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Up to physics example in eola chapter 0

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This commit is contained in:
Grant Sanderson
2016-07-12 15:16:20 -07:00
parent c910b00a32
commit d35a8f76ac
9 changed files with 425 additions and 64 deletions
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12
topics/geometry.py
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@ -22,14 +22,12 @@ class Arc(VMobject):
self.scale(self.radius)
def get_unscaled_anchor_points(self):
step = self.angle/self.num_anchors
end_angle = self.start_angle + self.angle
if self.anchors_span_full_range:
end_angle += step
return [
np.cos(a)*RIGHT+np.sin(a)*UP
for a in np.arange(
self.start_angle, end_angle, step
for a in np.linspace(
self.start_angle,
self.start_angle + self.angle,
self.num_anchors
)
]
@ -238,7 +236,7 @@ class Rectangle(VMobject):
"close_new_points" : True,
}
def generate_points(self):
y, x = self.height/2, self.width/2
y, x = self.height/2., self.width/2.
self.set_anchor_points([
x*LEFT+y*UP,
x*RIGHT+y*UP,