diff options
Diffstat (limited to 'tests/test_curve.h')
| -rw-r--r-- | tests/test_curve.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/tests/test_curve.h b/tests/test_curve.h index 7eeee86f32..e079905e35 100644 --- a/tests/test_curve.h +++ b/tests/test_curve.h @@ -216,6 +216,41 @@ TEST_CASE("[Curve] Custom curve with linear tangents") { Math::is_equal_approx(curve->interpolate_baked(0.7), (real_t)0.8), "Custom free curve should return the expected baked value at offset 0.7 after removing point at invalid index 10."); } + +TEST_CASE("[Curve2D] Linear sampling should return exact value") { + Ref<Curve2D> curve = memnew(Curve2D); + int len = 2048; + + curve->add_point(Vector2(0, 0)); + curve->add_point(Vector2((float)len, 0)); + + float baked_length = curve->get_baked_length(); + CHECK((float)len == baked_length); + + for (int i = 0; i < len; i++) { + float expected = (float)i; + Vector2 pos = curve->interpolate_baked(expected); + CHECK_MESSAGE(pos.x == expected, "interpolate_baked should return exact value"); + } +} + +TEST_CASE("[Curve3D] Linear sampling should return exact value") { + Ref<Curve3D> curve = memnew(Curve3D); + int len = 2048; + + curve->add_point(Vector3(0, 0, 0)); + curve->add_point(Vector3((float)len, 0, 0)); + + float baked_length = curve->get_baked_length(); + CHECK((float)len == baked_length); + + for (int i = 0; i < len; i++) { + float expected = (float)i; + Vector3 pos = curve->interpolate_baked(expected); + CHECK_MESSAGE(pos.x == expected, "interpolate_baked should return exact value"); + } +} + } // namespace TestCurve #endif // TEST_CURVE_H |