Initial commit

demoscene.py

@@ -0,0 +1,60 @@
+#!/usr/bin/env python
+class DemoScene:
+	"""This module implements an example scene with a traveling pixel"""
+
+	def __init__(self, display, config):
+		"""
+		Initialize the module.
+		`display` is saved as an instance variable because it is needed to
+		update the display via self.display.put_pixel() and .render()
+		"""
+		self.display = display
+		self.x_pos = 0  # ..just an example
+		print('DemoScene: yay, initialized')
+
+	def reset(self):
+		"""
+		This method is called before transitioning to this scene.
+		Use it to (re-)initialize any state necessary for your scene.
+		"""
+		self.x_pos = 0
+		print('DemoScene: here we go')
+
+	def input(self, button_id, button_state):
+		"""
+		Handle button input
+		"""
+		print('DemoScene: button {} pressed: {}'.format(button_id, button_state))
+		return False  # signal that we did not handle the input
+
+	def render(self, frame, dropped_frames, fps):
+		"""
+		Render the scene.
+		This method is called by the render loop with the current frame number,
+		the number of dropped frames since the previous invocation and the
+		requested frames per second (FPS).
+		"""
+
+		time_in_seconds = frame * fps
+		if not time_in_seconds.is_integer():
+			# Only update pixel once every second
+			return True
+
+		y = 3
+		color = 64
+		self.display.clear()
+		self.display.put_pixel(self.x_pos, y, color, color, color >> 1)
+		self.display.render()
+		print('DemoScene: rendered a pixel at ({},{})'.format(self.x_pos, y))
+
+		self.x_pos += 1
+		if self.x_pos == self.display.columns:
+			return False   # our work is done!
+
+		return True   # we want to be called again
+
+if __name__ == '__main__':
+	display = None
+	config = None
+	scene = DemoScene(display, config)
+	scene.reset()