Spinny thing

app.py

@@ -0,0 +1,49 @@
+import app
+import math
+import time
+from events.input import Buttons, BUTTON_TYPES
+from app_components import clear_background
+
+class EMF_Spinner(app.App):
+    def __init__(self):
+        self.button_states = Buttons(self)
+        self.x = -240
+        self.r = 0
+
+    def update(self, delta):
+        if self.button_states.get(BUTTON_TYPES["CANCEL"]):
+            self.button_states.clear()
+            self.minimise()
+
+    def draw(self, ctx):
+        clear_background(ctx)
+        ctx.save()
+        # this seems very resource intensive - perhaps we can avoid redrawing with each rotation of the EMF logo?
+        ctx.linear_gradient(-120,-120,240,240)
+        if self.r in range(0,89):
+            ctx.add_stop(0.0, (46,173,217), 1.0)
+            ctx.add_stop(0.5, (249,226,0), 1.0)
+        elif self.r in range(90,179):
+            ctx.add_stop(0.0, (249,226,0), 1.0)
+            ctx.add_stop(0.5, (246,127,2), 1.0)
+        elif self.r in range(180,269):
+            ctx.add_stop(0.0, (246,127,2), 1.0)
+            ctx.add_stop(0.5, (245,80,137), 1.0)
+        else:
+            ctx.add_stop(0.0, (245,80,137), 1.0)
+            ctx.add_stop(0.5, (46,173,217), 1.0)
+        ctx.rectangle(-120, -120, 240, 240)
+        ctx.fill()
+        # yellow circle around the edge of the screen
+        ctx.rgb(255,234,0).arc(0,0,120,0,2*math.pi, True).stroke()
+        ctx.rotate((self.r*math.pi)/180)
+        ctx.image("/apps/martin_hamilton_EMF_Spinner/emf2024-logo-dark-small.png",self.x,-120,133,235)
+        self.r = self.r + 10
+        if (self.r > 360):
+            self.r = 0
+        if (self.x < -70):
+            self.x = self.x + 10
+        time.sleep(0.01)
+
+__app_export__ = EMF_Spinner
+

tildagon.toml

@@ -0,0 +1,41 @@
+[app]
+# The name of your app as displayed in the menu
+name = "EMF_Spinner"
+
+# The submenu where your app should appear.
+# One of: "Badge", "Music", "Media", "Apps", "Games"
+category = "Badge"
+
+# OPTIONAL: Same as above, for compatibility with older firmware
+# versions that can't handle categories introduced afterwards.
+# One of: "Badge", "Music", "Apps"
+# menu = "Badge"
+
+# OPTIONAL: If your app prefers wifi to be off or on when entering.
+# Useful if you want more resources (false) or need wifi (true).
+# Remove if you don't want to change wifi state!
+#wifi_preference = true
+
+[entry]
+# The name of your entry point `Application` class
+class = "EMF_Spinner"
+
+[metadata]
+# Your nickname.  Must be at most 32 characters!
+author = "MartinH"
+
+# License of your app as an SPDX identifier: <https://spdx.org/licenses/>
+license = "LGPL-3.0-only"
+
+# URL to the repository of your app.
+url = "https://github.com/martin-hamilton/EMF-Spinner"
+
+# Description of your app.  Maximum 140 characters!
+description = "Spinny EMF 2024 logo with trippy background colours"
+
+# Version number of your app.  If you push a commit where this number is
+# increased, we interpret this as a new version being released.
+#
+# Version number must be an integer!
+version = "0.0.1"
+