@anonymesTry replacing your wireframe_display.py code with this:

import wireframeimport pygame

class ProjectionViewer: """ Displays 3D objects on a Pygame screen """ def __init__(self, width, height): self.width = width self.height = height self.screen = pygame.display.set_mode((width, height)) pygame.display.set_caption('Wireframe Display') self.background = (10,10,50) self.wireframes = {} self.displayNodes = True self.displayEdges = True self.nodeColour = (255,255,255) self.edgeColour = (200,200,200) self.nodeRadius = 4

def run(self): """ Create a pygame screen until it is closed. """ running = True while running: for event in pygame.event.get(): if event.type == pygame.QUIT: running = False

self.display() pygame.display.flip()

def addWireframe(self, name, wireframe): """ Add a named wireframe object. """ self.wireframes[name] = wireframe

def display(self): """ Draw the wireframes on the screen. """ self.screen.fill(self.background) for wireframe in self.wireframes.values(): if self.displayEdges: for edge in wireframe.edges: pygame.draw.aaline(self.screen, self.edgeColour, (edge.start.x, edge.start.y), (edge.stop.x, edge.stop.y), 1) if self.displayNodes: for node in wireframe.nodes: pygame.draw.circle(self.screen, self.nodeColour, (int(node.x), int(node.y)), self.nodeRadius, 0)

if __name__ == '__main__': cube = wireframe.Wireframe() cube.addNodes([(x ,y, z) for x in (50, 250) for y in (50, 250) for z in (50, 250)]) cube.addEdges([(n,n+4) for n in range(0,4)]+[(n,n+1) for n in range(0,8,2)]+[(n,n+2) for n in (0,1,4,5)]) pv = ProjectionViewer(400, 300) pv.addWireframe('cube', cube) pv.run()