TANGENT_LINEAR);
|
||
|
|
curve->add_point(Vector2(0.5, 0), 0, 0, Curve::TangentMode::TANGENT_LINEAR, Curve::TangentMode::TANGENT_LINEAR);
|
||
|
|
curve->add_point(Vector2(0.75, 1), 0, 0, Curve::TangentMode::TANGENT_LINEAR, Curve::TangentMode::TANGENT_LINEAR);
|
||
|
|
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
Math::is_equal_approx(curve->get_point_left_tangent(3), 4),
|
||
|
|
"get_point_left_tangent() should return the expected value for point index 3.");
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
Math::is_zero_approx(curve->get_point_right_tangent(3)),
|
||
|
|
"get_point_right_tangent() should return the expected value for point index 3.");
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
curve->get_point_left_mode(3) == Curve::TangentMode::TANGENT_LINEAR,
|
||
|
|
"get_point_left_mode() should return the expected value for point index 3.");
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
curve->get_point_right_mode(3) == Curve::TangentMode::TANGENT_LINEAR,
|
||
|
|
"get_point_right_mode() should return the expected value for point index 3.");
|
||
|
|
|
||
|
|
ERR_PRINT_OFF;
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
Math::is_zero_approx(curve->get_point_right_tangent(300)),
|
||
|
|
"get_point_right_tangent() should return the expected value for invalid point index 300.");
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
curve->get_point_left_mode(-12345) == Curve::TangentMode::TANGENT_FREE,
|
||
|
|
"get_point_left_mode() should return the expected value for invalid point index -12345.");
|
||
|
|
ERR_PRINT_ON;
|
||
|
|
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
curve->get_point_count() == 4,
|
||
|
|
"Custom linear curve should contain the expected number of points.");
|
||
|
|
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
Math::is_equal_approx(curve->interpolate(-0.1), 0),
|
||
|
|
"Custom linear curve should return the expected value at offset -0.1.");
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
Math::is_equal_approx(curve->interpolate(0.1), 0.4),
|
||
|
|
"Custom linear curve should return the expected value at offset 0.1.");
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
Math::is_equal_approx(curve->interpolate(0.4), 0.4),
|
||
|
|
"Custom linear curve should return the expected value at offset 0.4.");
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
Math::is_equal_approx(curve->interpolate(0.7), 0.8),
|
||
|
|
"Custom linear curve should return the expected value at offset 0.7.");
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
Math::is_equal_approx(curve->interpolate(1), 1),
|
||
|
|
"Custom linear curve should return the expected value at offset 1.0.");
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
Math::is_equal_approx(curve->interpolate(2), 1),
|
||
|
|
"Custom linear curve should return the expected value at offset 2.0.");
|
||
|
|
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
Math::is_equal_approx(curve->interpolate_baked(-0.1), 0),
|
||
|
|
"Custom linear curve should return the expected baked value at offset -0.1.");
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
Math::is_equal_approx(curve->interpolate_baked(0.1), 0.4),
|
||
|
|
"Custom linear curve should return the expected baked value at offset 0.1.");
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
Math::is_equal_approx(curve->interpolate_baked(0.4), 0.4),
|
||
|
|
"Custom linear curve should return the expected baked value at offset 0.4.");
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
Math::is_equal_approx(curve->interpolate_baked(0.7), 0.8),
|
||
|
|
"Custom linear curve should return the expected baked value at offset 0.7.");
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
Math::is_equal_approx(curve->interpolate_baked(1), 1),
|
||
|
|
"Custom linear curve should return the expected baked value at offset 1.0.");
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
Math::is_equal_approx(curve->interpolate_baked(2), 1),
|
||
|
|
"Custom linear curve should return the expected baked value at offset 2.0.");
|
||
|
|
|
||
|
|
ERR_PRINT_OFF;
|
||
|
|
curve->remove_point(10);
|
||
|
|
ERR_PRINT_ON;
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
Math::is_equal_approx(curve->interpolate(0.7), 0.8),
|
||
|
|
"Custom free curve should return the expected value at offset 0.7 after removing point at invalid index 10.");
|
||
|
|
CHECK_MESSAGE(
|
||
|
|
Math::is_equal_approx(curve->interpolate_baked(0.7), 0.8),
|
||
|
|
"Custom free curve should return the expected baked value at offset 0.7 after removing point at invalid index 10.");
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace TestCurve
|
||
|
|
|
||
|
|
#endif // TEST_CURVE_H
|