MAYA - unitCube using MFnMesh

unitCube.py

import maya.api.OpenMaya as OpenMaya


mesh = OpenMaya.MFnMesh()

# Simple unitCube coordinates
vertices = []
vertices.append(OpenMaya.MPoint( 1,  1,  1))    # 0
vertices.append(OpenMaya.MPoint( 1, -1,  1))    # 1
vertices.append(OpenMaya.MPoint( 1, -1, -1))    # 2
vertices.append(OpenMaya.MPoint( 1,  1, -1))    # 3
vertices.append(OpenMaya.MPoint(-1, -1,  1))    # 4
vertices.append(OpenMaya.MPoint(-1,  1,  1))    # 5
vertices.append(OpenMaya.MPoint(-1,  1, -1))    # 6
vertices.append(OpenMaya.MPoint(-1, -1, -1))    # 7

# Number of vertices per polygon
polygonCounts = []
polygonCounts.append(4)     # 0, 1, 2, 3
polygonCounts.append(4)     # 0, 5, 4, 1
polygonCounts.append(4)     # 5, 6, 7, 4
polygonCounts.append(4)     # 6, 3, 2, 7
polygonCounts.append(4)     # 0, 3, 6, 5
polygonCounts.append(4)     # 1, 4, 7, 2

# How each group of N vertices per polygon is connected.
#
# Because for each vertex I have specified the list index number, I can use the
# same number to uniquely identify each face of the polygon to actually build
# the connection between each vertex.
polygonConnects = []

# First polygon
polygonConnects.append(0)
polygonConnects.append(1)
polygonConnects.append(2)
polygonConnects.append(3)

# Second polygon
polygonConnects.append(0)
polygonConnects.append(5)
polygonConnects.append(4)
polygonConnects.append(1)

# Third polygon
polygonConnects.append(5)
polygonConnects.append(6)
polygonConnects.append(7)
polygonConnects.append(4)

# Fourth polygon
polygonConnects.append(6)
polygonConnects.append(3)
polygonConnects.append(2)
polygonConnects.append(7)

# Fifth polygon
polygonConnects.append(0)
polygonConnects.append(3)
polygonConnects.append(6)
polygonConnects.append(5)

# Sixth polygon
polygonConnects.append(1)
polygonConnects.append(4)
polygonConnects.append(7)
polygonConnects.append(2)

mesh.create(vertices, polygonCounts, polygonConnects)