BlenderPythonScripts/DrawCirclePack.py at master · christophermoverton/BlenderPythonScripts · GitHub

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import bpy
import math
CirclePoints = 12
#Construct Circle points

thetainc = 2*math.pi/float(CirclePoints)
cpositions = []
theta = 0.0
faces = []
for i in range(CirclePoints):
    pos = (math.cos(theta),math.sin(theta))
    cpositions.append(pos)
    theta += thetainc
##    if i == CirclePoints-1:
##        face = (i,0,CirclePoints)
##        faces.append(face)
##    else:
##        face = (i,i+1,CirclePoints)
##        faces.append(face)

## expects already named object cpack
## that is a circle packing dictionary object
cpvertices = []
cpfaces = []
i = 0
for c in cpack:
    center, radius = cpack[c]
    cx = center.real
    cy = center.imag
    circiter = (CirclePoints+1)*i
    centerposi = (CirclePoints+1)*(i+1)-1
    j = 0
    for pos in cpositions:
        cpvertices.append((pos[0]*radius+cx,pos[1]*radius+cy, 0.0))
        if j == CirclePoints-1:

            face = (circiter+j,circiter,centerposi)
            cpfaces.append(face)
        else:
            face = (circiter+j,circiter+j+1,centerposi)
            cpfaces.append(face)
        j += 1
    cpvertices.append((cx,cy,0.0))
    i += 1

meshName = "CirclePacking"
obName = "CirclePackingObj"
me = bpy.data.meshes.new(meshName)
ob = bpy.data.objects.new(obName, me)
ob.location = bpy.context.scene.cursor_location
bpy.context.scene.objects.link(ob)
me.from_pydata(cpvertices,[],cpfaces)
me.update(calc_edges=True)