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Work on quat.
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@ -30,8 +30,10 @@
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#include "quat.h"
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#include "core/math/basis.h"
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#include "core/print_string.h"
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//#include "core/math/basis.h"
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//#include "core/print_string.h"
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/*
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real_t Quat::angle_to(const Quat &p_to) const {
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real_t d = dot(p_to);
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@ -253,3 +255,4 @@ void Quat::set_axis_angle(const Vector3 &axis, const real_t &angle) {
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cos_angle);
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}
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}
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*/
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232
core/math/quat.h
232
core/math/quat.h
@ -34,20 +34,152 @@
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#include "core/math/math_defs.h"
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#include "core/math/math_funcs.h"
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#include "core/math/vector3.h"
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#include "core/ustring.h"
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//#include "core/ustring.h"
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class _NO_DISCARD_CLASS_ Quat {
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public:
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typedef struct _NO_DISCARD_CLASS_ Quat {
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real_t x, y, z, w;
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} Quat;
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extern _FORCE_INLINE_ void quat_set(Quat *self, real_t p_x, real_t p_y, real_t p_z, real_t p_w) {
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self->x = p_x;
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self->y = p_y;
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self->z = p_z;
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self->w = p_z;
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}
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extern _FORCE_INLINE_ Quat quat_create(real_t p_x, real_t p_y, real_t p_z, real_t p_w) {
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Quat q;
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q.x = p_x;
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q.y = p_y;
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q.z = p_z;
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q.w = p_z;
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return q;
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}
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extern _FORCE_INLINE_ Quat quat_createv(const Quat *other) {
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Quat q;
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q.x = other->x;
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q.y = other->y;
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q.z = other->z;
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q.w = other->w;
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return q;
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}
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real_t quat_dot(const Quat *self, const Quat *p_q) {
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return self->x * p_q->x + self->y * p_q->y + self->z * p_q->z + self->w * p_q->w;
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}
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real_t quat_dotc(const Quat self, const Quat p_q) {
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return self.x * p_q.x + self.y * p_q.y + self.z * p_q.z + self.w * p_q.w;
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}
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real_t quat_length_squared(const Quat *self) {
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return quat_dot(self, self);
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}
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real_t quat_length_squaredc(const Quat self) {
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return quat_dotc(self, self);
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}
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extern _FORCE_INLINE_ Quat quat_add(const Quat *self, const Quat *p_q) {
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return quat_create(self->x + p_q->x, self->y + p_q->y, self->z + p_q->z, self->w + p_q->w);
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}
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extern _FORCE_INLINE_ void quat_add_eq(Quat *self, const Quat *p_q) {
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self->x += p_q->x;
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self->y += p_q->y;
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self->z += p_q->z;
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self->w += p_q->w;
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}
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extern _FORCE_INLINE_ Quat quat_subv(const Quat *self, const Quat *p_v) {
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return quat_create(self->x - p_v->x, self->y - p_v->y, self->z - p_v->z, self->w - p_v->w);
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}
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extern _FORCE_INLINE_ Quat quat_subvc(const Quat self, const Quat p_v) {
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return quat_create(self.x - p_v.x, self.y - p_v.y, self.z - p_v.z, self.w - p_v.w);
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}
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extern _FORCE_INLINE_ void quat_sub_eqv(Quat *self, const Quat *p_q) {
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self->x -= p_q->x;
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self->y -= p_q->y;
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self->z -= p_q->z;
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self->w -= p_q->w;
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}
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// Other
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extern _FORCE_INLINE_ Quat quat_neg(const Quat *self) {
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return quat_create(-(self->x), -(self->y), -(self->z), -(self->w));
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}
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extern _FORCE_INLINE_ Quat quat_negc(const Quat self) {
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return quat_create(-(self.x), -(self.y), -(self.z), -(self.w));
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}
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extern _FORCE_INLINE_ Quat quat_mulq(const Quat *self, const Quat *p_v1) {
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return quat_create(self->x * p_v1->x, self->y * p_v1->y, self->z * p_v1->z, self->w * p_v1->w);
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}
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extern _FORCE_INLINE_ Quat quat_mulqc(const Quat self, const Quat p_q) {
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return quat_create(self.x * p_q.x, self.y * p_q.y, self.z * p_q.z, self.w * p_q.w);
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}
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extern _FORCE_INLINE_ void quat_mul_eqq(Quat *self, const Quat *rvalue) {
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self->x *= rvalue->x;
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self->y *= rvalue->y;
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self->z *= rvalue->z;
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self->w *= rvalue->w;
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}
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extern _FORCE_INLINE_ Quat quat_mulv(const Quat *self, const Vector3 *v) {
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return quat_create(self->w * v->x + self->y * v->z - self->z * v->y,
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self->w * v->y + self->z * v->x - self->x * v->z,
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self->w * v->z + self->x * v->y - self->y * v->x,
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-self->x * v->x - self->y * v->y - self->z * v->z);
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}
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extern _FORCE_INLINE_ Quat quat_mulvc(const Quat self, Vector3 v) {
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return quat_create(self.w * v.x + self.y * v.z - self.z * v.y,
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self.w * v.y + self.z * v.x - self.x * v.z,
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self.w * v.z + self.x * v.y - self.y * v.x,
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-self.x * v.x - self.y * v.y - self.z * v.z);
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}
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extern _FORCE_INLINE_ Quat quat_muls(const Quat *self, const real_t rvalue) {
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return quat_create(self->x * rvalue, self->y * rvalue, self->z * rvalue, self->w * rvalue);
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};
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extern _FORCE_INLINE_ Quat quat_mulsc(Quat self, const real_t rvalue) {
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return quat_create(self.x * rvalue, self.y * rvalue, self.z * rvalue, self.w * rvalue);
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};
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extern _FORCE_INLINE_ void quat_mul_eqs(Quat *self, const real_t rvalue) {
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self->x *= rvalue;
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self->y *= rvalue;
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self->z *= rvalue;
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self->w *= rvalue;
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};
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extern _FORCE_INLINE_ Quat quat_divs(const Quat *self, const real_t rvalue) {
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real_t r = 1 / rvalue;
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return quat_create(self->x * r, self->y * r, self->z * r, self->w * r);
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};
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extern _FORCE_INLINE_ Quat quat_divsc(Quat self, const real_t rvalue) {
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real_t r = 1 / rvalue;
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return quat_create(self.x * r, self.y * r, self.z * r, self.w * r);
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};
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extern _FORCE_INLINE_ void quat_div_eqs(Quat *self, const real_t rvalue) {
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real_t r = 1 / rvalue;
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self->x *= r;
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self->y *= r;
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self->z *= r;
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self->w *= r;
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};
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/*
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_FORCE_INLINE_ real_t length_squared() const;
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bool is_equal_approx(const Quat &p_quat) const;
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real_t length() const;
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void normalize();
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Quat normalized() const;
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bool is_normalized() const;
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Quat inverse() const;
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_FORCE_INLINE_ real_t dot(const Quat &p_q) const;
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real_t angle_to(const Quat &p_to) const;
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void set_euler_xyz(const Vector3 &p_euler);
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@ -71,38 +203,17 @@ public:
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r_axis.z = z * r;
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}
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void operator*=(const Quat &p_q);
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Quat operator*(const Quat &p_q) const;
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Quat operator*(const Vector3 &v) const {
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return Quat(w * v.x + y * v.z - z * v.y,
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w * v.y + z * v.x - x * v.z,
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w * v.z + x * v.y - y * v.x,
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-x * v.x - y * v.y - z * v.z);
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}
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_FORCE_INLINE_ Vector3 xform(const Vector3 &v) const {
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#ifdef MATH_CHECKS
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#ifdef MATH_CHECKS
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ERR_FAIL_COND_V_MSG(!is_normalized(), v, "The quaternion must be normalized.");
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#endif
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#endif
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Vector3 u(x, y, z);
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Vector3 uv = u.cross(v);
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return v + ((uv * w) + u.cross(uv)) * ((real_t)2);
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}
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_FORCE_INLINE_ void operator+=(const Quat &p_q);
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_FORCE_INLINE_ void operator-=(const Quat &p_q);
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_FORCE_INLINE_ void operator*=(const real_t &s);
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_FORCE_INLINE_ void operator/=(const real_t &s);
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_FORCE_INLINE_ Quat operator+(const Quat &q2) const;
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_FORCE_INLINE_ Quat operator-(const Quat &q2) const;
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_FORCE_INLINE_ Quat operator-() const;
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_FORCE_INLINE_ Quat operator*(const real_t &s) const;
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_FORCE_INLINE_ Quat operator/(const real_t &s) const;
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_FORCE_INLINE_ bool operator==(const Quat &p_quat) const;
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_FORCE_INLINE_ bool operator!=(const Quat &p_quat) const;
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operator String() const;
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inline void set(real_t p_x, real_t p_y, real_t p_z, real_t p_w) {
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@ -162,70 +273,21 @@ public:
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z(0),
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w(1) {
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}
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};
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//-----
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real_t Quat::dot(const Quat &p_q) const {
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return x * p_q.x + y * p_q.y + z * p_q.z + w * p_q.w;
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}
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real_t Quat::length_squared() const {
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return dot(*this);
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}
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void Quat::operator+=(const Quat &p_q) {
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x += p_q.x;
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y += p_q.y;
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z += p_q.z;
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w += p_q.w;
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}
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void Quat::operator-=(const Quat &p_q) {
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x -= p_q.x;
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y -= p_q.y;
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z -= p_q.z;
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w -= p_q.w;
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}
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_FORCE_INLINE_ bool operator==(const Quat &p_quat) const;
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_FORCE_INLINE_ bool operator!=(const Quat &p_quat) const;
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void Quat::operator*=(const real_t &s) {
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x *= s;
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y *= s;
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z *= s;
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w *= s;
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}
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void Quat::operator/=(const real_t &s) {
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*this *= 1 / s;
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}
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Quat Quat::operator+(const Quat &q2) const {
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const Quat &q1 = *this;
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return Quat(q1.x + q2.x, q1.y + q2.y, q1.z + q2.z, q1.w + q2.w);
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}
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Quat Quat::operator-(const Quat &q2) const {
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const Quat &q1 = *this;
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return Quat(q1.x - q2.x, q1.y - q2.y, q1.z - q2.z, q1.w - q2.w);
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}
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Quat Quat::operator-() const {
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const Quat &q2 = *this;
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return Quat(-q2.x, -q2.y, -q2.z, -q2.w);
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}
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Quat Quat::operator*(const real_t &s) const {
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return Quat(x * s, y * s, z * s, w * s);
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}
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Quat Quat::operator/(const real_t &s) const {
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return *this * (1 / s);
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}
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bool Quat::operator==(const Quat &p_quat) const {
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bool Quat::operator==(const Quat &p_quat) const {
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return x == p_quat.x && y == p_quat.y && z == p_quat.z && w == p_quat.w;
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}
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}
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bool Quat::operator!=(const Quat &p_quat) const {
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bool Quat::operator!=(const Quat &p_quat) const {
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return x != p_quat.x || y != p_quat.y || z != p_quat.z || w != p_quat.w;
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}
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}
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*/
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#endif
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