/Users/mourrain/Devel/mmx/shape/src/ssi_dsearch_triangle.cpp File Reference

#include <shape/ssi_dsearch.hpp>
#include <shape/ssi_tri_tri.hpp>
#include <shape/ssi_math.hpp>

Go to the source code of this file.

Namespaces

• namespace mmx
• namespace mmx::shape_ssi

Defines

• #define SHIFT   3
• #define __up__   0
• #define __down__   1
• #define __up__triangle__(q)   q[0],q[3],q[2]
• #define __down__triangle__(q)   q[0],q[1],q[2]
• #define __up__param_triangle__(q)   q[3],q[2],q[0]
• #define __down__param_triangle__(q)   q[1],q[0],q[2]
• #define __convert_order__(i, point)   { point[(i+1)%2] = 1.0-point[(i+1)%2]; }
• #define __triangle_triangle_case__(trig0, trig1)

Functions

• void space2prm (vector2 &pa, vector2 &pb, const vector3 &sa, const vector3 &sb, const vector3 &base, const vector3 &pu, const vector3 &pv)

Variables

• static const int up_triangle_ [] = { 0, 1, 3 }
• static const int dw_triangle_ [] = { 2, 3, 1 }

---

Define Documentation

#define __convert_order__	(		i,
			point
	)		{ point[(i+1)%2] = 1.0-point[(i+1)%2]; }

Definition at line 23 of file ssi_dsearch_triangle.cpp.

#define __down__   1

Definition at line 14 of file ssi_dsearch_triangle.cpp.

Referenced by dsearch::push().

#define __down__param_triangle__

(

q

)

q[1],q[0],q[2]

Definition at line 22 of file ssi_dsearch_triangle.cpp.

#define __down__triangle__

(

q

)

q[0],q[1],q[2]

Definition at line 18 of file ssi_dsearch_triangle.cpp.

#define __triangle_triangle_case__	(		trig0,
			trig1
	)

Value:

{                                                                     \
      if ( geom::intersectp_triangles3_isegment                           \
           ( coplanar, seg[0], seg[1],                                    \
             trig0##triangle__(a),                                        \
             trig1##triangle__(b), point3::value_type(1e-12) ))           \
        {                                                                 \
          if ( !coplanar )                                                \
            {                                                             \
              space2prm(/* points in parameter space */                    \
                     seg0[0], seg0[1],                                    \
                     /* corresponding points in R3 */                     \
                      seg[0],  seg[1],                                    \
                     /* parametric plane = base + 2 vectors  */           \
                     trig0##param_triangle__(a)                           \
                     );                                                   \
              space2prm( seg1[0], seg1[1],                                 \
                        seg[0], seg[1],                                   \
                        trig1##param_triangle__(b) );                     \
              /* retrieve the correct offset coordinates in quad */       \
            __convert_order__(trig0,seg0[0]);                             \
            __convert_order__(trig0,seg0[1]);                             \
            __convert_order__(trig1,seg1[0]);                             \
            __convert_order__(trig1,seg1[1]);                             \
            }                                                             \
        else                                                              \
          {\
            seg0[0][0] = 1.0/3.0; seg0[0][1] = 1.0/3.0;                   \
            seg0[1][0] = 1.0/3.0; seg0[1][0] = 1.0/3.0;                   \
            seg1[0][0] = 1.0/3.0; seg1[0][1] = 1.0/3.0;                   \
            seg1[1][0] = 1.0/3.0; seg1[1][1] = 1.0/3.0;                   \
            __convert_order__(trig0,seg0[0]);                             \
            __convert_order__(trig0,seg0[1]);                             \
            __convert_order__(trig1,seg1[0]);                             \
            __convert_order__(trig1,seg1[1]);                             \
          };                                                              \
            {                                                             \
              f->convert(seg0,this,2);                                    \
              s->convert(seg1,this,2);                                    \
              push( seg0[0], seg0[1], seg1[0], seg1[1], seg[0],seg[1] );  \
            }                                                             \
        };                                                                \
    }                                                                     \

Definition at line 25 of file ssi_dsearch_triangle.cpp.

Referenced by dsearch::push().

#define __up__   0

Definition at line 13 of file ssi_dsearch_triangle.cpp.

Referenced by dsearch::push().

#define __up__param_triangle__

(

q

)

q[3],q[2],q[0]

Definition at line 20 of file ssi_dsearch_triangle.cpp.

#define __up__triangle__

(

q

)

q[0],q[3],q[2]

Definition at line 16 of file ssi_dsearch_triangle.cpp.

#define SHIFT   3

Definition at line 6 of file ssi_dsearch_triangle.cpp.

Referenced by dsearch::push().