Processing 多面体变化

SimpleFrom.py

class Form:
    def __init__(self, x, y, r):        # Constructor
        self.x = x; self.y = y          # Set x and y position
        self.rad = r                    # Set radius
        self.x_speed = random(-2, 2)  # Set random x speed
        self.y_speed = random(-2, 2)  # Set random y speed
        # self.x_speed = random(-10, 10)  # Set random x speed
        # self.y_speed = random(-10, 10)  # Set random y speed

    def update_me(self):
        self.x = (self.x + self.x_speed) % width  # Moves x and wrap
        self.y = (self.y + self.y_speed) % height # Moves y and wrap

    def draw_me(self):  
        stroke(200)
        point(self.x, self.y)           # Draw a dot
        noStroke(); fill(200,50)
        ellipse(self.x, self.y, self.rad, self.rad) # Draw a circle

    def line_to(self, other):  
        stroke(200)
        line(self.x, self.y, other.x, other.y)

运行

from SimpleForm import Form

def setup():
    size(600, 600)
    background(50)
    global forms
    forms = []
    for i in range(10):
        starting_x = width/4 * random(1, 3)
        starting_y = height/4 * random(1, 3)
        forms.append(Form(starting_x, starting_y, 10))

def draw():
    background(50)               # Clear the screen each time
    for i in range(len(forms)):  
        forms[i].update_me()    # Update the position of each
    for a in range(len(forms)):
        for b in range(len(forms)):
            if a > b:          # Prevents lines drawing twice
                forms[a].line_to(forms[b])