added rocket example for showcase #17

main.py

@@ -1,31 +1,8 @@
 
 
 from turtleps import *
+from tests import *
 
-screen = Screen()
-
-
-hideturtle()
-
-ada = Sprite()
-
-ada.forward(100)
-
-init_engine()
-
-def update():
-
-    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())
-
-
-
-    set_timeout(update, interval)    
-
-update()
+test_interactive_loop()
 
+#test_storytelling()

test_main.py

@@ -14,10 +14,11 @@
 from pyodide.http import open_url
 from pyodide.ffi.wrappers import set_timeout
 from pyodide.ffi.wrappers import add_event_listener
+import asyncio
 
 
 from turtleps import *
-import asyncio
+
 
 
 ctx = None

tests.py

@@ -431,6 +431,49 @@ async def test_layers():
     ada.to_background()
 
 
+async def test_interactive_loop():
+
+    screen = Screen()
+    screen.bgpic("img/bg-space-1.gif") 
+    screen.register_shape("img/bg-space-1.gif")
+    screen.register_shape("img/vh-rocket-1ut.gif")
+
+    await asyncio.sleep(0.3)  # TODO improve when we have proper awaiting register_shape
+
+    rocket = Sprite()
+    rocket.shape("img/vh-rocket-1ut.gif")  # rocket looks up
+    rocket.pencolor("yellow")
+    rocket.pensize(5)
+
+
+    rocket.tilt(-90)   # fix image orientation - NOTE: original Python turtle doesn't allow this for images, only for polygons!
+
+    await rocket.say("Are you ready?", 2)  # outside main loop we can use await stuff for intro animations
+    await rocket.say("Use arrow keys!", 2)  
+
+
+    init_engine()
+
+    def update():
+
+        if pressed("ArrowUp"):
+            print("ArrowUp")
+            rocket.forward(5)
+
+        if pressed("ArrowLeft"):
+            print("ArrowLeft")
+            rocket.left(6)
+
+        if pressed("ArrowRight"):
+            print("ArrowRight")
+            rocket.right(6)
+
+        set_timeout(update, interval)    
+
+
+    update()
+
+
 """
 #stop_button = pydom[".cdtn-stop-button"]
 

turtleps.py

@@ -882,6 +882,7 @@ def _predict(self, length):
     def forward(self, length):
         self._position = self._predict(length)
 
+
         self._track.append('{} {} {}'.format(
             'L' if self._down else 'M',
             self._position[0] + self.screen._offset[0],
@@ -1478,11 +1479,6 @@ async def say(self, text, seconds, dx=0, dy=65):
 
 
 
-
-
-
-
-
 
 """
 screen = Screen()