The phrase "a particular direction" is grammatically correct and can be used in written English.
Example: "The map clearly shows a particular direction for travelers to follow."
"When Florida moves in a particular direction, other states follow".
I didn't know if it turned a particular direction".
Do you feel you're heading in a particular direction with your comics?
Instead, people support some expansion of the idea in a particular direction for a particular constituency.
If you don't have this, you can find yourself being propelled in a particular direction".
They create a bias in the swarm's movement that steers it in a particular direction.
In other words, dx and dy are not independent if they're moving in a particular direction.
Where are the assumptions all aligned in leading us to a particular direction?
They were good people with hearts tugged in a particular direction.
"If a mortar shell comes from a particular direction, that is the direction we will fire".
The distribution of phenotypes in a population sometimes changes systematically in a particular direction.
