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.

learn more… | top users | synonyms (1)

2
votes
1answer
409 views

Avoidance Steering Behavior acting inappropriately

I've been trying to implement this steering behavior in Unity: Understanding Steering Behaviors: Collision Avoidance However, I'm getting strange results. Here's the code for the script, feel free to ...
0
votes
2answers
352 views

Deal Damage to Player

I have to make a simple "avalanche" game to show I know how to use the physics and creating terrain. But I actually wanted to go a little above and beyond and actually give the player health so there ...
0
votes
0answers
107 views

How to replace reference to an object by content ID in binary serialization?

So here is the thing, the project has lots of logical objects, fed by data objects, data comes from serialization of yaml assets, containing model properties, like how fast a troll walks and such, ...
0
votes
1answer
190 views

How do I get a SphereCollider's global origin in Unity?

I've been following this tutorial: Understanding Steering Behaviors: Collision Avoidance but I'm having trouble implementing one of the functions correctly in Unity, here's the code: private ...
-1
votes
1answer
63 views

If object is bellow another object… do something [closed]

I have 2 objects in scene. When pillar is bellow target, pillar object needs to animate. I get this error: "NullReferenceException: Object reference not set to an instance of an object". var pillar : ...
2
votes
1answer
1k views

How do I listen for an Admob interstitial ad load event?

I can show interstitial AdMob ads with the following code: if (GUI.Button(new Rect(10, 300, 150, 50), "Load Interstitials")) { interstitial.LoadAd(interstitialsRequest); ...
0
votes
1answer
155 views

Blender exported model has reduced quality in Unity when normals applied

I know this topic comes up a lot in forums, however I have spent the last 2 hours googling it and can not find a solution for my specific problem... I have exported this model from Blender, but when ...
0
votes
3answers
633 views

Instantiate prefab randomly but not in already occupied position

I want to generate bubbles randomly on screen. When a bubble is generated in one place then other bubbles should not be generated near its radius 1 area, so they can not collide or trigger with any ...
1
vote
1answer
2k views

How do I detect a destroyed object in Unity?

I have an object in unity which is spawn through a script. Upon detecting that the object has taken substantial damage, objectDestroy is called and the object is removed. However, I would like for a ...
13
votes
1answer
4k views

Does `yield return false;` have special meaning in Unity3d C# scripts?

In Unity, we have some special things for coroutines that are additional to normal C#. for example, we can use yield return WaitForSeconds(5.f); to have a coroutine wait 5 seconds before ...
1
vote
2answers
428 views

Surface creation algorithm using points cloud

I am looking for a realtime algorithm to create a 2D mesh using points. But I am quite confused. It seems that Delaunay triangulation can help me create mesh using point clouds, but Meta-balls seems ...
0
votes
2answers
741 views

Health bar in unity

I have created a button as my health bar and it must decreasing after a specified time.Here is the code I have written.But the problem,this code is working in the form "Its decreasing the button ...
0
votes
3answers
383 views

Ensuring that a randomly generated galaxy wont place stars inside one another?

I'm attempting to build a game with a spiral galaxy design. In doing so I followed a short guide on making the rough layout of the galaxy. My code works, but the "stars" (I'm bad with variable names, ...
1
vote
1answer
425 views

Consistent Space Gravity Simulation

I have done some reading into this subject but haven't been able to come to a conclusion that I'm really satisfied with so far, so here is the situation. I have a game set in space, its top down and ...
0
votes
1answer
6k views

How to enable/ disable GameObject

I have child object with ParticleSystem component. I want to have particles disabled until I press button. I unchecked child object to make it disabled but when I press play it enables ...
0
votes
1answer
126 views

Unity display message upon keypress?

Hi I'm trying to get NGUI's HUDtext to display a set of text message one of which being "Try using WASD to move" and displaying "Well done!" upon input of any of the four keys. Unfortunately I'm not ...
1
vote
1answer
674 views

Detect mouse collision over an object

Suppose there are 4 areas namely A1,A2,A3,A4 and each object is given a number(1,2,3,4). When I drag and drop the object(1) on A1, it should print a message "where the object is being dropped". (no ...
0
votes
2answers
217 views

A*Pathfinding lose target after spawning from script?

I have been using A*Path finding to enable object tracking. It works fine if I have both objects on the scene at the same time. However, if I were to use a script to spawn the seeking object ...
2
votes
1answer
135 views

How can I trigger an event each time the rotation of my rigidbody2D is at a given value?

I would like to trigger an event each time my rigidbody2D is at a particular value. The event should only be triggered once for each given value per complete object revolution. Initial attempts at ...
0
votes
1answer
392 views

Gamemaker vs Unity2d - Speed of Development [closed]

I know coding, so programming is not a problem Money is not a problem at all, I can get both GameMaker Master Collection and Unity Pro I want to make a 2d game. So which one is better for speed of ...
1
vote
2answers
224 views

How to inplement a save-system for a complex nested list of character classs?

This is the situation I'm in: I'm developing a game with C# using unity. In the game I have characters which is either locked or unlocked, and they're pretty much the same. For every character, they ...
0
votes
1answer
76 views

How can I determine where to show a nameplate over a character?

I'm working on a naming system that displays the name of enemies above their heads. The problem is that I have some enemies that are larger or smaller than others. So I'm trying to use a function ...
0
votes
0answers
21 views

How to create a board with evenly spaced pieces in unity? [duplicate]

Creating a board should be easy but I am having a difficult time doing it in unity because of its world coordinates. I need to create a board that will have squares evenly spread out across the ...
1
vote
2answers
266 views

collision in different layer

I have a game object called game object 1 on screen. It holds an image called red . when i drag an image called "animal" on a game object 1 collision happening fine and destroys the "animal" in same ...
3
votes
2answers
2k views

How do I mask graphics in Unity to create a searchlight effect?

I'm trying to make a searchlight-style punchout mask effect in Unity 2D. This is the effect I'm looking for: That animation is made in Fireworks, using a white to black gradient circle masked on ...
1
vote
4answers
127 views

Check which object was activated first

How do I check which object was activated before the other? Let's say that there's door to open. To open the door you need to press firstly the second button and then the first button...but not the ...
0
votes
1answer
192 views

Clipping text in algorithm

I'm looking for an algorithm that can clip a text ( GUI Mesh text ) when it's length is over 20 characters. The problem is I have one background image(textured plane) (orthographic), where I want to ...
2
votes
2answers
694 views

Using A*Pathfinding on terrain created by scripts?

I'm looking to use A* Path-finding as a method of navigating my game terrain. Trouble is, my terrain is built upon play using a script and A* grid does not detect this, therefore marking all nodes as ...
1
vote
1answer
319 views

why am I being unable to access public array of a class inside other class? [closed]

I know this question has been asked before but my case is different(or i could not gather any kind of help from those) I am facing "NullReferenceException: Object reference not set to an instance of ...
1
vote
1answer
340 views

What is the appropriate way to implement wobble/balance mechanics in Unity 3D?

We are trying to implement a minigame where the player character sits on a bouncing ball, and needs to a) hit forward to move forward and b) hit left/right to adjust against the the ball's natural ...
-2
votes
2answers
207 views

AI shooting through walls [closed]

I made a AI shooting script for my new game but the problem is that the AI ignores the walls and shoots through walls. This is my ai script : #pragma strict public var rocketPrefab : Transform; ...
1
vote
1answer
82 views

Move an object up while touch is active

I'm trying to move an object towards the top of the screen while the touch is active. This is my current code. When I am touching the screen, the object I'm trying to move just keeps it's place (and ...
3
votes
2answers
2k views

Unity - OnDestroy - When is it called?

I was wondering about the method called OnDestroy in Unity (4.5.2f1) on Windows 8.1 Update 1. I know garbage collection in C# in non-deterministic, so I was wondering if game objects had OnDestroy ...
1
vote
1answer
522 views

Sever Structure for a Turn Based Game (Chess) [closed]

I am working on a Turn-based Game (Chess) I have done the client part and single player mode so AI is no problem here. But the only problem is now I want to make my project multiplayer. I have done ...
0
votes
1answer
439 views

Game object position issue in unity3d

I have a set of objects placed on the same layer where all the objects are invisible except one. When I drag an object into a selected area, the current dragged object gets destroyed, and the object ...
0
votes
1answer
547 views

Can't consistently add to TimeSpan for Unity Game

I'm making a game that has a timer showing how long the player has survived from being crushed by pessimism. (Long story) I'm trying to use TimeSpan in Unity to accomplish this but it seems that I'm ...
-1
votes
1answer
1k views

Object reference not set to instance of an object Unity3D c#

public class player { public projectile pro; pro = GetComponent<projectile>(); void Update() { GameObject go = GameObject.Find("enemy"); Transform ...
0
votes
1answer
132 views

Press multiple switches to unlock the door

I made 2 scripts, one that is a switcher and one that checks if object is switched (Switch, SwitchCheck). Switch script (it's on 2 objects that are switches and both objects have colliders with ...
1
vote
1answer
821 views

How to create normal map from bump map in runtime?

I am using this port of libnoise to generate noise. There are several methods (Noise2D.cs, 462 and 494 line) to output images. Second one, that should give me normal map does not work completely, it ...
0
votes
1answer
130 views

Getting Target position at the time of shooting

I have a bullet that has to hit a constantly moving enemy. So, in BulletScript, I have declared a Transform public Transform enemy; //and assigned enemy object to it that is ...
2
votes
1answer
832 views

Unity WheelJoint2D will not rotate when increasing motor speed

I have a wheel joint 2D attached to a game object in Unity: In its associated wheel script I am increasing the motor speed as described in the tutorial. public class Wheel : MonoBehaviour { ...
0
votes
2answers
599 views

How to show a float with no decimals [closed]

I want to show the current health and stamina of the player using GUI.Label. All is working fine however it shows the values with decimals to the millionth (example: ...
0
votes
1answer
212 views

AddRelativeForce not working correctly

I am stuck on the code for couple of days but couldn't figure it out. Therefore I turned out to look the answer here but couldn't find any that match the requirement Hope some One might help here is ...
-1
votes
1answer
470 views

How are grids made?

I've been looking at tutorials and researching forums and such but I still can't understand how the grids are made. I get confused at parts like this. for (int x = 0; x < Size.x; x++) { for ...
1
vote
1answer
376 views

How can I implement a more realistic momentum system in Unity 4.5?

I'm just starting out with Unity and am making a simple environment where there is a sphere and a ramp. When the sphere approaches the ramp everything is fine. As soon as the sphere hits the ramp is ...
1
vote
0answers
189 views

unity3d-Find angle between 3 vector3 points obtained from swipe

I was trying to find the angle between 3 vector3 points obtained from the screen swipe. The first vector3 point is the first touch position fp, the second is some intermediate touch ip and the third, ...
1
vote
2answers
3k views

OnCollisionEnter2D not being called

I'm fairly new to the world of Unity, and am adding collision detection for the first time through RigidBody2D (as this game is 2D). First of all, here is some relevant information: Unity Version: ...
0
votes
2answers
46 views

different Scenes but each of them loads per frame

well i want to have something like restaurant that divided in 3 sections.and the user can switch between these but every Scene loads every frame.for example the character is in the first section and ...
2
votes
2answers
217 views

How to be sure that a target goal in a match 3 game level will not be impossible?

This is clearly not a coding problem but the logical one. I am starting to learn how to make a match 3 game. but there is a question rising in my mind. when i will set goal to complete the level, how ...
0
votes
1answer
563 views

Unity3d : Make prefab follow raycast hit

I've been trying to make a weapon script which fires a projectile (prefab) straight forward.I added to the bullet the first script shown here.And the second one to the main camera.The problem is that ...