Welcome to mirror list, hosted at ThFree Co, Russian Federation.

git.blender.org/blender.git - Unnamed repository; edit this file 'description' to name the repository.
summaryrefslogtreecommitdiff
path: root/source/blender/radiosity/intern/source/radfactors.c
diff options
context:
space:
mode:
Diffstat (limited to 'source/blender/radiosity/intern/source/radfactors.c')
-rw-r--r--source/blender/radiosity/intern/source/radfactors.c58
1 files changed, 24 insertions, 34 deletions
diff --git a/source/blender/radiosity/intern/source/radfactors.c b/source/blender/radiosity/intern/source/radfactors.c
index 1111593de5b..d0b6a7752a9 100644
--- a/source/blender/radiosity/intern/source/radfactors.c
+++ b/source/blender/radiosity/intern/source/radfactors.c
@@ -69,18 +69,18 @@ RadView hemitop, hemiside;
float calcStokefactor(RPatch *shoot, RPatch *rp, RNode *rn, float *area)
{
float tvec[3], fac;
- float vec[4][3]; /* vectoren van shootcent naar vertices rp */
- float cross[4][3]; /* uitprodukten hiervan */
- float rad[4]; /* hoeken tussen vecs */
+ float vec[4][3]; /* vectors of shoot->cent to vertices rp */
+ float cross[4][3]; /* cross products of this */
+ float rad[4]; /* anlgles between vecs */
- /* test op richting */
+ /* test for direction */
VecSubf(tvec, shoot->cent, rp->cent);
if( tvec[0]*shoot->norm[0]+ tvec[1]*shoot->norm[1]+ tvec[2]*shoot->norm[2]>0.0)
return 0.0;
if(rp->type==4) {
- /* hoekvectors */
+ /* corner vectors */
VecSubf(vec[0], shoot->cent, rn->v1);
VecSubf(vec[1], shoot->cent, rn->v2);
VecSubf(vec[2], shoot->cent, rn->v3);
@@ -91,7 +91,7 @@ float calcStokefactor(RPatch *shoot, RPatch *rp, RNode *rn, float *area)
Normalise(vec[2]);
Normalise(vec[3]);
- /* uitprod */
+ /* cross product */
Crossf(cross[0], vec[0], vec[1]);
Crossf(cross[1], vec[1], vec[2]);
Crossf(cross[2], vec[2], vec[3]);
@@ -101,7 +101,7 @@ float calcStokefactor(RPatch *shoot, RPatch *rp, RNode *rn, float *area)
Normalise(cross[2]);
Normalise(cross[3]);
- /* hoeken */
+ /* angles */
rad[0]= vec[0][0]*vec[1][0]+ vec[0][1]*vec[1][1]+ vec[0][2]*vec[1][2];
rad[1]= vec[1][0]*vec[2][0]+ vec[1][1]*vec[2][1]+ vec[1][2]*vec[2][2];
rad[2]= vec[2][0]*vec[3][0]+ vec[2][1]*vec[3][1]+ vec[2][2]*vec[3][2];
@@ -112,7 +112,7 @@ float calcStokefactor(RPatch *shoot, RPatch *rp, RNode *rn, float *area)
rad[2]= acos(rad[2]);
rad[3]= acos(rad[3]);
- /* Stoke formule */
+ /* Stoke formula */
VecMulf(cross[0], rad[0]);
VecMulf(cross[1], rad[1]);
VecMulf(cross[2], rad[2]);
@@ -125,7 +125,7 @@ float calcStokefactor(RPatch *shoot, RPatch *rp, RNode *rn, float *area)
fac+= tvec[0]*cross[3][0]+ tvec[1]*cross[3][1]+ tvec[2]*cross[3][2];
}
else {
- /* hoekvectors */
+ /* corner vectors */
VecSubf(vec[0], shoot->cent, rn->v1);
VecSubf(vec[1], shoot->cent, rn->v2);
VecSubf(vec[2], shoot->cent, rn->v3);
@@ -134,7 +134,7 @@ float calcStokefactor(RPatch *shoot, RPatch *rp, RNode *rn, float *area)
Normalise(vec[1]);
Normalise(vec[2]);
- /* uitprod */
+ /* cross product */
Crossf(cross[0], vec[0], vec[1]);
Crossf(cross[1], vec[1], vec[2]);
Crossf(cross[2], vec[2], vec[0]);
@@ -142,7 +142,7 @@ float calcStokefactor(RPatch *shoot, RPatch *rp, RNode *rn, float *area)
Normalise(cross[1]);
Normalise(cross[2]);
- /* hoeken */
+ /* angles */
rad[0]= vec[0][0]*vec[1][0]+ vec[0][1]*vec[1][1]+ vec[0][2]*vec[1][2];
rad[1]= vec[1][0]*vec[2][0]+ vec[1][1]*vec[2][1]+ vec[1][2]*vec[2][2];
rad[2]= vec[2][0]*vec[0][0]+ vec[2][1]*vec[0][1]+ vec[2][2]*vec[0][2];
@@ -151,7 +151,7 @@ float calcStokefactor(RPatch *shoot, RPatch *rp, RNode *rn, float *area)
rad[1]= acos(rad[1]);
rad[2]= acos(rad[2]);
- /* Stoke formule */
+ /* Stoke formula */
VecMulf(cross[0], rad[0]);
VecMulf(cross[1], rad[1]);
VecMulf(cross[2], rad[2]);
@@ -228,8 +228,8 @@ void calcSidefactors()
void initradiosity()
{
- /* alloceert en maakt LUTs voor top/side factors */
- /* alloceert en maakt index array */
+ /* allocates and makes LUTs for top/side factors */
+ /* allocates and makes index array */
int a, hres2;
if(RG.topfactors) MEM_freeN(RG.topfactors);
@@ -261,7 +261,7 @@ void rad_make_hocos(RadView *vw)
/* } */
}
-void rad_setmatrices(RadView *vw) /* voor hemi's */
+void rad_setmatrices(RadView *vw) /* for hemi's */
{
float up1[3], len, twist;
@@ -292,7 +292,7 @@ void hemizbuf(RadView *vw)
rad_setmatrices(vw);
RE_zbufferall_radio(vw, RG.elem, RG.totelem);
- /* factors tellen */
+ /* count factors */
if(vw->recty==vw->rectx) factors= RG.topfactors;
else factors= RG.sidefactors;
hres= RG.hemires/2;
@@ -730,13 +730,13 @@ void subdivideshootElements(int it)
if(blender_test_break()) break;
}
- /* test op extreem weinig kleurverloop binnen patch met subdivflag */
+ /* test for extreme small color change within a patch with subdivflag */
rp= RG.patchbase.first;
while(rp) {
- if(rp->f & RAD_SUBDIV) { /* rp heeft elems die moet gesubd */
- /* minstens 4 levels diep */
+ if(rp->f & RAD_SUBDIV) { /* rp has elems that need subdiv */
+ /* at least 4 levels deep */
rn= rp->first->down1;
if(rn) {
rn= rn->down1;
@@ -748,13 +748,13 @@ void subdivideshootElements(int it)
if(rn) {
min[0]= min[1]= min[2]= 1.0e10;
max[0]= max[1]= max[2]= -1.0e10;
- /* errmin en max zijn de gefilterde kleuren */
+ /* errmin and max are the filtered colors */
errmin[0]= errmin[1]= errmin[2]= 1.0e10;
errmax[0]= errmax[1]= errmax[2]= -1.0e10;
minmaxradelemfilt(rp->first, min, max, errmin, errmax);
- /* verschil tussen kleuren klein: toch maar niet subd */
- /* test ook voor de gefilterde: maar kritischer */
+ /* if small difference between colors: no subdiv */
+ /* also test for the filtered ones: but with higher critical level */
contin= 0;
a= abs( calculatecolor(min[0])-calculatecolor(max[0]));
@@ -837,7 +837,7 @@ void subdivideshootPatches(int it)
stoke= calcStokefactor(shoot, rp, rp->first, &area);
if(stoke!= 0.0) {
- if(area>.1) { /* ontvangt patch meer dan (ong)10% van energie? */
+ if(area>.1) { /* does patch receive more than (about)10% of energy? */
rp->f= RAD_SUBDIV;
}
else {
@@ -853,16 +853,6 @@ void subdivideshootPatches(int it)
rp->f= RAD_SUBDIV;
- /* if(get_qual()&LR_SHIFTKEY);
- else {
- drawpatch_ext(rp, 0xFF77FF);
-
- printf("Pa hemi %f stoke %f err %f area %f\n", *fp, stoke, err, area);
-
- while(get_mbut()&L_MOUSE==0);
- while(get_mbut()&L_MOUSE);
- }
- */
}
}
}
@@ -919,7 +909,7 @@ void inithemiwindows()
{
RadView *vw;
- /* de hemiwindows */
+ /* the hemiwindows */
vw= &(hemitop);
memset(vw, 0, sizeof(RadView));
vw->rectx= RG.hemires;
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-08 15:54:32 +0300