Differential D2211 Diff 7392 add_curve_ivygen.py

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add_curve_ivygen.py

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	from bpy.props import FloatProperty, IntProperty, BoolProperty	from bpy.props import FloatProperty, IntProperty, BoolProperty
	from mathutils import Vector, Matrix	from mathutils import Vector, Matrix
	from collections import deque	from collections import deque
	from math import pow, cos, pi, atan2	from math import cos, pi, atan2
	from random import random as rand_val, seed as rand_seed	from random import random as rand_val, seed as rand_seed
	import time	import time

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	nodeNext = root.ivyNodes[i + 1]	nodeNext = root.ivyNodes[i + 1]

	# Find the weight and normalize the smooth adhesion vector	# Find the weight and normalize the smooth adhesion vector
	weight = pow(node.length * prevIvyLength, 0.7)	weight = (node.length * prevIvyLength) ** 0.7

	# Calculate the ground ivy and the new weight	# Calculate the ground ivy and the new weight
	groundIvy = max(0.0, -node.smoothAdhesionVector.z)	groundIvy = max(0.0, -node.smoothAdhesionVector.z)
	weight += groundIvy * pow(1 - node.length *	weight += groundIvy * (1 - node.length * prevIvyLength) ** 2
	prevIvyLength, 2)

	# Find the alignment weight	# Find the alignment weight
	alignmentWeight = node.adhesionLength	alignmentWeight = node.adhesionLength
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	# Find the gravity vector	# Find the gravity vector
	gravityVector = (self.ivySize * self.gravityWeight *	gravityVector = (self.ivySize * self.gravityWeight *
	Vector((0, 0, -1)))	Vector((0, 0, -1)))
	gravityVector *= pow(prevIvy.floatingLength / self.maxFloatLength,	gravityVector = (prevIvy.floatingLength / self.maxFloatLength) * 0.7
	0.7)

	# Determine the new position vector	# Determine the new position vector
	newPos = prevIvy.pos + growVector + gravityVector	newPos = prevIvy.pos + growVector + gravityVector
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