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/a-grav.py Secret
Created Jan 3, 2013

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a-grav
# Motion control demo
from scene import *
def hitTest(x1,y1,size1,x2,y2,size2,output=0):
if x1+size1>=x2 and x1<=x2+size2:
if y1+size1>=y2 and y1<=y2+size2:
output=1
if output:
#Calculate origins
ox1=x1+(size1/2)
oy1=y1+(size1/2)
ox2=x2+size2/2
oy2=y2+size2/2
#Difference between origins to locate the direction
difx=ox1-ox2
dify=oy1-oy2
if difx<=0: output1=1#hit from r
else: output1=2#hit from l
if dify<=0: output2=1#hit from t
else: output2=2#hit from b
#check which is most important
if dify<0:dify*=-1
if difx<0:difx*=-1
if difx>dify: output=output1
else: output=output2+2
return output
class MyScene (Scene):
def setup(self):
self.x = 0
self.y = 0
self.smallx=self.size.w * 0.5
self.smally=self.size.h * 0.5
def draw(self):
background(0, 0, 0)
fill(1, 0, 0)
g = gravity()
textOut='x='+str(round(g.x,1))+' y='+str(round(g.y,1))+' z='+str(round(g.z,1))
text(textOut,'Futura',40,*self.bounds.center().as_tuple())
size=((g.z*-1)+2)*10
self.x += g.x * 10
self.y += g.y * 10
self.x = min(self.size.w - size, max(0, self.x))
self.y = min(self.size.h - size, max(0, self.y))
rect(self.x, self.y, size, size)
#self.smallx+=g.x*25
#self.smally+=g.y*25
self.smallx = min(self.size.w - size/2, max(0, self.smallx))
self.smally = min(self.size.h - size/2, max(0, self.smally))
#if self.smallx+size/2>=self.x and self.smallx<=self.x+size:
# if self.smally+size/2>=self.y and self.smally<=self.y+size:
# fill(0,1,1)
test=hitTest(self.smallx,self.smally,size/2,self.x,self.y,size)
if test:
textOut=''
if test==1:
textOut='Hit from R'
self.smallx-=10
elif test==2:
textOut='Hit from L'
self.smallx+=10
elif test==3:
textOut='Hit from T'
self.smally-=10
else:
textOut='Hit from B'
self.smally+=10
text(textOut,'Futura',40,100,40)
fill(0,1,1)
rect(self.smallx, self.smally, size/2, size/2)
run(MyScene())
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