/*
* Copyright (c) 2006-2011 Hypertriton, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OF THIS SOFTWARE EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Box-shaped polyhedral object.
*/
#include
#include
#include
/* Create a new Box node. */
SG_Polybox *
SG_PolyboxNew(void *parent, const char *name)
{
SG_Polybox *box;
box = Malloc(sizeof(SG_Polybox));
AG_ObjectInitNamed(box, &sgPolyboxClass, name);
AG_ObjectAttach(parent, box);
return (box);
}
static void
Init(void *_Nonnull obj)
{
SG_Polybox *box = obj;
SG_EdgeRehash(box, 8);
SG_VertexNew(box, M_VECTOR3(-1.0, -1.0, -1.0));
SG_VertexNew(box, M_VECTOR3(+1.0, -1.0, -1.0));
SG_VertexNew(box, M_VECTOR3(+1.0, -1.0, +1.0));
SG_VertexNew(box, M_VECTOR3(-1.0, -1.0, +1.0));
SG_VertexNew(box, M_VECTOR3(-1.0, +1.0, +1.0));
SG_VertexNew(box, M_VECTOR3(+1.0, +1.0, +1.0));
SG_VertexNew(box, M_VECTOR3(+1.0, +1.0, -1.0));
SG_VertexNew(box, M_VECTOR3(-1.0, +1.0, -1.0));
OBJ_ST(box,1) = M_VECTOR2(0.25, 0.50);
OBJ_ST(box,2) = M_VECTOR2(0.50, 0.50);
OBJ_ST(box,3) = M_VECTOR2(0.50, 0.25);
OBJ_ST(box,4) = M_VECTOR2(0.25, 0.25);
OBJ_ST(box,5) = M_VECTOR2(0.25, 0.00); /* [0,0.25]; [1,0.25] */
OBJ_ST(box,6) = M_VECTOR2(0.75, 0.25);
OBJ_ST(box,7) = M_VECTOR2(0.75, 0.50);
OBJ_ST(box,8) = M_VECTOR2(0.00, 0.50); /* [0.25,0]; [1,0.50] */
SG_FacetFromQuad4(box, 1,2,3,4);
SG_FacetFromQuad4(box, 2,7,6,3);
SG_FacetFromQuad4(box, 1,4,5,8);
SG_FacetFromQuad4(box, 1,8,7,2);
SG_FacetFromQuad4(box, 4,3,6,5);
SG_FacetFromQuad4(box, 5,6,7,8);
SG_ObjectNormalize(box);
}
SG_NodeClass sgPolyboxClass = {
{
"SG_Node:SG_Object:SG_Polybox",
sizeof(SG_Polybox),
{ 0,0 },
Init,
NULL, /* free */
NULL, /* destroy */
NULL, /* load */
NULL, /* save */
SG_NodeEdit
},
NULL, /* menuNode */
NULL, /* menuClass */
NULL, /* draw */
NULL, /* intersect */
NULL /* edit */
};