WebSVN – gelsvn – Diff – /trunk/src/Geometry/BoundingLNode.h


#ifndef __BOUNDINGLNODE_H
#define __BOUNDINGLNODE_H
 
#include "BoundingNode.h"
 
#define USE_LEAF_BOXES 1
 
namespace Geometry
{
 
/// Leaf node of a bounding box tree. References triangle.
template<class BoxType>
class BoundingLNode: public BoundingNode<BoxType>
{
	Triangle tri;
 public:
 
#if USE_LEAF_BOXES
	BoundingLNode(const BoxType& box,
								const Triangle& _tri): BoundingNode<BoxType>(box), tri(_tri) {}
#else
	BoundingLNode(const Triangle& _tri): BoundingNode<BoxType>(BoxType()), tri(_tri) {}
#endif
 
	~BoundingLNode() {}
 
	bool intersect(const CGLA::Vec3f&,const CGLA::Vec3f&,float&) const;
	int intersect_cnt(const CGLA::Vec3f&,const CGLA::Vec3f&) const;
 
	void sq_distance(const CGLA::Vec3f&, float&, float&, float&) const;
 
	virtual bool is_leaf() const {return true;}
 
	const Triangle& get_tri() const {return tri;}
};
 
template<class BoxType>
inline bool BoundingLNode<BoxType>::intersect(const CGLA::Vec3f& p, 
																							const CGLA::Vec3f& dir,
																							float& tmin) const
{
#if USE_LEAF_BOXES
	if(BoxType::intersect(p,dir))
 		return tri.intersect(p,dir,tmin);
 	return false;
#else
	return tri.intersect(p,dir,tmin);
#endif
 
}
 
template<class BoxType>
inline int BoundingLNode<BoxType>::intersect_cnt(const CGLA::Vec3f& p, 
																								 const CGLA::Vec3f& dir) const
{
#if USE_LEAF_BOXES
	float tmin=1.0e33f;
	if(BoxType::intersect(p,dir) && 
		 tri.intersect(p,dir,tmin) &&
		 tmin > 0)
		return 1;
	return 0;
#else
	float tmin=1e33;
	if(tri.intersect(p,dir,tmin) &&
		 tmin > 0)
		return 1;
	return 0;
#endif
}
 
template<class BoxType>
inline void BoundingLNode<BoxType>::sq_distance(const CGLA::Vec3f& p, 
																								float& dmin, 
																								float& dmax, float& s) const
{
 	bool did_work = tri.signed_distance(p,dmax,s);
	if(!did_work) std::cout << dmax << std::endl;
	assert(did_work);
 	dmin = dmax; 
}
 
}
#endif
 

Rev 291	Rev 299
1	`#ifndef __BOUNDINGLNODE_H`	1	`#ifndef __BOUNDINGLNODE_H`
2	`#define __BOUNDINGLNODE_H`	2	`#define __BOUNDINGLNODE_H`
3		3
4	`#include "BoundingNode.h"`	4	`#include "BoundingNode.h"`
5		5
6	`#define USE_LEAF_BOXES 1`	6	`#define USE_LEAF_BOXES 1`
7		7
8	`namespace Geometry`	8	`namespace Geometry`
9	`{`	9	`{`
10		10
11	`/// Leaf node of a bounding box tree. References triangle.`	11	`/// Leaf node of a bounding box tree. References triangle.`
12	`template<class BoxType>`	12	`template<class BoxType>`
13	`class BoundingLNode: public BoundingNode<BoxType>`	13	`class BoundingLNode: public BoundingNode<BoxType>`
14	`{`	14	`{`
15	`Triangle tri;`	15	`Triangle tri;`
16	`public:`	16	`public:`
17		17
18	`#if USE_LEAF_BOXES`	18	`#if USE_LEAF_BOXES`
19	`BoundingLNode(const BoxType& box,`	19	`BoundingLNode(const BoxType& box,`
20	`const Triangle& _tri): BoundingNode<BoxType>(box), tri(_tri) {}`	20	`const Triangle& _tri): BoundingNode<BoxType>(box), tri(_tri) {}`
21	`#else`	21	`#else`
22	`BoundingLNode(const Triangle& _tri): BoundingNode<BoxType>(BoxType()), tri(_tri) {}`	22	`BoundingLNode(const Triangle& _tri): BoundingNode<BoxType>(BoxType()), tri(_tri) {}`
23	`#endif`	23	`#endif`
24		24
25	`~BoundingLNode() {}`	25	`~BoundingLNode() {}`
26		26
27	`bool intersect(const CGLA::Vec3f&,const CGLA::Vec3f&,float&) const;`	27	`bool intersect(const CGLA::Vec3f&,const CGLA::Vec3f&,float&) const;`
28	`int intersect_cnt(const CGLA::Vec3f&,const CGLA::Vec3f&) const;`	28	`int intersect_cnt(const CGLA::Vec3f&,const CGLA::Vec3f&) const;`
29		29
30	`void sq_distance(const CGLA::Vec3f&, float&, float&, float&) const;`	30	`void sq_distance(const CGLA::Vec3f&, float&, float&, float&) const;`
31		31
32	`virtual bool is_leaf() const {return true;}`	32	`virtual bool is_leaf() const {return true;}`
33		33
34	`const Triangle& get_tri() const {return tri;}`	34	`const Triangle& get_tri() const {return tri;}`
35	`};`	35	`};`
36		36
37	`template<class BoxType>`	37	`template<class BoxType>`
38	`inline bool BoundingLNode<BoxType>::intersect(const CGLA::Vec3f& p,`	38	`inline bool BoundingLNode<BoxType>::intersect(const CGLA::Vec3f& p,`
39	`const CGLA::Vec3f& dir,`	39	`const CGLA::Vec3f& dir,`
40	`float& tmin) const`	40	`float& tmin) const`
41	`{`	41	`{`
42	`#if USE_LEAF_BOXES`	42	`#if USE_LEAF_BOXES`
43	`if(BoxType::intersect(p,dir))`	43	`if(BoxType::intersect(p,dir))`
44	`return tri.intersect(p,dir,tmin);`	44	`return tri.intersect(p,dir,tmin);`
45	`return false;`	45	`return false;`
46	`#else`	46	`#else`
47	`return tri.intersect(p,dir,tmin);`	47	`return tri.intersect(p,dir,tmin);`
48	`#endif`	48	`#endif`
49		49
50	`}`	50	`}`
51		51
52	`template<class BoxType>`	52	`template<class BoxType>`
53	`inline int BoundingLNode<BoxType>::intersect_cnt(const CGLA::Vec3f& p,`	53	`inline int BoundingLNode<BoxType>::intersect_cnt(const CGLA::Vec3f& p,`
54	`const CGLA::Vec3f& dir) const`	54	`const CGLA::Vec3f& dir) const`
55	`{`	55	`{`
56	`#if USE_LEAF_BOXES`	56	`#if USE_LEAF_BOXES`
57	`float tmin=1.0e33f;`	57	`float tmin=1.0e33f;`
58	`if(BoxType::intersect(p,dir) &&`	58	`if(BoxType::intersect(p,dir) &&`
59	`tri.intersect(p,dir,tmin) &&`	59	`tri.intersect(p,dir,tmin) &&`
60	`tmin > 0)`	60	`tmin > 0)`
61	`return 1;`	61	`return 1;`
62	`return 0;`	62	`return 0;`
63	`#else`	63	`#else`
64	`float tmin=1e33;`	64	`float tmin=1e33;`
65	`if(tri.intersect(p,dir,tmin) &&`	65	`if(tri.intersect(p,dir,tmin) &&`
66	`tmin > 0)`	66	`tmin > 0)`
67	`return 1;`	67	`return 1;`
68	`return 0;`	68	`return 0;`
69	`#endif`	69	`#endif`
70	`}`	70	`}`
71		71
72	`template<class BoxType>`	72	`template<class BoxType>`
73	`inline void BoundingLNode<BoxType>::sq_distance(const CGLA::Vec3f& p,`	73	`inline void BoundingLNode<BoxType>::sq_distance(const CGLA::Vec3f& p,`
74	`float& dmin,`	74	`float& dmin,`
75	`float& dmax, float& s) const`	75	`float& dmax, float& s) const`
76	`{`	76	`{`
77	`bool did_work = tri.signed_distance(p,dmax,s);`	77	`bool did_work = tri.signed_distance(p,dmax,s);`
78	`if(!did_work) std::cout << dmax << std::endl;`	78	`if(!did_work) std::cout << dmax << std::endl;`
79	`assert(did_work);`	79	`assert(did_work);`
80	`dmin = dmax;`	80	`dmin = dmax;`
81	`}`	81	`}`
82		82
83	`}`	83	`}`
84	`#endif`	84	`#endif`
85		85

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(root)/trunk/src/Geometry/BoundingLNode.h – Rev 291 → 299