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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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
20 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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1answer
199 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
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5answers
67 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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1answer
15 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
20 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 ...
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2answers
250 views

how would I go on about making a movement system like mario party

main question how would i go about getting a movement system similar to the one they have on mario party only minus the dice roll things i have researched so I have been studying the uses for ...
4
votes
1answer
202 views

Unity3D [C#]: How do I use a custom inspector to expose an array of polymorphic objects to edit?

[EDIT: based on some feedback, I pruned the example down to the base functionality of the bug we are trying to solve. The description below remains accurate, but the repro has been shortened to: ...
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0answers
13 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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1answer
147 views

Can't play animation from script in unity

I'm making a 2D sidescrolling game in Unity, and when the player shoots an obstacle, I want the obstacle animation to play and then destroy itself. I got it to destroy itself, but the animation won't ...
3
votes
3answers
133 views

How do I get rid of this coloured border on my sprite?

I'm working on a 2D game in Unity. My triangle sprites display in-game with a line along one of the transparent sides: Larger view here. You might need to zoom somewhat. It's quite obvious on the ...
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2answers
29 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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2answers
83 views

Unity2D: Automatic scaling of camera and sprites

I'm working on a point-and-click adventure game using Unity2D for mobile devices and possible PCs and I'm trying to wrap my head around supporting devices with different screen sizes and aspect ...
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0answers
16 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 ...
1
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1answer
95 views

Mesh fading to transparent

I have a 2D Mesh object generated at runtime painted all with uniform color. I want that mesh to have its color fade to transparent color close to the edges. Despite I searched everywhere I could not ...
0
votes
1answer
286 views

How do I animate Unity GUIComponents?

I want to transform my GUIWindow from the bottom of the screen to the middle whenever the user presses a button. How can I do this?
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1answer
150 views

Programmatically creating sprite animations in Unity

Some background: I have a set of animated gifs which I've converted to spritesheets, which are then imported into Unity as multiple sprites. The end result is that each spritesheet in the Unity editor ...
0
votes
1answer
79 views

Raycast Flashing problem

Can anyone tell me what is wrong with me code ? If you can see, whenever the player is in range of the raycast. The enemy turns red. But for some reason. Even when the player has meet the requirement ...
2
votes
2answers
136 views

Jumping higher when the player touches a trigger collider in Unity

Im using Unity engine to create a 2D platformer. My character can single/double jump, this works fine everywhere except when i am in range of a collider with a IsTrigger set to TRUE, then my character ...
0
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1answer
24 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 ...
2
votes
1answer
423 views

How to translate swipe gestures into rotations?

I am making a snake game. I want to rotate my snake in the direction specified by swiping on the screen, the directions are limited to orthogonals (90 degree increments). It's an android game. Can ...
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votes
0answers
18 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 ...
2
votes
2answers
530 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 ...
4
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2answers
1k views

Effects of collisons: broken glass, damaged cars, how are they created?

My question is related in particular to achieving the effects of collision in game engine, how is this done? I have searched a bit, read from the internet and went through a few tutorials, and saw ...
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0answers
37 views

Raycasting from vertices is not working

I have two perpendicular planes in xz and yz like this I want to find the projection of the vertices of plane 2 on plane 1 using raycasting.The rays are hitting the plane but the log is showing ...
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1answer
93 views

Export Spriter animations to Unity

I want to use bone animations in my 2D game for Unity (5.0 beta). I am trying Spriter. Apparently, it has no official Unity support. There was some guy, back in 2014, who posted a plugin to convert ...
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0answers
14 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
24 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
35 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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0answers
21 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 ...
2
votes
1answer
75 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 ...
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 ...
0
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0answers
30 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 ...
0
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1answer
74 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 ...
0
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1answer
53 views

How to import animations from one model to others

I have two models (one animation in each) which I got for free from Mixamo. I imported them in Unity and they look like this: http://imgur.com/atjQbkI Justin@Idle and Justin@Walking. As can be seen ...
2
votes
1answer
44 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 ...
0
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0answers
20 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 ...
0
votes
1answer
33 views

GUI.Box z-index for mouseover

So I am drawing an inventory with slots like so: private void DrawItemSlotAndAttachActions(Item currentItem, Rect slotRectangle, Event e, int itemSlotPosition) { if (!(currentItem is ...
0
votes
2answers
51 views

After sometime increase the speed of Instantiated object

This may look similar to "increase speed after every N seconds" type question but it's different because objects are being Instantiated and getting destroyed. In my start() method I'm calling a ...
-1
votes
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
39 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) ?
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2answers
152 views

How to stop objects pushing each other away on collision?

I'm creating something along the lines of Super Smash Brothers. There's a problem with the collision between the two players and projectiles. We have rigid body on the characters and projectiles and ...
0
votes
1answer
66 views

How do I make this block go back to the left with another click?

This is the script I've written so far which makes the block move from the left of the screen to the right on a mouse click. What I want to achieve is for the block to move back to the left when I ...
4
votes
2answers
211 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
3answers
132 views

Creating a unit selection box in Unity (2D)

I've been trying to get my head around how to create a selection box for a selected unit in a 2D top-down type game. When you click on a unit, a small box would appear around that unit based on some ...
1
vote
0answers
34 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?
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 = ...
2
votes
1answer
29 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 ...
4
votes
2answers
29 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 ...
3
votes
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. ...