Gabriele Cosmo
107 lines
2.6 KiB
Plaintext
107 lines
2.6 KiB
Plaintext
// Copyright (C) 2010, Guy Barrand. All rights reserved.
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// See the file tools.license for terms.
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#ifndef tools_vec4f
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#define tools_vec4f
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#include "vec4"
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#include "../S_STRING"
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#include <cmath>
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namespace tools {
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class vec4f : public vec4<float> {
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typedef vec4<float> parent;
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public:
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TOOLS_SCLASS(tools::vec4f) //for stype()
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public:
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vec4f():parent() {}
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vec4f(const float a_vec[4]):parent(a_vec) {}
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#ifdef TOOLS_MEM
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vec4f(const float& a0,const float& a1,const float& a2,const float& a3,bool a_inc = true):parent(a0,a1,a2,a3,a_inc){}
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#else
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vec4f(const float& a0,const float& a1,const float& a2,const float& a3):parent(a0,a1,a2,a3){}
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#endif
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virtual ~vec4f() {}
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public:
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vec4f(const vec4f& a_from):parent(a_from){}
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vec4f& operator=(const vec4f& a_from){
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parent::operator=(a_from);
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return *this;
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}
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public: //operators
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vec4f operator*(float a_v) const {
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return vec4f(m_data[0]*a_v,
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m_data[1]*a_v,
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m_data[2]*a_v,
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m_data[3]*a_v);
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}
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vec4f operator+(const vec4f& a_v) const {
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return vec4f(m_data[0]+a_v.m_data[0],
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m_data[1]+a_v.m_data[1],
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m_data[2]+a_v.m_data[2],
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m_data[3]+a_v.m_data[3]);
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}
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vec4f operator-(const vec4f& a_v) const {
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return vec4f(m_data[0]-a_v.m_data[0],
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m_data[1]-a_v.m_data[1],
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m_data[2]-a_v.m_data[2],
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m_data[3]-a_v.m_data[3]);
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}
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vec4f& operator+=(const vec4f& a_v) {
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m_data[0] += a_v.m_data[0];
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m_data[1] += a_v.m_data[1];
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m_data[2] += a_v.m_data[2];
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m_data[3] += a_v.m_data[3];
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return *this;
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}
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vec4f& operator*=(float a_v) {
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m_data[0] *= a_v;
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m_data[1] *= a_v;
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m_data[2] *= a_v;
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m_data[3] *= a_v;
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return *this;
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}
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vec4f operator-() const {
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return vec4f(-m_data[0],-m_data[1],-m_data[2],-m_data[3]);
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}
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public:
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#define TOOLS_VEC4F_MORE_PREC
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#ifdef TOOLS_VEC4F_MORE_PREC
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float length() const {
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return float(::sqrt(m_data[0]*m_data[0]+m_data[1]*m_data[1]+m_data[2]*m_data[2]+m_data[3]*m_data[3]));
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}
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float normalize() {
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float norme = length();
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if(!norme) return 0;
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divide(norme);
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return norme;
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}
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#else
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float length() const {return parent::length(::sqrtf);}
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float normalize() {return parent::normalize(::sqrtf);}
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#endif
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};
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}
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#include <vector>
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namespace tools {
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#ifndef SWIG
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//for sf, mf :
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inline bool set_from_vec(vec4f& a_v,const std::vector<float>& a_sv) {
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if(a_sv.size()!=4) return false;
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a_v[0] = a_sv[0];
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a_v[1] = a_sv[1];
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a_v[2] = a_sv[2];
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a_v[3] = a_sv[3];
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return true;
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}
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#endif
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}
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#endif
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