def demo(screen):
scenes = []
centre = (screen.width // 2, screen.height // 2)
podium = (8, 5)
# Scene 1.
path = Path()
path.jump_to(-20, centre[1])
path.move_straight_to(centre[0], centre[1], 10)
path.wait(30)
path.move_straight_to(podium[0], podium[1], 10)
path.wait(100)
effects = [
Arrow(screen, path, colour=Screen.COLOUR_GREEN),
_speak(screen, "WELCOME TO ASCIIMATICS", centre, 30),
_speak(screen, "My name is Aristotle Arrow.", podium, 110),
_speak(screen, "I'm here to help you learn ASCIImatics.", podium, 180),
]
scenes.append(Scene(effects))
# Scene 2.
path = Path()
path.jump_to(podium[0], podium[1])
effects = [
Arrow(screen, path, colour=Screen.COLOUR_GREEN),
_speak(screen, "Let's start with the Screen...", podium, 10),
_speak(screen, "This is your Screen object.", podium, 80),
Print(screen,
Box(screen.width, screen.height, uni=screen.unicode_aware),
0,
0,
start_frame=90),
_speak(screen, "It lets you play a Scene like this one I'm in.",
podium, 150),
_speak(screen, "A Scene contains one or more Effects.", podium, 220),
_speak(screen, "Like me - I'm a Sprite!", podium, 290),
_speak(screen, "Or these Stars.", podium, 360),
_speak(screen, "As you can see, the Screen handles them both at once.",
podium, 430),
_speak(screen, "It can handle as many Effects as you like.", podium,
500),
_speak(screen, "Please press <SPACE> now.", podium, 570),
Stars(screen, (screen.width + screen.height) // 2, start_frame=360)
]
scenes.append(Scene(effects, -1))
# Scene 3.
path = Path()
path.jump_to(podium[0], podium[1])
effects = [
Arrow(screen, path, colour=Screen.COLOUR_GREEN),
_speak(screen, "This is a new Scene.", podium, 10),
_speak(
screen, "The Screen stops all Effects and clears itself between "
"Scenes.", podium, 70),
_speak(screen, "That's why you can't see the Stars now.", podium, 130),
_speak(screen, "(Though you can override that if you need to.)",
podium, 200),
_speak(screen, "Please press <SPACE> now.", podium, 270),
]
scenes.append(Scene(effects, -1))
# Scene 4.
path = Path()
path.jump_to(podium[0], podium[1])
effects = [
Arrow(screen, path, colour=Screen.COLOUR_GREEN),
_speak(screen, "So, how do you design your animation?", podium, 10),
_speak(screen, "1) Decide on your cinematic flow of Scenes.", podium,
80),
_speak(screen, "2) Create the Effects in each Scene.", podium, 150),
_speak(screen, "3) Pass the Scenes to the Screen to play.", podium,
220),
_speak(screen, "It really is that easy!", podium, 290),
_speak(screen, "Just look at this sample code.", podium, 360),
_speak(screen, "Please press <SPACE> now.", podium, 430),
]
scenes.append(Scene(effects, -1))
# Scene 5.
path = Path()
path.jump_to(podium[0], podium[1])
effects = [
Arrow(screen, path, colour=Screen.COLOUR_GREEN),
_speak(screen, "There are various effects you can use. For "
"example...", podium, 10),
Cycle(screen,
FigletText("Colour cycling"),
centre[1] - 5,
start_frame=100),
Cycle(screen,
FigletText("using Figlet"),
centre[1] + 1,
start_frame=100),
_speak(screen, "Look in the effects module for more...", podium, 290),
_speak(screen, "Please press <SPACE> now.", podium, 360),
]
scenes.append(Scene(effects, -1))
# Scene 6.
path = Path()
path.jump_to(podium[0], podium[1])
curve_path = []
for i in range(0, 11):
curve_path.append(
(centre[0] + (screen.width / 4 * math.sin(i * math.pi / 5)),
centre[1] - (screen.height / 4 * math.cos(i * math.pi / 5))))
path2 = Path()
path2.jump_to(centre[0], centre[1] - screen.height // 4)
path2.move_round_to(curve_path, 60)
effects = [
Arrow(screen, path, colour=Screen.COLOUR_GREEN),
_speak(screen, "Sprites (like me) are also an Effect.", podium, 10),
_speak(screen, "We take a pre-defined Path to follow.", podium, 80),
_speak(screen, "Like this one...", podium, 150),
Plot(screen,
path2,
colour=Screen.COLOUR_BLUE,
start_frame=160,
stop_frame=300),
_speak(screen, "My friend Sam will now follow it...", podium, 320),
Sam(screen, copy.copy(path2), start_frame=380),
_speak(screen, "Please press <SPACE> now.", podium, 420),
]
scenes.append(Scene(effects, -1))
# Scene 7.
path = Path()
path.jump_to(podium[0], podium[1])
path.wait(60)
path.move_straight_to(-5, podium[1], 20)
path.wait(300)
effects = [
Arrow(screen, path, colour=Screen.COLOUR_GREEN),
_speak(screen, "Goodbye!", podium, 10),
Cycle(screen, FigletText("THE END!"), centre[1] - 4, start_frame=100),
Print(screen,
SpeechBubble("Press X to exit"),
centre[1] + 6,
start_frame=150)
]
scenes.append(Scene(effects, 500))
screen.play(scenes, stop_on_resize=True)
def test_init(self):
# Most of the function in these classes is actually in the Sprite
# base Effect - so just check we can build these classes
self.assertIsNotNone(Sam(None, Path()))
self.assertIsNotNone(Arrow(None, Path()))
self.assertIsNotNone(Plot(None, Path()))