TexasMap.py

import os
import pygame, sys
from pygame.locals import *
import us_map
import matplotlib.path

BLACK = (0, 0, 0)
BLUE = (0, 245, 255)

STATES = ['AL', 'AK', 'AZ', 'AR', 'CA', 'CO', 'CT', 'DE', 'DC', 'FL', 'GA', 'HI', 'ID', 'IL', 'IN', 'IA', 'KS', 'KY', 'LA', 'ME', 'MD', 'MA', 'MN', 'MS', 'MO', 'MT', 'NE', 'NV', 'NH', 'NJ', 'NM', 'NY', 'NC', 'ND', 'OH', 'OK', 'OR', 'PA', 'RI', 'SC', 'SD', 'TN', 'TX', 'UT', 'VT', 'VA', 'VI', 'WA', 'WV', 'WI', 'WY']
STATE = 'TX'

# set window size
width = 950
height = 650

# initilaise pygame
pygame.init()
windowSurfaceObj = pygame.display.set_mode((width,height),1,16)
pygame.display.update(pygame.Rect(0,0,width,height))

class Slider(object):
    """Makes slider"""
    def __init__(self):
        self.sWidth = 8
        self.sHeight = 40
        self.x = width / 2
        self.a = self.x
        pygame.draw.rect(windowSurfaceObj,BLUE,Rect(self.x,600,self.sWidth,self.sHeight))
    def slider_button(self):
        """move slider"""
        button = pygame.mouse.get_pressed()
        if button[0] != 0:
             pos = pygame.mouse.get_pos()
             x = pos[0]
             y = pos[1]
             a = x - self.sWidth
             if a < 0:
                    a = 0
             elif a > width - self.sWidth:
                    a = width - self.sWidth
             pygame.draw.rect(windowSurfaceObj,BLACK,Rect(0,650,width,-60))
             pygame.draw.rect(windowSurfaceObj,BLUE,Rect(a,600,self.sWidth,self.sHeight))
             for i in StateList:
                i.ColorGradient(a)
                i.Draw_Map()
             pygame.display.update(pygame.Rect(0,0,width,height))
             self.a = a

slider = Slider()
a = slider.a

class State(object):
    """Makes and draws a state"""
    def __init__(self, state, color):
        self.state = state
        self.color = color
    def point_in_polygon(self, pt, polygon):
        """Returns True iff `pt` is inside `polygon`.
        polygon` is a list of tuples `(x, y)`."""

        return matplotlib.path.Path(polygon).contains_point(pt)

    def ColorGradient(self, a):
        """Determines shade of blue/black"""
        percentBlue = ((float(a)-width)/(-width))
        self.color = (0, 245*percentBlue, 255*percentBlue)
        
    def Draw_Map(self):
        """draws state on screen, color determined by ColorGradient()"""
        for polygon in us_map.states[self.state]: #originaly [STATE]
            # `polygon` points are tuples `(float, float)`. PyGame requires `(int, int)`.
            points = [(int(x), int(y)) for x, y in polygon]
            # Draw the interior
            pygame.draw.polygon(windowSurfaceObj, self.color, points)
            # Draw the boundary
            pygame.draw.polygon(windowSurfaceObj, BLACK, points, 1)
        pygame.display.flip()

StateList = []
for i in STATES:
    StateList.append(State(i, (0, 245/2., 255/2.)))
    StateList[-1].Draw_Map()

s = 0
while s == 0:
    slider.slider_button()

# check for ESC key pressed, or pygame window closed, to quit
    for event in pygame.event.get():
        if event.type == QUIT:
            pygame.quit()
            sys.exit()
        elif event.type == KEYDOWN:
            if event.key == K_ESCAPE:
                 pygame.quit()
                 sys.exit()