WebSVN – gelsvn – Diff – /branches/cpp11-devel/src/CGLA/Vec4f.h


/* ----------------------------------------------------------------------- *
 * This file is part of GEL, http://www.imm.dtu.dk/GEL
 * Copyright (C) the authors and DTU Informatics
 * For license and list of authors, see ../../doc/intro.pdf
 * ----------------------------------------------------------------------- */
 
/** @file Vec4f.h
 * @brief 4D float vector class.
 */
 
#ifndef __CGLA_VEC4F_H__
#define __CGLA_VEC4F_H__
 
#include "Vec3f.h"
#include "ArithVec4Float.h"
 
namespace CGLA {
 
	/** \brief A four dimensional floating point vector. 
 
			This class is also used (via typedef) for
			homogeneous vectors.
	*/
 
	class Vec4f: public ArithVec4Float<float,Vec4f>
	{
	public:
  
		/// Construct a (0,0,0,0) homogenous Vector
		Vec4f(): ArithVec4Float<float,Vec4f>(0.0f,0.0f,0.0f,0.0f) {}
 
		/// Construct a (0,0,0,0) homogenous Vector
		explicit Vec4f(float _a): ArithVec4Float<float,Vec4f>(_a,_a,_a,_a) {}
 
		/// Construct a 4D vector
		Vec4f(float _a, float _b, float _c, float _d): 
			ArithVec4Float<float,Vec4f>(_a,_b,_c,_d) {}
 
		/// Construct a homogenous vector (a,b,c,1)
		Vec4f(float _a, float _b, float _c): 
			ArithVec4Float<float,Vec4f>(_a,_b,_c,1.0f) {}
 
		/// Construct a homogenous vector from a non-homogenous.
		explicit Vec4f(const Vec3f& v): 
			ArithVec4Float<float,Vec4f>(v[0],v[1],v[2],1.0f) {}
 
		/// Construct a homogenous vector from a non-homogenous.
		explicit Vec4f(const Vec3f& v,float _d): 
			ArithVec4Float<float,Vec4f>(v[0],v[1],v[2],_d) {}
 
		operator Vec3f() const
		{
			float k = 1.0f/(*this)[3];
			return Vec3f((*this)[0]*k,(*this)[1]*k,(*this)[2]*k);
		}
	};
}
#endif
 
 

Subversion Repositories gelsvn

(root)/branches/cpp11-devel/src/CGLA/Vec4f.h – Rev 595 → 630

Rev 595		Rev 630
1	`/* ----------------------------------------------------------------------- *`	1	`/* ----------------------------------------------------------------------- *`
2	`* This file is part of GEL, http://www.imm.dtu.dk/GEL`	2	`* This file is part of GEL, http://www.imm.dtu.dk/GEL`
3	`* Copyright (C) the authors and DTU Informatics`	3	`* Copyright (C) the authors and DTU Informatics`
4	`* For license and list of authors, see ../../doc/intro.pdf`	4	`* For license and list of authors, see ../../doc/intro.pdf`
5	`* ----------------------------------------------------------------------- */`	5	`* ----------------------------------------------------------------------- */`
6		6
7	`/** @file Vec4f.h`	7	`/** @file Vec4f.h`
8	`* @brief 4D float vector class.`	8	`* @brief 4D float vector class.`
9	`*/`	9	`*/`
10		10
11	`#ifndef __CGLA_VEC4F_H__`	11	`#ifndef __CGLA_VEC4F_H__`
12	`#define __CGLA_VEC4F_H__`	12	`#define __CGLA_VEC4F_H__`
13		13
14	`#include "Vec3f.h"`	14	`#include "Vec3f.h"`
15	`#include "ArithVec4Float.h"`	15	`#include "ArithVec4Float.h"`
16		16
17	`namespace CGLA {`	17	`namespace CGLA {`
18		18
19	`/** \brief A four dimensional floating point vector.`	19	`/** \brief A four dimensional floating point vector.`
20		20
21	`This class is also used (via typedef) for`	21	`This class is also used (via typedef) for`
22	`homogeneous vectors.`	22	`homogeneous vectors.`
23	`*/`	23	`*/`
24		24
25	`class Vec4f: public ArithVec4Float<float,Vec4f>`	25	`class Vec4f: public ArithVec4Float<float,Vec4f>`
26	`{`	26	`{`
27	`public:`	27	`public:`
28		28
29	`/// Construct a (0,0,0,0) homogenous Vector`	29	`/// Construct a (0,0,0,0) homogenous Vector`
30	`Vec4f(): ArithVec4Float<float,Vec4f>(0.0f,0.0f,0.0f,0.0f) {}`	30	`Vec4f(): ArithVec4Float<float,Vec4f>(0.0f,0.0f,0.0f,0.0f) {}`
31		31
32	`/// Construct a (0,0,0,0) homogenous Vector`	32	`/// Construct a (0,0,0,0) homogenous Vector`
33	`explicit Vec4f(float _a): ArithVec4Float<float,Vec4f>(_a,_a,_a,_a) {}`	33	`explicit Vec4f(float _a): ArithVec4Float<float,Vec4f>(_a,_a,_a,_a) {}`
34		34
35	`/// Construct a 4D vector`	35	`/// Construct a 4D vector`
36	`Vec4f(float _a, float _b, float _c, float _d):`	36	`Vec4f(float _a, float _b, float _c, float _d):`
37	`ArithVec4Float<float,Vec4f>(_a,_b,_c,_d) {}`	37	`ArithVec4Float<float,Vec4f>(_a,_b,_c,_d) {}`
38		38
39	`/// Construct a homogenous vector (a,b,c,1)`	39	`/// Construct a homogenous vector (a,b,c,1)`
40	`Vec4f(float _a, float _b, float _c):`	40	`Vec4f(float _a, float _b, float _c):`
41	`ArithVec4Float<float,Vec4f>(_a,_b,_c,1.0f) {}`	41	`ArithVec4Float<float,Vec4f>(_a,_b,_c,1.0f) {}`
42		42
43	`/// Construct a homogenous vector from a non-homogenous.`	43	`/// Construct a homogenous vector from a non-homogenous.`
44	`explicit Vec4f(const Vec3f& v):`	44	`explicit Vec4f(const Vec3f& v):`
45	`ArithVec4Float<float,Vec4f>(v[0],v[1],v[2],1.0f) {}`	45	`ArithVec4Float<float,Vec4f>(v[0],v[1],v[2],1.0f) {}`
46		46
47	`/// Construct a homogenous vector from a non-homogenous.`	47	`/// Construct a homogenous vector from a non-homogenous.`
48	`explicit Vec4f(const Vec3f& v,float _d):`	48	`explicit Vec4f(const Vec3f& v,float _d):`
49	`ArithVec4Float<float,Vec4f>(v[0],v[1],v[2],_d) {}`	49	`ArithVec4Float<float,Vec4f>(v[0],v[1],v[2],_d) {}`
50		50
51	`operator Vec3f() const`	51	`operator Vec3f() const`
52	`{`	52	`{`
53	`float k = 1.0f/(*this)[3];`	53	`float k = 1.0f/(*this)[3];`
54	`return Vec3f((this)[0]k,(this)[1]k,(this)[2]k);`	54	`return Vec3f((this)[0]k,(this)[1]k,(this)[2]k);`
55	`}`	55	`}`
56	`};`	56	`};`
57	`}`	57	`}`
58	`#endif`	58	`#endif`
59		59
60		60