def bouncey(points, alpha):
x = AnimationTransition.out_elastic(alpha)
x0, y0, x1, y1 = points
h = (y1 - y0) * x # tend to correct height, from 0
w = (x1 - x0) * (2 - x)
return (
x0 + w * (1 - alpha * alpha), y0,
x0 + w * (1 - alpha * alpha) + w, y0,
x0 + w * (1 - alpha * alpha) + w, y0 + h,
x0 + w * (1 - alpha * alpha), y0 + h,
)
def pop_in(points, alpha):
x = AnimationTransition.out_elastic(alpha)
x0, y0, x1, y1 = points
h = (y1 - y0) * x # tend to correct height, from 0
w = (x1 - x0) * x
cx = (x0 + x1) / 2
return (
cx - w * .5, y0,
cx + w * .5, y0,
cx + w * .5, y0 + h,
cx - w * .5, y0 + h,
)
def bouncey(points, alpha):
x = AnimationTransition.out_elastic(alpha)
x0, y0, x1, y1 = points
h = (y1 - y0) * x # tend to correct height, from 0
w = (x1 - x0) * (2 - x)
return (
x0 + w * (1 - alpha * alpha),
y0,
x0 + w * (1 - alpha * alpha) + w,
y0,
x0 + w * (1 - alpha * alpha) + w,
y0 + h,
x0 + w * (1 - alpha * alpha),
y0 + h,
)
def pop_in(points, alpha):
x = AnimationTransition.out_elastic(alpha)
x0, y0, x1, y1 = points
h = (y1 - y0) * x # tend to correct height, from 0
w = (x1 - x0) * x
cx = (x0 + x1) / 2
return (
cx - w * .5,
y0,
cx + w * .5,
y0,
cx + w * .5,
y0 + h,
cx - w * .5,
y0 + h,
)
