def __init__(self, spritesheet_resource_name, single_sprite_size, frame_duration, repeat_animation, component_texture_colourkey = None, spritesheet_size = None, component_bounding_rect_size = None, component_bounding_rect_position = None, on_animation_over = None):
super(InternalClockHolder, self).__init__()
# Initialise the component's sprite data object
self.sprite_data = game_resources.SpriteData()
# Set the component's bounding rect size
self.sprite_data.set_bounding_rect_dimensions(single_sprite_size)
# Load the texture for the sprite sheet (the one main image, within which all the images for different stages of
# the animation can be found)
self._sprite_sheet = game_resources.load_texture(spritesheet_resource_name, component_texture_colourkey, spritesheet_size)
# Set variables
self._sprite_frame_duration = frame_duration
self._sprite_rect = pygame.Rect((0, 0), single_sprite_size)
self._sprite_colourkey = component_texture_colourkey
self._repeated = repeat_animation
self.on_animation_over = on_animation_over
self._current_frame = 0
# Calculate the number of frames (using the width of the sprite sheet and the width of the individual sprites)
# The sprite sheet must be correctly sized beforehand
self._total_frame_count = self._sprite_sheet.get_width() / self._sprite_rect.width
# Load the first texture
self.sprite_data.texture = game_resources.load_sub_texture(self._sprite_sheet, self._sprite_rect, self._sprite_colourkey)
def update(self):
# Increase the internal count of the animation
self._internal_count += 1
# If the internal count has reached the point of the next frame
if self._internal_count == (self._current_frame + 1) * self._sprite_frame_duration:
# Updated the position of the dimensions of the current sprite
self._sprite_rect.x = self._sprite_rect.width * self._current_frame
# Re-load the new texture
self.sprite_data.texture = game_resources.load_sub_texture(self._sprite_sheet, self._sprite_rect, self._sprite_colourkey)
# Update the current frame
self._current_frame += 1
# If the internal count has reached the final point along set of frames (it has finished)
if self._internal_count == ((self._total_frame_count + 1) * self._sprite_frame_duration):
# If the animation is supposed to repeat
if self._repeated:
# Reset the animation
reset()
# Otherwise
else:
# Fire the on_animation_over event
self.on_animation_over(self)