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Merge branch 'master' of github.com:3b1b/manim into wallis-g

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Grant Sanderson
2018-04-12 15:12:07 -07:00
parent 60d7a0ef2f de57f96d34
commit 909e67f1d1
6 changed files with 670 additions and 225 deletions
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35
mobject/geometry.py
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@ -717,6 +717,41 @@ class Square(Rectangle):
)
class RoundedRectangle(Rectangle):
CONFIG = {
"corner_radius" : 0.5,
"close_new_points" : True
}
def generate_points(self):
y, x = self.height / 2., self.width / 2.
r = self.corner_radius
arc_ul = ArcBetweenPoints(x * LEFT + (y - r) * UP, (x - r) * LEFT + y * UP, angle = -TAU/4)
arc_ur = ArcBetweenPoints((x - r) * RIGHT + y * UP, x * RIGHT + (y - r) * UP, angle = -TAU/4)
arc_lr = ArcBetweenPoints(x * RIGHT + (y - r) * DOWN, (x - r) * RIGHT + y * DOWN, angle = -TAU/4)
arc_ll = ArcBetweenPoints(x * LEFT + (y - r) * DOWN, (x - r) * LEFT + y * DOWN, angle = TAU/4) # sic! bug in ArcBetweenPoints?
points = arc_ul.points
points = np.append(points,np.array([y * UP]), axis = 0)
points = np.append(points,np.array([y * UP]), axis = 0)
points = np.append(points,arc_ur.points, axis = 0)
points = np.append(points,np.array([x * RIGHT]), axis = 0)
points = np.append(points,np.array([x * RIGHT]), axis = 0)
points = np.append(points,arc_lr.points, axis = 0)
points = np.append(points,np.array([y * DOWN]), axis = 0)
points = np.append(points,np.array([y * DOWN]), axis = 0)
points = np.append(points,arc_ll.points[::-1], axis = 0) # sic! see comment above
points = np.append(points,np.array([x * LEFT]), axis = 0)
points = np.append(points,np.array([x * LEFT]), axis = 0)
points = np.append(points,np.array([x * LEFT + (y - r) * UP]), axis = 0)
points = points[::-1]
self.set_points(points)
class Grid(VMobject):
CONFIG = {
"height": 6.0,