#!/usr/bin/env python
# coding: utf-8

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import k3d

vertices = [
    -10.0, -15.0, 0.0,
    -10.0,   5.0, 0.0,
     10.0,   5.0, 0.0,
    -10.0, -15.0, 0.0,
     10.0, -15.0, 0.0,
    -10.0,   5.0, 0.0,
      0.0,  15.0, 0.0,
     10.0,   5.0, 0.0,
     10.0, -15.0, 0.0
]

colors = [
    0xff,
    0xffff,
    0xff00ff,
    0x00ffff,
    0xffff00,
    0xff00,
    0xff0000,
    0xff00ff,
    0xffffff
]

line = k3d.line(vertices, colors=colors, width=0.5)

plot = k3d.plot(antialias=True)
plot += line
plot.display()


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line.shader = "mesh";


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line.radial_segments = 5;


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line.visible = False
plot.camera_reset()


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line.visible = True
plot.camera_reset()


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import k3d
import math
import numpy as np

plot = k3d.plot(antialias=True)

for i in range(10):
    vertices = []
    s = []
    
    for fi in np.arange(0,2*math.pi, 0.01):
        vertices.append([            
            math.sin(fi*4+i), 
            math.cos(fi*7+i), 
            math.cos(fi*3) + fi * 1.5
        ])
        s.append(math.sin(fi*i))
    
    plot += k3d.line(vertices, attribute=s, color_range=[-1,1], color_map=k3d.basic_color_maps.Jet, width=0.03)

plot.display()


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for obj in plot.objects:
    obj.shader = "mesh"
    obj.width = 0.05


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for obj in plot.objects:
    obj.shader = "thick"
    obj.width = 0.1


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