def get_target_angle(tmpTarX,tmpTarY,tmpMyX=self.x,tmpMyY=self.y)
	return 0 if tmpMyX == tmpTarX && tmpMyY == tmpTarY
	tmpAngle = Math.atan2(tmpMyX - tmpTarX, tmpMyY - tmpTarY)
	tmpAngle = tmpAngle * (180 / Math::PI)
	tmpAngle +=360 if tmpAngle < 0
	tmpAngle = tmpAngle.round
	tmpAngle
end