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# -*- coding: utf-8 -*-
import pygame
from math import pi
class Thermometer:
def __init__(self, game_board, width, height, scale, color, border_color, rng, number, lbl_dist=5):
self.size = [width * scale, height * scale]
self.center = [self.size[0] // 2, self.size[1] // 2]
self.game_board = game_board
self.color = color
self.border_color = border_color
self.number = number
self.lbl_dist = lbl_dist
self.rng = rng
self.v_margin = int(80 * self.size[0] / 500.0)
self.marker_len10 = int(20 * self.size[0] / 150.0)
self.marker_len5 = int(15 * self.size[0] / 150.0)
self.marker_len = int(10 * self.size[0] / 150.0)
self.bar_width = int(25 * self.size[0] / 150.0)
self.bottom_r = int(30 * self.size[0] / 150.0)
self.v_gauge_margin_t = int(120 * self.size[0] / 500.0)
self.v_gauge_margin_b = int(120 * self.size[0] / 500.0) + self.bottom_r
self.canvas = pygame.Surface([self.size[0], self.size[1] - 1], flags=pygame.SRCALPHA)
self.canvas.fill((0, 0, 0, 0))
self.draw_thermometer()
def get_canvas(self):
return self.canvas
def update_colors(self, color, border_color):
self.color = color
self.border_color = border_color
def update_values(self, number):
self.number = number
self.canvas.fill((0, 0, 0, 0))
self.draw_thermometer()
def draw_thermometer(self):
# set constraints
l = self.center[0] - self.bar_width // 2
r = self.center[0] + self.bar_width // 2
t = self.v_margin + self.bar_width // 2
b = self.size[1] - self.v_margin - self.bottom_r // 2
bw = 2 # border width
# draw 2 vertical borders
pygame.draw.line(self.canvas, self.border_color, [l, t], [l, b], bw)
pygame.draw.line(self.canvas, self.border_color, [r, t], [r, b], bw)
# draw a circle at the bottom
pygame.draw.circle(self.canvas, self.color, (self.center[0], b), self.bottom_r, 0)
pygame.draw.circle(self.canvas, self.border_color, (self.center[0], b), self.bottom_r, bw)
# draw an arc at the top
rct = pygame.Rect((l, t - self.bar_width // 2), (self.bar_width+bw, self.bar_width+bw))
pygame.draw.arc(self.canvas, self.border_color, rct, 0, pi, bw)
# draw markers and numbers
line_length = self.size[1] - self.v_gauge_margin_t - self.v_gauge_margin_b
dist = self.rng[1] - self.rng[0]
step = line_length * 1.0 / (dist + 1)
for i in range(dist, -1, -1):
vl = self.rng[0] + dist - i
if vl % 10 == 0:
ln = self.marker_len10
elif vl % 5 == 0:
ln = self.marker_len5
else:
ln = self.marker_len
pygame.draw.line(self.canvas, self.border_color,
[r, self.v_gauge_margin_t + i * step],
[r + ln, self.v_gauge_margin_t + i * step], 1)
if i % self.lbl_dist == 0:
val = str(vl)
font_size = self.game_board.t_font.size(val)
text = self.game_board.t_font.render(val, 1, self.border_color)
x = r + self.marker_len10 + self.marker_len
y = self.v_gauge_margin_t + i * step - font_size[1] // 2
self.canvas.blit(text, (x, y))
# draw bar fill
bw = 2
t2 = self.size[1] - (self.v_gauge_margin_b + step * (abs(self.rng[0] - self.number) + 1))
pygame.draw.polygon(self.canvas, self.color, [[l+bw, b-bw], [r-bw+1, b-bw], [r-bw+1, t2], [l+bw, t2]])
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