Unity is a cross-platform game creation system that focuses on easy art pipeline process. It consists of a game engine and an integrated development environment. The game engine's scripting is built on Mono.

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Destroying Unity GameObject when it goes out of camera during runtime

I have this GameObject instanciated in unity - void Start () { GameObject myRoadInstance = Instantiate(Resources.Load("car"), new Vector3(5, 5, 5), ...
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1answer
11 views

How can I manually call/fire OnTriggerExit() for colliders a trigger is inside of in Unity?

In Unity, the OnTriggerExit() method is not called/fired (not sure if it's an event or not) when an object is disabled or destroyed within it's collider. In comparison to it being fired is an active ...
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8 views

How exactly fixedUpdate in Unity is implemented? [duplicate]

when I tried to print deltaTime in fixedUpdate function, it always returns 0.02 second, while when I print deltaTime in update, it returns varied times. How do I implement something like this I read ...
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0answers
7 views

How to build Isometric tiled-based TD map [on hold]

I'm planning to create a 2D isometric Tower Defense game in Unity3D. I want to make it tile-based so I can split the tiles and give them different functions, ex I want the player to create different ...
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0answers
19 views

Instant replay system by saving frames to memory in Unity

When designing an instant replay system that will playback the last n seconds of gameplay, I've seen people essentially record all of the game events and game object states and play it back. This ...
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17 views

Creating a custom collider shape in unity, and performance concerns

I want to create a custom chaped collider in unity to create point-defense triggers for objects. I have a spherical collider that triggers for attacking objects that enter it already. However I want ...
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0answers
14 views

How to quickly create meshes that have cutouts of other meshes?

I have a mesh and I would like to quickly create planes (or boxes) that have cutouts in the shape of the silhouette that mesh, but rotated at various angles. I would like to have a system to which I ...
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12 views

PlatformEffector2D “Collision Pop” Avoidance?

I have noticed that when "One Way" is checked, and you have your character jump up through the platform, the character pops up to the top as a way to resolve the collision of the player and the top ...
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1answer
39 views

How to create planets

I need 3D planet models for my game. I can add objects onto the planet and add the sky by myself, but are there any good modeling tools for creating big spheres that would allow me to add mountains ...
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0answers
14 views

Glow shader limited by the texture area

I'm working on a glow shader (for 2D engine Futile relying on Unity). It works OK but the effect is limited by the texture area. Except from adding a lot of empty pixels around the textures (which ...
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0answers
17 views

How To Modal Something In Unity [on hold]

Currently I Have Found Out I Can Import my Blender Modals Into Unity But What I Am Wondering Is Does Unity Have a Way To 3D Modal Stuff Or Is It More For Putting The Game Together.
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1answer
32 views

Make my Tower continously fire at enemy while inside collider?

So I've made a Tower script in c# that spawns a projectile that then fires at the enemy gameobject. However, because I'm using the OnTriggerEnter() function it will only fire as many times as ...
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1answer
26 views

Is transform.forward mutable?

Suppose I have a GameObject, and I want it's transform.forward to be facing up. Is it possible to change it as seen below? public class Main : MonoBehaviour { void Start () { Vector3 ...
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0answers
25 views

Particle system ONGui()

I have some scripts which uses OnGUI() method and they are attached to my GameMenu object. I need to play a particle system on the scene while the GUI scripts are active. When I do that I cant see the ...
0
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1answer
23 views

Unity Character jumping to the direction of the key pressed and not moving in any other until grounded [on hold]

I've been trying to figure this out for about 3 hours now, I have a first person controller script based on the Unity Standard Assets one and I'm trying to figure out how to jump to the direction of ...
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0answers
15 views

How to change background 2D game when level up [on hold]

I want to change background 2D game when level up, but game runing.(like endless running game) People can help me. I use 2D unity. Thank you.
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2answers
36 views

Character on spherical terrain

My game is played on a big spherical world. Made up of a big spherical mesh with sphere collider, with 'gravity' at it's center (gravity for objects is controlled trough scripts). Now if I put a ball ...
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1answer
25 views

StopCoroutine is not stopping my coroutine in Unity

I'm getting some attacking to work with my units and I noticed that the coroutines seem to start adding up even after the StopCoroutine(IEnumerator) as need called. I dug around on ways to perform ...
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0answers
19 views

how to influence the vertex?

// Attach this script to a camera and it will // draw a debug line triangle triangle // at the triangle where you place the mouse. function Update () { // Only if we hit ...
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1answer
19 views

Check if is object in camera field and not covered by other object

I know how to check if object is in camera view but how I can check if that object is cover by something elese? In my case I want to turn on or off some effect when I look at light. At this moment my ...
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0answers
31 views

How to update gametag and call a new animation? [on hold]

I want to change the tag of an game object when a new animation is triggered by the animator parameter. This works, but when my gameObject tag is changed from "fire0" to "fire25" it doesn't change to ...
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0answers
22 views

Unity - C# - Angle tile not instantiating [on hold]

I'm currently connecting two rectangles with a 'L' shaped line. I have written the code so that it cycles for every position from one rectangle to the other and instantiates some gameObjects that ...
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5answers
83 views

How to “merge” multiple intersecting circles so that only the outer edges of each show?

In my RTS (In Unity) each unit or building has strategic circles in a similar fashion to SupCom. If you have multiple units or buildings selected it looks like the picture to the left. I want to make ...
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0answers
33 views

Adding some recoil to the Camera

I just want to add some recoil to the camera, but I can't find a working script. It's an fps, so I take my mouse axis to rotate the camera. And now I want a pushback to the top, so that the camera ...
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0answers
23 views

Efficient billboarding sprites in Unity 5

What's the most efficient way to do billboarding sprites in Unity 5? I want to make a forest of sprite trees in 3d space. Those sprites need to face the camera at all times. I am working on VERY ...
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39 views

How do I create a circular progress bar in Unity3D 5?

I am new to programming and Unity3D. I want to show a circular progress bar starting invisible and growing in 3 seconds to a circular line when reloading is done. How can I do that?
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1answer
49 views

Unity : callbacks in component based design

I am trying to use component based design in Unity3d v5. If I have 2 separate C# scripts attached to enemy ships like below: Script1.shipDead() - Remove game object and show explosion animation ...
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1answer
31 views

'The thing you want to instantiate is null' - unity error when instantiating

I have a Game Object called 'car' in my Assets folder. I have this code in C# unity to instantiate it. GameObject car; void Start () { Vector3 position = new Vector3(5, 5, 5); ...
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2answers
41 views

Instantiate a prefab on unity and make it appear at a specified coordinate

I have a prefab called 'road'. How can I instantiate it using C# script so that the instantiated object appears at coordinate (5,5,5) ?
4
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2answers
215 views

Callback on Derived Class?

How does Unity3D implement their system where if a class is derived from MonoBehaviour and has certain methods like Awake() or Update(), they are called accordingly? I want to do a similar system for ...
2
votes
1answer
84 views

Unity C# - My parameter 'campfireNew' does not exist (SetTrigger)

I'm trying to set a SetTrigger parameter to call a different sprite animation on a campfire. I tried this also with a boolean, yet again the same error. parameter 'campfireNew' does not exist. Anyone ...
0
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1answer
79 views

Using collectable items to change a gameobject Unity

I’ve been working on a 2D platform side scroller. I’m rather new to Unity and C#. Basically what I’ve achieved so far is a character which can collect Logs throughout the game and those logs are ...
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0answers
37 views

How can I get the pressure of a touch in Unity?

Does anyone know how to get the getPressure function from the Android API into Unity? Or is there another way I can access the pressure of a touch?
2
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1answer
31 views

Change Tag of Instantiated Clone

In my game there is a bird flying up and a stream of containers (baskets) is moving from right to left of the screen in the bottom. Baskets are being Instantiated on right and get destroyed when they ...
3
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1answer
30 views

Unity - C# - Overlapping Rectangles not separating

I am Instantiating a lot of Rectangles of different sizes (ranging from 3 to 18 units) and they all have attached this script, which should cycle through all the GameObject List which contains them. ...
10
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3answers
1k views

Looking for some insight on programming design for attacking and attack types in a game

So, I'm starting to introduce attacking to our 2D space RTS (This is in Unity, so it's component driven). Initially it was as simple as "enemy in range, damage applied". However there will be multiple ...
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0answers
20 views

Why does my Unity Android export fail with “No resource identifier found”?

When I try to export my Unity game to Android, I get this error: CommandInvokationFailure: Failed to re-package resources. See the Console for details. F:\Android SDK ...
4
votes
2answers
486 views

Alternatives to remove Unity splash screen after developing a game with the free version?

I developed a simple game using the free version of Unity. I want to understand how much it would cost me to remove the Unity Splash Screen to know if it's worth it. Right now Unity professional ...
0
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2answers
59 views

Endless level support in modern engines? [on hold]

Do any of the "next gen" engines support endless 3d levels? The general idea for my game will require the ability to stream a level seamlessly (no loading screens), similar to games like for example ...
4
votes
2answers
30 views

Unity UI square that fills width OR height

I'm trying to create a board with this requirements: It SHALL be square. It SHALL fit available width OR height. It SHALL be centered in the canvas. It MAY be wrapped into as many additional ...
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votes
1answer
25 views

move a spaceship player inside an Orthographic camera, unity [on hold]

I'm creating a 3d shmup in an Orthographic camera, and I want to move the ship inside the camera, instead of move all the environment. The problem is that i can center the ship in the camera when the ...
0
votes
2answers
31 views

Stop Lerp at relative location?

In my Unity 2D platformer, I'm trying to move the camera down a bit when the character is crouching but not moving. I've done this with the following: cameraPosition = ...
1
vote
1answer
47 views

How to create a ladder script in Unity [on hold]

I tried to create a climb script and found some similar code. I would like to climb with my player on a ladder. I came up with the following: bool canClimb = false; float speed = 1; GameObject ...
1
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1answer
89 views

Unity - Basic AI Enemy Follows Player - Prevent Flocking Of Enemies Together

I'm in the process of implementing a 2D top-down shooter game. I have a basic AI script that allows enemies to follow the player around. Currently it works fine for one enemy, but as soon as there are ...
1
vote
1answer
71 views

How to add a UI Text for keeping Score in Unity 5

My Problem is simple I want to show scores on my game. The examples on internet are good but in Unity 5 there are no GUI elements but instead these are now UI elements. I was following this example: ...
0
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0answers
11 views

Unity refracted plane [on hold]

I'm new in Unity. I want to get some idea to create refraction rectangle. Here example. I need to simulate real refraction process with air and glass etas. Thanks.
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votes
1answer
66 views

How to attach 2D object to a rope?

I was wondering, how I can attach a game object (player) to another object (a rope) when both came in contact in Unity. I think it should be done with a OnTriggerEnter2D, but doesn't know how I should ...
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1answer
44 views

Projectile Shoot three at a time

In my game there is a bird flying and on touch it throws different artifacts projectile downwards. And these artifacts should hit the containers moving right to left on the screen. Now if user keeps ...
0
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1answer
32 views

Unity3D - Cancel a build process (Windows, Unity 5)

I accidently pressed build for iOS and just realized that it might take a few hours to build the project. I tried to kill the unity process in the task manager, but on next start up unity instantly ...
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1answer
43 views

In Unity for Android, how do I create touchable buttons?

I'm making a test game for Android in Unity 5, and I want to add left-right control buttons like the circles below, to move an object left or right. How can I do this? Sorry if this question is ...