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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Explaining Unity Sprite-Default Shader

I would like to know why we would use alpha blending in that shader for just rendering a sprite, which is just a texture ? What is tint color ? Why we multiply the alpha value by the color here ? ...
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56 views

Keeping high scores on Unity web player

I want the player to be able to save his score when she makes it into top 10 of high scores. Upon success, player will be asked for a name to submit. This does not need to be unique per player. I just ...
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1answer
110 views

How to create water with ripples in custom places for top down game in Unity?

I want to make topdown row boat game with Unity. I want graphics to be simple (sprited), but the water must be "very nice" and realistic and it should reflect movement in it (paddles and boat movement ...
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96 views

Vector-based Pong-ball bounce calculations

I'm making a 2D game with pads and balls, sort of like Pong, in Unity 4.6.1. The calculations, however, won't be (very) Unity-specific. The pads are going to appear in various rotations, and therefore ...
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35 views

Need Help in Restricting Player Movement to Only 2 Axis,

I am creating a 2.5D Side Scrolling type Game. For the most part I am using a 3rd Person Character controller. The Major Problem that I am facing is how I can limit the motion of my Player Character ...
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57 views

Unity Networking RPC confusion

I'm new to Unity Networking as well as networking in general. I am looking to call an RPC on multiple machines, but for the RPC to do something different if the machine executing the function is not ...
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37 views

Unity Height Field Fluids

I am trying to implement the fluid simulation in the slide deck found here in unity. http://matthias-mueller-fischer.ch/talks/GDC2008.pdf I was able to implement what is found on page number 2, the ...
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1answer
45 views

How to check a value from the last frame, while using events in Unity

What I am trying to do is check if a value has changed from the last frame, while using events. Typically I could use threading to my advantage and have a check at the bottom of Update() to see if a ...
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1answer
73 views

Unity3D sprites vs Mesh Quads - Depth, Blending, Shadows

I'm new to unity but not new to game development. In my OpenGL ES 2.0 (mobile) games I create a vertex array of all my "sprites" and stuff it in a VBO. Then draw them as I need them one at a time, ...
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2answers
56 views

Unity2D Collision Issue

I have a crate setup (in pic below) with a rigid body component, box collider and 3 circle colliders(they allow me to push the crate most of the time without getting stuck on the floor textures which ...
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30 views

Google Developer Console Error message

i received my first crash report of on Google Developer Console yesterday and im completely lost. Did anyone receive this error before and how can i go about fixing it? Any help would be greatly ...
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1answer
28 views

Draw GUI.Button on certain position on a scrollable background

Problem is in a 2D game I have a large background around 2 screens wide. And on there I got 4 buttons placed on top of background all over complete width. Now when I swipe of move my mouse around I ...
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68 views

Unity3D rendering only some triangles in a mesh - and triangle fans?

In my OpenGL apps, one of my tricks that I've used often for displaying heads up displays and ui elements, is to have a sorted mesh of triangles and then only render a portion of them. In one game I ...
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2answers
130 views

What GameEngine to choose [closed]

I concider myself an amateur, but I have quite some experince in Unity3D. Over the course of the next three years - before I can quit my job and go to colledge - I want to make ONE game. Now the ...
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1answer
51 views

2D bouncing formula doesn't work properly

am new to unity, and i am trying to create a bouncing ball, so i've did many researches about bouncing realted physics and i found a formula : Formula: -2*(V dot N)*N + V Where V is the velocity ...
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3answers
159 views

How to have coins burst out in random directions after destroying an object in unity?

I want coins to burst out of an obstacle in random directions after I destroy it, kind of like the rings in sonic. I have everything else done: the physics, bouncing, instantiating to coins. I just ...
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1answer
73 views

Unity 4.6 UI Replace Images on selection in List of buttons[i]

I made a list containing all the buttons in the UISelectionCanvas and would like to change each image as it is being selected. The problem is once the selection selects a new type of unit it will ...
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1answer
53 views

Coins don't show up in game in Unity

I have a 2D game I'm making with Unity, and I want the player to be able to collect coins that I place all over the game. I used the coin prefab with a 2D circle collider and an animation to make it ...
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1answer
55 views

Camera Movement Smoothing

I am trying to smooth a camera I create in my game, but I can't seem to find a way to actually do this correctly. What I have : //Calculate the "current" Forward vector var cameraForward = ...
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28 views

Unity3D Resize texture without corruption

I am currently working on a solution to make my game look very pixelated, like Doom or Quake. But there is a big problem. B.T.W I'm not using Unity Pro I render my camera to a 1920x1080 texture, ...
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1answer
29 views

Why my dynamically generated Sprites overlap?

I'm trying to dynamically generate scene representing chess board made from sprites. I'm using two textures for these: - pieces.png (taken from here: ...
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1answer
28 views

How to make unitypackage from allseen alliance's android sdk?

Im making an offline multiplayer for Android device by Unity and I found only one way to do this is the allseenalliance sdk. After download its from here I found that to use it I need to create an ...
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16 views

Change pivot so that it is always orientated to world space (Y axis is always UP)

When I create a model, I may use different primitives as a base and change them into their final state. What I am noticing when they are imported into unity is that they come in sideways, and offset ...
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20 views

Display problems with iPhone4s and Unity

I'm having an issue with the screen on iPhone4s. I calibrated the camera's viewport size depending on the screen resolution. This has given me buggy results on the 4s since ther e is a black stripe of ...
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1answer
39 views

How to make a horizontal scrolling menu in Unity 3d 4.5

I want to make a horizontal scrolling menu that will hold levels of the game .But i have a little idea about it so it would be very great if anyone help me with it
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1answer
81 views

Loading .PNG file and using it for UnityEngine.UI.Image

Have an Unity UI Image. I want to load a .PNG file that is in my persistent data path and use it as the sprite source for the UI Image. Code: byte[] bytes = ...
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2answers
53 views

Unity question on OnTriggerStay() function

I'm currently working on a soccer game.I have a script for the ball that whenever the ball collides as trigger with the goal line,the ball will return to the middle point.But seems like the ball ...
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12 views

Separate each model part by “CRTL+MouseLeft”

I have a model,I want to separate each part of the model by using "CTRL+Mouseleft.I have done the part separation by clicking on each part.Now I need to separate each part by "CRTL+MouseLeft".How can ...
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17 views

why the camera didn't capture gui position properly?

I make an GUI.DrawTexture and it's draggable, i want to make my GUI detect 3d object when i drag it to its position. The method works properly with guiTexture, but when i used it for GUI.drawable the ...
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1answer
47 views

Place an UI Image between two 2D sprites in Unity

I am developing a 2D game with Unity. I have two sprite objects rendered using SpriteRenderer. With the new UI system, I want to use it to display an image between my two sprites. That is, my first ...
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1answer
70 views

How to make a model parts glow one after the another

I have a brain model. I want to glow the parts of the brain model one after the another after a period of time. I have done to glow the parts, but when the second part glows, the color of the first ...
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0answers
23 views

How could I get composite rigid body into unity

I am developing a game, in unity, that has accurate destruction physics and from my understanding unity uses plain old rigid body physics. I was wondering if there was a way to bring composite rigid ...
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1answer
35 views

Accessing Canvas and Button components in a scene

I have a scene with the following hierarchy: This is game scene and the game manager is a singleton with the following variable fields: // canvas public Canvas PauseCanvas; public Canvas ...
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1answer
100 views

How can I merge multiple sprite into one sprite or texture using Unity3d?

I have an avatar generator where someone can create a custom avatar with layers superimposed. And in order to reuse this image multiple times, i want to merge all layers in one image. Is there any way ...
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25 views

How to play video in Unity Free on Android (may be using external open source libraries like ffmpeg)

I need to play video file in my game and I am using Unity Free. The solution with rendering images with a certain delay is not suitable for me, because my video file is made from over than 300 images. ...
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1answer
36 views

Discarding triangles in Unity

I have about 2+ years of experience in computer gaming development and I just started writing my own shaders to help me utilize performance. I have this problem that I'm trying to work around but ...
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1answer
54 views

Play continuous music when swapping between multiple scene in Unity3d

I have the following scenario Main menu scene containing a gameobject with an audio source component An about us scene gameObject script : using UnityEngine; using System.Collections; public ...
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1answer
57 views

Changing color of UI Text in Unity into custom values

There are a few objects in the scene as well as a title. I want the title to change its text and color based on the object that is mouse-overed. The script below is added to each object that is ...
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1answer
97 views

Button stays highlighted after being clicked - Unity3D 4.6 GUI

Sometimes, after clicking a button created by unity's new UI Button, the button stays in its highlight state. Note that Button script has Color Tint set as it's Transition property and the ...
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2answers
115 views

NPC daily routines and scene loading

I'm making a basic survival RPG in Unity 3d. I'm separating my world into different scenes to save memory but I'm not sure how I'm going to program NPC daily routines. For example, if the player ...
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2answers
79 views

Will changing the scale of objects in Unity have adverse effects?

Relative to what they are by default, I mean. For example compared to the character controllers that come with Unity. If I make the character 4 times the size, will that cause problems, with the ...
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66 views

2D Platformer Wall Slide Physics in Unity?

I'm trying to make my character slide down walls a la Meat Boy, Megaman, etc. I tried setting the character's default friction to 0 and increasing it to 1 while it's touching a wall, but when I do ...
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0answers
24 views

Configuring touch input for a mobile game?

I'm trying to configure my game to take touch input from buttons but my scripts don't seem to be working. Here is the script for receiving touch input: using UnityEngine; using System.Collections; ...
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1answer
35 views

How to make a gameobject Scale up from another GameObject script

hi there im having a rought time with this code, trying to make a gameobject grow in scale from touching this one, and when a set amount of scale is reached destroy this game object ( the one who ...
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3answers
60 views

Unity2D: Apply gravity to some items, when everything else is gravity-free?

Sorry for the incredibly vague title: Let's say you have an NPC, and when he dies he'll spawn items, coins for example. Instead of just pushing the coins in random directions it would look a lot ...
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1answer
89 views

Is there a way to exclude original sprites in spritepacker that's in asset bundle?

I use spritepacker with assetbundle. It's working great. Its memory assumption is about just 8 MB. However, when I looked at the disk space that asset took on android phone, it took about 25MB. Which ...
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2answers
49 views

Unity2D Best way to determine degrees between two colliding entities?

I'm trying to determine the collision-direction between two objects. I'll be using this for various things such as creating blood-entities in a specific direction proportional to where the other ...
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1answer
29 views

How to change animation view in Unity3D?

How can I change the animation view in Unity3D? I have only some "dot", but I want to view some curve! How do I change this? What I have: And what I want: (image from the documentation of Unity3D)
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having an issue in unity3d (free version) where an audio source is not being affected by reverb zones.. reverb bypass is disabled.. anyone? [closed]

Having an issue in unity3d (free version) where an audio source is not being affected by reverb zones.. reverb bypass is disabled.. anyone? The source is having onehits run through it via a C# ...
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24 views

Using modo for Unity level modelling?

Is anyone using modo for modelling level meshes for Unity here? I'd like to know how to set up modo so that I can use the grid in modo and it will reflect 1 meter. I've set in modo preferences Unit ...