def create_basic(length=10.0,width=0.5,mainCtrls=4,subCtrls=10,surface=True,curve=False,prefix=''): ''' Create a basic ribbon rig with a single base control @param length: Ribbon length @type length: float @param width: Ribbon width @type width: float @param mainCtrls: Number of main ribbon controls @type mainCtrls: int @param subCtrls: Number of ribbon sub controls @type subCtrls: int @param surface: Output ribbon surface @type surface: bool @param curve: Output ribbon curve @type curve: bool @param prefix: Name prefix for created nodes @type prefix: str ''' # Check prefix if not prefix: prefix = 'ribbon' # ----------------- # - Create Groups - # ----------------- ctrl_grp = mc.group(em=True,n=prefix+'_ctrl_grp') hist_grp = mc.group(em=True,n=prefix+'_hist_grp') out_grp = mc.group(em=True,n=prefix+'_out_grp') rig_grp = mc.group([ctrl_grp,hist_grp,out_grp],n=prefix+'_grp') mc.setAttr(hist_grp+'.v',0) # ---------------------- # - Create Base Ribbon - # ---------------------- base_pts = [] base_inc = length / (mainCtrls-1) for i in range(mainCtrls): base_pts.append([width*.5,base_inc*i,0.0]) # Curve 0 base_crv_0 = mc.curve(d=1,p=base_pts,k=range(len(base_pts)),n=prefix+'_base0_crv') mc.rebuildCurve(base_crv_0,ch=0,rpo=1,rt=0,end=1,kr=0,kcp=1,kep=1,kt=1,s=0,d=3,tol=0) base_crv_0_locs = glTools.utils.curve.locatorCurve(base_crv_0,prefix=prefix+'_base0') glTools.utils.shape.createIntermediate(base_crv_0) mc.rebuildCurve(base_crv_0,ch=1,rpo=1,rt=0,end=1,kr=0,kcp=0,kep=1,kt=1,s=(mainCtrls-1),d=3,tol=0) # Flip CV array base_pts = [(-i[0],i[1],i[2]) for i in base_pts] # Curve 1 base_crv_1 = mc.curve(d=1,p=base_pts,k=range(len(base_pts)),n=prefix+'_base1_crv') mc.rebuildCurve(base_crv_1,ch=0,rpo=1,rt=0,end=1,kr=0,kcp=1,kep=1,kt=1,s=0,d=3,tol=0) base_crv_1_locs = glTools.utils.curve.locatorCurve(base_crv_1,prefix=prefix+'_base1') glTools.utils.shape.createIntermediate(base_crv_1) mc.rebuildCurve(base_crv_1,ch=1,rpo=1,rt=0,end=1,kr=0,kcp=0,kep=1,kt=1,s=(mainCtrls-1),d=3,tol=0) # Loft base_loft = mc.loft([base_crv_0,base_crv_1],d=1,n=prefix+'_base_surface') base_surface = base_loft[0] base_loft = mc.rename(base_loft[1],prefix+'_base_loft') # Rebuild base_rebuild = mc.rebuildSurface(base_surface,ch=1,rpo=1,rt=0,end=1,kr=0,kcp=1,kc=1,su=0,du=0,sv=0,dv=0,tol=0,fr=0,dir=2,n=prefix+'_base_rebuildSurface') mc.parent([base_crv_0,base_crv_1,base_surface],hist_grp) # ----------------------- # - Create Base Control - # ----------------------- ctrlBuilder = glTools.tools.controlBuilder.ControlBuilder() mc.select(cl=True) base_jnt = mc.joint(n=prefix+'_base_jnt',radius=0.0) base_grp = mc.group(base_jnt,n=prefix+'_base_grp') mc.parent(base_grp,ctrl_grp) ctrlBuilder.controlShape(base_jnt,'circle',rotate=(90,0,0),scale=0.2*length) # ------------------------ # - Create Main Controls - # ------------------------ main_ctrl_list = [] main_grp_list = [] main_ctrl_grp = mc.group(em=True,n=prefix+'_mainCtrl_grp') for i in range(mainCtrls): # Clear selection mc.select(cl=True) # Create main control joint index = glTools.utils.stringUtils.alphaIndex(int(math.floor(i)),True) jnt = mc.joint(n=prefix+'_main'+index+'_jnt',radius=0.0) grp = mc.group(jnt,n=prefix+'_main'+index+'_grp') ctrlBuilder.controlShape(jnt,'square',rotate=(90,0,0),scale=0.125*length) # Position main control joint locs = [base_crv_0_locs[i],base_crv_1_locs[i]] mc.delete( mc.pointConstraint(locs,grp) ) mc.parent(locs,jnt) mc.makeIdentity(locs,apply=True,t=1,r=1,s=1,n=0) for loc in locs: mc.setAttr(loc+'.v',0) # Append list main_ctrl_list.append(jnt) main_grp_list.append(grp) mc.parent(main_grp_list,main_ctrl_grp) mc.parent(main_ctrl_grp,base_jnt) # ---------------------- # - Build Sub Controls - # ---------------------- sub_ctrl_list = [] sub_grp_list = [] sub_ctrl_grp = mc.group(em=True,n=prefix+'_subCtrl_grp') sub_inc = length / (subCtrls - 1) for i in range(subCtrls): # Clear selection mc.select(cl=True) # Create sub control joint index = glTools.utils.stringUtils.alphaIndex(i,True) sub_jnt = mc.joint(n=prefix+'_sub'+index+'_jnt',radius=0.0) sub_grp = mc.group(sub_jnt,n=prefix+'_sub'+index+'_grp') ctrlBuilder.controlShape(sub_jnt,'box',scale=0.025*length) # Position and attach sub controls mc.setAttr(sub_grp+'.t',0.0,(sub_inc*i),0.0) glTools.utils.attach.attachToSurface(base_surface,sub_grp,uValue=0.0,vValue=0.0,useClosestPoint=True,orient=True,uAxis='y',vAxis='x',uAttr='uCoord',vAttr='vCoord',alignTo='v',prefix=prefix+'_sub'+index) # Connect scale mc.connectAttr(base_jnt+'.scale',sub_grp+'.scale') # Append list sub_ctrl_list.append(sub_jnt) sub_grp_list.append(sub_grp) mc.parent(sub_grp_list,sub_ctrl_grp) mc.parent(sub_ctrl_grp,ctrl_grp) # ---------------- # - Build Output - # ---------------- # Build point array sub_inc = length / (subCtrls - 1) pts = [[0,(sub_inc*i),0] for i in range(subCtrls)] # ----- # Curve if curve: # Build curve ribbon_crv = mc.curve(d=1,p=pts,n=prefix+'_ribbon_curve') mc.rebuildCurve(ribbon_crv,ch=0,rpo=1,rt=0,end=1,kr=0,kcp=1,kep=1,kt=1,s=0,d=3,tol=0) # Create curve locators crv_locs = glTools.utils.curve.locatorCurve(ribbon_crv,prefix=prefix) glTools.utils.shape.createIntermediate(ribbon_crv) # Rebuild ribbon curve mc.rebuildCurve(ribbon_crv,ch=1,rpo=1,rt=0,end=1,kr=0,kcp=0,kep=1,kt=1,s=(subCtrls-1),d=3,tol=0,n=prefix+'_ribbon_rebuildCurve') # Parent curve locators for i in range(len(crv_locs)): mc.parent(crv_locs[i],sub_ctrl_list[i]) mc.setAttr(crv_locs[i]+'.v',0) mc.parent(ribbon_crv,out_grp) # ----------- # - Surface - if surface: # Offset CV array pts = [(width*.5,i[1],i[2]) for i in pts] # Sub Curve 0 sub_crv_0 = mc.curve(d=1,p=pts,k=range(len(pts)),n=prefix+'_sub0_crv') mc.rebuildCurve(sub_crv_0,ch=0,rpo=1,rt=0,end=1,kr=0,kcp=1,kep=1,kt=1,s=0,d=3,tol=0) sub_crv_0_locs = glTools.utils.curve.locatorCurve(sub_crv_0,prefix=prefix+'_sub0') glTools.utils.shape.createIntermediate(sub_crv_0) mc.rebuildCurve(sub_crv_0,ch=1,rpo=1,rt=0,end=1,kr=0,kcp=0,kep=1,kt=1,s=(subCtrls-1),d=3,tol=0,n=prefix+'_sub0_rebuildCurve') # Flip CV array pts = [(-i[0],i[1],i[2]) for i in pts] # Curve 1 sub_crv_1 = mc.curve(d=1,p=pts,k=range(len(pts)),n=prefix+'_sub1_crv') mc.rebuildCurve(sub_crv_1,ch=0,rpo=1,rt=0,end=1,kr=0,kcp=1,kep=1,kt=1,s=0,d=3,tol=0) sub_crv_1_locs = glTools.utils.curve.locatorCurve(sub_crv_1,prefix=prefix+'_sub1') glTools.utils.shape.createIntermediate(sub_crv_1) mc.rebuildCurve(sub_crv_1,ch=1,rpo=1,rt=0,end=1,kr=0,kcp=0,kep=1,kt=1,s=(subCtrls-1),d=3,tol=0,n=prefix+'_sub1_rebuildCurve') # Loft ribbon_loft = mc.loft([sub_crv_0,sub_crv_1],d=1,n=prefix+'_ribbon_surface') ribbon_surface = ribbon_loft[0] ribbon_loft = mc.rename(ribbon_loft[1],prefix+'_ribbon_loft') # Parent curve locators for i in range(len(pts)): locs = [sub_crv_0_locs[i],sub_crv_1_locs[i]] mc.parent(locs,sub_ctrl_list[i]) mc.makeIdentity(locs,apply=True,t=1,r=1,s=1,n=0) for loc in locs: mc.setAttr(loc+'.v',0) mc.parent([sub_crv_0,sub_crv_1],hist_grp) mc.parent(ribbon_surface,out_grp)
def create(length=10.0,width=0.5,mainCtrls=4,subCtrls=10,surface=True,curve=False,prefix=''): ''' Create a ribbon rig with a primary base and tip controls @param length: Ribbon length @type length: float @param width: Ribbon width @type width: float @param mainCtrls: Number of main ribbon controls @type mainCtrls: int @param subCtrls: Number of ribbon sub controls @type subCtrls: int @param surface: Output ribbon surface @type surface: bool @param curve: Output ribbon curve @type curve: bool @param prefix: Name prefix for created nodes @type prefix: str ''' # Check prefix if not prefix: prefix = 'ribbon' # ----------------- # - Create Groups - # ----------------- ctrl_grp = mc.group(em=True,n=prefix+'_ctrl_grp') hist_grp = mc.group(em=True,n=prefix+'_hist_grp') out_grp = mc.group(em=True,n=prefix+'_out_grp') rig_grp = mc.group([ctrl_grp,hist_grp,out_grp],n=prefix+'_grp') mc.setAttr(hist_grp+'.v',0) # ---------------------- # - Create Base Ribbon - # ---------------------- # Generate point array base_inc = float(length) / (mainCtrls-1) base_pts = [(width*.5,base_inc*i,0.0) for i in range(mainCtrls)] # Curve 0 base_crv_0 = mc.curve(d=1,p=base_pts,k=range(len(base_pts)),n=prefix+'_base0_crv') mc.rebuildCurve(base_crv_0,ch=0,rpo=1,rt=0,end=1,kr=0,kcp=1,kep=1,kt=1,s=0,d=3,tol=0) base_crv_0_locs = glTools.utils.curve.locatorCurve(base_crv_0,prefix=prefix+'_base0') glTools.utils.shape.createIntermediate(base_crv_0) mc.rebuildCurve(base_crv_0,ch=1,rpo=1,rt=0,end=1,kr=0,kcp=0,kep=1,kt=1,s=(mainCtrls-1),d=3,tol=0) # Flip CV array base_pts = [(-i[0],i[1],i[2]) for i in base_pts] # Curve 1 base_crv_1 = mc.curve(d=1,p=base_pts,k=range(len(base_pts)),n=prefix+'_base1_crv') mc.rebuildCurve(base_crv_1,ch=0,rpo=1,rt=0,end=1,kr=0,kcp=1,kep=1,kt=1,s=0,d=3,tol=0) base_crv_1_locs = glTools.utils.curve.locatorCurve(base_crv_1,prefix=prefix+'_base1') glTools.utils.shape.createIntermediate(base_crv_1) mc.rebuildCurve(base_crv_1,ch=1,rpo=1,rt=0,end=1,kr=0,kcp=0,kep=1,kt=1,s=(mainCtrls-1),d=3,tol=0) # Loft base_loft = mc.loft([base_crv_0,base_crv_1],d=1,n=prefix+'_base_surface') base_surface = base_loft[0] base_loft = mc.rename(base_loft[1],prefix+'_base_loft') # Rebuild base_rebuild = mc.rebuildSurface(base_surface,ch=1,rpo=1,rt=0,end=1,kr=0,kcp=1,kc=1,su=0,du=0,sv=0,dv=0,tol=0,fr=0,dir=2,n=prefix+'_base_rebuildSurface') mc.parent([base_crv_0,base_crv_1,base_surface],hist_grp) # ------------------------------- # - Create Base and Tip Control - # ------------------------------- # Base Control mc.select(cl=True) base_jnt = mc.joint(n=prefix+'_baseA_jnt',radius=0.0) base_grp = mc.group(base_jnt,n=prefix+'_baseA_grp') mc.parent(base_grp,ctrl_grp) ctrlBuilder.controlShape(base_jnt,'circle',rotate=(90,0,0),scale=0.2*length) # Tip Control mc.select(cl=True) tip_jnt = mc.joint(n=prefix+'_tipA_jnt',radius=0.0) tip_grp = mc.group(tip_jnt,n=prefix+'_tipA_grp') mc.parent(tip_grp,ctrl_grp) # Position Tip mc.move(0,length,0,tip_grp,ws=True,a=True) ctrlBuilder.controlShape(tip_jnt,'circle',rotate=(90,0,0),scale=0.2*length) # ------------------------ # - Create Main Controls - # ------------------------ # Check mid control mid = False if (float(mainCtrls)/2) % 1: mid = True # Determine mid point if mid: split = int(math.ceil(float(mainCtrls)/2))-1 else : split = int(mainCtrls/2) # Create controls for i in range(mainCtrls): # Clear selection mc.select(cl=True) # Create main control joint index = glTools.utils.stringUtils.alphaIndex(int(math.floor(i)),True) jnt = mc.joint(n=prefix+'_main'+index+'_jnt',radius=0.0) grp = mc.group(jnt,n=prefix+'_main'+index+'_grp') ctrlBuilder.controlShape(jnt,'square',rotate=(90,0,0),scale=0.125*length) # Position main control joint locs = [base_crv_0_locs[i],base_crv_1_locs[i]] mc.delete( mc.pointConstraint(locs,grp) ) mc.parent(locs,jnt) mc.makeIdentity(locs,apply=True,t=1,r=1,s=1,n=0) for loc in locs: mc.setAttr(loc+'.v',0) # Constrain to base/tip control connBlend = glTools.utils.constraint.blendConstraint([base_jnt,tip_jnt],grp,jnt,blendAttr='bias',maintainOffset=True,prefix='') # Set constraint weights if mid and i == split: mc.setAttr(connBlend,0.5) else: if i < split: mc.setAttr(connBlend,0.0) else: mc.setAttr(connBlend,1.0) # Parent to main control group mc.parent(grp,ctrl_grp) # ---------------------- # - Build Sub Controls - # ---------------------- sub_ctrl_list = [] sub_grp_list = [] sub_ctrl_grp = mc.group(em=True,n=prefix+'_subCtrl_grp') # Turn off inheritTransform mc.setAttr(sub_ctrl_grp+'.inheritsTransform',0) # Build point array sub_inc = float(length) / (subCtrls - 1) pts = [[0,(sub_inc*i),0] for i in range(subCtrls)] for i in range(subCtrls): # Clear selection mc.select(cl=True) # Create sub control joint index = glTools.utils.stringUtils.alphaIndex(i,True) sub_jnt = mc.joint(n=prefix+'_sub'+index+'_jnt',radius=0.0) sub_grp = mc.group(sub_jnt,n=prefix+'_sub'+index+'_grp') ctrlBuilder.controlShape(sub_jnt,'box',scale=0.025*length) # Position and attach sub controls mc.setAttr(sub_grp+'.t',pts[i][0],pts[i][1],pts[i][2]) glTools.utils.attach.attachToSurface(base_surface,sub_grp,uValue=0.0,vValue=0.0,useClosestPoint=True,orient=True,uAxis='-x',vAxis='y',uAttr='uCoord',vAttr='vCoord',alignTo='v',prefix=prefix+'_sub'+index) # Append list sub_ctrl_list.append(sub_jnt) sub_grp_list.append(sub_grp) mc.parent(sub_grp_list,sub_ctrl_grp) mc.parent(sub_ctrl_grp,ctrl_grp) # ---------------- # - Build Output - # ---------------- # ----- # Curve if curve: # Build curve ribbon_crv = mc.curve(d=1,p=pts,n=prefix+'_ribbon_curve') mc.rebuildCurve(ribbon_crv,ch=0,rpo=1,rt=0,end=1,kr=0,kcp=1,kep=1,kt=1,s=0,d=3,tol=0) # Create curve locators crv_locs = glTools.utils.curve.locatorCurve(ribbon_crv,prefix=prefix) glTools.utils.shape.createIntermediate(ribbon_crv) # Rebuild ribbon curve mc.rebuildCurve(ribbon_crv,ch=1,rpo=1,rt=0,end=1,kr=0,kcp=0,kep=1,kt=1,s=(subCtrls-1),d=3,tol=0,n=prefix+'_ribbon_rebuildCurve') # Parent curve locators for i in range(len(crv_locs)): mc.parent(crv_locs[i],sub_ctrl_list[i]) mc.setAttr(crv_locs[i]+'.v',0) mc.parent(ribbon_crv,out_grp) # ----------- # - Surface - if surface: # Offset CV array pts = [(width*.5,i[1],i[2]) for i in pts] # Sub Curve 0 sub_crv_0 = mc.curve(d=1,p=pts,k=range(len(pts)),n=prefix+'_sub0_crv') mc.rebuildCurve(sub_crv_0,ch=0,rpo=1,rt=0,end=1,kr=0,kcp=1,kep=1,kt=1,s=0,d=3,tol=0) sub_crv_0_locs = glTools.utils.curve.locatorCurve(sub_crv_0,prefix=prefix+'_sub0') glTools.utils.shape.createIntermediate(sub_crv_0) mc.rebuildCurve(sub_crv_0,ch=1,rpo=1,rt=0,end=1,kr=0,kcp=0,kep=1,kt=1,s=(subCtrls-1),d=3,tol=0,n=prefix+'_sub0_rebuildCurve') # Flip CV array pts = [(-i[0],i[1],i[2]) for i in pts] # Curve 1 sub_crv_1 = mc.curve(d=1,p=pts,k=range(len(pts)),n=prefix+'_sub1_crv') mc.rebuildCurve(sub_crv_1,ch=0,rpo=1,rt=0,end=1,kr=0,kcp=1,kep=1,kt=1,s=0,d=3,tol=0) sub_crv_1_locs = glTools.utils.curve.locatorCurve(sub_crv_1,prefix=prefix+'_sub1') glTools.utils.shape.createIntermediate(sub_crv_1) mc.rebuildCurve(sub_crv_1,ch=1,rpo=1,rt=0,end=1,kr=0,kcp=0,kep=1,kt=1,s=(subCtrls-1),d=3,tol=0,n=prefix+'_sub1_rebuildCurve') # Loft ribbon_loft = mc.loft([sub_crv_0,sub_crv_1],d=1,n=prefix+'_ribbon_surface') ribbon_surface = ribbon_loft[0] ribbon_loft = mc.rename(ribbon_loft[1],prefix+'_ribbon_loft') # Parent curve locators for i in range(len(pts)): locs = [sub_crv_0_locs[i],sub_crv_1_locs[i]] mc.parent(locs,sub_ctrl_list[i]) mc.makeIdentity(locs,apply=True,t=1,r=1,s=1,n=0) for loc in locs: mc.setAttr(loc+'.v',0) mc.parent([sub_crv_0,sub_crv_1],hist_grp) mc.parent(ribbon_surface,out_grp)
