Add CVector2d/4d

This commit is contained in:
Phillip Stephens 2022-02-20 18:41:54 -08:00
parent ec125acf29
commit e53b380f42
Signed by: Antidote
GPG Key ID: F8BEE4C83DACA60D
4 changed files with 431 additions and 1 deletions

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@ -37,9 +37,11 @@ add_library(zeus
include/zeus/zeus.hpp include/zeus/zeus.hpp
include/zeus/CVector2i.hpp include/zeus/CVector2i.hpp
include/zeus/CVector2f.hpp include/zeus/CVector2f.hpp
include/zeus/CVector2d.hpp
include/zeus/CVector3f.hpp include/zeus/CVector3f.hpp
include/zeus/CVector3d.hpp include/zeus/CVector3d.hpp
include/zeus/CVector4f.hpp include/zeus/CVector4f.hpp
include/zeus/CVector4d.hpp
include/zeus/CRectangle.hpp include/zeus/CRectangle.hpp
include/zeus/CMatrix4f.hpp include/zeus/CMatrix4f.hpp
include/zeus/CFrustum.hpp include/zeus/CFrustum.hpp

218
include/zeus/CVector2d.hpp Normal file
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@ -0,0 +1,218 @@
#pragma once
#include <cassert>
#include "zeus/Global.hpp"
#include "zeus/Math.hpp"
#if ZE_ATHENA_TYPES
#include <athena/IStreamReader.hpp>
#endif
namespace zeus {
class CVector2d {
public:
simd<double> mSimd;
constexpr CVector2d() : mSimd() {}
template <typename T>
constexpr CVector2d(const simd<T>& s) : mSimd(s) {}
#if ZE_ATHENA_TYPES
constexpr CVector2d(const atVec2f& vec) : mSimd(vec.simd) {}
operator atVec2f&() { return *reinterpret_cast<atVec2f*>(this); }
operator const atVec2f&() const { return *reinterpret_cast<const atVec2f*>(this); }
void readBig(athena::io::IStreamReader& input) {
mSimd[0] = input.readDoubleBig();
mSimd[1] = input.readDoubleBig();
mSimd[2] = 0.0;
mSimd[3] = 0.0;
}
[[nodiscard]] static CVector2d ReadBig(athena::io::IStreamReader& input) {
CVector2d ret;
ret.readBig(input);
return ret;
}
#endif
explicit constexpr CVector2d(double xy) : mSimd(xy) {}
constexpr void assign(double x, double y) {
mSimd.set(x, y);
}
constexpr CVector2d(double x, double y) : mSimd(x, y, 0.f, 0.f) {}
[[nodiscard]] bool operator==(const CVector2d& rhs) const {
return mSimd[0] == rhs.mSimd[0] && mSimd[1] == rhs.mSimd[1];
}
[[nodiscard]] bool operator!=(const CVector2d& rhs) const {
return mSimd[0] != rhs.mSimd[0] || mSimd[1] != rhs.mSimd[1];
}
[[nodiscard]] bool operator<(const CVector2d& rhs) const {
return mSimd[0] < rhs.mSimd[0] && mSimd[1] < rhs.mSimd[1];
}
[[nodiscard]] bool operator<=(const CVector2d& rhs) const {
return mSimd[0] <= rhs.mSimd[0] && mSimd[1] <= rhs.mSimd[1];
}
[[nodiscard]] bool operator>(const CVector2d& rhs) const {
return mSimd[0] > rhs.mSimd[0] && mSimd[1] > rhs.mSimd[1];
}
[[nodiscard]] bool operator>=(const CVector2d& rhs) const {
return mSimd[0] >= rhs.mSimd[0] && mSimd[1] >= rhs.mSimd[1];
}
[[nodiscard]] CVector2d operator+(const CVector2d& rhs) const { return mSimd + rhs.mSimd; }
[[nodiscard]] CVector2d operator-(const CVector2d& rhs) const { return mSimd - rhs.mSimd; }
[[nodiscard]] CVector2d operator-() const { return -mSimd; }
[[nodiscard]] CVector2d operator*(const CVector2d& rhs) const { return mSimd * rhs.mSimd; }
[[nodiscard]] CVector2d operator/(const CVector2d& rhs) const { return mSimd / rhs.mSimd; }
[[nodiscard]] CVector2d operator+(double val) const { return mSimd + simd<double>(val); }
[[nodiscard]] CVector2d operator-(double val) const { return mSimd - simd<double>(val); }
[[nodiscard]] CVector2d operator*(double val) const { return mSimd * simd<double>(val); }
[[nodiscard]] CVector2d operator/(double val) const {
double ooval = 1.0 / val;
return mSimd * simd<double>(ooval);
}
const CVector2d& operator+=(const CVector2d& rhs) {
mSimd += rhs.mSimd;
return *this;
}
const CVector2d& operator-=(const CVector2d& rhs) {
mSimd -= rhs.mSimd;
return *this;
}
const CVector2d& operator*=(const CVector2d& rhs) {
mSimd *= rhs.mSimd;
return *this;
}
const CVector2d& operator/=(const CVector2d& rhs) {
mSimd /= rhs.mSimd;
return *this;
}
const CVector2d& operator+=(double rhs) {
mSimd += simd<double>(rhs);
return *this;
}
const CVector2d& operator-=(double rhs) {
mSimd -= simd<double>(rhs);
return *this;
}
const CVector2d& operator*=(double rhs) {
mSimd *= simd<double>(rhs);
return *this;
}
const CVector2d& operator/=(double rhs) {
double oorhs = 1.0 / rhs;
mSimd *= simd<double>(oorhs);
return *this;
}
void normalize() {
double mag = magnitude();
mag = 1.f / mag;
*this *= CVector2d(mag);
}
[[nodiscard]] CVector2d normalized() const {
double mag = magnitude();
mag = 1.f / mag;
return *this * mag;
}
[[nodiscard]] constexpr CVector2d perpendicularVector() const { return {-y(), x()}; }
[[nodiscard]] constexpr double cross(const CVector2d& rhs) const { return (x() * rhs.y()) - (y() * rhs.x()); }
[[nodiscard]] constexpr double dot(const CVector2d& rhs) const { return mSimd.dot2(rhs.mSimd); }
[[nodiscard]] constexpr double magSquared() const { return mSimd.dot2(mSimd); }
[[nodiscard]] double magnitude() const { return std::sqrt(magSquared()); }
constexpr void zeroOut() { mSimd = 0.f; }
constexpr void splat(double xy) { mSimd = xy; }
[[nodiscard]] static double getAngleDiff(const CVector2d& a, const CVector2d& b);
[[nodiscard]] static CVector2d lerp(const CVector2d& a, const CVector2d& b, double t) {
return zeus::simd<double>(1.f - t) * a.mSimd + b.mSimd * zeus::simd<double>(t);
}
[[nodiscard]] static CVector2d nlerp(const CVector2d& a, const CVector2d& b, double t) {
return lerp(a, b, t).normalized();
}
[[nodiscard]] static CVector2d slerp(const CVector2d& a, const CVector2d& b, double t);
[[nodiscard]] bool isNormalized() const { return std::fabs(1.0 - magSquared()) < 0.01; }
[[nodiscard]] bool canBeNormalized() const {
if (std::isinf(x()) || std::isinf(y()))
return false;
return std::fabs(x()) >= DBL_EPSILON || std::fabs(y()) >= DBL_EPSILON;
}
[[nodiscard]] bool isZero() const { return mSimd[0] == 0.f && mSimd[1] == 0.f; }
[[nodiscard]] bool isEqu(const CVector2d& other, double epsilon = FLT_EPSILON) const {
const CVector2d diffVec = other - *this;
return (diffVec.x() <= epsilon && diffVec.y() <= epsilon);
}
[[nodiscard]] simd<double>::reference operator[](size_t idx) {
assert(idx < 2);
return mSimd[idx];
}
[[nodiscard]] constexpr double operator[](size_t idx) const {
assert(idx < 2);
return mSimd[idx];
}
[[nodiscard]] constexpr double x() const { return mSimd[0]; }
[[nodiscard]] constexpr double y() const { return mSimd[1]; }
[[nodiscard]] simd<double>::reference x() { return mSimd[0]; }
[[nodiscard]] simd<double>::reference y() { return mSimd[1]; }
};
constexpr inline CVector2d skOne2d(1.0);
constexpr inline CVector2d skNegOne2d(-1.0);
constexpr inline CVector2d skZero2d(0.0);
[[nodiscard]] inline CVector2d operator+(double lhs, const CVector2d& rhs) { return zeus::simd<double>(lhs) + rhs.mSimd; }
[[nodiscard]] inline CVector2d operator-(double lhs, const CVector2d& rhs) { return zeus::simd<double>(lhs) - rhs.mSimd; }
[[nodiscard]] inline CVector2d operator*(double lhs, const CVector2d& rhs) { return zeus::simd<double>(lhs) * rhs.mSimd; }
[[nodiscard]] inline CVector2d operator/(double lhs, const CVector2d& rhs) { return zeus::simd<double>(lhs) / rhs.mSimd; }
} // namespace zeus

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include/zeus/CVector4d.hpp Normal file
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#pragma once
#include <cassert>
#include <cfloat>
#include <cmath>
#include "zeus/CVector3f.hpp"
#include "zeus/Global.hpp"
#if ZE_ATHENA_TYPES
#include <athena/IStreamReader.hpp>
#endif
namespace zeus {
class CColor;
class CVector4d {
public:
zeus::simd<double> mSimd;
constexpr CVector4d() : mSimd() {}
template <typename T>
constexpr CVector4d(const simd<T>& s) : mSimd(s) {}
#if ZE_ATHENA_TYPES
constexpr CVector4d(const atVec4f& vec) : mSimd(vec.simd) {}
operator atVec4f&() { return *reinterpret_cast<atVec4f*>(this); }
operator const atVec4f&() const { return *reinterpret_cast<const atVec4f*>(this); }
void readBig(athena::io::IStreamReader& input) {
simd_doubles f;
f[0] = input.readDoubleBig();
f[1] = input.readDoubleBig();
f[2] = input.readDoubleBig();
f[3] = input.readDoubleBig();
mSimd.copy_from(f);
}
#endif
explicit constexpr CVector4d(double xyzw) : mSimd(xyzw) {}
void assign(double x, double y, double z, double w) { mSimd = simd<double>(x, y, z, w); }
constexpr CVector4d(double x, double y, double z, double w) : mSimd(x, y, z, w) {}
constexpr CVector4d(const CColor& other);
CVector4d(const CVector3f& other, double wIn = 1.0) : mSimd(other.mSimd) { mSimd[3] = wIn; }
[[nodiscard]] static CVector4d ToClip(const zeus::CVector3f& v, double w) { return CVector4d(v * w, w); }
[[nodiscard]] CVector3f toVec3f() const { return CVector3f(mSimd); }
constexpr CVector4d& operator=(const CColor& other);
[[nodiscard]] bool operator==(const CVector4d& rhs) const {
auto eq_mask = mSimd == rhs.mSimd;
return eq_mask[0] && eq_mask[1] && eq_mask[2] && eq_mask[3];
}
[[nodiscard]] bool operator!=(const CVector4d& rhs) const {
auto eq_mask = mSimd != rhs.mSimd;
return eq_mask[0] || eq_mask[1] || eq_mask[2] || eq_mask[3];
}
[[nodiscard]] bool operator<(const CVector4d& rhs) const {
auto eq_mask = mSimd < rhs.mSimd;
return eq_mask[0] && eq_mask[1] && eq_mask[2] && eq_mask[3];
}
[[nodiscard]] bool operator<=(const CVector4d& rhs) const {
auto eq_mask = mSimd <= rhs.mSimd;
return eq_mask[0] && eq_mask[1] && eq_mask[2] && eq_mask[3];
}
[[nodiscard]] bool operator>(const CVector4d& rhs) const {
auto eq_mask = mSimd > rhs.mSimd;
return eq_mask[0] && eq_mask[1] && eq_mask[2] && eq_mask[3];
}
[[nodiscard]] bool operator>=(const CVector4d& rhs) const {
auto eq_mask = mSimd >= rhs.mSimd;
return eq_mask[0] && eq_mask[1] && eq_mask[2] && eq_mask[3];
}
[[nodiscard]] CVector4d operator+(const CVector4d& rhs) const { return mSimd + rhs.mSimd; }
[[nodiscard]] CVector4d operator-(const CVector4d& rhs) const { return mSimd - rhs.mSimd; }
[[nodiscard]] CVector4d operator-() const { return -mSimd; }
[[nodiscard]] CVector4d operator*(const CVector4d& rhs) const { return mSimd * rhs.mSimd; }
[[nodiscard]] CVector4d operator/(const CVector4d& rhs) const { return mSimd / rhs.mSimd; }
[[nodiscard]] CVector4d operator+(double val) const { return mSimd + zeus::simd<double>(val); }
[[nodiscard]] CVector4d operator-(double val) const { return mSimd - zeus::simd<double>(val); }
[[nodiscard]] CVector4d operator*(double val) const { return mSimd * zeus::simd<double>(val); }
[[nodiscard]] CVector4d operator/(double val) const {
double ooval = 1.0 / val;
return mSimd * zeus::simd<double>(ooval);
}
const CVector4d& operator+=(const CVector4d& rhs) {
mSimd += rhs.mSimd;
return *this;
}
const CVector4d& operator-=(const CVector4d& rhs) {
mSimd -= rhs.mSimd;
return *this;
}
const CVector4d& operator*=(const CVector4d& rhs) {
mSimd *= rhs.mSimd;
return *this;
}
const CVector4d& operator/=(const CVector4d& rhs) {
mSimd /= rhs.mSimd;
return *this;
}
void normalize() {
double mag = magnitude();
mag = 1.0 / mag;
*this *= CVector4d(mag);
}
[[nodiscard]] CVector4d normalized() const {
double mag = magnitude();
mag = 1.0 / mag;
return *this * mag;
}
[[nodiscard]] double dot(const CVector4d& rhs) const { return mSimd.dot4(rhs.mSimd); }
[[nodiscard]] double magSquared() const { return mSimd.dot4(mSimd); }
[[nodiscard]] double magnitude() const { return std::sqrt(magSquared()); }
void zeroOut() { mSimd = zeus::simd<double>(0.0); }
void splat(double xyzw) { mSimd = zeus::simd<double>(xyzw); }
[[nodiscard]] static CVector4d lerp(const CVector4d& a, const CVector4d& b, double t) {
return zeus::simd<double>(1.0 - t) * a.mSimd + b.mSimd * zeus::simd<double>(t);
}
[[nodiscard]] static CVector4d nlerp(const CVector4d& a, const CVector4d& b, double t) {
return lerp(a, b, t).normalized();
}
[[nodiscard]] bool isNormalized() const { return std::fabs(1.0 - magSquared()) < 0.01f; }
[[nodiscard]] bool canBeNormalized() const {
if (std::isinf(x()) || std::isinf(y()) || std::isinf(z()) || std::isinf(w()))
return false;
return std::fabs(x()) >= FLT_EPSILON || std::fabs(y()) >= FLT_EPSILON || std::fabs(z()) >= FLT_EPSILON ||
std::fabs(w()) >= FLT_EPSILON;
}
[[nodiscard]] bool isEqu(const CVector4d& other, double epsilon = FLT_EPSILON) const {
const CVector4d diffVec = other - *this;
return (diffVec.x() <= epsilon && diffVec.y() <= epsilon && diffVec.z() <= epsilon && diffVec.w() <= epsilon);
}
[[nodiscard]] simd<double>::reference operator[](size_t idx) {
assert(idx < 4);
return mSimd[idx];
}
[[nodiscard]] double operator[](size_t idx) const {
assert(idx < 4);
return mSimd[idx];
}
[[nodiscard]] double x() const { return mSimd[0]; }
[[nodiscard]] double y() const { return mSimd[1]; }
[[nodiscard]] double z() const { return mSimd[2]; }
[[nodiscard]] double w() const { return mSimd[3]; }
[[nodiscard]] simd<double>::reference x() { return mSimd[0]; }
[[nodiscard]] simd<double>::reference y() { return mSimd[1]; }
[[nodiscard]] simd<double>::reference z() { return mSimd[2]; }
[[nodiscard]] simd<double>::reference w() { return mSimd[3]; }
};
constexpr CVector4d skOne4d(1.0);
constexpr CVector4d skNegOne4d(-1.0);
constexpr CVector4d skZero4d(0.0);
[[nodiscard]] inline CVector4d operator+(double lhs, const CVector4d& rhs) { return zeus::simd<double>(lhs) + rhs.mSimd; }
[[nodiscard]] inline CVector4d operator-(double lhs, const CVector4d& rhs) { return zeus::simd<double>(lhs) - rhs.mSimd; }
[[nodiscard]] inline CVector4d operator*(double lhs, const CVector4d& rhs) { return zeus::simd<double>(lhs) * rhs.mSimd; }
[[nodiscard]] inline CVector4d operator/(double lhs, const CVector4d& rhs) { return zeus::simd<double>(lhs) / rhs.mSimd; }
} // namespace zeus

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@ -18,8 +18,10 @@
#include "zeus/CTransform.hpp" #include "zeus/CTransform.hpp"
#include "zeus/CUnitVector.hpp" #include "zeus/CUnitVector.hpp"
#include "zeus/CVector2f.hpp" #include "zeus/CVector2f.hpp"
#include "zeus/CVector3d.hpp" #include "zeus/CVector2d.hpp"
#include "zeus/CVector3f.hpp" #include "zeus/CVector3f.hpp"
#include "zeus/CVector3d.hpp"
#include "zeus/CVector4f.hpp" #include "zeus/CVector4f.hpp"
#include "zeus/CVector4d.hpp"
#include "zeus/Global.hpp" #include "zeus/Global.hpp"
#include "zeus/Math.hpp" #include "zeus/Math.hpp"