def generate_points(
self,
N,
x_min=10,
x_max=SCREEN_WIDTH - 10,
y_min=20,
y_max=SCREEN_HEIGHT - 10,
v_min=0.1,
v_max=2,
):
pts = []
for _ in range(N):
x = pyxel.rndi(x_min, x_max)
y = pyxel.rndi(y_min, y_max)
v = pyxel.rndf(v_min, v_max)
angle = pyxel.rndf(0, 360)
vx = v * pyxel.cos(angle)
vy = v * pyxel.sin(angle)
num_edges = pyxel.rndi(1, 2)
# NOTE: can connect to self which isn't great
connections = [pyxel.rndi(0, N - 1) for _ in range(num_edges)]
pt = Point(x=x, y=y, connections=connections, vx=vx, vy=vy)
pts.append(pt)
return pts
def random(cls):
# worked out the original numbers for 120 so whatever, bodge a scale factor
VY_SCALE = 5.0
args = dict(
x=pyxel.rndi(-10, SCREEN_WIDTH-1),
y=pyxel.rndi(-10, 0),
vx=0.05 + pyxel.rndf(-0.2, 2.0),
vy=pyxel.rndf(VY_SCALE, VY_SCALE + 0.4),
col=cls._COLORS[pyxel.rndi(0, len(cls._COLORS)-1)]
# vx=0.0,
# vy=0.0,
)
return cls(**args)
def __init__(self):
self.r = pyxel.rndf(3, 10)
self.pos = Vec2(
pyxel.rndf(self.r, SCREEN_WIDTH - self.r),
pyxel.rndf(self.r, SCREEN_HEIGHT - self.r),
)
self.vel = Vec2(
pyxel.rndf(-MAX_BUBBLE_SPEED, MAX_BUBBLE_SPEED),
pyxel.rndf(-MAX_BUBBLE_SPEED, MAX_BUBBLE_SPEED),
)
self.color = pyxel.rndi(1, 15)
def __init__(self):
self.stars = []
for i in range(NUM_STARS):
self.stars.append((
pyxel.rndi(0, pyxel.width - 1),
pyxel.rndi(0, pyxel.height - 1),
pyxel.rndf(1, 2.5),
))