-
Notifications
You must be signed in to change notification settings - Fork 0
/
algorithm_plot.py
216 lines (181 loc) · 7.81 KB
/
algorithm_plot.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
import dearpygui.dearpygui as dpg
from algorithms.maze_gen import maze_gen
class AlgorithmVisualizer():
blue = (30, 144, 255)
red = (238, 75, 43)
yellow = (253, 218, 13)
green = (50, 205, 50)
gray = (169, 169, 169)
white = (255, 250, 250)
def __init__(self):
self.size = 15
self.square = 1
self.plot = self._createPlot()
self.start = None
self.start_drawing_alias = None
self.start_text = None
self.end = None
self.end_drawing_alias = None
self.end_text = None
self.obstacles_list = []
self.gridlines = []
self.array = []
self._createArray()
self.drawGridlines()
self._createTheme()
self._clickHandler()
def _createPlot(self):
plot = dpg.add_plot(label="Algorithm",width=500, height=500,
no_title=True, no_menus=True, no_mouse_pos=False, no_box_select=True, equal_aspects=True)
self.x_axis = dpg.add_plot_axis(dpg.mvXAxis, parent=plot, label="", no_tick_labels=True, no_tick_marks=True, lock_min=True, no_gridlines=True)
self.y_axis = dpg.add_plot_axis(dpg.mvYAxis, parent=plot, label="", no_tick_labels=True, no_tick_marks=True, lock_min=True, no_gridlines=True)
dpg.set_axis_limits(axis=self.x_axis, ymin=0, ymax=self.size)
dpg.set_axis_limits(axis=self.y_axis, ymin=0, ymax=self.size)
return plot
def _createArray(self):
self.array.clear()
for y in range(self.size):
self.array.append([])
for x in range(self.size):
self.array[y].append(0)
# Methods
def setStart(self, start: tuple = None):
if start is None:
dpg.set_value(self.start_text, "None")
dpg.delete_item(self.start_drawing_alias)
self.start_drawing_alias = None
self.start = None
else:
if self.array[self.getReverseY(start[1])][start[0]] == 1:
return
dpg.set_value(self.start_text, start)
self.start_drawing_alias = self.drawSquare(start, self.green, need_return=True)
self.start = start
def setEnd(self, end: tuple = None):
if end is None:
dpg.set_value(self.end_text, "None")
dpg.delete_item(self.end_drawing_alias)
self.end_drawing_alias = None
self.end = None
else:
if self.array[self.getReverseY(end[1])][end[0]] == 1:
return
dpg.set_value(self.end_text, end)
self.end_drawing_alias = self.drawSquare(end, self.white, need_return=True)
self.end = end
def setObstacle(self, xy: tuple):
if (xy == self.start or xy == self.end):
return
self.drawSquare(xy, self.gray)
x, y = xy
new_y = (y + (self.size - 1) - (2 * y))
self.array[new_y][x] = 1
def setSizeArray(self, size: int):
self.size = size
self._createArray()
def setSquareSide(self, size: int):
self.square = size
def setMaze(self):
self.resetPlot()
maze = maze_gen(self)
if maze:
self.array = maze
for num_y, y in enumerate(self.array):
for num_x, x in enumerate(y):
if x == 1:
self.drawSquare((num_x, self.getReverseY(num_y)), self.gray)
else:
self.errorMessage("* Error Maze: Plot size < 6")
def getReverseY(self, y: int):
return (y + (self.size - 1) - (2 * y))
def resetPlot(self):
self.setStart(None)
self.setEnd(None)
dpg.delete_item(self.plot, children_only=True, slot=2)
dpg.set_axis_limits(axis=self.x_axis, ymin=0, ymax=self.size)
dpg.set_axis_limits(axis=self.y_axis, ymin=0, ymax=self.size)
self.drawGridlines(delete=False)
self._createArray()
def mousePlotPosToXY(self, mouse_pos):
"""
Returns a tuple `(x, y)` of the PLOT mouse position.
"""
x = (int)(mouse_pos[0] / self.square)
y = (int)(mouse_pos[1] / self.square)
return (x, y)
# Drawing in the plot
def drawAllSquares(self):
"""
Delete all drawn items in the plot and then draw the `start`, `end` and each `obstacle` in the obstacles list.
"""
dpg.delete_item(self.plot, children_only=True, slot=2)
self.drawGridlines(delete=False)
if self.start:
self.start_drawing_alias = self.drawSquare(self.start, self.green, need_return=True)
if self.end:
self.end_drawing_alias = self.drawSquare(self.end, self.white, need_return=True)
def drawWall(self, xy: tuple):
self.drawSquare(xy, self.gray)
def drawSquare(self, xy: tuple, colorRGB: list = [0, 0, 0], thick = 0, need_return: bool = False):
x, y = xy
x *= self.square
y *= self.square
square = dpg.draw_rectangle(parent=self.plot, pmin=[x, y], pmax=[x+self.square, y+self.square], color=(0, 0, 0, -255), fill=colorRGB, thickness=thick)
if need_return:
return square
else:
return None
def drawText(self, text: str, xy: tuple, color: tuple=(255, 255, 255, 255), size: int = 5):
dpg.draw_text(parent=self.plot, text=text, pos=xy, size=size, color=color)
def drawGridlines(self, delete: bool=True):
if delete:
for gridline in self.gridlines:
dpg.delete_item(gridline)
self.gridlines.clear()
new_gridlines = []
for x in range(1, self.size):
new_line = dpg.draw_line(parent=self.plot, p1=(x, 0), p2=(x, self.size), color=(169, 169, 169, 90), thickness=0)
new_gridlines.append(new_line)
for y in range(1, self.size):
new_line = dpg.draw_line(parent=self.plot, p1=(0, y), p2=(self.size, y), color=(169, 169, 169, 90), thickness=0)
new_gridlines.append(new_line)
self.gridlines = new_gridlines
def errorMessage(self, text):
dpg.set_value("error_message_plot", text)
# Themes and Handlers
def _setTextValues(self, start_text, end_text):
self.start_text = start_text
self.end_text = end_text
def _clickAdd_Obstacle(self):
"""
Callback of `_clickHandler` when `mvMouseButton_Left`.
"""
if (dpg.is_item_clicked(self.plot)):
mouse_pos = dpg.get_plot_mouse_pos()
xy = self.mousePlotPosToXY(mouse_pos)
self.setObstacle(xy)
def _clickAdd_StartEnd(self):
"""
Callback of `_clickHandler` when `mvMouseButton_Right`.
"""
if (dpg.is_item_clicked(self.plot)):
mouse_pos = dpg.get_plot_mouse_pos()
xy = self.mousePlotPosToXY(mouse_pos)
if xy == self.start:
self.setStart(None)
elif xy == self.end:
self.setEnd(None)
elif self.start is None:
self.setStart(xy)
elif self.end is None:
self.setEnd(xy)
def _clickHandler(self):
with dpg.handler_registry():
dpg.add_mouse_click_handler(button=dpg.mvMouseButton_Left, callback=self._clickAdd_Obstacle)
dpg.add_mouse_click_handler(button=dpg.mvMouseButton_Right, callback=self._clickAdd_StartEnd)
def _createTheme(self):
with dpg.theme() as plot_style:
with dpg.theme_component(dpg.mvPlot):
dpg.add_theme_style(dpg.mvPlotStyleVar_PlotPadding, 0, 0, category=dpg.mvThemeCat_Plots)
dpg.add_theme_style(dpg.mvPlotStyleVar_MinorAlpha, 0.6, category=dpg.mvThemeCat_Plots)
dpg.bind_item_theme(self.plot, plot_style)