kopia lustrzana https://github.com/peterhinch/micropython-samples
52 wiersze
1.6 KiB
Python
52 wiersze
1.6 KiB
Python
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# test3d.py 3D objects created using quaternions
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# Released under the MIT License (MIT). See LICENSE.
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# Copyright (c) 2020 Peter Hinch
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from math import pi
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import gc
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from quat import Rotator
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import graph3d as g3d
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from setup3d import * # Hardware setup and colors
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# Dict of display objects, each comprises a Shape
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dobj = g3d.DisplayDict(setup(), pi/6, 5) # Camera angle and z distance
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dobj['axes'] = g3d.Axes(WHITE) # Draw axes
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def demo():
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dobj['cone'] = g3d.Cone(GREEN) * 0.7
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# Draw rectangle to check camera perspective
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square = (g3d.Square(YELLOW) -(0.5, 0.5, 0)) * 1.3
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rot = Rotator(pi/12, 1, 0, 0)
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dobj['perspective'] = square
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for _ in range(24):
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dobj['perspective'] @= rot
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dobj.show()
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rot = Rotator(pi/12, 0, 1, 0)
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for _ in range(24):
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dobj['perspective'] @= rot
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dobj.show()
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rot = Rotator(pi/12, 0, 0, 1)
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for _ in range(24):
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dobj['perspective'] @= rot
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dobj.show()
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dobj['perspective'] = g3d.Circle(RED) * 0.7 @ Rotator(pi/24, 0, 0, 1) # (1, 1, 0.5) for ellipse
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for _ in range(24):
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dobj['perspective'] @= rot
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dobj.show()
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del dobj['cone']
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del dobj['perspective']
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gc.collect()
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print('RAM free {} alloc {}'.format(gc.mem_free(), gc.mem_alloc()))
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dobj['perspective'] = g3d.Sphere(CYAN) * 0.5 - (0.5, 0.5, 0)
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rot = Rotator(pi/96, 1, 0, 0)
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gc.collect()
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print('RAM free {} alloc {}'.format(gc.mem_free(), gc.mem_alloc()))
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for _ in range(20):
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dobj['perspective'] += (0.025, 0.025, 0) # @= rot
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dobj.show()
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del dobj['perspective']
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demo()
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