Gabriele Cosmo
113 lines
2.5 KiB
Plaintext
113 lines
2.5 KiB
Plaintext
// Copyright (C) 2010, Guy Barrand. All rights reserved.
|
|
// See the file tools.license for terms.
|
|
|
|
#ifndef tools_vec2f
|
|
#define tools_vec2f
|
|
|
|
#include "vec2"
|
|
#include "../S_STRING"
|
|
#include <cmath>
|
|
|
|
namespace tools {
|
|
|
|
class vec2f : public vec2<float> {
|
|
typedef vec2<float> parent;
|
|
public:
|
|
TOOLS_SCLASS(tools::vec2f) //for stype()
|
|
public:
|
|
vec2f():parent(){}
|
|
vec2f(const float a_vec[2]):parent(a_vec){}
|
|
vec2f(float a0,float a1):parent(a0,a1){}
|
|
virtual ~vec2f() {}
|
|
public:
|
|
vec2f(const vec2f& a_from): parent(a_from){}
|
|
vec2f& operator=(const vec2f& a_from){
|
|
parent::operator=(a_from);
|
|
return *this;
|
|
}
|
|
|
|
vec2f(const parent& a_from):parent(a_from){}
|
|
|
|
public: //operators
|
|
vec2f operator*(float a_v) const {
|
|
return vec2f(m_data[0]*a_v,
|
|
m_data[1]*a_v);
|
|
}
|
|
vec2f operator+(const vec2f& a_v) const {
|
|
return vec2f(m_data[0]+a_v.m_data[0],
|
|
m_data[1]+a_v.m_data[1]);
|
|
}
|
|
vec2f operator-(const vec2f& a_v) const {
|
|
return vec2f(m_data[0]-a_v.m_data[0],
|
|
m_data[1]-a_v.m_data[1]);
|
|
}
|
|
vec2f& operator+=(const vec2f& a_v) {
|
|
m_data[0] += a_v.m_data[0];
|
|
m_data[1] += a_v.m_data[1];
|
|
return *this;
|
|
}
|
|
vec2f& operator*=(float a_v) {
|
|
m_data[0] *= a_v;
|
|
m_data[1] *= a_v;
|
|
return *this;
|
|
}
|
|
vec2f operator-() const {
|
|
return vec2f(-m_data[0],-m_data[1]);
|
|
}
|
|
public:
|
|
#define TOOLS_VEC2F_MORE_PREC
|
|
#ifdef TOOLS_VEC2F_MORE_PREC
|
|
float length() const {
|
|
return float(::sqrt(m_data[0]*m_data[0]+m_data[1]*m_data[1]));
|
|
}
|
|
float normalize() {
|
|
float norme = length();
|
|
if(!norme) return 0;
|
|
divide(norme);
|
|
return norme;
|
|
}
|
|
#else
|
|
float length() const {return parent::length(::sqrtf);}
|
|
float normalize() {return parent::normalize(::sqrtf);}
|
|
#endif
|
|
public: //iv2sg
|
|
bool equals(const vec2f& a_v,const float a_epsil) const {
|
|
//if(a_epsil<0.0f))
|
|
float d0 = m_data[0]-a_v.m_data[0];
|
|
float d1 = m_data[1]-a_v.m_data[1];
|
|
return ((d0*d0+d1*d1)<=a_epsil);
|
|
}
|
|
void negate() {
|
|
m_data[0] = -m_data[0];
|
|
m_data[1] = -m_data[1];
|
|
}
|
|
|
|
private:static void check_instantiation() {vec2f v(0,0);v.set_value(1,1);}
|
|
};
|
|
|
|
inline vec2f operator*(float a_f,const vec2f& a_v) {
|
|
vec2f res(a_v);
|
|
res *= a_f;
|
|
return res;
|
|
}
|
|
|
|
}
|
|
|
|
#include <vector>
|
|
|
|
namespace tools {
|
|
|
|
#ifndef SWIG
|
|
//for sf, mf :
|
|
inline bool set_from_vec(vec2f& a_v,const std::vector<float>& a_sv) {
|
|
if(a_sv.size()!=2) return false;
|
|
a_v[0] = a_sv[0];
|
|
a_v[1] = a_sv[1];
|
|
return true;
|
|
}
|
|
#endif
|
|
|
|
}
|
|
|
|
#endif
|