mirror of
https://github.com/projectPiki/pikmin2.git
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572 lines
12 KiB
C++
572 lines
12 KiB
C++
#ifndef _VECTOR3_H
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#define _VECTOR3_H
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#include "JSystem/JGeometry.h"
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#include "stream.h"
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#include "math.h"
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#include "sysMath.h"
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#include "Vector2.h"
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#include "sqrt.h"
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// TODO: Implement the global namespace Vector3 functions into the class itself
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// TODO: Create a getDirection function (dest - src) -> y=0 -> normalise, either externally or internally
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template <typename T>
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struct Vector3 {
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T x, y, z;
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inline Vector3() {};
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/**
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* @fabricated
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*/
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inline Vector3(T value)
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: x(value)
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, y(value)
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, z(value)
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{
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}
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inline Vector3(T x, T y, T z)
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{
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this->x = x;
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this->y = y;
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this->z = z;
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}
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inline Vector3(JGeometry::TVec3<T> vec) { __memcpy(this, &vec, sizeof(Vector3)); }
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inline Vector3(Vec& vec)
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{
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x = vec.x;
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y = vec.y;
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z = vec.z;
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}
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inline Vector3& operator=(const Vector3& other)
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{
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x = other.x;
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y = other.y;
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z = other.z;
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return *this;
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}
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inline void operator=(Vector3<T>& other)
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{
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x = other.x;
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y = other.y;
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z = other.z;
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}
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inline void operator=(const Vec& other)
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{
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x = other.x;
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y = other.y;
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z = other.z;
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}
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// /**
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// * @fabricated
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// */
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// inline Vector3<T> operator-(const Vector3<T>& other) const {
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// return Vector3<T>(x - other.x, y - other.y, z - other.z);
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// }
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/**
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* @fabricated
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*/
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inline Vector3<T> operator*(const Vector3<T>& other) const { return Vector3<T>(x * other.x, y * other.y, z * other.z); }
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/**
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* @fabricated
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*/
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inline f32 magnitude() { return x * x + y * y + z * z; }
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/**
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* @fabricated
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*/
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// inline JGeometry::TVec3<T> toTVec() const
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// {
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// JGeometry::TVec3<T> vec;
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// vec.x = x;
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// vec.y = y;
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// vec.z = z;
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// return vec;
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// }
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inline void set(const Vector3& vec)
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{
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x = vec.x;
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y = vec.y;
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z = vec.z;
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}
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inline void set(f32 _x, f32 _y, f32 _z)
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{
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x = _x;
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y = _y;
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z = _z;
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}
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/**
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* @fabricated
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*/
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inline void setTVec(JGeometry::TVec3<T>& vec)
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{
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vec.x = x;
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vec.y = y;
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vec.z = z;
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}
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inline void setVec(Vec& vec)
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{
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vec.x = x;
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vec.y = y;
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vec.z = z;
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}
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inline void negate()
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{
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x *= -1.0f;
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y *= -1.0f;
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z *= -1.0f;
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}
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// inline Vector3& operator+(const Vector3 other) {
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// Vector3 newVector = *this;
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// x += other.x;
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// y += other.y;
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// z += other.z;
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// return newVector;
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// }
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// inline Vector3& operator*(const f32 other) {
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// Vector3 newVector = *this;
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// newVector.x *= other;
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// newVector.y *= other;
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// newVector.z *= other;
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// return newVector;
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// }
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// inline void operator*=(const f32 other) { *this = Vector3(x * other, y * other, z * other); }
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inline void operator*=(const f32 other)
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{
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this->x *= other;
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this->y *= other;
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this->z *= other;
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}
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inline void operator+=(const Vector3& other)
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{
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this->x += other.x;
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this->y += other.y;
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this->z += other.z;
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}
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inline void operator-=(const Vector3& other)
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{
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this->x -= other.x;
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this->y -= other.y;
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this->z -= other.z;
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}
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inline void operator/=(const Vector3& other)
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{
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this->x /= other.x;
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this->y /= other.y;
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this->z /= other.z;
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}
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inline void addXZ(const Vector3& other)
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{
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this->x += other.x;
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this->z += other.z;
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}
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inline T dot(const Vector3& other) { return this->x * other.x + this->y * other.y + this->z * other.z; }
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inline void setZero() { this->x = this->y = this->z = 0; }
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// Squared magnitude
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inline f32 sqrMagnitude() const { return x * x + y * y + z * z; }
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// 2D magnitude
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inline f32 sqrMagnitude2D() const { return x * x + z * z; }
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// Quick length
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inline f32 qLength() const { return pikmin2_sqrtf(sqrMagnitude()); }
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inline f32 qLength2D() const { return pikmin2_sqrtf(sqrMagnitude2D()); }
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inline f32 qNormalise()
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{
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f32 length = qLength();
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if (length > 0.0f) {
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f32 len = 1.0f / length;
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x *= len;
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y *= len;
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z *= len;
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return len;
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}
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return 0.0f;
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}
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f32 length() const;
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f32 distance(Vector3&);
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f32 distance2D(Vector3&);
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f32 sqrDistance(Vector3&);
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f32 distance(JGeometry::TVec3f&);
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f32 normalise();
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f32 length2D() const;
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f32 normalise2D();
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void read(Stream&);
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void write(Stream&);
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static Vector3<T> zero;
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};
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// template <> struct Vector3<f32> {
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// static Vector3<f32> zero;
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// };
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// Use instead of Vector3<f32>
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typedef Vector3<f32> Vector3f;
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typedef Vector3<int> Vector3i;
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/**
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* @reifiedAddress{80207BA0}
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* @reifiedFile{plugProjectKandoU/itemUjamushi.cpp}
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*/
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inline Vector3f operator+(const Vector3f& a, const Vector3f& b) { return Vector3f(a.x + b.x, a.y + b.y, a.z + b.z); }
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/**
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* @reifiedAddress{80207E70}
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* @reifiedFile{plugProjectKandoU/itemUjamushi.cpp}
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*/
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inline Vector3f operator-(const Vector3f& a, const Vector3f& b) { return Vector3f(a.x - b.x, a.y - b.y, a.z - b.z); }
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inline Vector3f operator*(const Vector3f& a, const f32 b) { return Vector3f(a.x * b, a.y * b, a.z * b); }
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inline Vector3f operator/(const Vector3f& a, const f32 b) { return Vector3f(a.x / b, a.y / b, a.z / b); }
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inline Vector3f operator*=(const Vector3f& a, const f32 b) { return Vector3f(a.x * b, a.y * b, a.z * b); }
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inline f32 dot(const Vector3f& a, const Vector3f& b) { return a.x * b.x + a.y * b.y + a.z * b.z; }
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inline bool operator==(const Vector3f& a, const Vector3f& b) { return (a.x == b.x && a.y == b.y && a.z == b.z); }
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inline void weightVecXZ(Vector3f& vec, f32 weight)
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{
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Vector3f temp = vec;
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temp.x *= weight;
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temp.z *= weight;
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vec = temp;
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}
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inline void getScaledXZVec(Vector3f& vec, f32 x, f32 z, f32 scale)
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{
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vec.x = x * scale;
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vec.z = z * scale;
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}
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template <>
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inline f32 Vector3f::length() const
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{
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if (sqrMagnitude() > 0.0f) {
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Vector3f vec = Vector3f(x, y, z);
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f32 sqrLen = SQUARE(vec.x) + SQUARE(y) + SQUARE(z);
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return sqrtf(sqrLen);
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} else {
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return 0.0f;
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}
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}
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template <>
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inline f32 Vector3f::length2D() const
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{
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if (sqrMagnitude2D() > 0.0f) {
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Vector3f vec = Vector3f(x, y, z);
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f32 sqrLen = SQUARE(vec.x) + SQUARE(z);
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return sqrtf(sqrLen);
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} else {
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return 0.0f;
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}
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}
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template <>
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inline f32 Vector3f::normalise()
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{
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f32 len = length();
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if (len > 0.0f) {
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f32 norm = 1.0f / len;
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x *= norm;
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y *= norm;
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z *= norm;
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return len;
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}
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return 0.0f;
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}
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template <>
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inline f32 Vector3f::normalise2D()
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{
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f32 len = length2D();
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if (len > 0.0f) {
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x /= len;
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z /= len;
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} else {
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x = z = 0.0f;
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}
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return len;
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}
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inline f32 _lenVec(Vector3f& vec)
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{
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Vector2f sqr(vec.z * vec.z, vec.x * vec.x + vec.y * vec.y);
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return _sqrtf(sqr.x + sqr.y);
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}
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inline f32 stickMagnitude(Vector3f& vec)
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{
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Vector3f a = vec;
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a.z *= a.z;
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return _sqrtf(a.x * a.x + a.y * a.y + a.z);
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}
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inline f32 _length(Vector3f& vec)
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{
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Vector3f a = vec;
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a.y *= a.y;
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a.z *= a.z;
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return _sqrtf(a.y + a.x * a.x + a.z);
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}
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inline f32 _length2(Vector3f& vec)
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{
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Vector3f a = vec;
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a.x *= a.x;
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a.y *= a.y;
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return _sqrtf(a.x + a.z * a.z + a.y);
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}
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inline f32 _lengthXZ(Vector3f& vec)
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{
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Vector3f a = vec;
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return _sqrtf(a.x * a.x + a.z * a.z);
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}
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inline f32 _distanceBetween(Vector3f& me, Vector3f& them)
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{
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Vector3f sep = me - them;
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return _length(sep);
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}
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inline f32 _normalise2(Vector3f& diff)
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{
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f32 dist = _length(diff);
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if (dist > 0.0f) {
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f32 norm = 1.0f / dist;
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diff = diff * norm;
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return dist;
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}
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return 0.0f;
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}
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inline void _normalise(Vector3f& vec)
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{
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Vector2f sqr(vec.z * vec.z, vec.x * vec.x + vec.y * vec.y);
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f32 length = sqr.x + sqr.y;
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__sqrtf(length, &length);
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if (length > 0.0f) {
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f32 norm = 1.0f / length;
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vec.x *= norm;
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vec.y *= norm;
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vec.z *= norm;
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}
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}
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inline void _normaliseScale(Vector3f& vec, f32 scale)
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{
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Vector2f sqr(vec.z * vec.z, vec.x * vec.x + vec.y * vec.y);
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f32 length = sqr.x + sqr.y;
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__sqrtf(length, &length);
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if (length > 0.0f) {
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f32 norm = 1.0f / length;
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vec *= norm;
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}
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vec *= scale;
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}
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inline f32 _normaliseXZ(Vector3f& vec)
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{
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Vector2f sqr(vec.z * vec.z, vec.x * vec.x + vec.y * vec.y);
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f32 length = sqr.x + sqr.y;
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__sqrtf(length, &length);
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if (length > 0.0f) {
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f32 norm = 1.0f / length;
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vec.x *= norm;
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vec.z *= norm;
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}
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return length;
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}
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inline f32 _normaliseVec(Vector3f& vec)
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{
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Vector2f sqr(vec.z * vec.z, vec.x * vec.x + vec.y * vec.y);
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f32 length = sqr.x + sqr.y;
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__sqrtf(length, &length);
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if (length > 0.0f) {
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f32 norm = 1.0f / length;
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vec = vec * norm;
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return length;
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}
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return 0.0f;
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}
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inline f32 sqrDistanceXZ(Vector3f& vec1, Vector3f& vec2)
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{
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f32 x = vec1.x - vec2.x;
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f32 z = vec1.z - vec2.z;
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return x * x + z * z;
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}
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inline bool inRadius(f32 r, Vector3f& vec1, Vector3f& vec2) { return sqrDistanceXZ(vec1, vec2) < r * r; }
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inline bool outsideRadius(f32 r, Vector3f& vec1, Vector3f& vec2) { return sqrDistanceXZ(vec1, vec2) > r * r; }
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inline f32 _distanceXZ(Vector3f& vec1, Vector3f& vec2)
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{
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Vector2f vec;
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vec.x = vec1.x - vec2.x;
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vec.y = vec1.z - vec2.z;
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return _sqrtf(vec.x * vec.x + vec.y * vec.y);
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}
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inline f32 _distanceXZflag(Vector3f& vec1, Vector3f& vec2)
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{
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Vector2f vec;
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vec.x = vec1.x - vec2.x;
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vec.y = vec1.z - vec2.z;
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vec.y *= vec.y;
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return _sqrtf(vec.y + vec.x * vec.x);
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}
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inline void sumXY(Vector3f vec, f32* sum) { *sum = (vec.x *= vec.x) + (vec.y *= vec.y); }
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inline void sumZ(Vector3f vec, f32* sum)
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{
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f32 z = vec.z * vec.z;
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*sum = z + *sum;
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}
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template <>
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inline f32 Vector3f::distance(Vector3f& them)
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{
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f32 diffX = this->x - them.x;
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f32 diffY = this->y - them.y;
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f32 diffZ = this->z - them.z;
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return Vector3f(diffX, diffY, diffZ).length();
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}
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template <>
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inline f32 Vector3f::distance2D(Vector3f& them)
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{
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f32 diffX = this->x - them.x;
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f32 diffY = this->y - them.y;
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f32 diffZ = this->z - them.z;
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return Vector3f(diffX, diffY, diffZ).length2D();
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}
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template <>
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inline f32 Vector3f::sqrDistance(Vector3f& them)
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{
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f32 diffX = this->x - them.x;
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f32 diffY = this->y - them.y;
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f32 diffZ = this->z - them.z;
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return diffX * diffX + diffY * diffY + diffZ * diffZ;
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}
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// this is wacky and shows up in efxEnemy.cpp
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template <>
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inline f32 Vector3f::distance(JGeometry::TVec3f& them)
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{
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f32 diffX = them.x - this->x;
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f32 diffY = them.y - this->y;
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f32 diffZ = them.z - this->z;
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f32 X = diffX * diffX;
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f32 Y = diffY * diffY;
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f32 Z = diffZ * diffZ;
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f32 mag = X + Y + Z;
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if (mag <= 0.0f) {
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return mag;
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}
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f32 root = __frsqrte(mag);
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f32 v1 = root * root;
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f32 v2 = 0.5f * root;
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f32 v3 = v2 * (3.0f - mag * v1);
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return mag * v3;
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}
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inline f32 _normaliseDistance(Vector3f& vec1, Vector3f& vec2)
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{
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Vector3f vec = vec1 - vec2;
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Vector2f sqr(vec.z * vec.z, vec.x * vec.x + vec.y * vec.y);
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f32 length = sqr.x + sqr.y;
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__sqrtf(length, &length);
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if (length > 0.0f) {
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f32 norm = 1.0f / length;
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vec = vec * norm;
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return length;
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}
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return 0.0f;
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}
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inline void setAccel(Vector3f& outputVec, const Vector3f& inputVec, f32 massRatio, f32 fps, f32 groundFactor, f32 airFactor)
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{
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outputVec.x = inputVec.x * (groundFactor * fps * massRatio);
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outputVec.z = inputVec.z * (groundFactor * fps * massRatio);
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outputVec.y = inputVec.y * (airFactor * fps * massRatio);
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}
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inline void setOpAccel(Vector3f& outputVec, const Vector3f& inputVec, f32 massRatio, f32 fps, f32 groundFactor, f32 airFactor)
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{
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outputVec.x = -inputVec.x * (groundFactor * fps * massRatio);
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outputVec.z = -inputVec.z * (groundFactor * fps * massRatio);
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outputVec.y = -inputVec.y * (airFactor * fps * massRatio);
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}
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inline void addAccel(Vector3f& outputVec, const Vector3f& inputVec, f32 massRatio, f32 fps, f32 groundFactor, f32 airFactor)
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{
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outputVec.x += inputVec.x * (groundFactor * fps * massRatio);
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outputVec.z += inputVec.z * (groundFactor * fps * massRatio);
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outputVec.y += inputVec.y * (airFactor * fps * massRatio);
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}
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inline Vector3f cross(Vector3f& vec1, Vector3f& vec2)
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{
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Vector3f outVec;
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outVec.x = vec1.y * vec2.z - vec1.z * vec2.y;
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outVec.y = vec1.z * vec2.x - vec1.x * vec2.z;
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outVec.z = vec1.x * vec2.y - vec1.y * vec2.x;
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return outVec;
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}
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inline f32 sqrDistance(Vector3f& vec1, Vector3f& vec2)
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{
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f32 x = vec1.x - vec2.x;
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f32 y = vec1.y - vec2.y;
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f32 z = vec1.z - vec2.z;
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return x * x + y * y + z * z;
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}
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#endif
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// I saw this constant being used a lot, if you have a better name please replace it
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#define FLOAT_DIST_MAX 128000.0
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#define FLOAT_DIST_MIN -128000.0
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