diff options
Diffstat (limited to 'core/math/math_2d.cpp')
| -rw-r--r-- | core/math/math_2d.cpp | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/core/math/math_2d.cpp b/core/math/math_2d.cpp index 20b916ee3b..962a42acb9 100644 --- a/core/math/math_2d.cpp +++ b/core/math/math_2d.cpp @@ -63,7 +63,8 @@ Vector2 Vector2::normalized() const { } bool Vector2::is_normalized() const { - return Math::isequal_approx(length(), (real_t)1.0); + // use length_squared() instead of length() to avoid sqrt(), makes it more stringent. + return Math::is_equal_approx(length_squared(), 1.0); } real_t Vector2::distance_to(const Vector2 &p_vector2) const { @@ -281,7 +282,7 @@ Vector2 Vector2::cubic_interpolate(const Vector2 &p_b, const Vector2 &p_pre_a, c // slide returns the component of the vector along the given plane, specified by its normal vector. Vector2 Vector2::slide(const Vector2 &p_n) const { -#ifdef DEBUG_ENABLED +#ifdef MATH_CHECKS ERR_FAIL_COND_V(p_n.is_normalized() == false, Vector2()); #endif return *this - p_n * this->dot(p_n); @@ -292,7 +293,7 @@ Vector2 Vector2::bounce(const Vector2 &p_n) const { } Vector2 Vector2::reflect(const Vector2 &p_n) const { -#ifdef DEBUG_ENABLED +#ifdef MATH_CHECKS ERR_FAIL_COND_V(p_n.is_normalized() == false, Vector2()); #endif return 2.0 * p_n * this->dot(p_n) - *this; @@ -439,7 +440,9 @@ Transform2D Transform2D::inverse() const { void Transform2D::affine_invert() { real_t det = basis_determinant(); +#ifdef MATH_CHECKS ERR_FAIL_COND(det == 0); +#endif real_t idet = 1.0 / det; SWAP(elements[0][0], elements[1][1]); |