X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=blender%2Fio_mspgl%2Futil.py;h=6e8ec7746bde7c41b5c4791dfca602d7dd65503b;hb=HEAD;hp=e77e544751abe7b9bcdbfe8ad968ec451b86b2ca;hpb=4791fe8e6451aa6ce62e530fe12904f5cfc112eb;p=libs%2Fgl.git

diff --git a/blender/io_mspgl/util.py b/blender/io_mspgl/util.py
index e77e5447..bfabfa35 100644
--- a/blender/io_mspgl/util.py
+++ b/blender/io_mspgl/util.py
@@ -1,57 +1,3 @@
-import os
-
-class Progress:
-	def __init__(self, context):
-		self.task = ""
-		self.start = 0.0
-		self.delta = 1.0
-		self.last = 0.0
-		self.stack = []
-		if context:
-			self.window_manager = context.window_manager
-			self.window_manager.progress_begin(0.0, 1.0)
-		else:
-			self.window_manager = None
-
-	def push_task(self, task, low, high):
-		self.stack.append((self.task, self.start, self.delta))
-		self.set_task(task, low, high)
-
-	def push_task_slice(self, task, index, count):
-		self.push_task(task, index/count, (index+1)/count)
-
-	def pop_task(self):
-		if not self.stack:
-			return
-
-		self.set_progress(1.0)
-		self.task, self.start, self.delta = self.stack.pop()
-
-	def set_task(self, task, low, high):
-		if self.stack:
-			outer = self.stack[-1]
-			if outer[0]:
-				task = "{}: {}".format(outer[0], task)
-			low = outer[1]+low*outer[2]
-			high = outer[1]+high*outer[2]
-
-		self.task = task
-		self.start = low
-		self.delta = high-low
-
-		self.set_progress(0.0)
-
-	def set_task_slice(self, task, index, count):
-		self.set_task(task, index/count, (index+1)/count)
-
-	def set_progress(self, value):
-		value = self.start+self.delta*value
-		if value>self.last+0.001:
-			if self.window_manager:
-				self.window_manager.progress_update(value)
-			self.last = value
-
-
 def linear_to_srgb(l):
 	if l<0.0031308:
 		return 12.92*l
@@ -64,11 +10,6 @@ def get_colormap(srgb):
 	else:
 		return lambda x: x
 
-def basename(path):
-	if path.startswith("//"):
-		path = path[2:]
-	return os.path.basename(path)
-
 def make_unique(values):
 	seen = set()
 	result = []
@@ -85,3 +26,16 @@ def get_linked_node_and_socket(node_tree, socket):
 		elif socket==l.from_socket:
 			return (l.to_node, l.to_socket)
 	return (None, None)
+
+def compute_bounding_sphere(points):
+	p1 = max(((p, p.length) for p in points), key=lambda x:x[1])[0]
+	p2 = max(((p, (p-p1).length) for p in points), key=lambda x:x[1])[0]
+	center = (p1+p2)/2
+	radius = (p1-p2).length/2
+	for p in points:
+		d = p-center
+		if d.length>radius:
+			center += d*(1-radius/d.length)/2
+			radius = (radius+d.length)/2
+
+	return center, radius