2007. 6. 25. 18:50
Code/NodeBox
class Boid:
def __init__(self,x,y,vx,vy):
self.x=x
self.y=y
self.vx=vx
self.vy=vy
self.tx=0
self.ty=0
def target(self,tx,ty):
self.tx=tx
self.ty=ty
# oval(tx,ty,30,30)
def chase(self):
dx=self.tx-self.x
dy=self.ty-self.y
sx=dx-self.vx
sy=dy-self.vy
ax=0
ay=0
ax+=sx/random(10,100)
ay+=sy/random(10,100)
self.vx+=ax
self.vy+=ay
self.x+=self.vx
self.y+=self.vy
r=10
maxs=10
if (dx==0) & (dy==0):
self.vx=0
self.vy=0
if (dx>-r) & (dy<r):
self.vx/=2
self.vy/=2
if (self.vx>maxs):
self.vx=maxs
if (self.vx<-maxs):
self.vx=-maxs
if (self.vy>maxs):
self.vy=maxs
if (self.vy<-maxs):
self.vy=-maxs
def render(self):
fill(0.5)
ovalc(self.x, self.y, 10, 10)
#def update(self,ax,ay):
# self.ax=0
# self.ay=0
def boarders(self):
r=10
if (self.x<-r):
self.x=WIDTH+r
if (self.y<-r):
self.y=HEIGHT+r
if (self.x>WIDTH+r):
self.x=-r
if (self.y>HEIGHT+r):
self.y=-r
def ovalc(x,y,w,h):
x=x-w/2
y=y-h/2
oval(x,y,w,h)
size(300,300)
speed(100)
def setup():
global b
b=range(20)
for i in range(20):
b[i]=Boid(i*random(100), i*random(100), i*random(10), i*random(10))
def draw():
global b
fill(0)
ovalc(MOUSEX,MOUSEY,30,30)
for i in b:
i.target(MOUSEX,MOUSEY)
i.chase()
i.boarders()
i.render()
def __init__(self,x,y,vx,vy):
self.x=x
self.y=y
self.vx=vx
self.vy=vy
self.tx=0
self.ty=0
def target(self,tx,ty):
self.tx=tx
self.ty=ty
# oval(tx,ty,30,30)
def chase(self):
dx=self.tx-self.x
dy=self.ty-self.y
sx=dx-self.vx
sy=dy-self.vy
ax=0
ay=0
ax+=sx/random(10,100)
ay+=sy/random(10,100)
self.vx+=ax
self.vy+=ay
self.x+=self.vx
self.y+=self.vy
r=10
maxs=10
if (dx==0) & (dy==0):
self.vx=0
self.vy=0
if (dx>-r) & (dy<r):
self.vx/=2
self.vy/=2
if (self.vx>maxs):
self.vx=maxs
if (self.vx<-maxs):
self.vx=-maxs
if (self.vy>maxs):
self.vy=maxs
if (self.vy<-maxs):
self.vy=-maxs
def render(self):
fill(0.5)
ovalc(self.x, self.y, 10, 10)
#def update(self,ax,ay):
# self.ax=0
# self.ay=0
def boarders(self):
r=10
if (self.x<-r):
self.x=WIDTH+r
if (self.y<-r):
self.y=HEIGHT+r
if (self.x>WIDTH+r):
self.x=-r
if (self.y>HEIGHT+r):
self.y=-r
def ovalc(x,y,w,h):
x=x-w/2
y=y-h/2
oval(x,y,w,h)
size(300,300)
speed(100)
def setup():
global b
b=range(20)
for i in range(20):
b[i]=Boid(i*random(100), i*random(100), i*random(10), i*random(10))
def draw():
global b
fill(0)
ovalc(MOUSEX,MOUSEY,30,30)
for i in b:
i.target(MOUSEX,MOUSEY)
i.chase()
i.boarders()
i.render()
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