def __init__(self, *args):
super(MandelbrotSet, self).__init__(*args)
self.caption = '测试场景: MandelbrotSet'
self.width, self.height = 600, 600
self.canvas = pygame.Surface((self.width, self.height))
# self.canvas.lock()
self.max_iteration = 100
for x in range(self.width):
for y in range(self.height):
a = mapping(x, 0, self.width, -1.5, 1.5)
b = mapping(y, 0, self.height, -1.5, 1.5)
ca, cb = a, b
n = 0
while n < self.max_iteration: # 迭代
aa, bb = a * a - b * b, 2 * a * b
a, b = aa + ca, bb + cb
if abs(a + b) > 16:
break
n += 1
bright = mapping(n, 0, self.max_iteration, 0, 1)
bright = mapping(math.sqrt(bright), 0, 1, 0, 255)
if n is self.max_iteration:
bright = 0
self.canvas.set_at([x, y], (bright, bright, bright))
def __init__(self, *args):
super(JuliaSet, self).__init__(*args)
self.caption = '测试场景: JuliaSet'
self.real = -0.70176 # 0.285 # -0.70176 # -0.8 # 实部
self.imaginary = -0.3842 # 0.01 # -0.3842 # 0.156 # 虚部
self.width, self.height = 600, 600
self.canvas = pygame.Surface((self.width, self.height))
self.w = 5
self.h = (self.w * self.height) / self.width
self.x_min = - self.w / 2
self.y_min = - self.h / 2
self.x_max = self.x_min + self.w
self.y_max = self.y_min + self.h
self.dx = (self.x_max - self.x_min) / self.width
self.dy = (self.y_max - self.y_min) / self.height
self.max_iteration = 100
self.y = self.y_min
for i in range(self.width):
self.x = self.x_min
for j in range(self.height):
a = self.y
b = self.x
n = 0
while n < self.max_iteration: # 迭代
aa, bb = a * a, b * b
ab_double = 2 * a * b
a, b = aa - bb + self.real, ab_double + self.imaginary
if aa * aa + bb * bb > 16:
break
n += 1
if n == self.max_iteration:
self.canvas.set_at([i, j], (0, 0, 0))
else:
norm = mapping(n, 0, self.max_iteration, 0, 1)
norm = mapping(math.sqrt(norm), 0, 1, 0, 255)
self.canvas.set_at([i, j], (norm, norm, norm))
self.x += self.dx
self.y += self.dy
def draw(self):
if not pygame.mixer.music.get_busy():
self.player.active('0')
pygame.mixer.music.play()
ma, fps = 0, 60
if self.FPS != 0:
fps = self.FPS
lis = self.player.getMsg('0', round(1 / fps * 8000))
for n in lis:
if n > ma:
ma = n
if ma != 0:
p = mapping(ma, 0, 6000, 0, 5)
p = round(p)
else:
p = 0
t = self.frameCount / 180
for i in range(random.randint(0, p)):
self.snowflakes.append(snowFlake(self.width, self.height))
for flake in self.snowflakes:
flake.update(t, self.snowflakes)
flake.display(self.screen)
def draw(self):
self.sceneCanvas.fill((0, 0, 0))
self.sceneCanvas.set_alpha(20)
# 创建圆
for i in range(0, 800, 30):
for j in range(0, 600, 30):
# 每个圆的初始位置取决于鼠标位置
ax = mapping(self.mouseX, 0, 800, -4 * PI, 4 * PI)
ay = mapping(self.mouseY, 0, 600, -4 * PI, 4 * PI)
# 根据圆的位置获取角度
angle = ax * (i / 800) + ay * (j / 600)
# 每个圆做圆周运动
x = i + 20 * cos(2 * PI * self.t + angle)
y = j + 20 * sin(2 * PI * self.t + angle)
Painter(self.sceneCanvas).Circle(Circle(x, y, 10), (0, 255, 0), 0)
self.t += 0.01 # 更新时间
self.screen.blit(self.sceneCanvas, (0, 0))
def __init__(self, *args):
super(IFS, self).__init__(*args)
self.caption = '测试场景: Iterated function system 迭代分形系统'
self.width, self.height = 600, 600
self.canvas = pygame.Surface((self.width, self.height))
self.max_iteration = 100
for x in range(self.width):
for y in range(self.height):
a = mapping(x, 0, self.width, -1.5, 1.5)
b = mapping(y, 0, self.height, -1.5, 1.5)
ca, cb = a, b
n = 0
while n < self.max_iteration: # 迭代
ran = random.randint(0, 3)
if ran == 0:
a, b = self.__rul_0(a, b, ca, cb)
elif ran == 1:
a, b = self.__rul_1(a, b, ca, cb)
elif ran == 2:
a, b = self.__rul_2(a, b, ca, cb)
elif ran == 3:
a, b = self.__rul_3(a, b, ca, cb)
# aa, bb = a * a - b * b, 2 * a * b
# a, b = aa + ca, bb + cb
if abs(a + b) > 16:
break
n += 1
bright = mapping(n, 0, self.max_iteration, 0, 1)
bright = mapping(math.sqrt(bright), 0, 1, 0, 255)
if n is self.max_iteration:
bright = 0
self.canvas.set_at([x, y], (bright, bright, bright))
def setup(self):
for i in range(0, self.width, 20):
y = mapping(noise(10), 0, 1, 0, 600)
self.pixies.append(point2(i - 1, y))
self.pixies.append(point2(i, 300))
def __getBgPosBySlidY(self):
return self.__areaBgPos[0], int(mapping(self.__slidPosY, 0, self.area.h, 0, self.__allTextLength))
def __getSlidYByBgPos(self):
return int(mapping(abs(self.__areaBgPos[1]), 0, self.__allTextLength, 0, self.area.h))