Files
pyscript/examples/antigravity.py
Jeff Glass a73c73b814 Fix antigravity (#1017)
* Fix antigravity

* Add test

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2022-12-06 19:09:58 +05:30

46 lines
1.3 KiB
Python

import random
from js import DOMParser, document, setInterval
from pyodide.ffi import create_proxy
from pyodide.http import open_url
class Antigravity:
url = "./antigravity.svg"
def __init__(self, target=None, interval=10, append=True, fly=False):
self.target = (
document.getElementById(target)
if isinstance(target, str)
else document.body
)
doc = DOMParser.new().parseFromString(
open_url(self.url).read(), "image/svg+xml"
)
self.node = doc.documentElement
if append:
self.target.append(self.node)
else:
self.target.replaceChildren(self.node)
self.xoffset, self.yoffset = 0, 0
self.interval = interval
if fly:
self.fly()
def fly(self):
setInterval(create_proxy(self.move), self.interval)
def move(self):
char = self.node.getElementsByTagName("g")[1]
char.setAttribute("transform", f"translate({self.xoffset}, {-self.yoffset})")
self.xoffset += random.normalvariate(0, 1) / 20
if self.yoffset < 50:
self.yoffset += 0.1
else:
self.yoffset += random.normalvariate(0, 1) / 20
_auto = Antigravity(append=True)
fly = _auto.fly