An input method used in games, thich is generally reffered to input used by mobile phones and tablet-type computers.

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32
votes
9answers
6k views

How can I quantify a drawn line's straightness?

I'm working on a game which requires players to draw a line from a point A(x1,y1) to the other point B(x2,y2) on the screen of an Android device. I want to find how well that drawing fits to a ...
13
votes
5answers
1k views

What is a suitable input method to use for a 2D platformer on a touch device?

I am creating a 2d platformer game like Super Meat Boy in which precision of movement of my lead character matters. I am using libgdx. The keyboard controls on the PC work precisely, but when it comes ...
12
votes
6answers
5k views

Making (or emulating) a “D-Pad” on a touch-screen; virtual d-pad

With the proliferation of touch based devices, many lacking a true D-Pad, I'm wondering if anyone has any resources on how to emulate a D-Pad on a touch screen? I'm specifically interested in XNA ...
12
votes
3answers
259 views

Player fatigue for tablets?

I'm thinking about making games for tablets. Coming from a PC/console background, I'm keenly aware of the huge differences in the user interfaces, and that I need to design it with the target platform ...
10
votes
1answer
465 views

Is there a gold standard for touch controls in scrolling shoot-em-ups?

Is there currently a "standard" for touch controls in shooters on platforms such as iPhone or Android? I've noticed that many of them enable auto-fire by default, or control the character via direct ...
8
votes
1answer
830 views

How small should touch triggers be at minimum?

Is there a known minimum physical size for reliable touch select triggers, considering only selection (no long-press or drag). From personal experience, I would guess it to be about 5x5 mm (0.2x0.2 ...
7
votes
3answers
185 views

Where to show user shot's power on touch screen?

I want to show user shot power in standart way (the more user holds finger on the screen the stronger is shot) Where is the best place to show this icon on touch screen(when I use mouse it's better ...
7
votes
2answers
3k views

How to differentiate a tap from a drag

I'm creating an app and I'm trying to make it so I can drag a sprite (with a second sprite on top) around the screen, but if I just tap the sprite some other method should get called. I got the ...
6
votes
2answers
1k views

android multitouch problem

Im aware that there a a couple of posts on this matter, but Ive tried all of them and none of them gets rid of my problem. Im starting to get close to the end of my game so I bought a cabel to try it ...
6
votes
2answers
510 views

Calculating and detecting curves

How can I detect the 'steepness' of a curve? For example, if the user swipes their finger across the screen in a curve, what's the best way of detecting whether the curve is almost a semi-circle, or ...
6
votes
4answers
786 views

Optimal touch controls for a twin-stick shoot 'em up?

So we recently launched a shoot 'em up arcade-type game (think Smash TV or I Made a Game with Zombies in It!). You can move in one direction and fire in another, so the ideal control scheme is ...
5
votes
3answers
1k views

What's the best control scheme for an arena shooter on a touchscreen phone? [closed]

I am developing Android an game. It's going to be a top-down shooter with stealth features. I am now thinking about how to the make controls. Most top-down games are now twin stick (joystick on the ...
5
votes
3answers
25k views

How to move gameobject with touch on Android

I'm trying to make a game where you control a character via touch on Android devices. The player will have two degrees of movement. When you touch the touch screen and move your finger, the game ...
4
votes
1answer
391 views

Keep cube spinning after fling

So I've been trying to get started with game development for Android using Unity3D. For my first project I've made a simple cube that you can spin using touch. For that I have the following code: ...
4
votes
1answer
367 views

Do you prototype mobile touch games on the desktop with mouse input? What tricks do you use?

So I've been prototyping games that if completed would be mobile apps most likely. But, I'm developing them in XNA on the desktop because its the environment I like the most. I know I could target ...
3
votes
3answers
1k views

Spot the difference game design help

I'm thinking of making a spot the difference game. But immediately I stumbled over a problem. I'm thinking of storing a "difference area" in the form of a x,y coordinate. However, because on a ...
3
votes
2answers
679 views

Odd Android touch event problem (Nexus 10)

Overview When testing my game I came across a bizarre problem with my touch controls. Note this isn't related to multi-touch as I completely removed my ACTION_POINTER_UP and ACTION_POINTER_DOWN ...
3
votes
1answer
474 views

How to emulate knob turning, based on x/y movement?

I'm doing a game where one component is that you turn a knob. I'm having trouble getting good "knob behavior". I know the current touch/mouse X,Y location, and I keep track of the previous X,Y ...
3
votes
1answer
647 views

Unity 2D detect if swipe goes through an object [closed]

I am developing a game in unity with flying arrows that the user tries to deflect by swiping through them (changing their direction). I can get the arrows to move with the swipes, but they move no ...
3
votes
1answer
13k views

Examples of Android Joystick Controls? [closed]

I can't seem to find any well executed code examples for Android joystick controls. Whatever it may be, algorithms, pseudo code, actual code examples, strategies, or anything to assist with the ...
2
votes
1answer
795 views

How to tell what part of a 3D cube was touched

I am writing a rather simple android game and I am implementing Open GL to draw a 3D cube that spins upon the X, Y and Z axis and I need to know where the user has clicked on the texture of the cube. ...
2
votes
1answer
3k views

Android multitouch: How to detect movement on non-primary pointer / finger?

How does one go about detecting a secondary/non-primary finger moving? There is: ACTION_DOWN and ACTION_UP to detect a primary finger pressing the screen / leaving the screen ACTION_POINTER_DOWN ...
2
votes
2answers
1k views

Basic game architechture best practices in Cocos2D on iOS

Consider the following simple game: 20 squares floating around an iPhone's screen. Tapping a square causes that square to disappear. What's the "best practices" way to set this up in Cocos2D? Here's ...
2
votes
3answers
5k views

On screen controller for libgdx games?

Does anyone know a better controller for 2D Games than a virtual on screen joystick? The pros of the joystick are: Easy to implement for developers Familiar interface for users But there is a ...
2
votes
1answer
142 views

How to obtain touch events from a GL Viewport, not the whole screen?

Background I'm implementing viewport resizing in order for my game to maintain the same display ratio on all devices. However, I've found an issue with getting touch events. Basically, if my ...
2
votes
1answer
89 views

Augment an existing game with touch gestures

I want to enhance Homeworld 2 gameplay with touch gestures. The game is running on Windows. So, two questions: Is it possible to wrap the game with a program that would capture touch gestures, ...
2
votes
2answers
2k views

Adding touch/click event to a bitmap in android

In my android game, there is a surfaceview which has 36 bitmaps drawn on it. I want to change the bitmaps when they are touched. Is there a way implement touch or click event to the bitmaps ? Adding ...
1
vote
2answers
58 views

atan2 : inversed result? (angle 180 is on the right side, angle 0 on the left side)

the result of the angle between my touch and the middle,bottom of the screen gives me 180 when the touch is on the right side of the screen, and 0 when it is on the left. I don't understand why... ...
1
vote
1answer
355 views

How can I use touch input for 3rd-person controls?

I have a 3rd-person controller in my Unity scene, which I can only control with the WASD buttons. But since I plan to make a smartphone game, I wonder how I can change these controls t swipe ...
1
vote
1answer
110 views

Where to put input detector?

So below is the usual XNA Game Component override method. If I want to add a touch input detector (lets say, I want to draw a rectangle under touched screen area), where do I put it and how? Googled ...
1
vote
1answer
1k views

Rotate triangle so that its tip points in the direction of the point on the screen that we last touched

OpenGL ES - Android. Hello all, I am unable to rotate the triangle accordingly in such a way that its tip always points to my finger. What i did : Constructed a triangle in by GL.GL_TRIANGLES. Added ...
1
vote
2answers
60 views

How do I show a small sprite being dragged by touch?

In my mobile game, users drag shapes across the screen. Think of it as a classic Lines game, where you drag a dot on the field, or a chess game where you drag and drop pieces. The problem is that the ...
1
vote
3answers
4k views

How to create / draw clickable object (such as Button in WinForm) in XNA WP8?

I am developing a 2D (No 3D in every aspect) Windows Phone 8 turn based tactical games for my college project. I use Monogame. I want to draw an object similar to Button in windows form, that if the ...
1
vote
1answer
227 views

Trouble with touch events on iPhone

I'm making a simple 2D game for iPhone. Think of the game as a ball on the screen that goes up while the user is touching the screen and falls down when the user stops touching the screen. The ball ...
1
vote
1answer
34 views

How can I clearify users my controlls?

In my game I use a really simple control mechanic to control a character on screen. But my problem is that users do not understand this control. Beside a little delay problem they work this way: ...
1
vote
1answer
57 views

Libgdx--how to store every single point drawn using touchdragged?

Basically i am trying to detect line collision. The problem is when intersection occurs quickly(touch dragged is done quickly like fling), the collision is not detected. It seems as if 'touch dragged' ...
1
vote
1answer
62 views

Libgdx - gesture dection

I have made a card game, and have two methods that sort the players hand. sortHandBySuit(); sortHandByValue(); I would like one method to be called when the user slides their finger from left to ...
1
vote
1answer
172 views

Application design for specific points on image

Hi guys I am starting a simple hobby app in Unity, its a 2D app, which have some alphabets like A,B,C..Z (images) . There ll be specific paths where user touch one by one to complete drawing the ...
1
vote
2answers
180 views

What is the best way to funnel input to the correct entities?

I have an input pipeline that stores InputObjects into a queue, which I then iterate through once every frame. while(!inputQueue.isEmpty()) { InputObject inp = inputQueue.pop(); boolean ...
1
vote
1answer
24 views

LibGDX viewport touch coordinates transformation

I've been trying to get LibGDX's viewport and camera unproject() to work and so far none of the tutorials/answers I've found have worked for me. I have a game window of 840x480 units with ...
1
vote
1answer
39 views

Unable to achieve two finger panning

I'm looking to achieve a two finger smooth pan system in my project. However, the code below does not work, any interaction with the screen doesn't change to position of the camera. I am unsure where ...
1
vote
1answer
61 views

Actor not taking touch libGDX

I am trying to handle the touch of one of the Actors in the stage. The following is the code I have written: public class MyGame extends ApplicationAdapter { private GameStage gameStage; //Game ...
1
vote
1answer
310 views

How does Unity input work with touchscreens

I'm trying to make a racing game on android using unity. I want to make a car move forward when I touch an image button like in the picture below. I've already made it work using the keyboard. How ...
1
vote
1answer
8k views

How to detect that user has touched UI canvas in Unity 4.6?

In my 2d game I have a HUD with some buttons on it. To make it I am using new UI system, which was presented in Unity 4.6. When user is touching button, I am running method, which was declared in ...
1
vote
1answer
766 views

Move a sphere along the swipe?

I am trying to get a sphere curl based on the swipe. I know this has been asked many times, but still it's yearning to be answered. I have managed to add force on the direction of the swipe and it ...
1
vote
1answer
195 views

Creating a tilemap region of clickable buildings in cocos2d

How do you turn a tilemap (produced by TileD) for cocos2d where I can click on individual items and get a callback? Is it just a case of converting captured touch and finding out where it is on the ...
1
vote
1answer
814 views

Android Action_Move when moving between specific screen areas

OK so I know how to iterate through the different pointers that are currently touching the screen so I know what the coordinates are of these pointers using the following: Code snippet case ...
1
vote
1answer
352 views

Precise Touch Screen Dragging Issue: Trouble Aligning with the Finger due to Different Screen Resolution

Please, I need your help. I'm trying to make a game that will drag-n-drop a sprite/image while my finger follows precisely with the image without being offset. When I'm trying on a 900x1280 (in X ...
1
vote
1answer
1k views

openGL ES - change the render mode from RENDERMODE_WHEN_DIRTY to RENDERMODE_CONTINUOUSLY on touch [closed]

i want to change the rendermode from RENDERMODE_WHEN_DIRTY to RENDERMODE_CONTINUOUSLY when i touch the screen. WHAT i Need : Initially the object should be stationary. after touching the screen, it ...
1
vote
1answer
16 views

libgdx - Check if body is touch

I have some bodies around the screen(Ball[] balls), and I would like to delete them when user touches them. Also, I have an Image as userData of the bodies. I dont want to make a function to all ...