Health_Bar_Code.py

# HealthBar Setup
HEALTHBAR_WIDTH = 50
HEALTHBAR_HEIGHT = 10
HEALTHBAR_OFFSET_Y = 50

class Health_Sprite(arcade.Sprite):
    '''Health Sprite'''

    def __init__(self, image, scale, max_health):
        super().__init__(image, scale)

        self.max_health = max_health
        self.cur_health = max_health

    def draw_health_bar(self):
        if self.cur_health < self.max_health:
            arcade.draw_rectangle_filled(center_x=self.center_x,
                                         center_y=self.center_y + HEALTHBAR_OFFSET_Y,
                                         width=HEALTHBAR_WIDTH,
                                         height=HEALTHBAR_HEIGHT,
                                         color=arcade.color.RED)

        health_width = HEALTHBAR_WIDTH * (self.cur_health / self.max_health)

        arcade.draw_rectangle_filled(center_x=self.center_x - 0.5 * (HEALTHBAR_WIDTH - health_width),
                                     center_y=self.center_y + HEALTHBAR_OFFSET_Y,
                                     width=health_width,
                                     height=HEALTHBAR_HEIGHT,
                                     color=arcade.color.GREEN)