Created
May 2, 2019 16:49
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| import bpy | |
| import math | |
| class flower(object): | |
| def __init__(self): | |
| # mesh arrays | |
| verts = [] | |
| faces = [] | |
| edges = [] | |
| #3D supershape parameters | |
| m = 14.23 | |
| a = -0.06 | |
| b = 2.78 | |
| n1 = 0.5 | |
| n2 = -.48 | |
| n3 = 1.5 | |
| scale = 3 | |
| Unum = 50 | |
| Vnum = 50 | |
| Uinc = math.pi / (Unum/2) | |
| Vinc = (math.pi/2)/(Vnum/2) | |
| #fill verts array | |
| theta = -math.pi | |
| for i in range (0, Unum + 1): | |
| phi = -math.pi/2 | |
| r1 = 1/(((abs(math.cos(m*theta/4)/a))**n2+(abs(math.sin(m*theta/4)/b))**n3)**n1) | |
| for j in range(0,Vnum + 1): | |
| r2 = 1/(((abs(math.cos(m*phi/4)/a))**n2+(abs(math.sin(m*phi/4)/b))**n3)**n1) | |
| x = scale * (r1 * math.cos(theta) * r2 * math.cos(phi)) | |
| y = scale * (r1 * math.sin(theta) * r2 * math.cos(phi)) | |
| z = scale * (r2 * math.sin(phi)) | |
| vert = (x,y,z) | |
| verts.append(vert) | |
| #increment phi | |
| phi = phi + Vinc | |
| #increment theta | |
| theta = theta + Uinc | |
| #fill faces array | |
| count = 0 | |
| for i in range (0, (Vnum + 1) *(Unum)): | |
| if count < Vnum: | |
| A = i | |
| B = i+1 | |
| C = (i+(Vnum+1))+1 | |
| D = (i+(Vnum+1)) | |
| face = (A,B,C,D) | |
| faces.append(face) | |
| count = count + 1 | |
| else: | |
| count = 0 | |
| #create mesh and object | |
| mymesh = bpy.data.meshes.new("supershape") | |
| myobject = bpy.data.objects.new("supershape",mymesh) | |
| #set mesh location | |
| myobject.location = bpy.context.scene.cursor_location | |
| bpy.context.scene.objects.link(myobject) | |
| #create mesh from python data | |
| mymesh.from_pydata(verts,edges,faces) | |
| mymesh.update(calc_edges=True) | |
| #set the object to edit mode | |
| bpy.context.scene.objects.active = myobject | |
| bpy.ops.object.mode_set(mode='EDIT') | |
| # remove duplicate vertices | |
| bpy.ops.mesh.remove_doubles() | |
| # recalculate normals | |
| bpy.ops.mesh.normals_make_consistent(inside=False) | |
| bpy.ops.object.mode_set(mode='OBJECT') | |
| # subdivide modifier | |
| myobject.modifiers.new("subd", type='SUBSURF') | |
| myobject.modifiers['subd'].levels = 3 | |
| # show mesh as smooth | |
| mypolys = mymesh.polygons | |
| for p in mypolys: | |
| p.use_smooth = True | |
| fObj = flower() |
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