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fixed: merging different metaball objects. Commit by Paco García (jfGarcia)

This commit is contained in:
Maurice Raybaud 2017-05-23 21:51:08 +02:00
parent 7cb9d80af6
commit eecdf5a4f9
1 changed files with 57 additions and 3 deletions
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60
render_povray/render.py
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@ -1591,8 +1591,61 @@ def write_pov(filename, scene=None, info_callback=None):
if comments and len(metas) >= 1:
file.write("//--Blob objects--\n\n")
# jfGarcia: get groups of metaballs by blender name prefix
metaG = {}
metaElems = {}
for ob in metas:
prefix = ob.name.split(".")[0]
if not prefix in metaG:
metaG[prefix] = ob #.data.threshold
elems=[(elem,ob) for elem in ob.data.elements if elem.type in {'BALL', 'ELLIPSOID'}]
if prefix in metaElems:
metaElems[prefix].extend(elems)
else:
metaElems[prefix] = elems
for mg in metaG:
tabWrite("blob{threshold %.4g // %s \n" % (metaG[mg].data.threshold, mg))
ob = metaG[mg]
for elems in metaElems[mg]:
elem=elems[0]
loc = elem.co
stiffness = elem.stiffness
if elem.use_negative:
stiffness = - stiffness
if elem.type == 'BALL':
tabWrite("sphere { <%.6g, %.6g, %.6g>, %.4g, %.4g " % \
(loc.x, loc.y, loc.z, elem.radius, stiffness))
elif elem.type == 'ELLIPSOID':
tabWrite("sphere{ <%.6g, %.6g, %.6g>,%.4g,%.4g " % (loc.x / elem.size_x, loc.y / elem.size_y, loc.z / elem.size_z, elem.radius, stiffness))
tabWrite("scale <%.6g, %.6g, %.6g>" % (elem.size_x, elem.size_y, elem.size_z))
writeMatrix(global_matrix * elems[1].matrix_world)
tabWrite("}\n")
try:
material = elems[1].data.materials[0] # lame! - blender cant do enything else.
except:
material = None
if material:
diffuse_color = material.diffuse_color
trans = 1.0 - material.alpha
if material.use_transparency and material.transparency_method == 'RAYTRACE':
povFilter = material.raytrace_transparency.filter * (1.0 - material.alpha)
trans = (1.0 - material.alpha) - povFilter
else:
povFilter = 0.0
material_finish = materialNames[material.name]
tabWrite("pigment {rgbft<%.3g, %.3g, %.3g, %.3g, %.3g>} \n" % \
(diffuse_color[0], diffuse_color[1], diffuse_color[2],
povFilter, trans))
tabWrite("finish{%s} " % safety(material_finish, Level=2))
else:
tabWrite("pigment{rgb 1} finish{%s} " % (safety(DEF_MAT_NAME, Level=2)))
#writeObjectMaterial(material, ob)
writeObjectMaterial(material, elems[1])
tabWrite("radiosity{importance %3g}\n" % metaG[mg].pov.importance_value)
tabWrite("}\n") # End of Metaball block
meta = ob.data
# important because no elements will break parsing.
@ -1649,15 +1702,16 @@ def write_pov(filename, scene=None, info_callback=None):
tabWrite("finish {%s}\n" % safety(material_finish, Level=2))
else:
tabWrite("pigment {rgb<1 1 1>} \n")
tabWrite("pigment {rgb 1} \n")
# Write the finish last.
tabWrite("finish {%s}\n" % (safety(DEF_MAT_NAME, Level=2)))
writeObjectMaterial(material, ob)
writeObjectMaterial(material, elems[1])
writeMatrix(global_matrix * ob.matrix_world)
# Importance for radiosity sampling added here
tabWrite("radiosity { \n")
# jfGarcia importance > metaG[mg].pov.importance_value
tabWrite("importance %3g \n" % importance)
tabWrite("}\n")