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@pvcraven
Created April 20, 2020 14:08
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"""
Sprite Collect Coins
Simple program to show basic sprite usage.
Artwork from http://kenney.nl
If Python and Arcade are installed, this example can be run from the command line with:
python -m arcade.examples.sprite_collect_coins
"""
import random
import arcade
import os
# --- Constants ---
SPRITE_SCALING_PLAYER = 0.5
SPRITE_SCALING_COIN = .25
COIN_COUNT = 50
SCREEN_WIDTH = 800
SCREEN_HEIGHT = 600
SCREEN_TITLE = "Sprite Collect Coins Example"
class MyGame(arcade.Window):
""" Our custom Window Class"""
def __init__(self):
""" Initializer """
# Call the parent class initializer
super().__init__(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_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.coin_list = None
# Set up the player info
self.player_sprite = None
self.score = 0
# Don't show the mouse cursor
self.set_mouse_visible(False)
arcade.set_background_color(arcade.color.AMAZON)
def setup(self):
""" Set up the game and initialize the variables. """
# Sprite lists
self.player_list = arcade.SpriteList()
self.coin_list = arcade.SpriteList()
# Score
self.score = 0
# Set up the player
# Character image from kenney.nl
self.player_sprite = arcade.Sprite(":resources:images/animated_characters/female_person/femalePerson_idle.png",
SPRITE_SCALING_PLAYER)
self.player_sprite.center_x = 50
self.player_sprite.center_y = 50
self.player_list.append(self.player_sprite)
# Create the coins
for i in range(COIN_COUNT):
# Create the coin instance
# Coin image from kenney.nl
coin = arcade.Sprite(":resources:images/items/coinGold.png",
SPRITE_SCALING_COIN)
# Position the coin
coin.center_x = random.randrange(SCREEN_WIDTH)
coin.center_y = random.randrange(SCREEN_HEIGHT)
# Add the coin to the lists
self.coin_list.append(coin)
def on_draw(self):
""" Draw everything """
arcade.start_render()
self.coin_list.do_something()
self.coin_list.draw()
self.player_list.draw()
# Put the text on the screen.
output = f"Score: {self.score}"
arcade.draw_text(output, 10, 20, arcade.color.WHITE, 14)
def on_mouse_motion(self, x, y, dx, dy):
""" Handle Mouse Motion """
self.coin_list.do_something()
# Move the center of the player sprite to match the mouse x, y
self.player_sprite.center_x = x
self.player_sprite.center_y = y
def on_update(self, delta_time):
""" Movement and game logic """
# Call update on all sprites (The sprites don't do much in this
# example though.)
# self.coin_list.do_something()
self.coin_list.update()
# Generate a list of all sprites that collided with the player.
coins_hit_list = arcade.check_for_collision_with_list(self.player_sprite, self.coin_list)
# Loop through each colliding sprite, remove it, and add to the score.
for coin in coins_hit_list:
coin.remove_from_sprite_lists()
self.score += 1
def main():
""" Main method """
window = MyGame()
window.setup()
arcade.run()
if __name__ == "__main__":
main()
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