mirror of
https://github.com/devZoGok/vb01.git
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76 lines
2.6 KiB
C++
76 lines
2.6 KiB
C++
#ifndef VECTOR_H
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#define VECTOR_H
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#include<cmath>
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namespace vb01{
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struct Vector4{
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Vector4(){};
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Vector4(float x,float y,float z,float w){
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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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this->w=w;
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}
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Vector4 operator-(const Vector4 &v){return Vector4(x-v.x,y-v.y,z-v.z,w-v.w);}
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Vector4 operator+(const Vector4 &v){return Vector4(x+v.x,y+v.y,z+v.z,w+v.w);}
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template<typename T>Vector4 operator+(T s){return Vector4(x+s,y+s,z+s,w+s);}
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template<typename T>Vector4 operator-(T s){return Vector4(x-s,y-s,z-s,w-s);}
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template<typename T>Vector4 operator*(T s){return Vector4(x*s,y*s,z*s,w*s);}
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template<typename T>Vector4 operator/(T s){return Vector4(x/s,y/s,z/s,w/s);}
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float x,y,z,w;
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static const Vector4 VEC_IJKL, VEC_I, VEC_J, VEC_K, VEC_L, VEC_ZERO;
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};
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struct Vector3{
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Vector3(){};
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Vector3(float x,float y,float z){
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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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Vector3 operator-(const Vector3 &v){return Vector3(x-v.x,y-v.y,z-v.z);}
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Vector3 operator+(const Vector3 &v){return Vector3(x+v.x,y+v.y,z+v.z);}
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template<typename T>Vector3 operator+(T s){return Vector3(x+s,y+s,z+s);}
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template<typename T>Vector3 operator-(T s){return Vector3(x-s,y-s,z-s);}
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template<typename T>Vector3 operator*(T s){return Vector3(x*s,y*s,z*s);}
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template<typename T>Vector3 operator/(T s){return Vector3(x/s,y/s,z/s);}
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float getLengthSq(){return x*x+y*y+z*z;}
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float getLength(){return std::sqrt(getLengthSq());}
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float dot(Vector3 v){return x*v.x+y*v.y+z*v.z;}
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float getAngleBetween(Vector3 v){return std::acos(dot(v));}
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float getDistanceFrom(Vector3 v){return (v-*this).getLengthSq();}
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Vector3 norm(){return *this/getLength();}
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Vector3 cross(Vector3 v){return Vector3(y*v.z-v.y*z,x*v.z-v.x*z,x*v.y-v.x*y);}
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float x,y,z;
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static const Vector3 VEC_IJK, VEC_I,VEC_J,VEC_K,VEC_ZERO;
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};
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struct Vector2{
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Vector2(){};
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Vector2(float x,float y){
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this->x=x;
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this->y=y;
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}
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Vector2 operator-(const Vector2 &v){return Vector2(x-v.x,y-v.y);}
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Vector2 operator+(const Vector2 &v){return Vector2(x+v.x,y+v.y);}
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template<typename T>Vector2 operator+(T s){return Vector2(x+s,y+s);}
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template<typename T>Vector2 operator-(T s){return Vector2(x-s,y-s);}
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template<typename T>Vector2 operator*(T s){return Vector2(x*s,y*s);}
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template<typename T>Vector2 operator/(T s){return Vector2(x/s,y/s);}
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float getLengthSq(){return x*x+y*y;}
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float getLength(){return std::sqrt(getLengthSq());}
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float dot(Vector2 v){return x*v.x+y*v.y;}
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float getAngleBetween(Vector2 v){return std::acos(dot(v));}
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Vector2 norm(){return *this/getLength();}
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float x,y;
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static const Vector2 VEC_IJ, VEC_I,VEC_J,VEC_ZERO;
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};
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}
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#endif
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