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sim.py
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sim.py
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import tkinter as tk
import time
import math
from insec import *
#thingy1 dimensions 50x50
WIDTH = 1200
HEIGHT = 1000
class thingy1(object):
def __init__(self, canvas, vx, vy, spawnx, spawny):
self.canvas = canvas
self.id = canvas.create_rectangle(spawnx-25, spawny+25, spawnx+25, spawny-25, fill="red")
self.vx = vx
self.vy = vy
self.x = spawnx
self.y = spawny
def move(self):
x1, y1, x2, y2 = self.canvas.bbox(self.id)
if x2 > WIDTH:
self.vx *= -1
if x1 < 0:
self.vx *= -1
if y2 > HEIGHT:
self.vy *= -1
if y1 < 0:
self.vy *= -1
self.canvas.move(self.id,self.vx,self.vy)
def givesides(self):
x1, y1, x2, y2 = self.canvas.bbox(self.id)
return [((x1, y1),(x2, y1)),((x1,y1),(x1,y2)),((x2,y1),(x2,y2)),((x1,y2),(x2,y2))]
class App(object):
def __init__(self,master):
self.master = master
self.canvas = tk.Canvas(root, width = WIDTH, height = HEIGHT)
self.canvas.pack()
self.me = self.canvas.create_rectangle(550,400,650,600, fill="blue")
self.base = (600, 600)
self.distance = []
#ADD LIDAR LINES HERE, left to right
# define line segments, from base to whereever
self.lasers = [(self.base, (0, 600)),
(self.base, (0,650)),
(self.base, (0,700)),
(self.base, (0,750)),
(self.base, (0,800)),
(self.base, (0,850)),
(self.base, (0,900)),
(self.base, (0,950)),
(self.base, (0,1000)),
(self.base, (50,1000)),
(self.base, (100, 1000)),
(self.base, (150, 1000)),
(self.base, (200, 1000)),
(self.base, (250, 1000)),
(self.base, (300, 1000)),
(self.base, (350, 1000)),
(self.base, (400, 1000)),
(self.base, (450, 1000)),
(self.base, (500, 1000)),
(self.base, (550, 1000)),
(self.base, (600, 1000)),
(self.base, (650,1000)),
(self.base, (700, 1000)),
(self.base, (750, 1000)),
(self.base, (800, 1000)),
(self.base, (850, 1000)),
(self.base, (900, 1000)),
(self.base, (950, 1000)),
(self.base, (1000, 1000)),
(self.base, (1050, 1000)),
(self.base, (1100, 1000)),
(self.base, (1150,1000)),
(self.base, (1200, 1000)),
(self.base, (1200, 950)),
(self.base, (1200, 900)),
(self.base, (1200, 850)),
(self.base, (1200, 800)),
(self.base, (1200, 750)),
(self.base, (1200, 700)),
(self.base, (1200, 650)),
(self.base, (1200,600))]
for dims in self.lasers:
self.canvas.create_line(dims[0][0], dims[0][1], dims[1][0], dims[1][1])
#self.distance.append(10000)
for x in range(20):
self.distance.append(10000)
#add obstacles here if necessary
self.things = [thingy1(self.canvas, 2,2,300,600)]#, thingy1(self.canvas, 3, 1, 300,300)]
self.canvas.pack()
self.master.after(0,self.animation)
#determines distance from object if there is one in field of view
def scan(self):
disArray = []
for x in range(20):
disArray.append(10000)
for laser in self.lasers:
mindist = 10000
xIntersect = -1
for obj in self.things: #for each object
sides = obj.givesides()
for side in sides: #for each side of the object
ic = intersects(side, laser)
if (ic == (-1,-1)):
tempd = 10000
else:
#tempd = math.sqrt((self.base[0] - ic[0])**2 + (self.base[1]-ic[1])**2)
tempd = ic[1] - self.base[1]
if tempd < mindist:
mindist = tempd
xIntersect = ic[0]
#disArray.append(mindist)
if (xIntersect != -1):
arrayX = int(xIntersect / 60)
if disArray[arrayX] > mindist:
disArray[arrayX] = mindist
return disArray
def compareDistance(self, curframe):
for x in range(len(curframe)):
#CHANGE THIS AFTER MORE LASERS
if (curframe[x] < self.distance[x] and self.distance[x]-curframe[x] < 1000):
self.canvas.itemconfig(self.me, fill='red')
#IDEA FOR NEW ALGORITHM
#just care about the x-coordinates, if the object is approaching in y dir
#then alert
#moves the GUI by one frame and makes calculations, calls itself when it's done
def animation(self):
self.canvas.itemconfig(self.me, fill = 'blue')
for thing in self.things:
thing.move()
currentframe = self.scan()
self.compareDistance(currentframe)
self.distance = currentframe
self.master.after(10,self.animation)
if __name__ == "__main__":
root = tk.Tk()
canvas = App(root)
root.mainloop()