Curve SkinPercent

CrvSkinPercent.py

pm.system.openFile('/Users/johan/Documents/Projects/python_dev/scenes/spring_jnts.mb', f=True)

ik_jnt_list = [pm.PyNode('joint{0}'.format(j+1)) for j in range(5)]

pos_list  = [j.getTranslation(ws=True) for j in ik_jnt_list]

crv = pm.curve(d=1, p=pos_list)
crv_shape = crv.getShape()

crv_shape.overrideEnabled.set(1)
crv_shape.overrideColor.set(17)

pm.toggle(crv, controlVertex=True)

skin_cluster = pm.skinCluster(ik_jnt_list[0], crv)


pm.skinPercent(skin_cluster, 'curve1.cv[0]', transformValue=('joint1', 1.0))
pm.skinPercent(skin_cluster, 'curve1.cv[1]', transformValue=('joint2', 1.0))
pm.skinPercent(skin_cluster, 'curve1.cv[2]', transformValue=('joint3', 1.0))
pm.skinPercent(skin_cluster, 'curve1.cv[3]', transformValue=('joint4', 1.0))
pm.skinPercent(skin_cluster, 'curve1.cv[4]', transformValue=('joint5', 1.0))




#############################################


def set_curve_skin_percent(crv, jnt_list, num_div):

	num_jnt = len(jnt_list)
	cv_index = 0
	u_inc = 1.0 / (num_div + 1)
	for index in range(num_jnt-1):
		
		start = jnt_list[index]
		end = jnt_list[index+1]

		for n in range(num_div+1):
			u = u_inc * n
			#print(cv_index)
			print('')
			#print('{0} ({1}) > {2} ({3})'.format(start, 1.0-u, end, u))
			print('{0}.cv[{1}], transformValue=({2}, {3})').format(crv, cv_index, start, 1.0-u)
			print('{0}.cv[{1}], transformValue=({2}, {3})').format(crv, cv_index, end, u)

			cv_index +=1
	print('')
	print('{0}.cv[{1}], transformValue=({2}, {3})').format(crv, cv_index, jnt_list[-1], 1.0)
	print('')


jnt_list  = ['joint{0}'.format(j+1) for j in range(4)]
num_div = 1
crv = 'curve1'


set_curve_skin_percent(crv=crv, jnt_list=jnt_list, num_div=num_div)