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-2
votes
0answers
17 views

Parameters of rotation [closed]

For a Simulation, i need to know what kind of parameters to have if i want to realistically simulate rotating axis(es). I could think off Speed, but there are more parameters to an rotation, right?
0
votes
0answers
19 views

Viscosity Term of Animating fluids [closed]

When animating fluids such as water or air using a simulation method such as the “stable fluids," why is it seldom necessary to an an explicit viscosity term?
21
votes
7answers
4k views

Transmission implementation in a car game

I'm trying to create a simple car game with manual gear changes. However, I'm having a bit of trouble implementing the gear changes. Here's my current code for the "car": int gear = 1; // Current ...
0
votes
1answer
58 views

Fixed joints in 3D

I'd like to build something like rigid origami in 3D space. So I need some mesh where each vertex is a particle and the set of the edges makes a chains/fabric where each edge is a "fixed length" ...
3
votes
1answer
219 views

Simulating Smartphones on PC with Unity

I want to make a game that depends on the phone orientation (changing shoot direction with tilt), however I need to test this on PC. So is there any tool I can use to simulate the orientation of the ...
2
votes
1answer
138 views

How to run physics simulation in the background for possible future outcomes?

I'm designing a physics-heavy game in 3d. The core mechanic of this game is that the user gets to choose his actions based on probable future outcomes. For example - the player has a choice whether ...
0
votes
0answers
54 views

Web-Based Traffic Simulation based on Discrete Event SImulation + AI

I'm working on the application of 2D web-based traffic simulation. I am looking for a library that is suitable for my application. I'm making an application based on discrete event simulation, each ...
4
votes
1answer
211 views

Simple Water surface simulation problems (GDC2008 Matthias Muller- Hello World)

Im attempting to implement a simple height field water surface simulation outlined in Matthias Muller's GDC 2008 talk. "http://www.matthiasmueller.info/talks/gdc2008.pdf" I can't seem to see why it ...
0
votes
1answer
59 views

Implementing traffic conditions in TORCS

I am working on a project about "Effects of Traffic conditions and Track Complexity on Car Driving Behavior". Is it possible to implement traffic in TORCS, or should I use another car simulator? By ...
4
votes
2answers
134 views

How do I calculate legal moves in a travelling board game?

I'm making a traditional roll-the-dice-and-move style board game. Players move along the white squares on the board (see image) and may move in any available direction from a junction. Players must ...
3
votes
3answers
337 views

Throwing a ball and estimating its path using a Physics engine

The problem: A player entity wishes to throw a ball from a known position with a known initial velocity. The surrounding environment contains physical objects that can alter the trajectory of the ...
5
votes
2answers
324 views

How can I simulate a floating character in Box2D?

I am creating a jump'n'run game using the Box2D physics engine. The main character should be a robot like creature without legs, floating over the ground powered by a jet engine. The motion should ...
0
votes
0answers
174 views

Run a few seconds of simulation just after loading a scene

I'm looking for a way to execute 3 to 15 seconds of simulation once a scene is loaded. The problem is: some objects can be left suspended in motion while the player exits the scene. their state is ...
2
votes
1answer
278 views

Does client side prediction sync with the server in the past?

I've spent some time now messing around and just trying to learn dead reckoning and client side prediction for the fun of it. Most of what I do doesn't need it, so i've never had a need to go down ...
1
vote
1answer
152 views

How do I calculate the motion of 2 massive bodies in space?

I'm writing code simulating the 2-dimensional motion of two massive bodies with gravitational fields. The bodies' masses are known and I have a gravitational force equation. I know from that force I ...
7
votes
5answers
392 views

How can I maintain saved game backward compatibility?

I have a complex sim game I want to add save game functionality to. I'll be updating it with new features continually after release. How can I make sure my updates don't break existing save games? ...
0
votes
2answers
159 views

How can I handle merging and splitting lots in a city block? [closed]

I am currently working on a SimCity-style game in C# using SharpDX. I'm having trouble handling the growing and shrinking the game entities that represent zones within a region. For example: ...
1
vote
3answers
174 views

Simulating (Human) Needs? [closed]

How can I simulate the vegetation (of a human being)? To simulate Hunger for example, I use some kind of saturation based system now. Means that every food-object saturates differently and the ...
0
votes
1answer
125 views

Lunar lander: How to calc acceleration in each step

I'm trying to make a lunar lander simulator. I'm going to use a simple Euler integration. AFAIK all I've to calculate is the acceleration in each step, and then I should be able to update velocity and ...
4
votes
1answer
2k views

Advance efficient water physics simulation [closed]

Summary: I am looking at creating a large(ish) ocean which multiple ships will be present in doing their own thing. I want the ocean to be a life like as possible but without compromising too much on ...
3
votes
3answers
511 views

Math to steer a car

I'm in the early stages of a city driving simulation project, and I'm having trouble with the math to determine how the AI should steer the cars. My car model is very simple, with nothing like ...
8
votes
2answers
811 views

Representing feelings such as temperature, pain, smell, taste, hunger, and thirst immersively

In a totally immersive, simulation-type role-playing game, the player should not look at bars or numbers to keep track of his or her stats, so another method of showing these stats is needed. For ...
7
votes
1answer
2k views

A simple flight simulator

In a 3D flight simulator with a Crimson Skies level of realism (as in, arcade level rather than realistic), how do you determine the movement of an aircraft each game clock tick? (Crimson Skies is an ...
4
votes
3answers
167 views

Particle dynamics simulation and conservation of energy

Suppose you want to simulate the dynamics of a particle subject to Newton's laws of motion. We could just fix a discretization of the time dt and solve approximate differential equations like ...
1
vote
1answer
141 views

AI and rendering to screen

I'm using LWJGL, however I'm a bit confused on what to do. I'm trying to write an AI simulation, however I'm stuck at this problem. I have one camera, and I plan to move the camera to the mob ...
7
votes
2answers
583 views

make a sphere rolling on a roulette mesh stop at predetermined place

I have a roulette and a ball(sphere) placed on it. When the game begins the roulette spins. The spinning of the roulette and gravitational forces on the ball makes it roll along the 3d roulette mesh. ...
3
votes
2answers
182 views

Creating shattering effects without having to use actual physics?

For certain effects like glass shattering and falling objects cracking to reveal their inner contents, are there any tricks or ways to implement these fracture physics without having to use actual ...
1
vote
1answer
368 views

Need help with a complex 3d scene (using Ogre and bullet)

In my setup there is a box with a hole on one side, and a freely movable "stick" (or bar, tube). This stick can be inserted/moved through the hole into the box. This hole is exactly as wide as the ...
2
votes
3answers
2k views

Why does exporting to FBX in 3dmax loses simulated animation

I made a cloth simulation (wind blowing a cloth). When I export it to FXB and the animation box is ticked on export menu it seems ok (no error in longs). When I reload it to Unity. or 3DMAX again. The ...
15
votes
1answer
634 views

How to simulate early politics? [duplicate]

I'm making a historically accurate game where the player can interact with past times and shape the future. The entire game is scientifically generated with math and real physics. (no, it won't have ...
1
vote
1answer
208 views

Simple 3D particle gravity in javascript? [closed]

I'm trying to do some simple gravity handling in my 3D environment (I'm using three.js). I've got some code, but it doesn't work. I'm hoping it's just a silly bug somewhere. Note: This is a ...
7
votes
4answers
587 views

Interstellar Economic Simulation

I'm designing a game reminiscent of Elite or Escape Velocity, those old space trading games, where you play a traveling merchant in space. I'd like to have the game's economy at least resemble a real ...
0
votes
1answer
364 views

What concepts are there for interactive water?

I want water to be a gameplay object in my game. The player should be able to take in in a bucket and tip it out somewhere in the world. Water should flow in some way so that it can be used to build ...
3
votes
1answer
153 views

What data structure to use to implement ocean currents and trade-winds

I'm creating an RPG/simulation game which is similar to the Uncharted Waters Series. The game allows the player to control a fleet to explore and navigate the world on the world map. My Game stores ...
3
votes
1answer
404 views

Realistic 2D Planetary Physics Engine?

I'm doing a spaceflight simulator in C++ (using Allegro 5), and I realised that I could just use a physics engine instead of writing my own physics. So that's what I'm doing. Since this is going to ...
0
votes
1answer
149 views

Simulating building stress [closed]

I need to simulate the effects of adding supporting materials to a building structure for a genetic algorithm in a block-based world. Essentially I am planning to use a genetic algorithm to optimise ...
0
votes
2answers
325 views

How to build a math module and simulate a system?

For example, in the classical game SimCity: an economic model to simulate the supply and demand of the city, then calculate how many people live in each building, how many people work there. a ...
3
votes
2answers
846 views

Should I calculate in meters or pixels

In my car sim I am doing my calculations in Standard Units, except for the distance which is in pixels. Is this still correct (my guess is no) or should I use Meters ? If I should use meters what is ...
7
votes
2answers
7k views

Typical Maximum steering angle of a real car

I'm building a car sim in Unity3D. I'm trying to set the properties of the car to be as realistic as possible. I can't seem to get a straight answer on Google so I thought of asking here. What is the ...
2
votes
1answer
498 views

Simple 2D hair simulation/manipulation

I would like to simulate very simple hair in a 2D environment, and will need to be able to "brush" the hair. What I want to do: A 2D character is facing squarely towards the player. The player can ...
26
votes
2answers
780 views

Modeling speed of light information propagation in space combat sim

I'm working on a space combat sim that takes place over relatively vast areas (a cube of space ~20 light minutes to a side) and uses (mostly) realistic physics. One of the key elements I want to model ...
1
vote
1answer
88 views

Looking for a peer reviewed article that details the benefits of a physics simulation within interactive media [closed]

I'm hoping this is the correct place to ask this question as it is video game related and can be seen as a key ingredient in modern game development. Does anyone know of a peer reviewed article that ...
5
votes
1answer
527 views

Calculate gears rotation for a realtime simulation

Hi I'm trying to do a game with real time simulations of gears. There is a big Gear with inside a smaller gear. I managed to draw gears with different diameters but equal size teeth, but if i try to ...
0
votes
4answers
1k views

Price of SimCity 5's Glassbox Engine

SimCity 5 will be powered by the Glassbox-Engine. If we want to use the engine for building own simulations, what will be the price for a license?
3
votes
2answers
305 views

Basic modelling of radar

I'm currently researching how to model/simulate radar for my naval simulation. Since the emphasis is on modelling ASW or submarines in general, I need only a basic radar model - at least for the ...
0
votes
2answers
6k views

How to add isometric (rts-alike) perspective and scolling in unity?

I want to develop some RTS/simulation game. Therefore I need a camera perspective like one knows it from Anno 1602 - 1404, as well as the camera scrolling. I think this is called isometric perspective ...
2
votes
1answer
1k views

Turn based battle and formula

I'm building a game called DVP(Digimon Virtual Pet), and in this game other than taking care of your digimon, You can also battle and breed them. I'm working on the battle system (making it first ...
1
vote
1answer
398 views

Simple (and fast) dices physics

I'm programming a throw of 5 dices in Actionscript 3 + AwayPhysics (BulletPhysics port). I had a lot of fun tweaking frictions, masses etc. and in the end I found best results with more physics ...
5
votes
1answer
525 views

2D Car Simulation with Throttle Linear Physics

I'm trying to make a simulation game for an automatic cruise control system. The system simulates a car on varying inclinations and throttle speeds. I've coded up to the car physics but these do note ...
2
votes
2answers
319 views

Updating “Inactive” Chunks

In my game, the only chunks (4x4 areas of tiles) in memory are the ones that the player is in. However, chunks need to have updates applied to them over time. A (likely) well-known example would be ...