104 lines
3.3 KiB
Python
104 lines
3.3 KiB
Python
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from typing import Any
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import pygame as pg
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from effects.effect import Effect, Colors, copy_color, transform_bounce
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import random
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import math
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from typing import Union, Generator
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class Spiro(Effect):
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def __init__(
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self,
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bounds: pg.Rect,
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color: Union[pg.Color, Generator[pg.Color, None, None]],
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sizes=(100, 500),
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velocity=(0.1, 1),
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x_factor=(0.1, 1),
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y_factor=(0.1, 1),
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segments=100,
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*groups: pg.sprite.Group
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) -> None:
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self.min_size = sizes[0]
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self.max_size = sizes[1]
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self.min_velocity = velocity[0]
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self.max_velocity = velocity[1]
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self.velocity = 0.8 # random.randint(self.min_velocity, self.max_velocity)
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self.ticks = 0.0
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self.color = color
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self.size = self.max_size
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# self.size = (math.sin(self.ticks) / 2 + 0.5) * (
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# self.max_size - self.min_size
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# ) + self.min_size
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image = pg.Surface((self.max_size, self.max_size))
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image.fill(Colors.Black)
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image.set_colorkey(Colors.Black)
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self.background = pg.Surface((self.max_size, self.max_size))
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self.background.fill(Colors.Black)
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self.background.set_alpha(5)
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super().__init__(
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image,
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pg.Rect(
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bounds.centerx - self.size / 2,
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bounds.centery - self.size / 2,
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self.size,
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self.size,
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),
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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
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)
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next(self.bouncer)
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self.R = random.randint(1, 10) / 2
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self.r = random.randint(1, int(self.R+0.6)) / 2
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self.a = random.randint(1, 5)
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print(f'R:{self.R} r:{self.r} a:{self.a}')
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self.size_f = (self.size*0.6 - 10) / 2 / (self.R + self.r)
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self.cursor = self.calc_pos()
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self.update()
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def calc_pos(self):
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x = self.max_size / 2 + self.size_f * (
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(self.R - self.r) * math.cos(self.r / self.R * self.ticks)
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+ self.a * math.cos((1 - self.r / self.R) * self.ticks)
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)
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y = self.max_size / 2 + self.size_f * (
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(self.R - self.r) * math.sin(self.r / self.R * self.ticks)
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+ self.a * math.sin((1 - self.r / self.R) * self.ticks)
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)
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return x, y
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def update(self, *args: Any, **kwargs: Any) -> None:
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# new_size = (math.sin(self.ticks) / 2 + 0.5) * (
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# self.max_size - self.min_size
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# ) + self.min_size
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# new_scale = new_size - self.rect.width
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# self.rect.inflate_ip(new_scale, new_scale)
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# self.rect.center = self.bouncer.send(self.rect.size)
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self.image.blit(self.background, (0, 0))
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new_cursor = self.calc_pos()
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pg.draw.line(
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self.image,
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self.color if isinstance(self.color, pg.Color) else next(self.color),
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self.cursor,
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new_cursor,
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width=10,
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)
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self.cursor = new_cursor
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# pg.draw.ellipse(
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# self.image,
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# self.color if isinstance(self.color, pg.Color) else next(self.color),
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# ((0, 0), self.rect.size),
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# )
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self.ticks += self.velocity
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# self.velocity = random.randint(self.min_velocity, self.max_velocity)
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