forked from bartvdbraak/blender
Scripts:
- Campbell Barton updated his obj exporter and skin (bridge/skin/loft) scripts. Thanks.
This commit is contained in:
Willian Padovani Germano
parent
e5b527c629
commit
de567cd0cc
@ -2,7 +2,7 @@
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"""
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Name: 'Wavefront (.obj)...'
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Blender: 237
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Blender: 232
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Group: 'Export'
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Tooltip: 'Save a Wavefront OBJ File'
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"""
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@ -56,37 +56,20 @@ NULL_IMG = '(null)' # from docs at http://astronomy.swin.edu.au/~pbourke/geomfor
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def save_mtl(filename):
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file = open(filename, "w")
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file.write('# Blender MTL File: %s\n' % (Get('filename')))
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for mat in Material.Get():
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file.write('newmtl %s\n' % (mat.getName())) # Define a new material
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# Hardness, convert blenders 1-511 to MTL's
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file.write('Ns %s\n' % ((mat.getHardness()-1) * 1.9607843137254901 ) )
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col = mat.getRGBCol()
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# Diffuse
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file.write('Kd %s %s %s\n' % (col[0], col[1], col[2]))
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col = mat.getMirCol()
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# Ambient, uses mirror colour,
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file.write('Ka %s %s %s\n' % (col[0], col[1], col[2]))
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col = mat.getSpecCol()
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# Specular
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file.write('Ks %s %s %s\n' % (col[0],col[1], col[2]))
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# Alpha (dissolve)
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file.write('d %s\n' % (mat.getAlpha()))
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file.write('Ns %s\n' % ((mat.getHardness()-1) * 1.9607843137254901 ) ) # Hardness, convert blenders 1-511 to MTL's
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file.write('Kd %.6f %.6f %.6f\n' % tuple(mat.getRGBCol())) # Diffuse
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file.write('Ka %.6f %.6f %.6f\n' % tuple(mat.getMirCol())) # Ambient, uses mirror colour,
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file.write('Ks %.6f %.6f %.6f\n' % tuple(mat.getSpecCol())) # Specular
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file.write('d %.6f\n' % mat.getAlpha()) # Alpha (obj uses 'd' for dissolve)
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# illum, 0 to disable lightng, 2 is normal.
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if mat.getMode() & Material.Modes['SHADELESS']:
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file.write('illum 0\n') # ignore lighting
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file.write('illum 0\n\n') # ignore lighting
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else:
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file.write('illum 2\n') # light normaly
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# End OF Mat
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file.write('\n') # new line
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file.write('illum 2\n\n') # light normaly
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file.close()
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def save_obj(filename):
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@ -126,24 +109,20 @@ def save_obj(filename):
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# Vert
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for v in m.verts:
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file.write('v %s %s %s\n' % (v.co.x, v.co.y, v.co.z))
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file.write('v %.6f %.6f %.6f\n' % tuple(v.co))
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# UV
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for f in m.faces:
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''' # Export edges?
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if len(f.v) < 3:
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continue
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'''
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for uvIdx in range(len(f.v)):
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if f.uv:
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file.write('vt %s %s 0.0\n' % (f.uv[uvIdx][0], f.uv[uvIdx][1]))
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file.write('vt %.6f %.6f 0.0\n' % f.uv[uvIdx])
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else:
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file.write('vt 0.0 0.0 0.0\n')
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# NORMAL
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for f1 in m.faces:
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for v in f1.v:
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file.write('vn %s %s %s\n' % (v.no.x, v.no.y, v.no.z))
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for f in m.faces:
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for v in f.v:
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file.write('vn %.6f %.6f %.6f\n' % tuple(v.no))
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uvIdx = 0
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for f in m.faces:
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@ -172,7 +151,7 @@ def save_obj(filename):
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file.write('f ')
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for v in f.v:
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file.write( '%s/%s/%s ' % (m.verts.index(v) + totverts+1, uvIdx+totuvco+1, uvIdx+totuvco+1))
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file.write( '%s/%s/%s ' % (v.index + totverts+1, uvIdx+totuvco+1, uvIdx+totuvco+1))
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uvIdx+=1
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file.write('\n')
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@ -181,6 +160,6 @@ def save_obj(filename):
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totverts += len(m.verts)
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totuvco += uvIdx
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file.close()
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print "obj export time: ", sys.time() - time1
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print "obj export time: %.2f" % (sys.time() - time1)
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Window.FileSelector(save_obj, 'Export Wavefront OBJ', newFName('obj'))
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@ -1,19 +1,15 @@
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#!BPY
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"""
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Name: 'Skin Two Vert-loops / Loft Multiple'
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Name: 'Bridge/Skin/Loft'
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Blender: 234
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Group: 'Mesh'
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Submenu: 'Loft-loop - shortest edge method' A1
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Submenu: 'Loft-loop - even method' A2
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Submenu: 'Loft-segment - shortest edge' B1
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Submenu: 'Loft-segment - even method' B2
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Tooltip: 'Select 2 or more vert loops, then run this script'
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"""
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__author__ = "Campbell Barton"
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__url__ = ["blender", "elysiun"]
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__version__ = "1.0 2004/04/25"
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__author__ = "Campbell Barton AKA Ideasman"
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__url__ = ["http://members.iinet.net.au/~cpbarton/ideasman/", "blender", "elysiun"]
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__version__ = "1.1 2005/06/13"
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__bpydoc__ = """\
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With this script vertex loops can be skinned: faces are created to connect the
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@ -23,7 +19,11 @@ Usage:
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In mesh Edit mode select the vertices of the loops (closed paths / curves of
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vertices: circles, for example) that should be skinned, then run this script.
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A pop-up will provide further options, if the results of a method are not adequate try one of the others.
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A pop-up will provide further options.
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Notes:
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If the results of a method chosen from the pop-up are not adequate, undo and try one of the others.
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"""
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@ -59,7 +59,23 @@ import Blender
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from Blender import *
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import math
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from math import *
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arg = __script__['arg']
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choice = Draw.PupMenu(\
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'Loft-loop - shortest edge method|\
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Loft-loop - even method|\
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Loft-segment - shortest edge|\
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Loft-segment - even method')
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if choice == 1:
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arg='A1'
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elif choice == 2:
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arg='A2'
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elif choice == 3:
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arg='B1'
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elif choice == 4:
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arg='B2'
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#================#
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@ -80,7 +96,7 @@ def clamp(max, number):
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# List func that takes the last item and adds it to the front #
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#=============================================================#
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def listRotate(ls):
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return [ls[-1]] + ls[:-1]
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ls.append(ls.pop(0))
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#=================================================================#
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# Recieve a list of locs: [x,y,z] and return the average location #
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@ -134,22 +150,26 @@ def selVertBetween2Faces(face1, face2):
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# Measure the total distance between all the edges in #
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# 2 vertex loops #
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#=======================================================#
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def measureVloop(mesh, v1loop, v2loop, surplusFaces):
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def measureVloop(mesh, v1loop, v2loop, surplusFaces, bestSoFar):
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totalDist = 0
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# Rotate the vertloops to cycle through each pair.
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# of faces to compate the distance between the 2 poins
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for ii in range(len(v1loop)):
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if ii not in surplusFaces:
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V1 = selVertBetween2Faces(mesh.faces[v1loop[0]], mesh.faces[v1loop[1]])
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V2 = selVertBetween2Faces(mesh.faces[v2loop[0]], mesh.faces[v2loop[1]])
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# Clamp
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v2clampii = ii
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while v2clampii >= len(v2loop):
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v2clampii -= len(v2loop)
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print v2clampii
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P1 = (V1[0],V1[1],V1[2])
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P2 = (V2[0],V2[1],V2[2])
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V1 = selVertBetween2Faces(mesh.faces[v1loop[ii-1]], mesh.faces[v1loop[ii]])
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V2 = selVertBetween2Faces(mesh.faces[v2loop[v2clampii-1]], mesh.faces[v2loop[v2clampii]])
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totalDist += measure(P1,P2)
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v1loop = listRotate(v1loop)
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v2loop = listRotate(v2loop)
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totalDist += measure(V1, V2)
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# Bail out early if not an improvement on previously measured.
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if bestSoFar != None and totalDist > bestSoFar:
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return totalDist
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#selVertBetween2Faces(mesh.faces[v2loop[0]], mesh.faces[v2loop[1]])
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return totalDist
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@ -192,7 +212,7 @@ def skinVertLoops(mesh, v1loop, v2loop):
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# Work out if the vert loops are equel or not, if not remove the extra faces from the larger
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surplusFaces = []
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tempv1loop = eval(str(v1loop)) # strip faces off this one, use it to keep track of which we have taken faces from.
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tempv1loop = v1loop[:] # strip faces off this one, use it to keep track of which we have taken faces from.
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if len(v1loop) > len(v2loop):
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# Even face method.
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@ -348,24 +368,19 @@ def optimizeLoopOrded(mesh, v1loop, v2loop):
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for ii in range(len(v1loop)):
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# Loop twice , Once for the forward test, and another for the revearsed
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for iii in [0, 0]:
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dist = measureVloop(mesh, v1loop, v2loop)
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for iii in [None, None]:
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dist = measureVloop(mesh, v1loop, v2loop, bestSoFar)
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# Initialize the Best distance recorded
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if bestSoFar == None:
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if bestSoFar == None or dist < bestSoFar:
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bestSoFar = dist
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bestv2Loop = eval(str(v2loop))
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elif dist < bestSoFar: # Update the info if a better vloop rotation is found.
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bestSoFar = dist
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bestv2Loop = eval(str(v2loop))
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bestv2Loop = v2loop[:]
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# We might have got the vert loop backwards, try the other way
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v2loop.reverse()
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v2loop = listRotate(v2loop)
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listRotate(v2loop)
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return bestv2Loop
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#================================================================#
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# Now we work out the optimum order to 'skin' the 2 vert loops #
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# by measuring the total distance of all edges created, #
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@ -381,29 +396,23 @@ def optimizeLoopOrdedShortEdge(mesh, v1loop, v2loop, surplusFaces):
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for ii in range(len(v2loop)):
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# Loop twice , Once for the forward test, and another for the revearsed
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for iii in [0, 0]:
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dist = measureVloop(mesh, v1loop, v2loop, surplusFaces)
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for iii in [None, None]:
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dist = measureVloop(mesh, v1loop, v2loop, surplusFaces, bestSoFar)
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print 'dist', dist
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# Initialize the Best distance recorded
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if bestSoFar == None:
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if bestSoFar == None or dist < bestSoFar:
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bestSoFar = dist
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bestv2Loop = eval(str(v2loop))
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bestv2Loop = v2loop[:]
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elif dist < bestSoFar: # Update the info if a better vloop rotation is found.
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bestSoFar = dist
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bestv2Loop = eval(str(v2loop))
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# We might have got the vert loop backwards, try the other way
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v2loop.reverse()
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v2loop = listRotate(v2loop)
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#v2loop = listRotate(v2loop)
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listRotate(v2loop)
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print 'best so far ', bestSoFar
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return bestv2Loop
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#==============================#
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# Find our vert loop list #
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#==============================#
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@ -511,13 +520,11 @@ def reorderCircularVLoops(mesh, allVLoops):
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bestSoFar = 0
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while vLoopIdx < len(reorderedVLoopLocs):
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# Skin back to the start if needs be, becuase this is a crcular loft
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toSkin2 = vLoopIdx + 1
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if toSkin2 == len(reorderedVLoopLocs):
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toSkin2 = 0
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newDist = measure( reorderedVLoopLocs[vLoopIdx], reorderedVLoopLocs[toSkin2] )
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if newDist >= bestSoFar:
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@ -534,7 +541,9 @@ if is_editmode: Window.EditMode(0)
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# Get a mesh and raise errors if we cant
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mesh = None
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if len(Object.GetSelected()) > 0:
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if choice == -1:
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pass
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elif len(Object.GetSelected()) > 0:
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if Object.GetSelected()[0].getType() == 'Mesh':
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mesh = Object.GetSelected()[0].getData()
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else:
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@ -542,8 +551,9 @@ if len(Object.GetSelected()) > 0:
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else:
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error('no mesh object selected')
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time1 = sys.time()
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if mesh != None:
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Window.WaitCursor(1)
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allVLoops = getAllVertLoops(mesh)
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# Re order the vert loops
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@ -569,6 +579,8 @@ if mesh != None:
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vloopIdx +=1
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mesh.update()
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mesh.update(1,(mesh.edges != []),0)
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if is_editmode: Window.EditMode(1)
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Window.WaitCursor(0)
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print "skinning time: %.2f" % (sys.time() - time1)
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