pylint convex.py

    Addresses BruceSherwood#76

site-packages/visual/examples/convex.py

@@ -1,54 +1,60 @@
-from visual import *
+#!/usr/bin/env python
+#coding:utf-8
+""" Example of drawing and modifying shapes."""
+from __future__ import print_function, division
+import visual as vp
 from random import uniform
 
+print(__doc__)
 # David Scherer
 
-scene.range = 3
-
-a = convex(color=(0.5,0,0))
-b = convex(color=(0,0.5,0))
-c = convex(color=(0,0,0.5))
-d = convex(color=(0.5,0,0.5))
-e = convex(color=(0.5,0.5,0))
-f = convex(color=(0,0.5,0.5))
+vp.scene.range = 3
+PI = vp.pi
+A = vp.convex(color=(0.5, 0, 0))
+B = vp.convex(color=(0, 0.5, 0))
+C = vp.convex(color=(0, 0, 0.5))
+D = vp.convex(color=(0.5, 0, 0.5))
+E = vp.convex(color=(0.5, 0.5, 0))
+F = vp.convex(color=(0, 0.5, 0.5))
 
 # circle
-t = arange(0,2*pi,0.1)
-e.pos = transpose( (sin(t), cos(t)+2, 0*t) )
+T = vp.arange(0, 2*PI, 0.1)
+E.pos = vp.transpose((vp.sin(T), vp.cos(T)+2, 0*T))
 
 # triangle
-t = arange(0,2*pi,2*pi/3)
-f.pos = transpose( (sin(t)-2, cos(t)+2, 0*t) )
+T = vp.arange(0, 2*PI, 2*PI/3)
+F.pos = vp.transpose((vp.sin(T)-2, vp.cos(T)+2, 0*T))
 
 # disk
-for t in arange(0,2*pi,0.1):
-    a.append(pos = (cos(t),0,sin(t)))
-    a.append(pos = (cos(t),0.2,sin(t)))
+for T in vp.arange(0, 2*PI, 0.1):
+    A.append(pos=(vp.cos(T), 0, vp.sin(T)))
+    A.append(pos=(vp.cos(T), 0.2, vp.sin(T)))
 
 # box
 for i in range(8):
-    p = vector((i/4)%2 - 2.5, (i/2)%2 - 0.5, (i)%2 - 0.5)
-    b.append(pos=p)
+    P = vp.vector((i/4)%2 - 2.5, (i/2)%2 - 0.5, (i)%2 - 0.5)
+    B.append(pos=P)
 
 # random sphere
 L = []
 for i in range(1000):
-    L.append(vector(2,0) + norm(vector(uniform(-1,1),uniform(-1,1),uniform(-1,1))))
-c.pos = L
+    L.append(vp.vector(2, 0) + vp.norm(vp.vector(
+        uniform(-1, 1), uniform(-1, 1), uniform(-1, 1))))
+C.pos = L
 
 # lat/long sphere
 L = []
-for t in arange(0,2*pi,0.2):
-    for s in arange(0,pi,0.1):
-        L.append((cos(t)*sin(s)+2, sin(t)*sin(s)+2, cos(s)))
-d.pos = L
+for T in vp.arange(0, 2*PI, 0.2):
+    for s in vp.arange(0, PI, 0.1):
+        L.append((vp.cos(T)*vp.sin(s)+2, vp.sin(T)*vp.sin(s)+2, vp.cos(s)))
+D.pos = L
 
 # modify the disk
-p = a
-p.color = (p.color[0]*2, p.color[1]*2, p.color[2]*2)
+P = A
+P.color = (P.color[0]*2, P.color[1]*2, P.color[2]*2)
 while 1:
-    rate(10)
-    if scene.mouse.clicked:
-        c = scene.mouse.getclick()
-        p.append(pos=c.pos)
-    p.pos[-1] = scene.mouse.pos
+    vp.rate(10)
+    if vp.scene.mouse.clicked:
+        C = vp.scene.mouse.getclick()
+        P.append(pos=C.pos)
+    P.pos[-1] = vp.scene.mouse.pos