Cars | source code
size(1280,800) speed(50) from math import * from nodebox.geo import * try: tuio = ximport("tuio") except: tuio = ximport("__init__") reload(tuio) global tracking class Remote: '''the remote is actually the car . It has a few variables (speed, color and gets information from the fiducials placed on the table every car has a checkpointlist which keeps the player informed about its current status.''' def __init__(self, x, y,sx,sy,speeder,list,yy): self.x, self.y = x, y self.sx,self.sy = sx,sy self.size = 15.0 self.speeder = speeder self.list = list self.mycplist = [] self.yy = yy self.a = 0 self.kleur = color(random(.6,1.0),random(.6,1.0),0) for i in range(len(self.list)): self.xT = 100+i*20 self.yT = self.yy self.bT = 15 boT = False all = self.xT,self.yT,self.bT,boT self.mycplist.append(all) def draw(self): self.sx = self.speeder*cos(radians(self.a)) self.sy = self.speeder*sin(radians(self.a)) self.x+=self.sx self.y+=self.sy stroke(0);strokewidth(2);fill(self.kleur) oval(self.x-self.size, self.y-self.size, self.size*2, self.size*2) for data in self.mycplist: if not data[3] == False: fill(self.kleur) else: fill(1) oval(data[0],data[1],data[2],data[2]) class Arena: '''the arena consists of 2 paths. the arena itself and a path which is the 'center' of the previous path and which is used to create certain checkpoints''' def __init__(self,pad): self.pad = pad self.midpad = None forms = (oval,rect) a = 4+random(4) for i in range(a): r = 200+random(200) x = (300-a*15)+i*100 y = HEIGHT/2-r/2+random(-100,100) f = choice(forms) xx = (x+(x+r/4))/2 yy = (y+(y+r/4))/2 b = (r+(r/2))/2 segA = f(x,y,r,r) segB = f(x+r/4,y+r/4,r/2,r/2) mseg = f(xx,yy,b,b) seg = segA.xor(segB) if not self.pad and r>250: self.pad = seg if not self.midpad: self.midpad = mseg self.pad = self.pad.union(seg) self.midpad = self.midpad.union(mseg) self.checkpoints() def linedash(self,path,segment=20,gap=10): path._nsBezierPath.setLineDash_count_phase_([segment,gap],2,0) return path '''create a list of checkpoints ''' def checkpoints(self): self.pList = [] num = 0 for path in self.midpad: s = 20 #startcp if num == 0: cp = path.x,path.y,num self.pList.append(cp) #other cps if num%10==0 and num>0 and num: cp = path.x,path.y,num self.pList.append(cp) num+=1 return self.pList '''update checkpoint in checkpointlist from each car/remote based on distance from the car in relation to the checkpoint''' def cpmatrix(self,remote): n = 0 for item in self.pList: dis = distance(item[0],item[1],remote.x,remote.y) #remove color from checkpoints when over startcp if n == 0: if dis < 30: for i in range(len(self.pList)): t = False xt = 100+i*20 remote.mycplist[i] = xt,remote.yT,remote.bT,t #color the checkpoint if dis < 30: t = True xt = 100+n*20 remote.mycplist[n] = xt,remote.yT,remote.bT,t n+=1 '''draw checkpoints ''' def drawcp(self): g = 20 n = 0 fontsize(20) for item in self.pList: fill(0);strokewidth(2) c = 30 oval(item[0]-c/2,item[1]-c/2,c,c) #fill(1) #text(n,item[0]-(textwidth(n)/2),item[1]+(textheight(n)/4)) n+=1 '''draw the arena, the checkpoints and the centerpath in a nice dashed line (as found on the website tutorial section''' def draw(self): fill(0.59,0.64,0.53) stroke(0);strokewidth(3) drawpath(self.pad) d = self.linedash(self.midpad) nofill();stroke(1) drawpath(d) self.drawcp() '''function for building/rebuilding the needed components. rebuiling because placing a certain fiducial (zero) enables the arena to be recreated''' def built(): global tracking,ar,cars,muisdown ar = Arena(None) cars = [] aantalcars = 2 for i in range(aantalcars): xx,yy = ar.midpad[0].x,ar.midpad[0].y remote = Remote(xx,yy,2,2,1,ar.pList,100+i*20) cars.append(remote) muisdown = False def setup(): global tracking built() tracking = tuio.Tracking() '''start marker''' def signs(): global ar fontsize(14) aantal = len(ar.midpad) fill(0);stroke(0);strokewidth(1) line(ar.midpad[0].x,ar.midpad[0].y,ar.midpad[0].x+100,ar.midpad[0].y+100) text("START",ar.midpad[0].x+100,ar.midpad[0].y+100) def draw(): font("Courier Bold",20) global tracking,ar,cars,muisdown tracking.update() #the numbers refer to the fiducial-numbers for obj in tracking.objects(): if obj.id == 1: cars[0].a = obj.angle elif obj.id == 4: cars[1].a = obj.angle elif obj.id == 12: cars[2].a = obj.angle elif obj.id == 81: muisdown = True if muisdown: built() path = ar.pad ar.draw() signs() for remote in cars: ar.cpmatrix(remote) if path.contains(remote.x,remote.y): remote.speeder = 4.0 else: remote.speeder=1.0 remote.draw() def stop(): global tracking tracking.stop()
