VPython Reference: Difference between revisions
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== | == VPython Common Constants == | ||
[Constants Source] | |||
==Connectedness== | ==Connectedness== |
Revision as of 19:52, 5 December 2015
Created by Shuyang Chen
VPython reference page for animation functions and constants. This page assumes and only includes basic usage of VPython.
VPython Template
from __future__ import division from visual import * ## Constants ## Initialization ## Loop t = 0 deltat = 1e-10 end = 10 while t < end: rate(1000) ## Loop Code t += deltat
VPython Animation Functions
Sphere
Example
ball = sphere(pos=(1,2,3), radius=0.4, color=color.blue)
Parameters
Parameter | Type | Description |
---|---|---|
pos | vector | Position of the object |
color | color | Color of the object |
radius | number | Radius of the sphere |
opacity | number | Opacity of the object |
make_trail | boolean | Whether or not to leave behind a trail |
Arrow
Example
arr = arrow(pos=(1,2,3), axis=(4,5,6), color=color.red)
Parameters
Parameter | Type | Description |
---|---|---|
pos | vector | Position of the object |
axis | vector | Direction the arrow is pointing at |
color | color | Color of the object |
opacity | number | Opacity of the object |
shaftwidth | number | Width of the shaft (default: 0.1*(length of arrow)) |
headwidth | number | Width of the head (default: 2*shaftwidth) |
headlength | number | Length of the head (default: 3*shaftwidth) |
make_trail | boolean | Whether or not to leave behind a trail |
Color
Example
c = color.red
Basic Colors
Name | Vector | Color |
---|---|---|
Red | (1,0,0) | color.red |
Yellow | (1,1,0) | color.yellow |
Green | (0,1,0) | color.green |
Orange | (1,0.5,0) | color.orange |
Blue | (0,0,1) | color.blue |
Cyan | (0,1,1) | color.cyan |
Magenta | (1,0,1) | color.magenta |
White | (1,1,1) | color.white |
Black | (0,0,0) | color.black |
VPython Common Constants
[Constants Source]
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