From 2c7a3f61e4ef76e3a9e7956b6193a6bf8be0b70e Mon Sep 17 00:00:00 2001 From: Patrick Moessler Date: Fri, 24 Feb 2023 23:33:37 +0100 Subject: [PATCH] add chase circle effect --- effects/chase_circle.py | 72 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 effects/chase_circle.py diff --git a/effects/chase_circle.py b/effects/chase_circle.py new file mode 100644 index 0000000..0a68824 --- /dev/null +++ b/effects/chase_circle.py @@ -0,0 +1,72 @@ +from effects.effect import MovingEffect +from typing import Any, Optional, Tuple +from util.color import Colors, ColorGenerator +import math +import pygame as pg + +from util.transform import PositionGenerator + + +class ChaseCircle(MovingEffect): + def __init__( + self, + bounds: pg.Rect, + colors: Tuple[ColorGenerator, ColorGenerator], + size: int = 200, + rot_speed: float = 0.5, + thickness: int = 30, + size_factor: float = 1.0, + mover: Optional[PositionGenerator] = None, + on_beat_color: bool = False, + *groups: pg.sprite.Group + ) -> None: + self.color_gen = colors + self.colors = (next(self.color_gen[0]), next(self.color_gen[1])) + self.on_beat_color = on_beat_color + self.angle = 0.0 + self.rot_speed = rot_speed / 180 * math.pi + self.thickness = thickness + self.size_f = size_factor + + image = pg.Surface((size, size)) + image.fill(Colors.Black) + image.set_colorkey(Colors.Black) + super().__init__( + image, + pg.Rect( + bounds.centerx - size / 2, + bounds.centery - size / 2, + size, + size, + ), + mover, + *groups + ) + + self.update(is_beat=True) + + def update(self, *args: Any, **kwargs: Any) -> None: + self.rect.center = self.mover.send((self.rect.size, kwargs["is_beat"])) + + if (not self.on_beat_color) or kwargs["is_beat"]: + self.colors = (next(self.color_gen[0]), next(self.color_gen[1])) + + self.image.fill(Colors.Black) + pg.draw.arc( + self.image, + self.colors[0], + self.image.get_rect(), + self.angle, + self.angle + math.pi * self.size_f, + self.thickness, + ) + pg.draw.arc( + self.image, + self.colors[1], + self.image.get_rect(), + self.angle + math.pi * self.size_f, + self.angle, + self.thickness, + ) + + self.angle = (self.angle + self.rot_speed) % (2 * math.pi)