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Sped up get_pathstring of camera

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Grant Sanderson 2018-02-10 21:19:26 -08:00
parent 5af31c1b8b
commit d35ba7b196
1 changed files with 15 additions and 14 deletions
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29
camera/camera.py
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@ -179,6 +179,7 @@ class Camera(object):
def capture_mobject(self, mobject, **kwargs): def capture_mobject(self, mobject, **kwargs):
return self.capture_mobjects([mobject], **kwargs) return self.capture_mobjects([mobject], **kwargs)
@profile
def capture_mobjects(self, mobjects, **kwargs): def capture_mobjects(self, mobjects, **kwargs):
self.reset_aggdraw_canvas() self.reset_aggdraw_canvas()
mobjects = self.get_mobjects_to_display(mobjects, **kwargs) mobjects = self.get_mobjects_to_display(mobjects, **kwargs)
@ -269,20 +270,18 @@ class Camera(object):
# points = self.adjust_out_of_range_points(points) # points = self.adjust_out_of_range_points(points)
if len(points) == 0: if len(points) == 0:
continue continue
points = self.align_points_to_camera(points) aligned_points = self.align_points_to_camera(points)
coords = self.points_to_pixel_coords(points) coords = self.points_to_pixel_coords(aligned_points)
start = "M%d %d"%tuple(coords[0]) coord_strings = coords.flatten().astype("string")
#(handle1, handle2, anchor) tripletes #Start new path string with M
triplets = zip(*[ coord_strings[0] = "M" + coord_strings[0]
coords[i+1::3] #The C at the start of every 6th number communicates
for i in range(3) #that the following 6 define a cubic Bezier
]) coord_strings[2::6] = map(lambda s : "C" + str(s), coord_strings[2::6])
cubics = [ #Possibly finish with "Z"
"C" + " ".join(map(str, it.chain(*triplet))) if vmobject.mark_paths_closed:
for triplet in triplets coord_strings[-1] = coord_strings[-1] + " Z"
] result += " ".join(coord_strings)
end = "Z" if vmobject.mark_paths_closed else ""
result += " ".join([start] + cubics + [end])
return result return result
def display_background_colored_vmobject(self, cvmobject): def display_background_colored_vmobject(self, cvmobject):
@ -307,6 +306,8 @@ class Camera(object):
self.pixel_array, array self.pixel_array, array
) )
## Methods for other rendering
def display_point_cloud(self, points, rgbas, thickness): def display_point_cloud(self, points, rgbas, thickness):
if len(points) == 0: if len(points) == 0:
return return