patterns

# lines: make lots of lines on the screen

import pippy, pygame, sys, math
from pygame.locals import *
from random import *

# XO screen is 1200x900
size = width, height = 1200, 900

# always need to init first thing
pygame.init()

# turn off the cursor
pygame.mouse.set_visible(False)

# create the window and keep track of the surface
# for drawing into
screen = pygame.display.set_mode(size)
# start the screen all black
screen.fill((0,0,0))

# we need starting endpoints for the line and seed motion vectors
start=[randint(0,size[0]), randint(0,size[1])]
end  =[randint(0,size[0]), randint(0,size[1])]

# randomize the motion, 1..3 in each direction, positive or negative, but
# never 0
mvect_start = [choice((-1,1)) * randint(1,3), choice((-1,1)) * randint(1,3)]
mvect_end   = [choice((-1,1)) * randint(1,3), choice((-1,1)) * randint(1,3)]

# start with a random color and color direction
color = [randint(0,255), randint(0,255), randint(0,255)]
direction = [choice((-1,1)), choice((-1,1)), choice((-1,1))]

t=10
R=60
r=-25
a=400
x=100
y=110

while pippy.pygame.next_frame():

#  for event in pygame.event.get():
#    if event.type == QUIT:
#      sys.exit()

    #elif event.type == K_SPACE:
  while 1==1:    
    for idle_event in pygame.event.get():
      if idle_event.type == QUIT:
        sys.exit()

      if idle_event.type == KEYDOWN:
        if idle_event.key == K_ESCAPE:
          sys.exit()

        while idle_event.key == K_RIGHT:
          t= t+.1
          x =((R+r)*math.cos((r*t)/t))-(a*(math.cos((1+(r/R)*t))))+(width/2)
          y =((R+r)*math.sin((r*t)/t))-(a*(math.sin((1+(r/R)*t))))+(height/2)

          for i in range(3):
            color[i] = color[i] + direction[i]


          for i in range(3) :
            if color[i] < 0:
              color[i] = 0
              direction[i] = direction[i] * -1
            elif color[i] >= 255 :
              color[i] = 255
              direction[i] = direction[i] * -1

  # randomly change the color directon on occasion
          if randint(0,511) == 128:
            for i in range(3):
              direction[i] = choice((-1,1))

  # draw the line using the current values and width=3
          pygame.draw.circle(screen, color, [x,y], 3.5)

  # update the display
          pygame.display.flip()
#KEY 2
        while idle_event.key == K_LEFT: 
          t= t+.1
          R=60
          r=55
          p=59
          x =(1.5)*((R+r)*math.cos(t)+p*math.cos((R+r)*t/2))+(width/2)
          y =(1.5)*((R+r)*math.sin(t)+p*math.sin((R+r)*t/2))+(height/2)

          for i in range(3):
            color[i] = color[i] + direction[i]


          for i in range(3) :
            if color[i] < 0:
              color[i] = 0
              direction[i] = direction[i] * -1
            elif color[i] >= 255 :
              color[i] = 255
              direction[i] = direction[i] * -1

  # randomly change the color directon on occasion
          if randint(0,511) == 128:
            for i in range(3):
              direction[i] = choice((-1,1))

  # draw the line using the current values and width=3
          pygame.draw.circle(screen, color, [x,y], 1.5)

  # update the display
          pygame.display.flip()

#KEY UP

        while idle_event.key == K_UP: 
          t= t+.1
          R=77
          r=24
          p=22
          #x =(R+r)*math.cos(t)+p*math.cos((R+r)*t/2)+(width/2)
          #y =(R+r)*math.sin(t)+p*math.sin((R+r)*t/2)+(height/2)
          x=(R+r)*math.cos(t)+p*math.cos((R+r)*t/r)+(width/2)
          y=(R+r)*math.sin(t)+p*math.sin((R+r)*t/r)+height/2
          #x =(R-r)*math.cos(t)+p*math.cos((R/r-1)*t)+width/2
          #y =(R-r)*math.sin(t)+p*math.sin((R/r-1)*t)+height/2
          
          for i in range(3):
            color[i] = color[i] + direction[i]


          for i in range(3) :
            if color[i] < 0:
              color[i] = 0
              direction[i] = direction[i] * -1
            elif color[i] >= 255 :
              color[i] = 255
              direction[i] = direction[i] * -1

  # randomly change the color directon on occasion
          if randint(0,511) == 128:
            for i in range(3):
              direction[i] = choice((-1,1))

  # draw the line using the current values and width=3
          pygame.draw.circle(screen, color, [x,y], 3)

  # update the display
          pygame.display.flip()


#KEY DOWN

        while idle_event.key == K_DOWN: 
          t= t+.1
          R=77
          r=4
          p=100
          x= (R-r)*math.cos(t)+p*math.cos((R-r)/r*t)+width/2
          y= (R-r)*math.sin(t)+p*math.cos((R-r)/r*t)+height/2

          for i in range(3):
            color[i] = color[i] + direction[i]


          for i in range(3) :
            if color[i] < 0:
              color[i] = 0
              direction[i] = direction[i] * -1
            elif color[i] >= 255 :
              color[i] = 255
              direction[i] = direction[i] * -1

  # randomly change the color directon on occasion
          if randint(0,511) == 128:
            for i in range(3):
              direction[i] = choice((-1,1))

  # draw the line using the current values and width=3
          pygame.draw.circle(screen, color, [x,y], 3)

  # update the display
          pygame.display.flip()

#Key A


        while idle_event.key == K_a: 
          t= t+.1
          R=79
          r=-78
          p=99
          x= (R-r)*math.cos(t)+p*math.cos((R-r)/r*t)+width/2
          y= (R-r)*math.sin(t)+p*math.cos((R-r)/r*t)+height/2

          for i in range(3):
            color[i] = color[i] + direction[i]


          for i in range(3) :
            if color[i] < 0:
              color[i] = 0
              direction[i] = direction[i] * -1
            elif color[i] >= 255 :
              color[i] = 255
              direction[i] = direction[i] * -1

  # randomly change the color directon on occasion
          if randint(0,511) == 128:
            for i in range(3):
              direction[i] = choice((-1,1))

  # draw the line using the current values and width=3
          pygame.draw.circle(screen, color, [x,y], 3)

  # update the display
          pygame.display.flip()

#Key b


        while idle_event.key == K_b: 
          t= t+.1
          R=30
          r=2
          p=100
          x= (R-r)*math.cos(t)+p*math.cos((R-r)/r*t)+width/2
          y= (R-r)*math.sin(t)+p*math.cos((R-r)/r*t)+height/2

          for i in range(3):
            color[i] = color[i] + direction[i]


          for i in range(3) :
            if color[i] < 0:
              color[i] = 0
              direction[i] = direction[i] * -1
            elif color[i] >= 255 :
              color[i] = 255
              direction[i] = direction[i] * -1

  # randomly change the color directon on occasion
          if randint(0,511) == 128:
            for i in range(3):
              direction[i] = choice((-1,1))

  # draw the line using the current values and width=3
          pygame.draw.circle(screen, color, [x,y], 3)

  # update the display
          pygame.display.flip()

#Key c


        while idle_event.key == K_c: 
          t= t+.1
          R=100
          r=2
          p=5
          x= 2*(R-r)*math.cos(t)+2*p*math.cos((R-r)/r*t)+width/2
          y= 2*(R-r)*math.sin(t)+2*p*math.cos((R-r)/r*t)+height/2

          for i in range(3):
            color[i] = color[i] + direction[i]


          for i in range(3) :
            if color[i] < 0:
              color[i] = 0
              direction[i] = direction[i] * -1
            elif color[i] >= 255 :
              color[i] = 255
              direction[i] = direction[i] * -1

  # randomly change the color directon on occasion
          if randint(0,511) == 128:
            for i in range(3):
              direction[i] = choice((-1,1))

  # draw the line using the current values and width=3
          pygame.draw.circle(screen, color, [x,y], 3)

  # update the display
          pygame.display.flip()
#Key d


        while idle_event.key == K_d: 
          t= t+.1
          R=79
          r=-78
          p=99
          x =(R-r)*math.cos(t)+p*math.cos((R/r-1)*t)+width/2
          y =(R-r)*math.sin(t)+p*math.sin((R/r-1)*t)+height/2

          for i in range(3):
            color[i] = color[i] + direction[i]


          for i in range(3) :
            if color[i] < 0:
              color[i] = 0
              direction[i] = direction[i] * -1
            elif color[i] >= 255 :
              color[i] = 255
              direction[i] = direction[i] * -1

  # randomly change the color directon on occasion
          if randint(0,511) == 128:
            for i in range(3):
              direction[i] = choice((-1,1))

  # draw the line using the current values and width=3
          pygame.draw.circle(screen, color, [x,y], 3)

  # update the display
          pygame.display.flip()
#KEY e
        while idle_event.key == K_e: 
          t= t+.1
          R=49
          r=3
          p=55
          x =(1.5)*((R+r)*math.cos(t)+p*math.cos((R+r)*t/2))+(width/2)
          y =(1.5)*((R+r)*math.sin(t)+p*math.sin((R+r)*t/2))+(height/2)

          for i in range(3):
            color[i] = color[i] + direction[i]


          for i in range(3) :
            if color[i] < 0:
              color[i] = 0
              direction[i] = direction[i] * -1
            elif color[i] >= 255 :
              color[i] = 255
              direction[i] = direction[i] * -1

  # randomly change the color directon on occasion
          if randint(0,511) == 128:
            for i in range(3):
              direction[i] = choice((-1,1))

  # draw the line using the current values and width=3
          pygame.draw.circle(screen, color, [x,y], 3)

  # update the display
          pygame.display.flip()

#KEY f
        while idle_event.key == K_f: 
          t= t+.1
          R=56
          r=50
          p=70
          x =(1.5)*((R+r)*math.cos(t)+p*math.cos((R+r)*t/2))+(width/2)
          y =(1.5)*((R+r)*math.sin(t)+p*math.sin((R+r)*t/2))+(height/2)

          for i in range(3):
            color[i] = color[i] + direction[i]


          for i in range(3) :
            if color[i] < 0:
              color[i] = 0
              direction[i] = direction[i] * -1
            elif color[i] >= 255 :
              color[i] = 255
              direction[i] = direction[i] * -1

  # randomly change the color directon on occasion
          if randint(0,511) == 128:
            for i in range(3):
              direction[i] = choice((-1,1))

  # draw the line using the current values and width=3
          pygame.draw.circle(screen, color, [x,y], 3)

  # update the display
          pygame.display.flip()
#KEY g
        while idle_event.key == K_g: 
          t= t+.1
          
          x =50*((5-1.02)*math.cos(1.028*t/5)+2*math.cos((1-1.02/5)*t))+(width/2)
          y =50*((5-1.02)*math.sin(1.028*t/5)+2*math.sin((1-1.02/5)*t))+(height/2)

          for i in range(3):
            color[i] = color[i] + direction[i]


          for i in range(3) :
            if color[i] < 0:
              color[i] = 0
              direction[i] = direction[i] * -1
            elif color[i] >= 255 :
              color[i] = 255
              direction[i] = direction[i] * -1

  # randomly change the color directon on occasion
          if randint(0,511) == 128:
            for i in range(3):
              direction[i] = choice((-1,1))

  # draw the line using the current values and width=3
          pygame.draw.circle(screen, color, [x,y], 3)

  # update the display
          pygame.display.flip()



#------------------
  # update the end points and the color