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# -*- coding: utf-8 -*-
# Copyright (c) Vispy Development Team. All Rights Reserved.
# Distributed under the (new) BSD License. See LICENSE.txt for more info.
"""
Demonstration of Cube
"""
import sys
from vispy import app, gloo
from vispy.visuals import BoxVisual, transforms
class Canvas(app.Canvas):
def __init__(self):
app.Canvas.__init__(self, 'Cube', keys='interactive',
size=(400, 400))
self.cube = BoxVisual(1.0, 0.5, 0.25, color='red',
edge_color="k")
self.theta = 0
self.phi = 0
# Create a TransformSystem that will tell the visual how to draw
self.cube_transform = transforms.MatrixTransform()
self.cube.transform = self.cube_transform
self._timer = app.Timer('auto', connect=self.on_timer, start=True)
self.show()
def on_resize(self, event):
# Set canvas viewport and reconfigure visual transforms to match.
vp = (0, 0, self.physical_size[0], self.physical_size[1])
self.context.set_viewport(*vp)
self.cube.transforms.configure(canvas=self, viewport=vp)
def on_draw(self, event):
gloo.set_viewport(0, 0, *self.physical_size)
gloo.clear('white', depth=True)
self.cube.draw()
def on_timer(self, event):
self.theta += .5
self.phi += .5
self.cube_transform.reset()
self.cube_transform.rotate(self.theta, (0, 0, 1))
self.cube_transform.rotate(self.phi, (0, 1, 0))
self.cube_transform.scale((100, 100, 0.001))
self.cube_transform.translate((200, 200))
self.update()
if __name__ == '__main__':
win = Canvas()
win.show()
if sys.flags.interactive != 1:
win.app.run()
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