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Merge pull request #78378 from 0xafbf/curve-evaluate-correct-transform

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Changed the way the rotation of a curve at a point is evaluated to match PathFollow2D
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Rémi Verschelde 2024-01-04 16:38:38 +01:00
commit b88eddb682
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GPG key ID: C3336907360768E1
4 changed files with 36 additions and 18 deletions
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34
tests/scene/test_curve_2d.h
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@ -155,17 +155,37 @@ TEST_CASE("[Curve2D] Sampling") {
SUBCASE("sample_baked_with_rotation") {
const real_t pi = 3.14159;
Transform2D t = curve->sample_baked_with_rotation(curve->get_closest_offset(Vector2(0, 0)));
CHECK(t.get_origin() == Vector2(0, 0));
CHECK(Math::is_equal_approx(t.get_rotation(), pi));
const real_t half_pi = pi * 0.5;
Ref<Curve2D> rot_curve = memnew(Curve2D);
Transform2D t;
t = curve->sample_baked_with_rotation(curve->get_closest_offset(Vector2(0, 25)));
rot_curve->clear_points();
rot_curve->add_point(Vector2());
rot_curve->add_point(Vector2(50, 0));
t = rot_curve->sample_baked_with_rotation(25);
CHECK(t.get_origin() == Vector2(25, 0));
CHECK(Math::is_equal_approx(t.get_rotation(), 0));
rot_curve->clear_points();
rot_curve->add_point(Vector2());
rot_curve->add_point(Vector2(0, 50));
t = rot_curve->sample_baked_with_rotation(25);
CHECK(t.get_origin() == Vector2(0, 25));
CHECK(Math::is_equal_approx(t.get_rotation(), half_pi));
rot_curve->clear_points();
rot_curve->add_point(Vector2());
rot_curve->add_point(Vector2(-50, 0));
t = rot_curve->sample_baked_with_rotation(25);
CHECK(t.get_origin() == Vector2(-25, 0));
CHECK(Math::is_equal_approx(t.get_rotation(), pi));
t = curve->sample_baked_with_rotation(curve->get_closest_offset(Vector2(0, 50)));
CHECK(t.get_origin() == Vector2(0, 50));
CHECK(Math::is_equal_approx(t.get_rotation(), pi));
rot_curve->clear_points();
rot_curve->add_point(Vector2());
rot_curve->add_point(Vector2(0, -50));
t = rot_curve->sample_baked_with_rotation(25);
CHECK(t.get_origin() == Vector2(0, -25));
CHECK(Math::is_equal_approx(t.get_rotation(), -half_pi));
}
SUBCASE("get_closest_point") {