Class Vector

thirdparty/panelize.py:316–376

class Vector( KicadObj ):

	def __init__( self, name, x=None, y=None ):
		KicadObj.__init__( self, name )
		self.x = x
		self.y = y

	def tag_value( self, factory, value ):
		if self.x == None:
			self.x = float(value)
		elif self.y == None:
			self.y = float(value)
		else:
			factory.parse_error( "too many values for '%s'" % self.obj_name )

	def clone( self ):
		return Vector( self.obj_name, self.x, self.y )

	def is_set( self ):
		return self.y != None

	def write_contents( self, writer ):
		writer.write_float( self.x )
		writer.write_float( self.y )

	def __add__( self, v ):
		return Vector( self.obj_name, self.x+v.x, self.y+v.y )

	def __sub__( self, v ):
		return Vector( self.obj_name, self.x-v.x, self.y-v.y )

	def __str__( self ):
		if self.y == None:
			return "<<<NONE>>>"
		return "%f/%f" % ( self.x, self.y )

	def unrot( self ):
		return self

	def get_angle( self ):
		return 0

	def rotate( self, angle ):
		x = self.x
		y = self.y
		if angle == 0:
			pass
		elif angle == 90:
			x, y = y, -x
		elif angle == 180:
			x, y = -x, -y
		elif angle == 270:
			x, y = -y, x
		else:
			# +++ sin/cos???
			# raise Exception( "unsupported angle" )
			ra = math.radians( angle )
			sa = math.sin( ra )