105 lines
3.3 KiB
Python
105 lines
3.3 KiB
Python
from typing import Any
|
|
import pygame as pg
|
|
from effects.effect import Effect, Colors, copy_color, transform_bounce
|
|
import random
|
|
import math
|
|
from typing import Union, Generator
|
|
|
|
|
|
class Spiro(Effect):
|
|
def __init__(
|
|
self,
|
|
bounds: pg.Rect,
|
|
color: Union[pg.Color, Generator[pg.Color, None, None]],
|
|
sizes=(100, 500),
|
|
velocity=(0.1, 1),
|
|
x_factor=(0.1, 1),
|
|
y_factor=(0.1, 1),
|
|
segments=100,
|
|
*groups: pg.sprite.Group,
|
|
) -> None:
|
|
self.min_size = sizes[0]
|
|
self.max_size = sizes[1]
|
|
self.min_velocity = velocity[0]
|
|
self.max_velocity = velocity[1]
|
|
|
|
self.velocity = 0.1 # random.uniform(self.min_velocity, self.max_velocity)
|
|
self.ticks = 0.0
|
|
self.color = color
|
|
self.size = self.max_size
|
|
image = pg.Surface((self.max_size, self.max_size))
|
|
image.fill(Colors.Black)
|
|
image.set_colorkey(Colors.Black)
|
|
|
|
self.R = random.randint(self.max_size / 6, self.max_size / 2)
|
|
self.a = 3/random.randint(4, 10) #random.uniform(0, 1)
|
|
self.k = 3/random.randint(4, 10) #random.uniform(0, 1)
|
|
|
|
self.scan_speed = random.randint(1, 100)
|
|
|
|
self.one_minus_k = 1 - self.k
|
|
self.one_minus_k_div_k = self.one_minus_k / self.k
|
|
self.ak = self.a * self.k
|
|
|
|
print(f"R:{self.R} l:{self.a} k:{self.k}")
|
|
|
|
self.background = pg.Surface((self.max_size, self.max_size))
|
|
self.background.fill(Colors.Black)
|
|
# self.background.set_alpha(4)
|
|
self.background.set_alpha(random.randint(1, 30))
|
|
|
|
super().__init__(
|
|
image,
|
|
pg.Rect(
|
|
bounds.centerx - self.size / 2,
|
|
bounds.centery - self.size / 2,
|
|
self.size,
|
|
self.size,
|
|
),
|
|
*groups,
|
|
)
|
|
self.bounds = bounds
|
|
self.bouncer = transform_bounce(
|
|
bounds=bounds, velocity=velocity, x_factor=x_factor, y_factor=y_factor
|
|
)
|
|
next(self.bouncer)
|
|
|
|
self.cursor = self.calc_pos()
|
|
self.update()
|
|
|
|
def calc_pos(self):
|
|
x = self.max_size / 2 + self.R * (
|
|
self.one_minus_k * math.cos(self.ticks)
|
|
+ self.ak * math.cos(self.one_minus_k_div_k * self.ticks)
|
|
)
|
|
y = self.max_size / 2 + self.R * (
|
|
self.one_minus_k * math.sin(self.ticks)
|
|
- self.ak * math.sin(self.one_minus_k_div_k * self.ticks)
|
|
)
|
|
return x, y
|
|
|
|
def update(self, *args: Any, **kwargs: Any) -> None:
|
|
# new_size = (math.sin(self.ticks) / 2 + 0.5) * (
|
|
# self.max_size - self.min_size
|
|
# ) + self.min_size
|
|
|
|
# new_scale = new_size - self.rect.width
|
|
# self.rect.inflate_ip(new_scale, new_scale)
|
|
|
|
self.rect.center = self.bouncer.send(self.rect.size)
|
|
|
|
self.image.blit(self.background, (0, 0))
|
|
|
|
for _ in range(self.scan_speed):
|
|
new_cursor = self.calc_pos()
|
|
pg.draw.line(
|
|
self.image,
|
|
self.color if isinstance(self.color, pg.Color) else next(self.color),
|
|
self.cursor,
|
|
new_cursor,
|
|
width=10,
|
|
)
|
|
self.cursor = new_cursor
|
|
self.ticks += self.velocity
|
|
|
|
# self.velocity = random.randint(self.min_velocity, self.max_velocity)
|