def ROUND(a):
return int(a + 0.5)
def drawDDA(x1,y1,x2,y2):
x,y = x1,y1
return int(a + 0.5)
def drawDDA(x1,y1,x2,y2):
x,y = x1,y1
length = (x2-x1) if (x2-x1) > (y2-y1) else (y2-y1)
dx = (x2-x1)/float(length)
dy = (y2-y1)/float(length)
print ('x = %s, y = %s' % (((ROUND(x),ROUND(y)))))
for i in range(length):
x += dx
y += dy
print ('x = %s, y = %s' % (((ROUND(x),ROUND(y)))))
drawDDA(2,5,10,20)
dx = (x2-x1)/float(length)
dy = (y2-y1)/float(length)
print ('x = %s, y = %s' % (((ROUND(x),ROUND(y)))))
for i in range(length):
x += dx
y += dy
print ('x = %s, y = %s' % (((ROUND(x),ROUND(y)))))
drawDDA(2,5,10,20)
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