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38 lines
630 B
Python
38 lines
630 B
Python
import numpy as np
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from vispy import app
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from vispy import gloo
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vertex = """
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attribute vec2 a_position;
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void main (void)
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{
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gl_Position = vec4(a_position, 0.0, 1.0);
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}
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"""
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fragment = """
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void main()
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{
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gl_FragColor = vec4(0.0, 0.0, 0.0, 1.0);
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}
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"""
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c = app.Canvas(keys='interactive')
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program = gloo.Program(vertex, fragment)
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program['a_position'] = np.float32(np.c_[
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np.linspace(-1.0, +1.0, 1000),
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np.random.uniform(-0.5, +0.5, 1000)])
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@c.connect
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def on_resize(event):
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gloo.set_viewport(0, 0, *event.size)
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@c.connect
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def on_draw(event):
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gloo.clear((1,1,1,1))
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program.draw('line_strip')
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c.show()
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app.run()
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