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Add SLERP to Vector{2,3}, optimize Quat's Vector3 rotation.

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Also even out Basis and Quat APIs a little.
This commit is contained in:
tagcup
2018-05-11 20:14:39 -04:00
parent 81b1d3c846
commit ed7aadcd87
11 changed files with 158 additions and 17 deletions
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10
core/math/vector3.h
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@ -91,6 +91,7 @@ struct Vector3 {
/* Static Methods between 2 vector3s */
_FORCE_INLINE_ Vector3 linear_interpolate(const Vector3 &p_b, real_t p_t) const;
_FORCE_INLINE_ Vector3 slerp(const Vector3 &p_b, real_t p_t) const;
Vector3 cubic_interpolate(const Vector3 &p_b, const Vector3 &p_pre_a, const Vector3 &p_post_b, real_t p_t) const;
Vector3 cubic_interpolaten(const Vector3 &p_b, const Vector3 &p_pre_a, const Vector3 &p_post_b, real_t p_t) const;
@ -218,6 +219,15 @@ Vector3 Vector3::linear_interpolate(const Vector3 &p_b, real_t p_t) const {
z + (p_t * (p_b.z - z)));
}
Vector3 Vector3::slerp(const Vector3 &p_b, real_t p_t) const {
#ifdef MATH_CHECKS
ERR_FAIL_COND_V(is_normalized() == false, Vector3());
#endif
real_t theta = angle_to(p_b);
return rotated(cross(p_b), theta * p_t);
}
real_t Vector3::distance_to(const Vector3 &p_b) const {
return (p_b - *this).length();