blender/io_mspgl/util.py

   1 def linear_to_srgb(l):
   2         if l<0.0031308:
   3                 return 12.92*l
   4         else:
   5                 return 1.055*(l**(1/2.4))-0.055
   6
   7 def get_colormap(srgb):
   8         if srgb:
   9                 return linear_to_srgb
  10         else:
  11                 return lambda x: x
  12
  13 def make_unique(values):
  14         seen = set()
  15         result = []
  16         for i in values:
  17                 if i not in seen:
  18                         result.append(i)
  19                         seen.add(i)
  20         return result
  21
  22 def get_linked_node_and_socket(node_tree, socket):
  23         for l in node_tree.links:
  24                 if socket==l.to_socket:
  25                         return (l.from_node, l.from_socket)
  26                 elif socket==l.from_socket:
  27                         return (l.to_node, l.to_socket)
  28         return (None, None)
  29
  30 def compute_bounding_sphere(points):
  31         p1 = max(((p, p.length) for p in points), key=lambda x:x[1])[0]
  32         p2 = max(((p, (p-p1).length) for p in points), key=lambda x:x[1])[0]
  33         center = (p1+p2)/2
  34         radius = (p1-p2).length/2
  35         for p in points:
  36                 d = p-center
  37                 if d.length>radius:
  38                         center += d*(1-radius/d.length)/2
  39                         radius = (radius+d.length)/2
  40
  41         return center, radius