Snow Melt



9C Do problem 9A, this time with an interactive display of the difference in display area.

back to movies page

---

#
import math
import sys
def stream2 (y1): 
  for a in range (0, 200):
   y = 200-a-y1
   x1= 200-(int(a/2*math.sin(math.pi/30*a))+y)
   x2 = 200-(int(a/2*math.sin(math.pi/30*a))+y)+int(a/2)
   x3= 200-(int(a/2*math.sin(math.pi/30*a))+y)+int(a/3)
   g.setPixel(x1+1, y, 100)
   g.setPixel(x2, y, 100)
   g.setPixel(x3, y, 100)
   g.pause(1) 
  for a in range (0, 200):
   y = 200-a-y1
   x1= 200-(int(a/2*math.sin(math.pi/30*a))+y)
   x2 = 200-(int(a/2*math.sin(math.pi/30*a))+y)+int(a/2)
   x3= 200-(int(a/2*math.sin(math.pi/30*a))+y)+int(a/3)
   g.setPixel(x1+1, y, 0)
   g.setPixel(x2, y, 0)
   g.setPixel(x3, y, 0)
   g.pause(1)
 
def mountains():
 g.line(76, 200, 0, 114)
 for a in range (76, 200):
  x = a
  y = 200-abs((int(a/3*math.cos(math.pi/50*a))))
  g.setPixel(x, y, 100)
  
mountains ()

def snow (x1, x2, y1, color):
 for a in range(x1, x2):
  x=a
  y=y1-abs((int(8*math.cos(math.pi/14*a))))
  g.setPixel(x, y, color)
def snowmelt():
 snow(56, 88, 185,0)
 snow (112, 134, 180,0)
 snow (160, 191, 160,0)
 snow(66,86,190,100)
 snow(117,132,187,100)
 snow(165,185,175,100)
 g.pause(25)
 snow(66,86,190,0)
 snow(117,132,187,0)
 snow(165,185,175,0)
 snow(67,80,195, 100)
 snow(122,129,194, 100)
 snow(170,180,190,100)
 g.pause(25)
 snow(67,80,195, 0)
 snow(122,129,194, 0)
 snow(170,180,190,0)
 
snow(56, 88, 185,100)
snow (112, 134, 180,100)
snow (160, 191, 160,100)


def clickSnow2(x,y):
 if x>=112:
  if x<=134:
   if y>(180-abs((int(8*math.cos(math.pi/14*x))))):
    if y<(200-abs((int(x/3*math.cos(math.pi/50*x))))):
     return 100
 return 0
def clickSnow1(x,y):
 if x>=56:
  if x<=88:
   if y>(180-abs((int(8*math.cos(math.pi/14*x))))):
    if y<(200-abs((int(x/3*math.cos(math.pi/50*x))))):
     return 100
 return 0
def clickSnow3(x,y):
 if x>=160:
  if x<=191:
   if y>(180-abs((int(8*math.cos(math.pi/14*x))))):
    if y<(200-abs((int(x/3*math.cos(math.pi/50*x))))):
     return 100
 return 0   
def isSnow():
 while 1:
  x=g.getMouse(1)
  y=g.getMouse(2)
  if clickSnow2(x, y)==100:  
   snowmelt()
   stream2 ( 40)
   return 0
  if clickSnow1(x, y)==100:  
   snowmelt()
   stream2 ( 40)
   return 0
  if clickSnow3(x, y)==100:  
   snowmelt()
   stream2 ( 40)
   return 0 
isSnow()