[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [17238] branches/sim_physics/source/ blender: * Added a new turbulence type: Time.
Matt Ebb
matt at mke3.net
Fri Oct 31 06:29:54 CET 2008
Revision: 17238
http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=17238
Author: broken
Date: 2008-10-31 06:29:54 +0100 (Fri, 31 Oct 2008)
Log Message:
-----------
* Added a new turbulence type: Time. It's not entirely well tested, but so far working ok. It's smoother looking than 'velocity' but may need more in depth investigation.
Modified Paths:
--------------
branches/sim_physics/source/blender/render/intern/source/pointdensity.c
branches/sim_physics/source/blender/render/intern/source/texture.c
branches/sim_physics/source/blender/src/buttons_shading.c
Modified: branches/sim_physics/source/blender/render/intern/source/pointdensity.c
===================================================================
--- branches/sim_physics/source/blender/render/intern/source/pointdensity.c 2008-10-31 04:50:38 UTC (rev 17237)
+++ branches/sim_physics/source/blender/render/intern/source/pointdensity.c 2008-10-31 05:29:54 UTC (rev 17238)
@@ -35,6 +35,7 @@
#include "BKE_DerivedMesh.h"
#include "BKE_global.h"
+#include "BKE_lattice.h"
#include "BKE_main.h"
#include "BKE_object.h"
#include "BKE_particle.h"
@@ -56,12 +57,12 @@
float partco[3];
float obview[4][4];
- /* init crap */
+ /* init everything */
if (!psys || !ob || !pd) return;
Mat4MulMat4(obview, re->viewinv, ob->obmat);
- /* Just to create a valid rendering context */
+ /* Just to create a valid rendering context for particles */
psys_render_set(ob, psys, re->viewmat, re->winmat, re->winx, re->winy, 0);
dm = mesh_create_derived_render(ob,CD_MASK_BAREMESH|CD_MASK_MTFACE|CD_MASK_MCOL);
@@ -79,8 +80,10 @@
pd->point_tree = BLI_bvhtree_new(total_particles, 0.0, 4, 6);
- if (pd->noise_influence != TEX_PD_NOISE_STATIC)
- pd->point_data = MEM_mallocN(sizeof(float)*3*total_particles, "point_data");
+ if (pd->noise_influence == TEX_PD_NOISE_VEL)
+ pd->point_data = MEM_mallocN(sizeof(float)*3*total_particles, "velocity point data");
+ else if (pd->noise_influence == TEX_PD_NOISE_TIME)
+ pd->point_data = MEM_mallocN(sizeof(float)*total_particles, "time point data");
if (psys->totchild > 0 && !(psys->part->draw & PART_DRAW_PARENT))
childexists = 1;
@@ -108,6 +111,8 @@
pd->point_data[i*3 + 0] = state.vel[0];
pd->point_data[i*3 + 1] = state.vel[1];
pd->point_data[i*3 + 2] = state.vel[2];
+ } else if (pd->noise_influence == TEX_PD_NOISE_TIME) {
+ pd->point_data[i] = state.time;
}
}
}
@@ -256,7 +261,9 @@
float *point_data;
float *vec;
float softness;
- short falloff_type;
+ short falloff_type;
+ short noise_influence;
+ float *time;
} PointDensityRangeData;
void accum_density(void *userdata, int index, float squared_dist)
@@ -277,10 +284,14 @@
density = sqrt(dist);
if (pdr->point_data) {
- pdr->vec[0] += pdr->point_data[index*3 + 0];// * density;
- pdr->vec[1] += pdr->point_data[index*3 + 1];// * density;
- pdr->vec[2] += pdr->point_data[index*3 + 2];// * density;
- }
+ if (pdr->noise_influence == TEX_PD_NOISE_VEL) {
+ pdr->vec[0] += pdr->point_data[index*3 + 0];// * density;
+ pdr->vec[1] += pdr->point_data[index*3 + 1];// * density;
+ pdr->vec[2] += pdr->point_data[index*3 + 2];// * density;
+ } else if (pdr->noise_influence == TEX_PD_NOISE_TIME) {
+ *pdr->time += pdr->point_data[index]; // * density;
+ }
+ }
*pdr->density += density;
}
@@ -288,12 +299,13 @@
#define MAX_POINTS_NEAREST 25
int pointdensitytex(Tex *tex, float *texvec, TexResult *texres)
{
- int rv = TEX_INT;
+ int retval = TEX_INT;
PointDensity *pd = tex->pd;
PointDensityRangeData pdr;
- float density=0.0f;
+ float density=0.0f, time=0.0f;
float vec[3] = {0.0, 0.0, 0.0};
float tv[3];
+ float co[3];
float turb, noise_fac;
if ((!pd) || (!pd->point_tree)) {
@@ -306,54 +318,53 @@
pdr.point_data = pd->point_data;
pdr.falloff_type = pd->falloff_type;
pdr.vec = vec;
+ pdr.time = &time;
pdr.softness = pd->falloff_softness;
+ pdr.noise_influence = pd->noise_influence;
noise_fac = pd->noise_fac * 0.5f; /* better default */
+ VECCOPY(co, texvec);
+
if (pd->flag & TEX_PD_TURBULENCE) {
- VECCOPY(tv, texvec);
+ retval |= TEX_RGB;
- /* find the average speed vectors, for perturbing final density lookup with */
- BLI_bvhtree_range_query(pd->point_tree, texvec, pd->radius, accum_density, &pdr);
+ if (ELEM(pd->noise_influence, TEX_PD_NOISE_VEL, TEX_PD_NOISE_TIME)) {
+ /* find the average speed vectors or particle time,
+ * for perturbing final density lookup with */
+ BLI_bvhtree_range_query(pd->point_tree, co, pd->radius, accum_density, &pdr);
+ density = 0.0f;
+
+ if (pd->noise_influence == TEX_PD_NOISE_TIME)
+ vec[0] = vec[1] = vec[2] = time;
+
+ Normalize(vec);
+ }
- density = 0.0f;
- Normalize(vec);
-
turb = BLI_turbulence(pd->noise_size, texvec[0]+vec[0], texvec[1]+vec[1], texvec[2]+vec[2], pd->noise_depth);
-
turb -= 0.5f; /* re-center 0.0-1.0 range around 0 to prevent offsetting result */
- tv[0] = texvec[0] + noise_fac * turb;
- tv[1] = texvec[1] + noise_fac * turb;
- tv[2] = texvec[2] + noise_fac * turb;
-
- /* do density lookup with altered coordinates */
- BLI_bvhtree_range_query(pd->point_tree, tv, pd->radius, accum_density, &pdr);
+ /* now we have an offset coordinate to use for the density lookup */
+ co[0] = texvec[0] + noise_fac * turb;
+ co[1] = texvec[1] + noise_fac * turb;
+ co[2] = texvec[2] + noise_fac * turb;
}
- else
- BLI_bvhtree_range_query(pd->point_tree, texvec, pd->radius, accum_density, &pdr);
+
+ BLI_bvhtree_range_query(pd->point_tree, co, pd->radius, accum_density, &pdr);
texres->tin = density;
-
-
-
BRICONT;
- return TEX_INT;
-
- /*
texres->tr = vec[0];
texres->tg = vec[1];
texres->tb = vec[2];
+ texres->ta = density;
BRICONTRGB;
- texres->ta = 1.0;
+ return retval;
+ /*
if (texres->nor!=NULL) {
texres->nor[0] = texres->nor[1] = texres->nor[2] = 0.0f;
}
*/
-
- //BRICONT;
-
- //return rv;
}
Modified: branches/sim_physics/source/blender/render/intern/source/texture.c
===================================================================
--- branches/sim_physics/source/blender/render/intern/source/texture.c 2008-10-31 04:50:38 UTC (rev 17237)
+++ branches/sim_physics/source/blender/render/intern/source/texture.c 2008-10-31 05:29:54 UTC (rev 17238)
@@ -1565,17 +1565,15 @@
/* stencil maps on the texture control slider, not texture intensity value */
colfac= mtex->colfac*stencilTin;
- tcol[0]=texres.tr; tcol[1]=texres.tg; tcol[2]=texres.tb;
-
if((rgbnor & TEX_RGB)==0) {
tcol[0]= mtex->r;
tcol[1]= mtex->g;
tcol[2]= mtex->b;
+ } else {
+ tcol[0]=texres.tr;
+ tcol[1]=texres.tg;
+ tcol[2]=texres.tb;
}
- else if(mtex->mapto & MAP_ALPHA) {
- texres.tin= stencilTin;
- }
- else texres.tin= texres.ta;
if((mapto_flag & MAP_COL) && (mtex->mapto & MAP_COL)) {
texture_rgb_blend(col, tcol, col, texres.tin, colfac, mtex->blendtype);
@@ -1591,7 +1589,8 @@
/* stencil maps on the texture control slider, not texture intensity value */
float varfac= mtex->varfac*stencilTin;
- if(rgbnor & TEX_RGB) {
+ /* convert RGB to intensity if intensity info isn't provided */
+ if((rgbnor & TEX_RGB) && !(rgbnor & TEX_INT)) {
if(texres.talpha) texres.tin= texres.ta;
else texres.tin= (0.35*texres.tr+0.45*texres.tg+0.2*texres.tb);
}
Modified: branches/sim_physics/source/blender/src/buttons_shading.c
===================================================================
--- branches/sim_physics/source/blender/src/buttons_shading.c 2008-10-31 04:50:38 UTC (rev 17237)
+++ branches/sim_physics/source/blender/src/buttons_shading.c 2008-10-31 05:29:54 UTC (rev 17238)
@@ -788,7 +788,7 @@
yco -= YSPACE;
if (pd->source == TEX_PD_PSYS) {
- uiDefButS(block, MENU, B_REDR, "Noise Influence %t|Static %x0|Velocity %x1",
+ uiDefButS(block, MENU, B_REDR, "Noise Influence %t|Static %x0|Velocity %x1|Time %x2",
X2CLM1, yco-=BUTH, BUTW2, BUTH, &(pd->noise_influence), 0.0, 0.0, 0, 0, "Noise Influence");
}
}
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