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uncrustify libraries/AP_Math/vector2.h

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uncrustify 2012-08-16 23:20:14 -07:00 committed by Pat Hickey
parent ffb4163b51
commit 087b2f99c7
1 changed files with 146 additions and 111 deletions
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91
libraries/AP_Math/vector2.h
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@ -9,16 +9,16 @@
// Derived closely from:
/****************************************
* 2D Vector Classes
* By Bill Perone (billperone@yahoo.com)
* Original: 9-16-2002
* Revised: 19-11-2003
* 18-12-2003
* 06-06-2004
*
* © 2003, This code is provided "as is" and you can use it freely as long as
* credit is given to Bill Perone in the application it is used in
****************************************/
* 2D Vector Classes
* By Bill Perone (billperone@yahoo.com)
* Original: 9-16-2002
* Revised: 19-11-2003
* 18-12-2003
* 06-06-2004
*
* © 2003, This code is provided "as is" and you can use it freely as long as
* credit is given to Bill Perone in the application it is used in
****************************************/
#ifndef VECTOR2_H
#define VECTOR2_H
@ -31,34 +31,49 @@ struct Vector2
T x, y;
// trivial ctor
Vector2<T>() { x = y = 0; }
Vector2<T>() {
x = y = 0;
}
// setting ctor
Vector2<T>(const T x0, const T y0): x(x0), y(y0) {}
Vector2<T>(const T x0, const T y0) : x(x0), y(y0) {
}
// function call operator
void operator ()(const T x0, const T y0)
{ x= x0; y= y0; }
{
x= x0; y= y0;
}
// test for equality
bool operator==(const Vector2<T> &v)
{ return (x==v.x && y==v.y); }
{
return (x==v.x && y==v.y);
}
// test for inequality
bool operator!=(const Vector2<T> &v)
{ return (x!=v.x || y!=v.y); }
{
return (x!=v.x || y!=v.y);
}
// negation
Vector2<T> operator -(void) const
{ return Vector2<T>(-x, -y); }
{
return Vector2<T>(-x, -y);
}
// addition
Vector2<T> operator +(const Vector2<T> &v) const
{ return Vector2<T>(x+v.x, y+v.y); }
{
return Vector2<T>(x+v.x, y+v.y);
}
// subtraction
Vector2<T> operator -(const Vector2<T> &v) const
{ return Vector2<T>(x-v.x, y-v.y); }
{
return Vector2<T>(x-v.x, y-v.y);
}
// uniform scaling
Vector2<T> operator *(const T num) const
@ -104,23 +119,33 @@ struct Vector2
// dot product
T operator *(const Vector2<T> &v) const
{ return x*v.x + y*v.y; }
{
return x*v.x + y*v.y;
}
// gets the length of this vector squared
T length_squared() const
{ return (T)(*this * *this); }
{
return (T)(*this * *this);
}
// gets the length of this vector
T length() const
{ return (T)sqrt(*this * *this); }
{
return (T)sqrt(*this * *this);
}
// normalizes this vector
void normalize()
{ *this/=length(); }
{
*this/=length();
}
// returns the normalized vector
Vector2<T> normalized() const
{ return *this/length(); }
{
return *this/length();
}
// reflects this vector about n
void reflect(const Vector2<T> &n)
@ -132,23 +157,33 @@ struct Vector2
// projects this vector onto v
void project(const Vector2<T> &v)
{ *this= v * (*this * v)/(v*v); }
{
*this= v * (*this * v)/(v*v);
}
// returns this vector projected onto v
Vector2<T> projected(const Vector2<T> &v)
{ return v * (*this * v)/(v*v); }
{
return v * (*this * v)/(v*v);
}
// computes the angle between 2 arbitrary vectors
T angle(const Vector2<T> &v1, const Vector2<T> &v2)
{ return (T)acos((v1*v2) / (v1.length()*v2.length())); }
{
return (T)acos((v1*v2) / (v1.length()*v2.length()));
}
// computes the angle between this vector and another vector
T angle(const Vector2<T> &v2)
{ return (T)acos(((*this)*v2) / (this->length()*v2.length())); }
{
return (T)acos(((*this)*v2) / (this->length()*v2.length()));
}
// computes the angle between 2 normalized arbitrary vectors
T angle_normalized(const Vector2<T> &v1, const Vector2<T> &v2)
{ return (T)acos(v1*v2); }
{
return (T)acos(v1*v2);
}
};