UNITY | Project | RPG Tutorial | 19. NavMesh & Boss AI

“NPC001” Script

• when Player finishes the first Quest, change the saying of NPC by changing QuestNumber in QuestManager

Adding Trigger for Gate

• Adding Cube for Trigger for opening Gate

“Quest002Start”

• creating variables
  • for distance between Player and NPC
  • UI – Buttons
• in Update() method,
  • getting the distance by using PlayerCasting
• in OnMouseOver() method,
  • if Player is close enough to NPC
    • prevent Player from attacking
    • set the UI Text with messeges for Gate
    • if Action Button pressed
      • allow Player to attack
      • allow Player to use
      • turn off UI Text

NPC saying Different

Adding Cube as Walkable Ground

• add Cube as a boundary for the boss to walk

Windows – AI – Navigation

Navigation | Walkable

Naviagtion | Bake

Turning off Mesh Renderer

NavMesh Agent

“SpiderBossAI”

• create variables
  • where spider boss goes
  • NavMeshAgent
• in Start() method,
  • make the NavMeshAgent variable NavMeshAgent
• in Update() method,
  • through the NavMeshAgent variable, set where the boss to go

Adding Script

Animation

Animation | WrapMode

Creating Barriers

Barriers | Navigation | Non Walakble

Barriers | Bake | Bake

• to prevent the boss from walking through the barriers, bake the barriers Non Walkable

SpiderBoss | NavMesh Agent | Radious like Collider

SpiderBoss Moving

Adding Cube as Trigger

• put Spider Boss in a Cube Object named SpiderBossTrigger as child object

SpiderBoss Following Player

Adding Attack Animation

“SpiderBossAttack” Script

• create variables
  • spider boss itself
  • as flag for attacking
• in Update() method,
  • if attackTrigger is 0
    • make the boss walk with the animation
  • if attackTrigger is 0
    • if dealDamage  is 0
      • get the boss attack by player the animation
      • get the coroutine TakingDamage started
• create IEnumerator TakingDamage()
  • set dealDamage into 2
  • wait for 1.1 sec
  • if spider’s status is not dead
    • get rid of one heart of Player
  • wait for 0.5 sec
  • set dealDamage into 0
• in OnTriggerEnter() method,
  • when the boss touches Player, set attackTrigger into 1
• in OnTriggerExit() method,
  • when Player gets out of the boss, set attackTrigger into 0

Adding Script

• Adding Script
• put SpiderBoss in the script

Spider Boss Following & Attacking Player