event loop prototype #8

css/turtleps.css

@@ -1,5 +1,8 @@
 body {
     margin: 0;
+    position: fixed; 
+    overflow-x: hidden;
+    width: 100%;
 }
 
 .pyscript {
@@ -25,6 +28,7 @@ html {
     line-height: 1.5;
 }
 
+
 nav {
     position: sticky;
     width: 100%;

main.py

@@ -1,193 +1,31 @@
-import random
-#import pyscript.web.dom
-from pyscript import when, display
-from pyscript.web import page, img
-
-from js import DOMParser
-from js import (
-    document,
-    Element,
-)
-
-
-from pyscript import window, document
-
-from pyodide.http import open_url
-from pyodide.ffi.wrappers import set_timeout
-from pyodide.ffi.wrappers import add_event_listener
-
+
 
 from turtleps import *
-import asyncio
-
-
-
-ctx = None
-interval=200  # TODO
-
-_pressedKeys = {
-}
-
-
-def _handle_input(e):
-    """ {
-     "key": "a",
-     "keyCode": 65,
-     "which": 65,
-     "code": "KeyA",
-     "location": 0,
-     "altKey": false,
-     "ctrlKey": false,
-     "metaKey": false,
-     "shiftKey": false,
-     "repeat": false
-    }
-
-    {
-     "key": "ArrowLeft",
-     "keyCode": 37,
-     "which": 37,
-     "code": "ArrowLeft",
-     "location": 0,
-     "altKey": false,
-     "ctrlKey": false,
-     "metaKey": false,
-     "shiftKey": false,
-     "repeat": false
-    }
-    """
-    global _pressedKeys
-    if e.type == "keydown":
-        _pressedKeys[e.key] = True
-    elif e.type == "keyup":
-        _pressedKeys[e.key] = False
-
-def btn(key: str):
-    if key in _pressedKeys:
-        return _pressedKeys[key]
-    else:
-        return False
 
+screen = Screen()
 
 
+hideturtle()
 
-def init(sprite, append=True):
-    global ctx 
+ada = Sprite()
 
-    sprite.url = "./antigravity.svg"
-    sprite.target = page["body"][0]
+ada.forward(100)
 
-    doc = DOMParser.new().parseFromString(
-        open_url(sprite.url).read(), "image/svg+xml"    
-    )
-
-    #doc = img(src=sprite.url)
-    #page.append(open_url(sprite.url).read())
-
-    sprite.node = doc.documentElement
-
-    #sprite.node = doc._dom_element
-
-
-
-    ctx = sprite.node
-
-    if append:
-        sprite.target.append(sprite.node)
-    else:
-        sprite.target._js.replaceChildren(sprite.node)
-
-    sprite.x, sprite.y = 0, 0
-
-     #init input
-    add_event_listener(
-        document,
-        "keydown",
-        _handle_input
-    )
-
-    add_event_listener(
-        document,
-        "keyup",
-        _handle_input
-    )
-
-
+init_engine()
 
 def update():
-    global ctx, sprite
 
-    if btn("ArrowUp") or btn(" "):
-        print("DAVID: KEY_UP or KEY_SPACE")
-
-    if btn("q"):
-        print("DAVID: KEY_Q")
-        print("DAVID: QUITTING!")
-        return
-
-    char = sprite.node.getElementsByTagName("g")[1]
-
-    char.setAttribute("transform", f"translate({sprite.x}, {-sprite.y})")
-    sprite.x += random.normalvariate(0, 1) / 20
-    if sprite.y < 50:
-        sprite.y += 0.1
-        sprite.x -= 0.1
-    else:
-        sprite.y += random.normalvariate(0, 1) / 20
-
-    set_timeout(update, interval)    
-
-
-
-def check_type(arg, *types):
-    for t in types:
-        if type(arg) == t:
-            return
-    raise CDTNException(f"Tipo di dato sbagliato per il valore {arg    }!\n Atteso: {types} Ottenuto: {type(arg)}")
-
-
-
-
-
-from tests import *
-
-#sprite = ada
-#init(ada, append=True)
-#rettangolo = ada.add_rect(30,40,fill='rgb(0,255,255)', sid='pippo')
-#rettangolo.setAttribute("fill", "green")
-#rettangolo.fill = "green"  # non funziona
-#update()
-
-#hideturtle()
-
-#await test_turtleps()
+    if pressed("ArrowRight"):
+        print("KEY_RIGHT")
+        ada.goto(ada.xcor() + 10, ada.ycor())
 
+    if pressed("ArrowLeft"):
+        print("KEY_LEFT")
+        ada.goto(ada.xcor() - 10, ada.ycor())
 
-#test_stamp()
-
-#test_big_star()
-
-#await test_storytelling()
-
-#test_load_image()
-
-#await test_layers()
-
-#await test_shapesize_one()
-
-#await test_shapesize_many()
-
-#await test_tilt()
-
-#await test_quadrato_pieno()
-
-#await test_fumetti_ciao()
-
-#await test_fumetti_piu()
-
-#test_text()
-#test_colors()
 
 
+    set_timeout(update, interval)    
 
+update()