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Add explanations for errors related to Vector/Quat normalization

This commit is contained in:
Hugo Locurcio 2020-01-24 13:51:25 +01:00
parent 97cc2e53f6
commit a002b93d86
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GPG Key ID: 39E8F8BE30B0A49C
8 changed files with 28 additions and 28 deletions
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2
core/math/basis.cpp
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@ -800,7 +800,7 @@ void Basis::set_quat(const Quat &p_quat) {
void Basis::set_axis_angle(const Vector3 &p_axis, real_t p_phi) {
// Rotation matrix from axis and angle, see https://en.wikipedia.org/wiki/Rotation_matrix#Rotation_matrix_from_axis_angle
#ifdef MATH_CHECKS
ERR_FAIL_COND_MSG(!p_axis.is_normalized(), "Axis must be normalized.");
ERR_FAIL_COND_MSG(!p_axis.is_normalized(), "The axis Vector3 must be normalized.");
#endif
Vector3 axis_sq(p_axis.x * p_axis.x, p_axis.y * p_axis.y, p_axis.z * p_axis.z);
real_t cosine = Math::cos(p_phi);

18
core/math/quat.cpp
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@ -100,7 +100,7 @@ void Quat::set_euler_yxz(const Vector3 &p_euler) {
// This implementation uses YXZ convention (Z is the first rotation).
Vector3 Quat::get_euler_yxz() const {
#ifdef MATH_CHECKS
ERR_FAIL_COND_V(!is_normalized(), Vector3(0, 0, 0));
ERR_FAIL_COND_V_MSG(!is_normalized(), Vector3(0, 0, 0), "The quaternion must be normalized.");
#endif
Basis m(*this);
return m.get_euler_yxz();
@ -145,15 +145,15 @@ bool Quat::is_normalized() const {
Quat Quat::inverse() const {
#ifdef MATH_CHECKS
ERR_FAIL_COND_V(!is_normalized(), Quat());
ERR_FAIL_COND_V_MSG(!is_normalized(), Quat(), "The quaternion must be normalized.");
#endif
return Quat(-x, -y, -z, w);
}
Quat Quat::slerp(const Quat &q, const real_t &t) const {
#ifdef MATH_CHECKS
ERR_FAIL_COND_V(!is_normalized(), Quat());
ERR_FAIL_COND_V(!q.is_normalized(), Quat());
ERR_FAIL_COND_V_MSG(!is_normalized(), Quat(), "The start quaternion must be normalized.");
ERR_FAIL_COND_V_MSG(!q.is_normalized(), Quat(), "The end quaternion must be normalized.");
#endif
Quat to1;
real_t omega, cosom, sinom, scale0, scale1;
@ -199,8 +199,8 @@ Quat Quat::slerp(const Quat &q, const real_t &t) const {
Quat Quat::slerpni(const Quat &q, const real_t &t) const {
#ifdef MATH_CHECKS
ERR_FAIL_COND_V(!is_normalized(), Quat());
ERR_FAIL_COND_V(!q.is_normalized(), Quat());
ERR_FAIL_COND_V_MSG(!is_normalized(), Quat(), "The start quaternion must be normalized.");
ERR_FAIL_COND_V_MSG(!q.is_normalized(), Quat(), "The end quaternion must be normalized.");
#endif
const Quat &from = *this;
@ -221,8 +221,8 @@ Quat Quat::slerpni(const Quat &q, const real_t &t) const {
Quat Quat::cubic_slerp(const Quat &q, const Quat &prep, const Quat &postq, const real_t &t) const {
#ifdef MATH_CHECKS
ERR_FAIL_COND_V(!is_normalized(), Quat());
ERR_FAIL_COND_V(!q.is_normalized(), Quat());
ERR_FAIL_COND_V_MSG(!is_normalized(), Quat(), "The start quaternion must be normalized.");
ERR_FAIL_COND_V_MSG(!q.is_normalized(), Quat(), "The end quaternion must be normalized.");
#endif
//the only way to do slerp :|
real_t t2 = (1.0 - t) * t * 2;
@ -238,7 +238,7 @@ Quat::operator String() const {
void Quat::set_axis_angle(const Vector3 &axis, const real_t &angle) {
#ifdef MATH_CHECKS
ERR_FAIL_COND(!axis.is_normalized());
ERR_FAIL_COND_MSG(!axis.is_normalized(), "The axis Vector3 must be normalized.");
#endif
real_t d = axis.length();
if (d == 0)

2
core/math/quat.h
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@ -84,7 +84,7 @@ public:
_FORCE_INLINE_ Vector3 xform(const Vector3 &v) const {
#ifdef MATH_CHECKS
ERR_FAIL_COND_V(!is_normalized(), v);
ERR_FAIL_COND_V_MSG(!is_normalized(), v, "The quaternion must be normalized.");
#endif
Vector3 u(x, y, z);
Vector3 uv = u.cross(v);

4
core/math/vector2.cpp
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@ -187,7 +187,7 @@ Vector2 Vector2::move_toward(const Vector2 &p_to, const real_t p_delta) const {
// slide returns the component of the vector along the given plane, specified by its normal vector.
Vector2 Vector2::slide(const Vector2 &p_normal) const {
#ifdef MATH_CHECKS
ERR_FAIL_COND_V(!p_normal.is_normalized(), Vector2());
ERR_FAIL_COND_V_MSG(!p_normal.is_normalized(), Vector2(), "The normal Vector2 must be normalized.");
#endif
return *this - p_normal * this->dot(p_normal);
}
@ -198,7 +198,7 @@ Vector2 Vector2::bounce(const Vector2 &p_normal) const {
Vector2 Vector2::reflect(const Vector2 &p_normal) const {
#ifdef MATH_CHECKS
ERR_FAIL_COND_V(!p_normal.is_normalized(), Vector2());
ERR_FAIL_COND_V_MSG(!p_normal.is_normalized(), Vector2(), "The normal Vector2 must be normalized.");
#endif
return 2.0 * p_normal * this->dot(p_normal) - *this;
}

2
core/math/vector2.h
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@ -242,7 +242,7 @@ Vector2 Vector2::linear_interpolate(const Vector2 &p_b, real_t p_t) const {
Vector2 Vector2::slerp(const Vector2 &p_b, real_t p_t) const {
#ifdef MATH_CHECKS
ERR_FAIL_COND_V(!is_normalized(), Vector2());
ERR_FAIL_COND_V_MSG(!is_normalized(), Vector2(), "The start Vector2 must be normalized.");
#endif
real_t theta = angle_to(p_b);
return rotated(theta * p_t);

4
core/math/vector3.h
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@ -454,7 +454,7 @@ void Vector3::zero() {
// slide returns the component of the vector along the given plane, specified by its normal vector.
Vector3 Vector3::slide(const Vector3 &p_normal) const {
#ifdef MATH_CHECKS
ERR_FAIL_COND_V(!p_normal.is_normalized(), Vector3());
ERR_FAIL_COND_V_MSG(!p_normal.is_normalized(), Vector3(), "The normal Vector3 must be normalized.");
#endif
return *this - p_normal * this->dot(p_normal);
}
@ -465,7 +465,7 @@ Vector3 Vector3::bounce(const Vector3 &p_normal) const {
Vector3 Vector3::reflect(const Vector3 &p_normal) const {
#ifdef MATH_CHECKS
ERR_FAIL_COND_V(!p_normal.is_normalized(), Vector3());
ERR_FAIL_COND_V_MSG(!p_normal.is_normalized(), Vector3(), "The normal Vector3 must be normalized.");
#endif
return 2.0 * p_normal * this->dot(p_normal) - *this;
}

12
editor/import/editor_scene_importer_gltf.cpp
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@ -2634,22 +2634,22 @@ template <>
struct EditorSceneImporterGLTFInterpolate<Quat> {
Quat lerp(const Quat &a, const Quat &b, const float c) const {
ERR_FAIL_COND_V(!a.is_normalized(), Quat());
ERR_FAIL_COND_V(!b.is_normalized(), Quat());
ERR_FAIL_COND_V_MSG(!a.is_normalized(), Quat(), "The quaternion \"a\" must be normalized.");
ERR_FAIL_COND_V_MSG(!b.is_normalized(), Quat(), "The quaternion \"b\" must be normalized.");
return a.slerp(b, c).normalized();
}
Quat catmull_rom(const Quat &p0, const Quat &p1, const Quat &p2, const Quat &p3, const float c) {
ERR_FAIL_COND_V(!p1.is_normalized(), Quat());
ERR_FAIL_COND_V(!p2.is_normalized(), Quat());
ERR_FAIL_COND_V_MSG(!p1.is_normalized(), Quat(), "The quaternion \"p1\" must be normalized.");
ERR_FAIL_COND_V_MSG(!p2.is_normalized(), Quat(), "The quaternion \"p2\" must be normalized.");
return p1.slerp(p2, c).normalized();
}
Quat bezier(const Quat start, const Quat control_1, const Quat control_2, const Quat end, const float t) {
ERR_FAIL_COND_V(!start.is_normalized(), Quat());
ERR_FAIL_COND_V(!end.is_normalized(), Quat());
ERR_FAIL_COND_V_MSG(!start.is_normalized(), Quat(), "The start quaternion must be normalized.");
ERR_FAIL_COND_V_MSG(!end.is_normalized(), Quat(), "The end quaternion must be normalized.");
return start.slerp(end, t).normalized();
}

12
modules/assimp/editor_scene_importer_assimp.cpp
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@ -188,22 +188,22 @@ template <>
struct EditorSceneImporterAssetImportInterpolate<Quat> {
Quat lerp(const Quat &a, const Quat &b, float c) const {
ERR_FAIL_COND_V(!a.is_normalized(), Quat());
ERR_FAIL_COND_V(!b.is_normalized(), Quat());
ERR_FAIL_COND_V_MSG(!a.is_normalized(), Quat(), "The quaternion \"a\" must be normalized.");
ERR_FAIL_COND_V_MSG(!b.is_normalized(), Quat(), "The quaternion \"b\" must be normalized.");
return a.slerp(b, c).normalized();
}
Quat catmull_rom(const Quat &p0, const Quat &p1, const Quat &p2, const Quat &p3, float c) {
ERR_FAIL_COND_V(!p1.is_normalized(), Quat());
ERR_FAIL_COND_V(!p2.is_normalized(), Quat());
ERR_FAIL_COND_V_MSG(!p1.is_normalized(), Quat(), "The quaternion \"p1\" must be normalized.");
ERR_FAIL_COND_V_MSG(!p2.is_normalized(), Quat(), "The quaternion \"p2\" must be normalized.");
return p1.slerp(p2, c).normalized();
}
Quat bezier(Quat start, Quat control_1, Quat control_2, Quat end, float t) {
ERR_FAIL_COND_V(!start.is_normalized(), Quat());
ERR_FAIL_COND_V(!end.is_normalized(), Quat());
ERR_FAIL_COND_V_MSG(!start.is_normalized(), Quat(), "The start quaternion must be normalized.");
ERR_FAIL_COND_V_MSG(!end.is_normalized(), Quat(), "The end quaternion must be normalized.");
return start.slerp(end, t).normalized();
}