101 lines
3.1 KiB
Python
101 lines
3.1 KiB
Python
from typing import Any, Optional, Tuple
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import pygame as pg
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from effects.effect import MovingEffect
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from util.color import Colors
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import math
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from typing import Union, Generator
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from util.transform import PositionGenerator
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def calc_radii(size, f):
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r_c = size / (5 * f + 2)
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r_a = size / 2 - r_c
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return r_c, r_a
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class Moonflower(MovingEffect):
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def __init__(
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self,
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bounds: pg.Rect,
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colors: Tuple[
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Union[pg.Color, Generator[pg.Color, None, None]],
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Union[pg.Color, Generator[pg.Color, None, None]],
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],
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mover: Optional[PositionGenerator] = None,
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beat_color: bool = False,
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size: int = 100,
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rot_speed: float = 5,
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outer: int = 5,
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*groups: pg.sprite.Group
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) -> None:
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self.rot_speed = rot_speed
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self.rotation = 0.0
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self.colors = colors
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self.beat_color = beat_color
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self.o_count = outer
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self.o_f = 1 / math.sin(math.pi / self.o_count)
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self.spot_radius, self.o_radius = calc_radii(size, self.o_f)
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self.i_radius = (self.o_radius - self.spot_radius) * 0.5
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image = pg.Surface((size, size))
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image.fill(Colors.Black)
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image.set_colorkey(Colors.Black)
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super().__init__(
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image,
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pg.Rect(
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bounds.centerx - size / 2,
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bounds.centery - size / 2,
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size,
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size,
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),
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mover,
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*groups,
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)
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self.bounds = bounds
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# self.bouncer = transform_bounce(
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# bounds=bounds, velocity=velocity, x_factor=x_factor, y_factor=y_factor, on_beat_random_phase=True
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# )
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next(self.mover)
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self.o_color = (
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self.colors[0]
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if isinstance(self.colors[0], pg.Color)
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else next(self.colors[0])
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)
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self.i_color = (
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self.colors[1]
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if isinstance(self.colors[1], pg.Color)
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else next(self.colors[1])
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)
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self.update(is_beat=False)
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def update(self, *args: Any, **kwargs: Any) -> None:
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self.rect.center = self.mover.send((self.rect.size, kwargs["is_beat"]))
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self.image.fill(Colors.Black)
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if not self.beat_color or kwargs["is_beat"]:
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if isinstance(self.colors[0], Generator):
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self.o_color = next(self.colors[0])
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if isinstance(self.colors[1], Generator):
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self.i_color = next(self.colors[1])
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for phi in range(0, 360, 360 // self.o_count):
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rads = math.pi * (phi + self.rotation) / 180
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pos_x = self.rect.width // 2 + self.o_radius * math.cos(rads)
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pos_y = self.rect.height // 2 + self.o_radius * math.sin(rads)
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pg.draw.circle(
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self.image,
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self.o_color,
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(pos_x, pos_y),
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self.spot_radius,
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)
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pg.draw.circle(
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self.image,
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self.i_color,
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self.image.get_rect().center,
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self.i_radius,
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)
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self.rotation += self.rot_speed
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