def __init__(self, width, height, title):
"""
Set up the application.
"""
super().__init__(width, height, title)
self.shape_list = arcade.ShapeElementList()
self.shape_list.center_x = SCREEN_WIDTH // 2
self.shape_list.center_y = SCREEN_HEIGHT // 2
self.shape_list.angle = 0
point_list = ((0, 50), (10, 10), (50, 0), (10, -10), (0, -50),
(-10, -10), (-50, 0), (-10, 10), (0, 50))
colors = [
getattr(arcade.color, color) for color in dir(arcade.color)
if not color.startswith("__")
]
for i in range(5):
x = SCREEN_WIDTH // 2 - random.randrange(SCREEN_WIDTH - 50)
y = SCREEN_HEIGHT // 2 - random.randrange(SCREEN_HEIGHT - 50)
color = random.choice(colors)
points = [(px + x, py + y) for px, py in point_list]
my_line_strip = arcade.create_line_strip(points, color, 5)
self.shape_list.append(my_line_strip)
point_list = ((-50, -50), (0, 40), (50, -50))
for i in range(5):
x = SCREEN_WIDTH // 2 - random.randrange(SCREEN_WIDTH - 50)
y = SCREEN_HEIGHT // 2 - random.randrange(SCREEN_HEIGHT - 50)
points = [(px + x, py + y) for px, py in point_list]
triangle_filled = arcade.create_triangles_filled_with_colors(
points, random.sample(colors, 3))
self.shape_list.append(triangle_filled)
point_list = ((-50, -70), (-50, 70), (50, 70), (50, -70))
for i in range(5):
x = SCREEN_WIDTH // 2 - random.randrange(SCREEN_WIDTH - 50)
y = SCREEN_HEIGHT // 2 - random.randrange(SCREEN_HEIGHT - 50)
points = [(px + x, py + y) for px, py in point_list]
rect_filled = arcade.create_rectangle_filled_with_colors(
points, random.sample(colors, 4))
self.shape_list.append(rect_filled)
point_list = ((100, 100), (50, 150), (100, 200), (200, 200),
(250, 150), (200, 100))
poly = arcade.create_polygon(point_list, (255, 10, 10))
self.shape_list.append(poly)
ellipse = arcade.create_ellipse(20, 30, 50, 20, (230, 230, 0))
self.shape_list.append(ellipse)
arcade.set_background_color(arcade.color.BLACK)
self.offscreen = self.ctx.framebuffer(
color_attachments=self.ctx.texture((SCREEN_WIDTH, SCREEN_HEIGHT),
wrap_x=gl.GL_CLAMP_TO_EDGE,
wrap_y=gl.GL_CLAMP_TO_EDGE))
self.glow = postprocessing.BloomEffect((SCREEN_WIDTH, SCREEN_HEIGHT))
def __init__(self, width, height, title):
""" Initializer """
# Call the parent class initializer
super().__init__(width, height, title)
# Set the working directory (where we expect to find files) to the same
# directory this .py file is in. You can leave this out of your own
# code, but it is needed to easily run the examples using "python -m"
# as mentioned at the top of this program.
file_path = os.path.dirname(os.path.abspath(__file__))
os.chdir(file_path)
# Variables that will hold sprite lists
self.player_list = None
self.star_sprite_list = None
self.enemy_sprite_list = None
self.bullet_sprite_list = None
# Set up the player info
self.player_sprite = None
# Track the current state of what key is pressed
self.left_pressed = False
self.right_pressed = False
self.up_pressed = False
self.down_pressed = False
self.view_bottom = 0
self.view_left = 0
# Set the background color
arcade.set_background_color(arcade.color.BLACK)
# --- Bloom related ---
# Frame to receive the glow, and color attachment to store each pixel's
# color data
self.bloom_color_attachment = self.ctx.texture(
(SCREEN_WIDTH, SCREEN_HEIGHT))
self.bloom_screen = self.ctx.framebuffer(
color_attachments=[self.bloom_color_attachment])
# Down-sampling helps improve the blur.
# Note: Any item with a size less than the down-sampling size may get missed in
# the blur process. Down-sampling by 8 and having an item of 4x4 size, the item
# will get missed 50% of the time in the x direction, and 50% of the time in the
# y direction for a total of being missed 75% of the time.
down_sampling = 4
# Size of the screen we are glowing onto
size = (SCREEN_WIDTH // down_sampling, SCREEN_HEIGHT // down_sampling)
# Gaussian blur parameters.
# To preview different values, see:
# https://observablehq.com/@jobleonard/gaussian-kernel-calculater
kernel_size = 21
sigma = 4
mu = 0
step = 1
# Control the intensity
multiplier = 2
# Create a post-processor to create a bloom
self.bloom_postprocessing = postprocessing.BloomEffect(
size, kernel_size, sigma, mu, multiplier, step)
def __init__(self, width, height, title):
""" Initializer """
# Call the parent class initializer
super().__init__(width, height, title)
# Set the working directory (where we expect to find files) to the same
# directory this .py file is in. You can leave this out of your own
# code, but it is needed to easily run the examples using "python -m"
# as mentioned at the top of this program.
file_path = os.path.dirname(os.path.abspath(__file__))
os.chdir(file_path)
# Variables that will hold sprite lists
self.player_list = None
self.star_sprite_list = None
self.enemy_sprite_list = None
self.bullet_sprite_list = None
# Set up the player info
self.player_sprite = None
# Track the current state of what key is pressed
self.left_pressed = False
self.right_pressed = False
self.up_pressed = False
self.down_pressed = False
self.view_bottom = 0
self.view_left = 0
# Set the background color
arcade.set_background_color(arcade.color.BLACK)
# --- Bloom related ---
# Make stars glow dimly
self.slight_bloom_color_attachment = self.ctx.texture(
(SCREEN_WIDTH, SCREEN_HEIGHT))
self.slight_bloom_screen = self.ctx.framebuffer(
color_attachments=[self.slight_bloom_color_attachment])
# --- Bloom Related ---
# Down-sampling helps improve the blur.
# Note: Any item with a size less than the down-sampling size may get missed in
# the blur process. Down-sampling by 8 and having an item of 4x4 size, the item
# will get missed 50% of the time in the x direction, and 50% of the time in the
# y direction for a total of being missed 75% of the time.
DOWN_SAMPLING = 4
size = (SCREEN_WIDTH // DOWN_SAMPLING, SCREEN_HEIGHT // DOWN_SAMPLING)
kernel_size = 21
sigma = 4
mu = 0
multiplier = 1.5
step = 1
self.slight_bloom = postprocessing.BloomEffect(size, kernel_size,
sigma, mu, multiplier,
step)
# Make lasers and particles glow bright
self.intense_bloom_color_attachment = self.ctx.texture(
(SCREEN_WIDTH, SCREEN_HEIGHT))
self.intense_bloom_screen = self.ctx.framebuffer(
color_attachments=[self.intense_bloom_color_attachment])
size = (SCREEN_WIDTH // DOWN_SAMPLING, SCREEN_HEIGHT // DOWN_SAMPLING)
kernel_size = 21
sigma = 4
mu = 0
multiplier = 5
step = 1
self.intense_bloom = postprocessing.BloomEffect(
size, kernel_size, sigma, mu, multiplier, step)