IRESTE/Car.py
2022-02-10 15:54:44 +01:00

83 lines
2.5 KiB
Python

import sumolib
import pygame as pg
import math
class Car:
def initPath(self):
startEdge=self.route[self.index]
nextEdge=self.route[self.index+1]
inverted=not (startEdge.getToNode()==nextEdge.getFromNode() or startEdge.getToNode()==nextEdge.getToNode())
laneId=0 if not inverted else 1
self.laneShape=startEdge.getLane(laneId).getShape()
if(inverted):
self.laneShape.reverse()
print(f"{self.id} : {startEdge.getID()} -> {nextEdge.getID()} via {laneId}")
def __init__(self,carID,route,parentMap,surface):
self.id=carID
self.map=parentMap
self.index=0
self.laneInd=0
self.route=[]
route=list(map(self.map.getEdge,route))
for r,rn in zip(route,route[1:]):
self.route.append(r)
conn=r.getConnections(rn)[0] # Si il trouve pas de connection c'est la merde
edge=self.map.getLane(conn.getViaLaneID()).getEdge()
self.route.append(edge)
self.initPath()
self.pos=list(self.laneShape[0])
self.v=0
self.a=0
self.b=20
self.surf=surface
def draw(self,col):
pg.draw.circle(self.surf,col,self.map.convertPos(self.pos),5)
def conduite(self):
vmax=50 # vitesse max sur la route actuelle
vleader=vmax # vitesse de la voiture leader
bleader=15
vbar=(self.v+vleader)/2
bbar=(bleader+self.b)/2 # decelleration de la vleader et de self
S=5
T=0.3
vsec=vleader+(S-vmax*T)/(vbar/bbar+T)
vd=min(vmax,vsec)
self.v=max(0,vd)
def update(self,dt):
self.conduite()
lgt=self.v*dt
while(lgt>0):
endPos=self.laneShape[self.laneInd+1]
l=math.dist(self.pos,self.laneShape[self.laneInd+1])
if lgt>=l:
lgt-=l
pos=list(self.laneShape[-1])
self.laneInd+=1
if(self.laneInd>=len(self.laneShape)-1):
self.laneInd=0
self.index+=1
if(self.index>=len(self.route)-1):
self.index=0
self.initPath()
self.pos=list(self.laneShape[self.laneInd])
continue
adv=lgt/l
self.pos[0]+=(endPos[0]-self.pos[0])*adv
self.pos[1]+=(endPos[1]-self.pos[1])*adv
lgt=0