diff options
Diffstat (limited to 'tests/core/math/test_vector2.h')
| -rw-r--r-- | tests/core/math/test_vector2.h | 83 |
1 files changed, 82 insertions, 1 deletions
diff --git a/tests/core/math/test_vector2.h b/tests/core/math/test_vector2.h index 9b7800164a..0d7f1163e4 100644 --- a/tests/core/math/test_vector2.h +++ b/tests/core/math/test_vector2.h @@ -37,6 +37,14 @@ namespace TestVector2 { +TEST_CASE("[Vector2] Constructor methods") { + const Vector2 vector_empty = Vector2(); + const Vector2 vector_zero = Vector2(0.0, 0.0); + CHECK_MESSAGE( + vector_empty == vector_zero, + "Vector2 Constructor with no inputs should return a zero Vector2."); +} + TEST_CASE("[Vector2] Angle methods") { const Vector2 vector_x = Vector2(1, 0); const Vector2 vector_y = Vector2(0, 1); @@ -102,6 +110,9 @@ TEST_CASE("[Vector2] Interpolation methods") { Vector2(1, 1).slerp(Vector2(), 0.5) == Vector2(0.5, 0.5), "Vector2 slerp with one input as zero should behave like a regular lerp."); CHECK_MESSAGE( + Vector2(4, 6).slerp(Vector2(8, 10), 0.5).is_equal_approx(Vector2(5.9076470794008017626, 8.07918879020090480697)), + "Vector2 slerp should work as expected."); + CHECK_MESSAGE( Math::is_equal_approx(vector1.slerp(vector2, 0.5).length(), (real_t)4.31959610746631919), "Vector2 slerp with different length input should return a vector with an interpolated length."); CHECK_MESSAGE( @@ -171,6 +182,15 @@ TEST_CASE("[Vector2] Normalization methods") { CHECK_MESSAGE( Vector2(1, 1).normalized().is_equal_approx(Vector2(Math_SQRT12, Math_SQRT12)), "Vector2 normalized should work as expected."); + + Vector2 vector = Vector2(3.2, -5.4); + vector.normalize(); + CHECK_MESSAGE( + vector == Vector2(3.2, -5.4).normalized(), + "Vector2 normalize should convert same way as Vector2 normalized."); + CHECK_MESSAGE( + vector.is_equal_approx(Vector2(0.509802390301732898898, -0.860291533634174266891)), + "Vector2 normalize should work as expected."); } TEST_CASE("[Vector2] Operators") { @@ -276,12 +296,14 @@ TEST_CASE("[Vector2] Other methods") { CHECK_MESSAGE( Math::is_equal_approx(vector.aspect(), (real_t)1.2 / (real_t)3.4), "Vector2 aspect should work as expected."); + CHECK_MESSAGE( vector.direction_to(Vector2()).is_equal_approx(-vector.normalized()), "Vector2 direction_to should work as expected."); CHECK_MESSAGE( Vector2(1, 1).direction_to(Vector2(2, 2)).is_equal_approx(Vector2(Math_SQRT12, Math_SQRT12)), "Vector2 direction_to should work as expected."); + CHECK_MESSAGE( vector.posmod(2).is_equal_approx(Vector2(1.2, 1.4)), "Vector2 posmod should work as expected."); @@ -294,10 +316,21 @@ TEST_CASE("[Vector2] Other methods") { CHECK_MESSAGE( (-vector).posmodv(Vector2(2, 3)).is_equal_approx(Vector2(0.8, 2.6)), "Vector2 posmodv should work as expected."); + + CHECK_MESSAGE( + vector.rotated(Math_TAU).is_equal_approx(Vector2(1.2, 3.4)), + "Vector2 rotated should work as expected."); CHECK_MESSAGE( vector.rotated(Math_TAU / 4).is_equal_approx(Vector2(-3.4, 1.2)), "Vector2 rotated should work as expected."); CHECK_MESSAGE( + vector.rotated(Math_TAU / 3).is_equal_approx(Vector2(-3.544486372867091398996, -0.660769515458673623883)), + "Vector2 rotated should work as expected."); + CHECK_MESSAGE( + vector.rotated(Math_TAU / 2).is_equal_approx(vector.rotated(Math_TAU / -2)), + "Vector2 rotated should work as expected."); + + CHECK_MESSAGE( vector.snapped(Vector2(1, 1)) == Vector2(1, 3), "Vector2 snapped to integers should be the same as rounding."); CHECK_MESSAGE( @@ -306,23 +339,57 @@ TEST_CASE("[Vector2] Other methods") { CHECK_MESSAGE( vector.snapped(Vector2(0.25, 0.25)) == Vector2(1.25, 3.5), "Vector2 snapped to 0.25 should give exact results."); + + CHECK_MESSAGE( + Vector2(1.2, 2.5).is_equal_approx(vector.min(Vector2(3.0, 2.5))), + "Vector2 min should return expected value."); + + CHECK_MESSAGE( + Vector2(5.3, 3.4).is_equal_approx(vector.max(Vector2(5.3, 2.0))), + "Vector2 max should return expected value."); } TEST_CASE("[Vector2] Plane methods") { const Vector2 vector = Vector2(1.2, 3.4); const Vector2 vector_y = Vector2(0, 1); + const Vector2 vector_normal = Vector2(0.95879811270838721622267, 0.2840883296913739899919); + const Vector2 vector_non_normal = Vector2(5.4, 1.6); CHECK_MESSAGE( vector.bounce(vector_y) == Vector2(1.2, -3.4), "Vector2 bounce on a plane with normal of the Y axis should."); CHECK_MESSAGE( + vector.bounce(vector_normal).is_equal_approx(Vector2(-2.85851197982345523329, 2.197477931904161412358)), + "Vector2 bounce with normal should return expected value."); + CHECK_MESSAGE( vector.reflect(vector_y) == Vector2(-1.2, 3.4), "Vector2 reflect on a plane with normal of the Y axis should."); CHECK_MESSAGE( + vector.reflect(vector_normal).is_equal_approx(Vector2(2.85851197982345523329, -2.197477931904161412358)), + "Vector2 reflect with normal should return expected value."); + CHECK_MESSAGE( vector.project(vector_y) == Vector2(0, 3.4), - "Vector2 projected on the X axis should only give the Y component."); + "Vector2 projected on the Y axis should only give the Y component."); + CHECK_MESSAGE( + vector.project(vector_normal).is_equal_approx(Vector2(2.0292559899117276166, 0.60126103404791929382)), + "Vector2 projected on a normal should return expected value."); CHECK_MESSAGE( vector.slide(vector_y) == Vector2(1.2, 0), "Vector2 slide on a plane with normal of the Y axis should set the Y to zero."); + CHECK_MESSAGE( + vector.slide(vector_normal).is_equal_approx(Vector2(-0.8292559899117276166456, 2.798738965952080706179)), + "Vector2 slide with normal should return expected value."); + // There's probably a better way to test these ones? + ERR_PRINT_OFF; + CHECK_MESSAGE( + vector.bounce(vector_non_normal).is_equal_approx(Vector2()), + "Vector2 bounce should return empty Vector2 with non-normalised input."); + CHECK_MESSAGE( + vector.reflect(vector_non_normal).is_equal_approx(Vector2()), + "Vector2 reflect should return empty Vector2 with non-normalised input."); + CHECK_MESSAGE( + vector.slide(vector_non_normal).is_equal_approx(Vector2()), + "Vector2 slide should return empty Vector2 with non-normalised input."); + ERR_PRINT_ON; } TEST_CASE("[Vector2] Rounding methods") { @@ -367,12 +434,20 @@ TEST_CASE("[Vector2] Rounding methods") { TEST_CASE("[Vector2] Linear algebra methods") { const Vector2 vector_x = Vector2(1, 0); const Vector2 vector_y = Vector2(0, 1); + const Vector2 a = Vector2(3.5, 8.5); + const Vector2 b = Vector2(5.2, 4.6); CHECK_MESSAGE( vector_x.cross(vector_y) == 1, "Vector2 cross product of X and Y should give 1."); CHECK_MESSAGE( vector_y.cross(vector_x) == -1, "Vector2 cross product of Y and X should give negative 1."); + CHECK_MESSAGE( + Math::is_equal_approx(a.cross(b), (real_t)-28.1), + "Vector2 cross should return expected value."); + CHECK_MESSAGE( + Math::is_equal_approx(Vector2(-a.x, a.y).cross(Vector2(b.x, -b.y)), (real_t)-28.1), + "Vector2 cross should return expected value."); CHECK_MESSAGE( vector_x.dot(vector_y) == 0.0, @@ -383,6 +458,12 @@ TEST_CASE("[Vector2] Linear algebra methods") { CHECK_MESSAGE( (vector_x * 10).dot(vector_x * 10) == 100.0, "Vector2 dot product of same direction vectors should behave as expected."); + CHECK_MESSAGE( + Math::is_equal_approx(a.dot(b), (real_t)57.3), + "Vector2 dot should return expected value."); + CHECK_MESSAGE( + Math::is_equal_approx(Vector2(-a.x, a.y).dot(Vector2(b.x, -b.y)), (real_t)-57.3), + "Vector2 dot should return expected value."); } } // namespace TestVector2 |