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Transcript

The full narration of this video. The current sentence is highlighted while the video plays; click any sentence to jump there.

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Introduction

In part 4, we create an AI enemy that chases the player, can be shot, loses health, and falls down with a ragdoll effect. Hello, welcome back to Cerdas Inovasi Digital. In part 4, we create an enemy with artificial intelligence. The enemy chases the player, can be hit by gunfire, loses health, and then falls down when its health runs out. Let's start!

Quick Add: search Nav Mesh Bounds Volume

In order for the enemy to know which paths it can take, we need navmeshes. Click the Quick Add button, type Navmes, then select Navmes Bounds Volume. Set the location to 0, 0, 100, and Scale 16, 16, 3,

Location 0, 0, 100 and Scale 16 x 16 x 3 (covering the arena)

so that the volume covers the entire arena.

Press P: green area - path that AI can walk through

Click Via Port then press the P key. The green area is the path that the AI can walk through. Notice that around obstacles and pillars it is not green, because it cannot be walked through. Now we create the enemy character.

Content Browser: right-click » Blueprint Class » Character

In the content browser, right-click, select Blue Appoint Class, then select Character.

Name BP Enemy then open it

Name it BP underscore Enemy, then double-click to open it.

Mesh: Location Z -90, Rotation Z -90

In the Mesh section, change the Location Z to minus 90 and Rotation Z minus 90, so that the feet are on the ground and the body faces forward. In the Skeletal Mesh Asset,

Skeletal Mesh Asset - SKM Manny Simple

Select SKM underscore Money underscore Simple. Our enemy uses the Money character, different from the player who uses Queen.

Anim Class - ABP Unarmed (animation same as the player)

In Anim Class, select ABP underscore Unarmed. Because the animation is the same as the player, the enemy also automatically holds a rifle in the aiming position.

Add Skeletal Mesh 'Weapon': SKM Rifle in HandGrip R

Select Mesh, add a Skeletal Mesh component named weapon, select SKM underscore Rifle, and place it on the Handgrip socket R-Reset Location and Rotation to 0.

Character Movement: Max Walk Speed 150 (enemy walks slowly)

Select Character Movement, find Max Walk Speed and change it to 150, so the enemy walks slowly and the player has time to shoot.

Event Graph: Event Tick » Simple Move to Actor

Open Event Grab. From Event Tick, drag and add the Simple Move to Actor node. This node makes the AI walk towards the target using Nav Mesh. Connect Controller with Get Controller,

Controller - Get Controller, Goal - Get Player Character

and Goal with Get Player Character. In other words, the enemy is always walking to chase the player.

Variable Hit (Float), Compile, Default Value 100

Create a variable for health of type float. Click Com Pilih, then fill the initial value to 100.

Event AnyDamage: called when enemy is hit by a shot

Drag Grab to an empty area Then add the Event Ani Damage. This event is automatically called every time the enemy takes damage.

SET Health - Health - Damage

Add Set Health, its value is health minus damage. So every shot reduces the enemy's health.

Branch: if Health «- 0, enemy dies

Then create a branch with the condition that health is less than or equal to 0. If true, the enemy dies.

True » Set Collision Enabled (Capsule): No Collision

From True, add Set Collision Enable for Capsule Component with the option No Collision, so its body no longer blocks.

Set Simulate Physics (Mesh) checked: ragdoll effect

Then Set Simulator P6 on the Mesh, and check Simulator. This makes the enemy fall with a realistic Ragdoll effect.

Delay 3 seconds then Destroy Actor

Add a Delay of 3 seconds, then Destruck Actor, so the enemy's body disappears after 3 seconds.

Compile, Save, close BP Enemy

Click Com Pilih and Shave, then close Blue Apprint of the enemy.

Open BP ThirdPersonCharacter, graph Shooting

Now the player's shots should deal damage.

Openengan graph Shooting

Open BP Underscore Terpersen Charakter on Grab Menembak.

... Out Hit » Break Hit Result

From Pin Out Hit belonging to Line Trudge, pull and select Break Hit Result, then open all pins.

Apply Damage: Damaged Actor - Hit Actor, Base Damage 25

After Print String, Add Damage Actor. Damage Actor is filled with Hit Actor, which is the object that gets hit by the shot, and Base Damage 25. So the enemy dies after 4 shots.

Trace Channel - Camera (mesh musuh memblok channel Camera)

Change Trudge Channel to Camera. Mask Character does not block channel visibility, but blocks the camera channel, so the shot can hit the enemy's body.

Compile, Save, close Player Blueprint

Com Select, Shave, then close Blue Apprint player.

Drag BP Musuh to the arena (enemy 1)

It's time to place the enemy. Drag the enemy's BP Underscore from the content browser to the arena, then set its location in front of the player. Enemy two, slightly to the right. Enemy three, further to the right side of the arena. Click Shave All to save everything.

Save All

Press Play.

Play: enemy chases, shoot until it falls!

The three enemies immediately start chasing us. Hold right to aim, then click left to shoot. After 4 shots, the enemy falls down with Ragdoll effect.

Done! Enemy AI can now chase and die

Done. Our AI enemies can now chase, Hit by the shot, and die. In part 5, we will enhance the shooting with Niagara effects, weapon muzzle flashes and splash effects when the bullet hits the target. Don't forget to subscribe, like, and share. Goodbye. Want to master game development with Unreal Engine? Cerdas Inovasi Digital offers complete Unreal Engine courses, game and 3D character development services, as well as selling ready-to-use project files. Contact us via WhatsApp, or visit cerdasinovasidigital.com done. Goodbye. Thank you. Thank you. Thank you. Thank you. Thank you.

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Transcript

0:03Introduction

0:30Quick Add: search Nav Mesh Bounds Volume

0:48Location 0, 0, 100 and Scale 16 x 16 x 3 (covering the arena)

1:04Press P: green area - path that AI can walk through

1:20Content Browser: right-click » Blueprint Class » Character

1:27Name BP Enemy then open it

1:40Mesh: Location Z -90, Rotation Z -90

1:51Skeletal Mesh Asset - SKM Manny Simple

2:02Anim Class - ABP Unarmed (animation same as the player)

2:13Add Skeletal Mesh 'Weapon': SKM Rifle in HandGrip R

2:45Character Movement: Max Walk Speed 150 (enemy walks slowly)

3:01Event Graph: Event Tick » Simple Move to Actor

3:17Controller - Get Controller, Goal - Get Player Character

3:35Variable Hit (Float), Compile, Default Value 100

3:56Event AnyDamage: called when enemy is hit by a shot

4:08SET Health - Health - Damage

4:39Branch: if Health «- 0, enemy dies

5:00True » Set Collision Enabled (Capsule): No Collision

5:14Set Simulate Physics (Mesh) checked: ragdoll effect

5:29Delay 3 seconds then Destroy Actor

5:58Compile, Save, close BP Enemy

6:08Open BP ThirdPersonCharacter, graph Shooting

6:10Openengan graph Shooting

6:19... Out Hit » Break Hit Result

6:32Apply Damage: Damaged Actor - Hit Actor, Base Damage 25

6:51Trace Channel - Camera (mesh musuh memblok channel Camera)

7:03Compile, Save, close Player Blueprint

7:13Drag BP Musuh to the arena (enemy 1)

8:09Save All

8:19Play: enemy chases, shoot until it falls!

8:49Done! Enemy AI can now chase and die

Ask the class material

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Questions & answers

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Recommended classes for you

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Transcript

0:03Introduction

0:30Quick Add: search Nav Mesh Bounds Volume

0:48Location 0, 0, 100 and Scale 16 x 16 x 3 (covering the arena)

1:04Press P: green area - path that AI can walk through

1:20Content Browser: right-click » Blueprint Class » Character

1:27Name BP Enemy then open it

1:40Mesh: Location Z -90, Rotation Z -90

1:51Skeletal Mesh Asset - SKM Manny Simple

2:02Anim Class - ABP Unarmed (animation same as the player)

2:13Add Skeletal Mesh 'Weapon': SKM Rifle in HandGrip R

2:45Character Movement: Max Walk Speed 150 (enemy walks slowly)

3:01Event Graph: Event Tick » Simple Move to Actor

3:17Controller - Get Controller, Goal - Get Player Character

3:35Variable Hit (Float), Compile, Default Value 100

3:56Event AnyDamage: called when enemy is hit by a shot

4:08SET Health - Health - Damage

4:39Branch: if Health «- 0, enemy dies

5:00True » Set Collision Enabled (Capsule): No Collision

5:14Set Simulate Physics (Mesh) checked: ragdoll effect

5:29Delay 3 seconds then Destroy Actor

5:58Compile, Save, close BP Enemy

6:08Open BP ThirdPersonCharacter, graph Shooting

6:10Openengan graph Shooting

6:19... Out Hit » Break Hit Result

6:32Apply Damage: Damaged Actor - Hit Actor, Base Damage 25

6:51Trace Channel - Camera (mesh musuh memblok channel Camera)

7:03Compile, Save, close Player Blueprint

7:13Drag BP Musuh to the arena (enemy 1)

8:09Save All

8:19Play: enemy chases, shoot until it falls!

8:49Done! Enemy AI can now chase and die

Ask the class material

My notes

Questions & answers

Your instructor

Introduction

Quick Add: search Nav Mesh Bounds Volume

Location 0, 0, 100 and Scale 16 x 16 x 3 (covering the arena)

Press P: green area - path that AI can walk through

Content Browser: right-click » Blueprint Class » Character

Name BP Enemy then open it

Mesh: Location Z -90, Rotation Z -90

Skeletal Mesh Asset - SKM Manny Simple

Anim Class - ABP Unarmed (animation same as the player)

Add Skeletal Mesh 'Weapon': SKM Rifle in HandGrip R

Character Movement: Max Walk Speed 150 (enemy walks slowly)

Event Graph: Event Tick » Simple Move to Actor

Controller - Get Controller, Goal - Get Player Character

Variable Hit (Float), Compile, Default Value 100

Event AnyDamage: called when enemy is hit by a shot

SET Health - Health - Damage

Branch: if Health «- 0, enemy dies

True » Set Collision Enabled (Capsule): No Collision

Set Simulate Physics (Mesh) checked: ragdoll effect

Delay 3 seconds then Destroy Actor

Compile, Save, close BP Enemy

Open BP ThirdPersonCharacter, graph Shooting

Openengan graph Shooting

... Out Hit » Break Hit Result

Apply Damage: Damaged Actor - Hit Actor, Base Damage 25

Trace Channel - Camera (mesh musuh memblok channel Camera)

Compile, Save, close Player Blueprint

Drag BP Musuh to the arena (enemy 1)

Save All

Play: enemy chases, shoot until it falls!

Done! Enemy AI can now chase and die

Introduction

Quick Add: search Nav Mesh Bounds Volume

Location 0, 0, 100 and Scale 16 x 16 x 3 (covering the arena)

Press P: green area - path that AI can walk through

Content Browser: right-click » Blueprint Class » Character

Name BP Enemy then open it

Mesh: Location Z -90, Rotation Z -90

Skeletal Mesh Asset - SKM Manny Simple

Anim Class - ABP Unarmed (animation same as the player)

Add Skeletal Mesh 'Weapon': SKM Rifle in HandGrip R

Character Movement: Max Walk Speed 150 (enemy walks slowly)

Event Graph: Event Tick » Simple Move to Actor

Controller - Get Controller, Goal - Get Player Character

Variable Hit (Float), Compile, Default Value 100

Event AnyDamage: called when enemy is hit by a shot

SET Health - Health - Damage

Branch: if Health «- 0, enemy dies

True » Set Collision Enabled (Capsule): No Collision

Set Simulate Physics (Mesh) checked: ragdoll effect

Delay 3 seconds then Destroy Actor

Compile, Save, close BP Enemy

Open BP ThirdPersonCharacter, graph Shooting

Openengan graph Shooting

... Out Hit » Break Hit Result

Apply Damage: Damaged Actor - Hit Actor, Base Damage 25

Trace Channel - Camera (mesh musuh memblok channel Camera)

Compile, Save, close Player Blueprint

Drag BP Musuh to the arena (enemy 1)

Save All

Play: enemy chases, shoot until it falls!

Done! Enemy AI can now chase and die