PARAMETRIC* Create_Parametric()
{
PARAMETRIC *New;
New = (PARAMETRIC *)POV_MALLOC(sizeof(PARAMETRIC), "parametric");
INIT_OBJECT_FIELDS(New, PARAMETRIC_OBJECT, &Parametric_Methods);
Make_Vector(New->container.box.corner1, -1.0, -1.0, -1.0);
Make_Vector(New->container.box.corner2, 1.0, 1.0, 1.0);
Make_BBox(New->BBox, -1.0, -1.0, -1.0, 2.0, 2.0, 2.0);
New->Trans = Create_Transform();
New->Function[0] = NULL;
New->Function[1] = NULL;
New->Function[2] = NULL;
New->accuracy = 0.001;
New->max_gradient = 1;
New->Inverted = false;
New->PData = NULL;
New->container_shape = 0;
return New;
}
SMOOTH_TRIANGLE *Create_Smooth_Triangle()
{
SMOOTH_TRIANGLE *New;
New = (SMOOTH_TRIANGLE *)POV_MALLOC(sizeof(SMOOTH_TRIANGLE), "smooth triangle");
INIT_OBJECT_FIELDS(New,SMOOTH_TRIANGLE_OBJECT,&Smooth_Triangle_Methods)
Make_Vector(New->Normal_Vector, 0.0, 1.0, 0.0);
New->Distance = 0.0;
/* BEG ROSE
The normal vectors are not matching the triangle, given by the points:
END ROSE */
Make_Vector(New->P1, 0.0, 0.0, 0.0);
Make_Vector(New->P2, 1.0, 0.0, 0.0);
Make_Vector(New->P3, 0.0, 1.0, 0.0);
Make_Vector(New->N1, 0.0, 1.0, 0.0);
Make_Vector(New->N2, 0.0, 1.0, 0.0);
Make_Vector(New->N3, 0.0, 1.0, 0.0);
/*
* NOTE: Dominant_Axis and vAxis are computed when
* Parse_Triangle calls Compute_Triangle.
*/
return(New);
}
TRIANGLE *Create_Triangle()
{
TRIANGLE *New;
New = (TRIANGLE *)POV_MALLOC(sizeof(TRIANGLE), "triangle");
INIT_OBJECT_FIELDS(New,TRIANGLE_OBJECT,&Triangle_Methods)
Make_Vector(New->Normal_Vector, 0.0, 1.0, 0.0);
New->Distance = 0.0;
/* BEG ROSE
this three points doesn't belong to the normal vector, created above:
END ROSE */
Make_Vector(New->P1, 0.0, 0.0, 0.0);
Make_Vector(New->P2, 1.0, 0.0, 0.0);
Make_Vector(New->P3, 0.0, 1.0, 0.0);
/*
* NOTE: Dominant_Axis is computed when Parse_Triangle calls
* Compute_Triangle. vAxis is used only for smooth triangles.
*/
return(New);
}
CONE *Create_Cylinder()
{
CONE *New;
New = (CONE *)POV_MALLOC(sizeof(CONE), "cone");
INIT_OBJECT_FIELDS(New, CONE_OBJECT, &Cone_Methods)
Make_Vector(New->apex, 0.0, 0.0, 1.0);
Make_Vector(New->base, 0.0, 0.0, 0.0);
New->apex_radius = 1.0;
New->base_radius = 1.0;
New->dist = 0.0;
New->Trans = Create_Transform();
Set_Flag(New, CYLINDER_FLAG); /* This is a cylinder. */
Set_Flag(New, CLOSED_FLAG); /* Has capped ends. */
/* Default bounds */
Make_BBox(New->BBox, -1.0, -1.0, 0.0, 2.0, 2.0, 1.0);
return (New);
}
QUADRIC *Create_Quadric()
{
QUADRIC *New;
New = (QUADRIC *)POV_MALLOC(sizeof (QUADRIC), "quadric");
INIT_OBJECT_FIELDS(New, QUADRIC_OBJECT, &Quadric_Methods)
Make_Vector (New->Square_Terms, 1.0, 1.0, 1.0);
Make_Vector (New->Mixed_Terms, 0.0, 0.0, 0.0);
Make_Vector (New->Terms, 0.0, 0.0, 0.0);
New->Constant = 1.0;
New->Automatic_Bounds = false;
return(New);
}
PLANE *Create_Plane()
{
PLANE *New;
New = (PLANE *)POV_MALLOC(sizeof (PLANE), "plane");
INIT_OBJECT_FIELDS(New,PLANE_OBJECT,&Plane_Methods)
Make_Vector(New->Normal_Vector, 0.0, 1.0, 0.0);
New ->Distance = 0.0;
New->Trans = NULL;
return(New);
}
POLYGON *Create_Polygon()
{
POLYGON *New;
New = (POLYGON *)POV_MALLOC(sizeof(POLYGON), "polygon");
INIT_OBJECT_FIELDS(New,POLYGON_OBJECT,&Polygon_Methods)
New->Trans = Create_Transform();
Make_Vector(New->S_Normal, 0.0, 0.0, 1.0);
New->Data = NULL;
return (New);
}
BOX *Create_Box()
{
BOX *New;
New = (BOX *)POV_MALLOC(sizeof(BOX), "box");
INIT_OBJECT_FIELDS(New, BOX_OBJECT, &Box_Methods)
Make_Vector(New->bounds[0], -1.0, -1.0, -1.0);
Make_Vector(New->bounds[1], 1.0, 1.0, 1.0);
Make_BBox(New->BBox, -1.0, -1.0, -1.0, 2.0, 2.0, 2.0);
New->Trans = NULL;
return (New);
}
ISOSURFACE* Create_IsoSurface()
{
ISOSURFACE * New;
New = (ISOSURFACE *)POV_MALLOC(sizeof(ISOSURFACE), "isosurface");
INIT_OBJECT_FIELDS(New, ISOSURFACE_OBJECT, &IsoSurface_Methods)
Make_Vector(New->container.box.corner1, -1.0, -1.0, -1.0);
Make_Vector(New->container.box.corner2, 1.0, 1.0, 1.0);
Make_BBox(New->BBox, -1.0, -1.0, -1.0, 2.0, 2.0, 2.0);
New->Trans = Create_Transform();
New->Function = NULL;
New->accuracy = 0.001;
New->max_trace = 1;
New->cache = false;
New->eval_param[0] = 0.0; // 1.1; // not necessary
New->eval_param[1] = 0.0; // 1.4; // not necessary
New->eval_param[2] = 0.0; // 0.99; // not necessary
New->eval = false;
New->closed = true;
New->Inv3 = 1;
New->container_shape = 0;
New->max_gradient = 1.1;
New->gradient = 0.0;
New->threshold = 0.0;
New->mginfo = (ISO_Max_Gradient *)POV_MALLOC(sizeof(ISO_Max_Gradient), "isosurface max_gradient info");
New->mginfo->refcnt = 1;
New->mginfo->max_gradient = 0.0;
New->mginfo->gradient = 0.0; // not really necessary yet [trf]
New->mginfo->eval_max = 0.0;
New->mginfo->eval_cnt = 0.0;
New->mginfo->eval_gradient_sum = 0.0;
return New;
}
BICUBIC_PATCH *Create_Bicubic_Patch()
{
BICUBIC_PATCH *New;
New = (BICUBIC_PATCH *)POV_MALLOC(sizeof (BICUBIC_PATCH), "bicubic patch");
INIT_OBJECT_FIELDS(New, BICUBIC_PATCH_OBJECT, &Bicubic_Patch_Methods)
New->Patch_Type = - 1;
New->U_Steps = 0;
New->V_Steps = 0;
New->Flatness_Value = 0.0;
New->accuracy = 0.01;
New->Node_Tree = NULL;
New->Weights = NULL;
/*
* NOTE: Control_Points[4][4] is initialized in Parse_Bicubic_Patch.
* Bounding_Sphere_Center,Bounding_Sphere_Radius, Normal_Vector[], and
* IPoint[] are initialized in Precompute_Patch_Values.
*/
/* set the default uv-mapping coordinates */
New->ST[0][U] = 0;
New->ST[0][V] = 0;
New->ST[1][U] = 1;
New->ST[1][V] = 0;
New->ST[2][U] = 1;
New->ST[2][V] = 1;
New->ST[3][U] = 0;
New->ST[3][V] = 1;
return (New);
}
DISC *Create_Disc ()
{
DISC *New;
New = (DISC *)POV_MALLOC(sizeof (DISC), "disc");
INIT_OBJECT_FIELDS(New, DISC_OBJECT, &Disc_Methods)
Make_Vector (New->center, 0.0, 0.0, 0.0);
Make_Vector (New->normal, 0.0, 0.0, 1.0);
New->iradius2 = 0.0;
New->oradius2 = 1.0;
New->d = 0.0;
New->Trans = Create_Transform();
/* Default bounds */
Make_BBox(New->BBox, -1.0, -1.0, -Small_Tolerance, 2.0, 2.0, 2.0 * Small_Tolerance);
return (New);
}
