Getting a position behind a target object (targeted attack follow through)

Question

I am trying to code a dash attack, where the player dashes through the target enemy.

I've attached a quick diagram showing the part im stuck on.

Basically I have the player and enemy positions, and im trying to find a Target Position behind the enemy based on an adjustable follow through distance.

Any help/suggestions are greatly appreciated <3

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Answer 1

Answer by PhyrePhrost · Jun 21, 2021 at 07:56 AM

you can use the condition of physics.raycast (DOC: https://docs.unity3d.com/ScriptReference/Physics.Raycast.html), simply you draw a ray to the dash direction and if the player hit the enemy, he was attacked

 if (Physics.Raycast(transform.position, transform.TransformDirection(Vector3.forward), out hit, dashDistance)
         {
                        //you can use a custom tag to check if the hit was an enemy
                        if(hit.gameobject.tag == "Enemy")
                                   Debug.Log("The enemy was attacked");
         }
 
 //here you will move the player to the dash point

I hope this can help your question :)

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lodendsg · Jun 21, 2021 at 09:04 AM 0

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This finds the point of collision forward of the game object that calls it.
It doesn't find the position opposit the enemy from the player at a given distance.
You need some basic vector math here, which I will note in an answer below but in short the steps would be.

Find the heading to the enemy from the player
using the heading project a point along that direction past the enemy by the follow thru distance e.g. enemy.pos + (heading.Normalized * fopllowThru);
feed that target vector into your dash attack

Answer 2

Answer by lodendsg · Jun 21, 2021 at 09:00 AM

To find the heading to any vector from another its simply

 heading = subject - self;

So the heading vector (a vector which is in the direction of the subject from your self and has a length equal to the distance between you and the subject ... would be

 var heading = enemy.position - player.position;

You can now set your target position according to that direction e.g.

 var targetPos = enemy.position + (heading.Normalized * followThruDiistance);

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Getting a position behind a target object (targeted attack follow through)

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