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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How to make prefabs independent?

I'm working on a Unity's Project and I want to modify a prefab, more precisely I want to change the texture of a prefab. The problem is that my modification is applied also to other prefabs. I read on ...
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1answer
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How to not freeze the main thread in Unity?

I have a level generation algorithm that is computationally heavy. As such, calling it always results in the game screen freezing. How can I place the function on a second thread while the game still ...
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1answer
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How do I make an object face the mouse position, but only on one plane?

I want a game object to turn and look towards where the mouse was clicked (in world space). It works well when considering all 3 dimensions, but I really only care for the plane formed by the x and z ...
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2answers
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Accessing DualShock 4 motion sensor in Windows (ideally Unity)

I'm trying to use a DualShock 4's IMU as a motion controller in Unity, under Windows 7. So far I've tried: DS4Windows (1.5.11): reads motion sensor data, but does not expose them to Unity as axes ...
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3answers
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When should I use velocity versus addForce when dealing with player objects?

I'm confused about these two methods in the Unity framework. Both make the player object move, stop, change direction, etc. When should one be used over the other and when is one appropriate?
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Is a custom coordinate system possible in Unity

Is it possible to create a custom coordinate system (i.e the one using double for coordinates or the one dividing the world into 'chunks' of safe size) not constrained by the floating point precision ...
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2answers
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Unity prefab script “GameObjects” can't be ones on the scene?

Currently, I have an object on the scene, and one in prefab. I want the prefab's script to reference to the object on the scene through the public GameObject obj; code. However, when I tried to ...
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2answers
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2d metaballs with shader to give blobs of water effect?

I want to simulate blobs of water in a 2d game in Unity3d. One possible way of doing it is to use 3d metaballs moving in a 2d plane though this is very processor intensive. Do you think it would be ...
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13answers
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How do you handle aspect ratio differences with Unity 2D?

I've gotten a lot of answers to this question, but they are all generic and generally not very useful. None of the tutorials talk about aspect ratio and dealing with mobile devices and there are a ...
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9answers
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Best place for learning how to write games in Unity3d [closed]

What's the best place for tutorials & other learning resources for unity3d?
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1answer
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Is it legal to sell or monetize games created with the Unity 3D free edition?

Is it okay to use Unity 3D programming and gaming software to create mobile game apps for Android and iOS? I am using a free version of Unity 3D and planning it to sell my current game app I've ...
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2answers
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How does Unity3D lower an imported .obj vertex count?

I have a question regarding how Unity3D handles importing of .obj files. I'm importing this teapot: http://groups.csail.mit.edu/graphics/classes/6.837/F03/models/teapot.obj The number of vertices ...
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3answers
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How can I launch a GameObject at a target if I am given everything except for its launch angle?

I have been working on this one for a few weeks, and I have yet to succeed. I have searched every resource out there, and tried them all, but still without success, so I do not believe existing links ...
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4answers
9k views

Ledge grab and climb in Unity3D

I just started on a new project. In this project one of the main gameplay mechanics is that you can grab a ledge on certain points in a level and hang on to it. Now my question, since I've been ...
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2answers
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Does Unity let you code in Java?

I am fairly new to Unity3D experience , but I have a very good knowledge of Java and Android development. I am really confused that if Java is at all needed for developing android applications? I read ...
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1answer
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Alpha Blending: use the pixel with the smallest alpha

I'm writing a transparency shader where I need any intersecting textures to, wherever they overlap, take the texture pixel with the smallest alpha value and render only that, discarding the other ...
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votes
2answers
21k views

How do I have a camera follow my object in Unity?

I have an object that automatically moves by itself and I want the main camera to automatically follow it.(Like in games such as geometry dash and jetpack joyride) This is the code for the automatic ...
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vote
1answer
227 views

Why is the camera tilting around the z axis when I only specified x and y?

My goal is to program a camera to point towards the mouse cursor. I attached the following script to the Main Camera. using UnityEngine; using System.Collections; public class CameraController : ...
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1answer
37k views

Rotate an object smoothly on the Y axis in Unity

I am attempting a simple script to swing a door open in Unity. This requires a smooth rotation of 90 degrees around the Y axis. I have seen that one way to do this is using Unity's Quanternion ...
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1answer
44 views

LookAt different object smoothly in unity3d

As picture depicted my camera moving on path i want to lookAt bath different object smoothly. Currently have tried trasnform.LooAt(activePath.gameObject.transform); but it producing jerky result. ...
29
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2answers
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How do I make a character capable of walking on walls?

I am trying to get a character to move like a spider: Given a rising slope which a ball would normally not be able to roll up, the spider would slowly crawl up. Similarly, given a mid-air rectangular ...
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6answers
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How to make my characters turn smoothy while walking on a path(list of coordinates)?

I have a list with coordinates - output from A* algorithm - and I would like to make my characters smoothly follow this path with rotations. So I have something like A and I want to get C How can ...
28
votes
7answers
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Teamwork in Unity

I have a Unity project without any version control, and I need to share it with another developer so that both of us can work on the project. What strategies should be use that play nice with Unity ...
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1answer
622 views

Finding the correct speed for AI to turn to reach goal

I have a ship that travels at max speed maxSpeed and can turn rotationSpeed degrees per second. The ship always moves in the direction it is facing which means that the faster the ship is travelling ...
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votes
1answer
5k views

How to create high quality and fast portal effect?

EDIT: So I've gotten the portal visual effect working with no performance hit, and I've got the physics set up of objects with rigidbodies moving through portals seamlessly, and objects with character ...
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4answers
53k views

Unity new UI - Dynamically change the functions called by GUI elements

Looking to dynamically change the value in the button OnClick and slider On Value Changed . If I had to guess on how this was done, get a reference to the button/gui element. Next get the Button ...
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6answers
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Unreal Engine 3 vs id Tech 3 vs Unity [closed]

I'm trying to decide which engine I should start using to try to start building a game in. I had chosen Unity, but upon hearing that Unreal Engine 3 had just become kinda free to use, I found myself ...
10
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2answers
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Is it possible to use C++ with Unity instead of C#?

The title kind of says it all. Is it possible to replace C# with C++ on a game using Unity?
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2answers
25k views

Resolution problems when porting a Unity game to Android

So, I'm porting a game to the Android for the first time in Unity3D. And I've run in to a few problems along the way. My current problem is the resolution doesn't seem to be right, it cuts off the ...
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4answers
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How do you save game state?

What is the procedure followed by game programmers for saving and resuming game state? like files/mappings. I want to save it for tower defense game and I am using unity3D game engine.
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votes
3answers
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Why does Unity in 2d mode employ scaling and the default othographic size the way it does?

I previously used SFML, XNA, Monogame, etc. to create 2d games, where if I display a 100px sprite on the screen, it will take up 100px. If I use 128px tiles to create a background, the first tile will ...
20
votes
2answers
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What happens if I make more than $100k with the free Unity license?

If an indie game developer makes more than $100,000 using the free version of Unity, what happens to the money that goes over $100k? How will Unity people come to know how much money they are making? ...
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votes
2answers
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Best algorithm for recursive adjacent tiles?

In my game I have a set of tiles placed in a 2D array marked by their Xs and Zs ([1,1],[1,2], etc). Now, I want a sort of "Paint Bucket" mechanism: Selecting a tile will destroy all adjacent tiles ...
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votes
3answers
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(2D) Detect mouse click on object with no script attached

I'm creating a 2D project which does not have a character. So i created an empty gameobject and attached the script to it. In the script, i have declared other objects which are in the scene like this:...
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votes
3answers
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How do C# and JavaScript differ in Unity development? [closed]

Other than the obvious language differences, how do JavaScript and C# differ when developing games in Unity3D? Is there a noticable performance difference? Is the JS code packaged as-is? If yes, ...
4
votes
1answer
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Change the sprite of a Object in Unity

Inside the script code of the the hero(object) I want add the possibility to change its sprite. So the player hits the space button and the sprite changes into the other sprite already added to the ...
2
votes
1answer
339 views

TopDown Island Generation

I am trying to generate an island using Simplex Noise. To actually make a island shape i used Amitp's answers to the following questions: 1.Fast, simple procedural 2d island generation 2.Generating ...
8
votes
1answer
3k views

Mip Maps on 2D Sprite causing black line above. Why is this?

I am new to Unity. I'm trying it out and using Futile for a code-first approach, but still importing textures using the Unity system. The problem I'm having is that when I use mip maps to scale large ...
6
votes
2answers
127 views

Unity 2D graphical glitch cuts sprite diagonally

While making a game in unity, we found a graphical glitch that only happens on one of our mobile devices (a htc) where the screen will be oddly sliced by a triangle as shown in this image; I've ...
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2answers
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How can I prevent seams from showing up on objects using lower mipmap levels?

Disclaimer: kindly right click on the images and open them separately so that they're at full size, as there are fine details which don't show up otherwise. Thank you. I made a simple Blender model, ...
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votes
3answers
251 views

How to create custom 3D “areas” at runtime

I've been puzzled for a few days trying to solve this problem, so far with no results. On a map, currently a Terrain, I'd need to have some "areas" which can be controlled by a specific players. The ...
4
votes
1answer
7k views

Rotate object to always face camera

I'm trying to make a TextMesh appear when ever an enemy prefab is hit. I currently have this functionality working. However, the text doesn't face the direction the players camera is looking. At the ...
3
votes
3answers
634 views

What is the difference between transform.translate and rigidbody.velocity?

I've been tying to understand what the difference between these two methods of moving a rigid body are. Both seem to move the object at a constant rate and both operate on a RigidBody. So what's the ...
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vote
1answer
5k views

How can I import a Google Sketchup model with textures?

I'm using Unity 4 and trying to import a SketchUp Model into Unity and other Engines - but I can't get it to import correctly. Can anyone help me out?
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votes
2answers
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What is the difference between Unity's Sprite and Texture2D classes?

Unity has both a Texture2D class and a Sprite (with related SpriteRenderer). What is the difference between these two classes? Both represent an image, for 2D games should I favor one over the other? ...
6
votes
2answers
706 views

Making holes in 3D objects (Unity)

How can I make a hole in an object with Unity 3D? I've something like this object and I want to make a hole in it.
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0answers
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Why Can't I duck reverb on the mix bus in Unity?

i'm surprised there is so little documentation on this issue. But i'm trying to duck the audio on all the mix buses in Unity so that you can clearly hear the VO of the game. Now it works great except ...
4
votes
1answer
558 views

Unable to use Maya animation with scripts when imported to Unity

I am testing to import Maya animation over to Unity. I set up a simple cylinder with 2 bones and an IK handle. Made a simple animation where the cylinder bends and goes back to straight position over ...
4
votes
1answer
517 views

Unity3D Camera constantly moving

I'm trying to make my own first person camera controls in unity that use both thumbsticks on a joypad. I have this working fine. However, when I move the right thumb stick (the one uses to look left / ...
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votes
1answer
100 views

Distinguish touch gestures for distinct horizontal and vertical commands

In my script below I'm using horizontal and vertical swipe gesture to move the character but both gestures are called on a single touch. void Update () { HorizontalSwipe(); VerticalSwipe(); } ...