From 1458560f6dd1fd238f15d06d10761d5e65c48285 Mon Sep 17 00:00:00 2001 From: Ton Roosendaal Date: Sat, 26 Apr 2003 13:07:59 +0000 Subject: The last of the blenkernel files with translated comments --- source/blender/blenkernel/intern/mball.c | 71 +++++++++++--------------------- 1 file changed, 25 insertions(+), 46 deletions(-) (limited to 'source/blender/blenkernel/intern/mball.c') diff --git a/source/blender/blenkernel/intern/mball.c b/source/blender/blenkernel/intern/mball.c index ce9e5f409a1..6d299091e50 100644 --- a/source/blender/blenkernel/intern/mball.c +++ b/source/blender/blenkernel/intern/mball.c @@ -1,13 +1,11 @@ -/* mball.c MIXED MODEL - * - * mei 95 - * +/* mball.c * * - * METABALLS ontstaan vanuit een Object (naam zonder nr), hier zit de DispList en boundbox, - * alle objecten met zelfde naam (en een nr) worden hieraan toegevoegd. + * MetaBalls are created from a single Object (with a name without number in it), + * here the DispList and BoundBox also is located. + * All objects with the same name (but with a number in it) are added to this. * - * De texture coordinaten zitten als loos element in de displist. + * texture coordinates are patched within the displist * * $Id$ * @@ -90,7 +88,7 @@ void unlink_mball(MetaBall *mb) } -/* niet mball zelf vrijgeven */ +/* do not free mball itself */ void free_mball(MetaBall *mb) { @@ -141,10 +139,10 @@ void make_local_mball(MetaBall *mb) Object *ob; MetaBall *mbn; int local=0, lib=0; - - /* - zijn er alleen lib users: niet doen - * - zijn er alleen locale users: flag zetten - * - mixed: copy + + /* - only lib users: do nothing + * - only local users: set flag + * - mixed: make copy */ if(mb->id.lib==0) return; @@ -248,7 +246,7 @@ void make_orco_mball(Object *ob) float loc[3], size[3]; int a; - /* size en loc restoren */ + /* restore size and loc */ bb= ob->bb; loc[0]= (bb->vec[0][0]+bb->vec[4][0])/2.0f; size[0]= bb->vec[4][0]-loc[0]; @@ -300,7 +298,7 @@ Object *find_basis_mball(Object *basis) /* ******************** ARITH ************************* */ -/* DANKBAAR GEBRUIK GEMAAKT VAN (EN COMPLEET VERANDERD) : +/* BASED AT CODE (but mostly rewritten) : * C code from the article * "An Implicit Surface Polygonizer" * by Jules Bloomenthal, jbloom@beauty.gmu.edu @@ -551,7 +549,7 @@ void accum_mballfaces(int i1, int i2, int i3, int i4) cur= indices+4*curindex; - /* voorkomen dat nulcodes voorkomen */ + /* prevent zero codes for faces indices */ if(i3==0) { if(i4) { i3= i4; @@ -585,18 +583,17 @@ struct pgn_elements { void *new_pgn_element(int size) { - /* gedurende het polygonizeren worden duizenden elementen aangemaakt en - * nooit (tussendoor) vrijgegeven. Alleen op eind is vrijgeven nodig. + /* during polygonize 1000s of elements are allocated + * and never freed inbetween. Freeing only done at the end. */ int blocksize= 16384; - static int offs= 0; /* het huidige vrije adres */ + static int offs= 0; /* the current free address */ static struct pgn_elements *cur= 0; static ListBase lb= {0, 0}; void *adr; if(size>10000 || size==0) { printf("incorrect use of new_pgn_element\n"); - /* exit(0); */ } else if(size== -1) { cur= lb.first; @@ -740,9 +737,6 @@ void docube(CUBE *cube, PROCESS *p) * and add new cube to cube stack */ void testface(int i, int j, int k, CUBE* old, int bit, int c1, int c2, int c3, int c4, PROCESS *p) -/* CUBE *old; */ -/* PROCESS *p; */ -/* int i, j, k, bit, c1, c2, c3, c4; */ { CUBE newc; CUBES *oldcubes = p->cubes; @@ -794,14 +788,12 @@ void testface(int i, int j, int k, CUBE* old, int bit, int c1, int c2, int c3, i set (and cache) its function value */ CORNER *setcorner (PROCESS* p, int i, int j, int k) -/* int i, j, k; */ -/* PROCESS *p; */ { /* for speed, do corner value caching here */ CORNER *c; int index; - /* bestaat corner al? */ + /* does corner exist? */ index = HASH(i, j, k); c = p->corners[index]; @@ -865,7 +857,6 @@ int nextcwedge (int edge, int face) /* otherface: return face adjoining edge that is not the given face */ int otherface (int edge, int face) -/* int edge, face; */ { int other = leftface[edge]; return face == other? rightface[edge] : other; @@ -946,8 +937,6 @@ void BKE_freecubetable(void) * return 1 if already set; otherwise, set and return 0 */ int setcenter(CENTERLIST *table[], int i, int j, int k) -/* CENTERLIST *table[]; */ -/* int i, j, k; */ { int index; CENTERLIST *newc, *l, *q; @@ -977,8 +966,6 @@ void setedge (EDGELIST *table[], int k1, int i2, int j2, int k2, int vid) -/* EDGELIST *table[]; */ -/* int i1, j1, k1, i2, j2, k2, vid; */ { unsigned int index; EDGELIST *newe; @@ -1013,8 +1000,6 @@ void setedge (EDGELIST *table[], int getedge (EDGELIST *table[], int i1, int j1, int k1, int i2, int j2, int k2) -/* EDGELIST *table[]; */ -/* int i1, j1, k1, i2, j2, k2; */ { EDGELIST *q; @@ -1051,8 +1036,6 @@ int getedge (EDGELIST *table[], /* addtovertices: add v to sequence of vertices */ void addtovertices (VERTICES *vertices, VERTEX v) -/* VERTICES *vertices; */ -/* VERTEX v; */ { if (vertices->count == vertices->max) { int i; @@ -1071,8 +1054,6 @@ void addtovertices (VERTICES *vertices, VERTEX v) /* vnormal: compute unit length surface normal at point */ void vnormal (MB_POINT *point, PROCESS *p, MB_POINT *v) -/* MB_POINT *point, *v; */ -/* PROCESS *p; */ { float delta= 0.2f*p->delta; float f = p->function(point->x, point->y, point->z); @@ -1124,8 +1105,6 @@ void vnormal (MB_POINT *point, PROCESS *p, MB_POINT *v) int vertid (CORNER *c1, CORNER *c2, PROCESS *p) -/* CORNER *c1, *c2; */ -/* PROCESS *p; */ { VERTEX v; MB_POINT a, b; @@ -1226,14 +1205,14 @@ void polygonize(PROCESS *mbproc) converge(&in, &out, -1.0, mbproc->function, &mbproc->start); - /* NEW1: zorg voor correcte uitgangspositie */ + /* NEW1: make sure correct starting position */ i= (int)floor(mbproc->start.x/mbproc->size ); j= (int)floor(mbproc->start.y/mbproc->size ); k= (int)floor(mbproc->start.z/mbproc->size ); mbproc->start.x= mbproc->start.y= mbproc->start.z= 0.0; -/* dit gaat niet altijd goed: soms wordt een bal niet gevonden. waarom? */ +/* but it doesn't always work, sometimes it doesn't see a ball, but why? (ton) */ /* test if cube has been found before */ if( setcenter(mbproc->centers, i, j, k)==0 ) { @@ -1368,7 +1347,7 @@ float init_meta(Object *ob) /* return totsize */ splitIDname(ob->id.name+2, obname, &obnr); - /* hoofdarray maken */ + /* make main array */ next_object(0, 0, 0); while(next_object(1, &base, &bob)) { @@ -1395,7 +1374,7 @@ float init_meta(Object *ob) /* return totsize */ ml= editelems.first; else ml= mb->elems.first; - /* mat is de matrix om van deze mball in de basis-mbal te komen */ + /* mat is the matrix to transform from mball into the basis-mbal */ mat= new_pgn_element(4*4*sizeof(float)); Mat4MulMat4(mat, bob->obmat, obinv); @@ -1407,7 +1386,7 @@ float init_meta(Object *ob) /* return totsize */ while(ml && totelemrendersize; else { width= mb->wiresize; if(G.moving && mb->flag==MB_UPDATE_HALFRES) width*= 2; } - /* nr_cubes is voor de veiligheid, minmaal de totsize */ + /* nr_cubes is just for safety, minimum is totsize */ nr_cubes= (int)(0.5+totsize/width); /* init process */ -- cgit v1.2.3