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/***********************************************************************
* FXRuby -- the Ruby language bindings for the FOX GUI toolkit.
* Copyright (c) 2001-2009 by Lyle Johnson. All Rights Reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* For further information please contact the author by e-mail
* at "lyle@lylejohnson.name".
***********************************************************************/
%rename("crosses?") FXVec4d::crosses(const FXVec3d& a,const FXVec3d& b) const;
/// Double-precision 4-element vector
class FXVec4d {
public:
FXdouble x;
FXdouble y;
FXdouble z;
FXdouble w;
public:
/// Default constructor
%extend {
FXVec4d() {
return new FXVec4d(0.0, 0.0, 0.0, 0.0);
}
}
/// Copy constructor
FXVec4d(const FXVec4d& v);
/// Initialize with 3-vector and optional scalar
FXVec4d(const FXVec3d& v,FXdouble ww=1.0);
/// Initialize with components
FXVec4d(FXdouble xx,FXdouble yy,FXdouble zz,FXdouble ww=1.0);
/// Initialize with color
FXVec4d(FXColor color);
/// Signed distance normalized plane and point
FXdouble distance(const FXVec3d& p) const;
/// Return true if edge a-b crosses plane
bool crosses(const FXVec3d& a,const FXVec3d& b) const;
/// Length and square of length
FXdouble length2() const;
FXdouble length() const;
%extend {
/// Indexing
FXdouble __getitem__(FXint i) const {
if(i<0||i>3) rb_raise(rb_eIndexError,"index %d out of bounds",i);
return (*self)[i];
}
FXdouble __setitem__(FXint i,FXdouble d){
if(i<0||i>3) rb_raise(rb_eIndexError,"index %d out of bounds",i);
(*self)[i]=d;
return d;
}
/// Unary
FXVec4d operator-() const { return -(*self); }
/// Adding
FXVec4d operator+(const FXVec4d& other) const { return (*self)+other; }
/// Subtracting
FXVec4d operator-(const FXVec4d& other) const { return (*self)-other; }
/// Scaling
FXVec4d operator*(FXdouble n) const { return (*self)*n; }
FXVec4d operator/(FXdouble n) const {
if(n==0.0) rb_raise(rb_eZeroDivError,"divided by 0");
return (*self)/n;
}
/// Dot product
FXdouble operator*(const FXVec4d& other) const { return (*self)*other; }
FXdouble dot(const FXVec4d& other) const { return (*self)*other; }
/// Equality tests
bool operator==(const FXVec4d& other) const { return (*self)==other; }
/// Normalize vector
FXVec4d normalize() const { return normalize(*self); }
/// Lowest or highest components
FXVec4d lo(const FXVec4d& other) const { return lo(*self,other); }
FXVec4d hi(const FXVec4d& other) const { return hi(*self,other); }
/// Compute normalized plane equation ax+by+cz+d=0
static FXVec4d plane(const FXVec4d& vec){ return FX::plane(vec); }
static FXVec4d plane(const FXVec3d& vec,FXdouble dist){ return FX::plane(vec,dist); }
static FXVec4d plane(const FXVec3d& vec,const FXVec3d& p){ return FX::plane(vec,p); }
static FXVec4d plane(const FXVec3d& a,const FXVec3d& b,const FXVec3d& c){ return FX::plane(a,b,c); }
}
/// Clamp values of vector between limits
FXVec4d& clamp(FXdouble lo,FXdouble hi);
};
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