You can use Environmental damage dealers to create traps that damage the player when he steps into them.

Environmental damage dealers are Damage Dealer components that have Always On enabled. They don’t need to be activated by an action (i.e. they are active all the time), but still require a combatant that knows the used ability.

To get this going, we’ll create:

• a battle event to animate the trap
• a new ability for the trap
• a new combatant for environmental damage
• the trap

So let’s get to it!

A new battle event

We’ll create a small battle event that spawns a prefab (particle effect) when damaging a combatant. Open the ORK Framework editor and navigate to Events. Click on New Battle Event and change the following settings.

Event Settings

The trap will spawn a prefab on the target, so we’ll need to add it first.

Click on Add Prefab.

Spawn Prefab

Add > Game Object > Prefab > Spawn Prefab

We’ll spawn the prefab on the target.

Calculate

Add > Battle Steps > Calculate

This will calculate the damage of the ability.

Emit Particles

Add > Game Object > Component > Emit Particles

We’ll stop the particle effect shortly after spawning the prefab to create a nice spark effect.

Destroy Prefab

Add > Game Object > Prefab > Destroy Prefab

We’ll destroy the prefab after some time. We stop emitting particles before destroying the prefab to prevent the particles from suddenly being destroyed.

And that’s it for the event – click on Save Event and save it as trap.asset in Assets/Events/Battle/.

The trap ability

The trap will do damage using an ability, so navigate to Status > Abilities, add a new ability and change the following settings.

Target Settings

Damage Dealer Settings

Environmental damage dealers are animated in the Damage Dealer Settings of the ability instead of the Battle Animation settings.

Change the settings of the already added battle event.

Target Changes

The trap should do 50 damage to the HP and add a poison status effect. Click on Add Value Change to add the status value change for the damage to the target.

Click on Add Status Effect to add a status effect change.

And that’s it for the ability.

The enviromental combatant

In order to use the ability, the trap needs a combatant that can use the ability (i.e. he must know it). While you can use an already existing combatant, it’s best to create a new combatant only for traps and other environmental damage dealer uses. Navigate to Combatants > Combatants, add a new combatant and change the following settings.

Status Settings

Currently we only use this combatant for a trap that doesn’t use the status values of the combatant, so we can ignore these settings. When you later add more environmental damage dealers and do damage based on stats, you can come back here and set it up the way you need it. Using Status Development, you can even create different levels of your traps.

Ability Development

The ability used by the environmental damage dealer must be known to the combatant and mustn’t be an attack or counter attack. Click on Add Ability to teach the ability we just created to the combatant.

And that’s it – click on Save Settings to save the changes.

Creating the trap

Open a scene (or create a new scene) – now we’ll be creating the trap’s game object and make it into a prefab for later use. Create a new game object using the Unity® menu: Game Object > Create Empty

Name the game object Trap and add the following components.

Box Collider

Add a Box Collider component and change the following settings.

Rigidbody

Add a Rigidbody component and change the following settings.

Damage Dealer

Add a Damage Dealer component and change the following settings.

And that’s it – make the trap a prefab by dragging it from the scene hierarchy into the project view.

Now you can use the trap wherever you need it in your game by adding the prefab to the scene – you can also use it in the event system to spawn new instances of the trap.

Tip: Trap not working?