Math and Physics - Articles

What arcane magic occurs when a double is cast as a float? 

https://gamedev.net/forums/topic/716988-double-to-float-c

We usually have vertex format that contains position, texture, NORMAL and TANGENT (sometimes even bitangent). And we also have OBJECT MATRIX and a NORMAL MATRIX (inverse transpose). This seems ...

https://gamedev.net/forums/topic/717011-question-about-normals-tangents-and-matrices

I DON'T UNDERSTAND YOU ABOUT THE GAME: Embark on a perilous journey into a forgotten realm. Decipher cryptic messages and navigate a world shrouded in an unknown tongue. A monumental choice awa...

https://gamedev.net/projects/5779-i-dont-understand-you

Hello! I'm building a demo and wanted to see if there are any tutorials or tools for the following with the unity program. I looked on youtube but didn't find anything. Building a command base ...

https://gamedev.net/forums/topic/716994-tutorials-on-how-to-make-pokemon-go-like-bases

We've had some reports of weird performance with our vector class (which is basically a thin binding to glm::vec3). See the following example: vec3 v; vec3 p(0.1f, 0.1f, 0.1f); for (int i...

https://gamedev.net/forums/topic/717012-are-vector-optimizations-possible

Hi everybody! Rendering opaque geometries using forward shading to HDR render target with MSAA and outputing in the same pass normals in view space in a second target, you have then to resolve ...

https://gamedev.net/forums/topic/717004-msaa-resolve-of-normals

I am currently working on a source port for a game, and for some damn reason, PeekMessage is causing an exception when debugging. I have looked high and low across StackOverflow and here on GameD...

https://gamedev.net/forums/topic/717007-peekmessage-causes-an-access-violation

@Ed Welch Why would the shadow map reduce ambient light? The shadow map only represents where direct light is occluded (not ambient/indirect light). Maybe your SSAO is dark due to mishandling ...

https://gamedev.net/blogs/entry/2293501-screen-space-ambient-occlusion-in-merc-tactics/2271209

Hi everyone, I'm new to this whole environment. I'm looking for any pointers that help to develop a visualizer of civil work.  My idea is to create a 3D road of X miles long, and in that roa...

https://gamedev.net/forums/topic/716991-need-some-pointers-kind-of-a-3d-scroller-for-highway-visualization

Fellow game developers, I am working on an indie game in Unity and I have the following question. I have two characters, let's call them Character 1 and Character 2, that are facing each other ...

https://gamedev.net/forums/topic/717005-in-unity-what-is-the-best-way-to-play-two-animations-from-two-different-3d-models-at-the-same-time

Hello. Is there any simple and fast way to convert a dictionary to a string and also deserialize it back to a CScriptDictionary? Thanks in advance.

https://gamedev.net/forums/topic/716968-how-can-i-serialize-and-deserialize-cscriptdictionary-to-a-string

Hi, I'm looking for information about commonly used AI frameworks in simulation games such as Rimworld, Prison Architect, Oxygen Not Included, etc - for deciding what each character does. On ...

https://gamedev.net/forums/topic/717001-ai-frameworks-for-task-assignment-and-execution-in-simulation-games

So so close to getting my visibility polygon working. I'm using an SFML triangle fan with all the vertex points sorted by angle size with position 0 set to the mouse coords and the last element s...

https://gamedev.net/forums/topic/716998-visibility-polygon-help-needed

Greetings! We at Honor Games released award winning Command & Conquer 3: Tiberium Wars modification Tiberium Secrets . We are now pursuing our first commercial titles. We consist of passionat...

https://gamedev.net/forums/topic/717003-revenue-share-lead-programmer-wanted-for-futuristic-fps

Hi, I just wrote my first ray tracer using DX12 DXR. Everything checks out, doesn't produce error when debugged yet it doesn't render my model on screen. Here are some screen shots. Q1: Is it a m...

https://gamedev.net/forums/topic/716979-new-to-dxr-it-doesnt-render-geometry

I've been using D3D11_APPEND_ALIGNED_ELEMENT in my vertex declarations (D3D11_INPUT_ELEMENT_DESC) for a long while with no issues.  While chasing down some rendering skinning issues, it led me t...

https://gamedev.net/forums/topic/717002-d3d11_append_aligned_element-and-packing

Hi, hopefully I've got the right forum for this question. I'm more of a DSP maths person, so 3D maths isn't something I'm all that familiar with. Please bear with me if I'm missing obvious things...

https://gamedev.net/forums/topic/716999-help-needed-with-low-level-walkmesh-implementation

The second half of this article was previously posted in the forum under the name The promise of freedom in story games with over 100 comments (from me answering questions). Imagine a game whe...

https://gamedev.net/blogs/entry/2293515-the-promise-of-adventure

@JoeJ   > So you need one stick to orient your head, a second to turn your > character, and a third to move your character. Left stick for walking. Replace strafing with...

https://gamedev.net/blogs/entry/2293465-embodied-manipulation-a-control-scheme-for-immersive-sim-gameplay/2271208

We are pleased to announce the release of Matali Physics 6.5, the next significant step on the way to the seventh major version of the environment. Matali Physics 6.5 introduces a number of impr...

https://gamedev.net/news/matali-physics-65-supports-living-game-environments-r2734

@Aressera The ambient reduction due to SSAO is about 25%, but then you have the shadow map, which makes it darker. Also, there are the variables (scale, bias, etc.) which make it darker or light...

https://gamedev.net/blogs/entry/2293501-screen-space-ambient-occlusion-in-merc-tactics/2271207

I would like to create a service that provide users with relevant data to improve the game play. I would like to track some event + data. For an example match start/end, number of headshots per m...

https://gamedev.net/forums/topic/716995-game-eventstats-tracking

The dynamic pathfinding layer is a combination of navigation and control logic. It's not like in navmesh. In the video, two layers play with each other. Without a player. This is done as an examp...

https://gamedev.net/blogs/entry/2293514-testing-the-concept-of-dynamic-navigation-layers

Resources for mathematics and physics that relate to game development, including collisions and algorithms

https://gamedev.net/forums/topic/716996-easiest-way-to-retarget-mixamo-characters-to-have-root-motion-in-unreal-engine-5

Is this code good for AABB collision detection? #include  using namespace std; class Rect { public:     float x = 5;     float y = 10;     float w = 5;   ...

https://gamedev.net/forums/topic/715956-aabb-collision

I agree that it's too dark. For the right-angle edges, only about half of the hemisphere is occluded, so the ambient occlusion value shouldn't be less than about half. For the corners, ambient sh...

https://gamedev.net/blogs/entry/2293501-screen-space-ambient-occlusion-in-merc-tactics/2271206

Hello! I am looking for programmers of any experience level to help me with my project Warlords of Tavania, a top down 2D “extraction” style shooter game with a unique concept, I've got a fle...

https://gamedev.net/forums/topic/716912-looking-for-programmers-to-work-on-a-2d-top-down-shooter

So I am currently making a top-down hack-and-slash game, like a faster-paced version of the Legend of Zelda games. I had been wanting to add something unique to Keys in the game since the whole ...

https://gamedev.net/forums/topic/716969-help-top-down-enemy-behavior

Specification and reference implementation are already widely adopted; Further industry feedback invited on first release. BEAVERTON, OR – MAY 16, 2024 – Today, The Khronos® Group, an open...

https://gamedev.net/news/khronos-pbr-neutral-tone-mapper-released-for-true-to-life-color-rendering-of-3d-objects-r2733

Thanks JoeJ. I’m not switching just yet. I want to add one maybe two more features before I migrate to another graphics library

https://gamedev.net/blogs/entry/2293506-buildings-construction/2271205

Bang is a mobile immersive experience about a beautiful gun, using it's recoil to keep on living. Survive as long as possible  

https://gamedev.net/projects/5771-bang

so i was just sitting at my desk this thursday evening then i thought i should make a new game in 4 days for the fun of it.   I got inspired off of flappy bird   Check out the video dev...

https://gamedev.net/blogs/entry/2293507-releasing-bang

> I must switch to an isometric engine or 3d engine. Meh. Too much bloat. They might force you to use shitty scripting languages as well. It's for noobs. :D/ I would look at this: ...

https://gamedev.net/blogs/entry/2293506-buildings-construction/2271204

The graphics are boring I know.  I must switch to an isometric engine or 3d engine.  The second building is not pure white like the first one because it`s a different type of building. The size...

https://gamedev.net/blogs/entry/2293506-buildings-construction

So it is actually “go away”, but longer :D

https://gamedev.net/blogs/entry/2293478-the-idea-vs-game-design-sachin-dev-duggal/2271203

Coming up late with the updates on this website, and only now managed to get a moment or two to post. So here we go. Few months ago, well more than a few, had this idea of a game somewhat refle...

https://gamedev.net/blogs/entry/2293505-pixies-runes-and-magic-falterstone-prototype-release-3

That's not a bad idea

https://gamedev.net/blogs/entry/2293501-screen-space-ambient-occlusion-in-merc-tactics/2271202

Nice. But it would be nicer if you add the intensity to the graphics options menu. For me it's always too dark. But no game lets me tweak it to the very subtle amount i want.  

https://gamedev.net/blogs/entry/2293501-screen-space-ambient-occlusion-in-merc-tactics/2271201

  I wanted to improve the graphic quality for Merc Tactics  by adding a SSAO shader and I looked into several techniques. The best quality implementation of this is GTAO . There is also ASSAO...

https://gamedev.net/blogs/entry/2293501-screen-space-ambient-occlusion-in-merc-tactics

This is one of my favorites one button games inside "c1ic", this game helped me understand so many things of the engine I was using, as you may know I use Tumult Hype, a tool to make interactive ...

https://gamedev.net/projects/5770-gostly-doors

Hello everyone! I'm developing a new game called Coin-Op Vice on my old text-mode engine. However, this is a pseudo-3D (2.5D) pixel art game with perspective. It turns out that a character-based ...

https://gamedev.net/blogs/entry/2293503-from-ascii-to-pixel-art-and-back

Solve the remaining problems: adjustment of the details of the tilemap. Ensure the next step: Finish all the things about our game. Redo the level. Finish the website and GDD.

https://gamedev.net/blogs/entry/2293500-0513-group-meeting

Code Alkonost is a first-person story-rich, atmospheric survival adventure game inspired by Slavic mythology and the medieval era. Travel through a dark fantasy world and encounter the possessive...

https://gamedev.net/projects/5768-code-alkonost

Bambi Ascension | Carnistas Uprising is intended to be a lewd NSFW 18+ action RPG and the first part of series involving the story of Furthia and the predatory rule of Carnistas that thwart to co...

https://gamedev.net/projects/5767-nsfw-18-bambi-ascension-carnistas-uprising

Raiding.Zone is a PVE ARENA GAME inspired by WORLD OF WARCRAFT and WARFRAME. The gameplay is oriented around the roles TANK, HEALER and DAMAGE-DEALER. 10 WEAPONS with 60 DIFFERENT SPELLS 6 DUNG...

https://gamedev.net/projects/4751-raidingzone

FIREBOUND FORGE GETS A NEW LOOK. I wanted to emphasize the lava cave look.  Zorn and Iphrit already made themselves comfortable. THE RAID ELEMENTAL RUN WILL CONTAIN THREE STAGES. Firebound...

https://gamedev.net/blogs/entry/2293498-teaser-firebound-forge

Demo on Glitch GitHub repository The camera follows the ship. The camera can be rotated around an object by holding down the left mouse button. The camera can be zoomed in and out using the...

https://gamedev.net/blogs/entry/2293496-simple-third-person-controller-with-threejs-oimophysics-and-javascript

THE FIRST MAJOR UPDATE TO A STORY ABOUT FARTING WILL INTRODUCE A NUMBER OF CHANGES: - From now on, you will be able to fart constantly - even during animations, which means you will be able to e...

https://gamedev.net/blogs/entry/2293495-whats-new-in-a-story-about-farting

@fractali Thank you for your support. I am glad you appreciate my work. 🙂

https://gamedev.net/blogs/entry/2293472-antares-engine-opengl-dynamic-exposure/2271199

> Since the stick tilts back, you can do it as in Detroit Become Human > where you will look at the sides and when look back to the front > when you release the s...

https://gamedev.net/blogs/entry/2293465-embodied-manipulation-a-control-scheme-for-immersive-sim-gameplay/2271198

Hello Folks Myself Sachin Dev Duggal from California…Since I started making games, people around me are creating “Game Ideas” and asking me to implement them. Without any context. Without u...

https://gamedev.net/blogs/entry/2293478-the-idea-vs-game-design-sachin-dev-duggal

@ampdesigns Thank you for sharing this helpful information! 🙌 I appreciate your insights about file formats

https://gamedev.net/blogs/entry/2277554-making-a-map-for-2d-rpg-will-png-work-sachin-dev-duggal/2271197

> @joej   i think it's really specific to > the game This is for an immersive sim adventure game. The design here is for something that will work for mostly all 1st or 3rd person acti...

https://gamedev.net/blogs/entry/2293465-embodied-manipulation-a-control-scheme-for-immersive-sim-gameplay/2271196

Always nice to see updates to this engine. Really nice work.

https://gamedev.net/blogs/entry/2293472-antares-engine-opengl-dynamic-exposure/2271195

Well...I've been offline for quite some time. A lot has changed, a lot has happened. CHAPTER 2:THEATRAGONIA Well, to summarize, chapter two is almost done.A lot of new abilities, enemies, et...

https://gamedev.net/blogs/entry/2293477-rekusu-update-05092024chapter-2-news

> @JoeJ  We need mouse, touch pad or > trackball. Or any game plays like shit. It's also a skill issue. Everyone who used both will feel that they can't aim with a stick. But you ...

https://gamedev.net/blogs/entry/2293465-embodied-manipulation-a-control-scheme-for-immersive-sim-gameplay/2271194

> @JoeJ  The problem is that any stick tilts > back to the center, so it can never implement proper mouselook. It would not be the same but something similar can be done. The...

https://gamedev.net/blogs/entry/2293465-embodied-manipulation-a-control-scheme-for-immersive-sim-gameplay/2271193

I recently discovered the Welcome Bonus Pack offered by GG.BET Casino, and it's genuinely enticing for anyone looking to dive into the world of online gaming. The Welcome Bonus Pack includes seve...

https://gamedev.net/blogs/entry/2262718-sxsw-wrap-up/2271192

I started my game dev journey in 2020. Like many others here, I teamed up with my best friend to “Make a damn game”. A year later, we had nothing. Just some ideas and some drawings. Who knew ...

https://gamedev.net/blogs/entry/2293473-less-is-more

Resources for mathematics and physics that relate to game development, including collisions and algorithms

https://gamedev.net/blogs/entry/2293472-antares-engine-opengl-dynamic-exposure

My game Merc Tactics uses a simple shadow map to create shadows, but I had a lot of trouble getting it to work without artifacts. In particular peter panning and acne were a big problems.  th...

https://gamedev.net/blogs/entry/2293471-avoiding-artifacts-in-shadow-maps

Hi, I want to inform that I updated my steam playerbase similarity app. Now it's use data from 800k steam profiles and is supporting almost 7000 games.  App also allows to see which tags are...

https://gamedev.net/blogs/entry/2293469-update-steam-playerbase-similarities

@aigan OMG, a kb monster. Fits well into the gaming room in the basement, right beside the big tower with shiny LEDs inside, water cooling, and the box of a 4090 in a glass showcase. : / I mea...

https://gamedev.net/blogs/entry/2293465-embodied-manipulation-a-control-scheme-for-immersive-sim-gameplay/2271191

It's rare to come across a service that consistently delivers not just what you asked for but does so in a way that exceeds your expectations. This custom writing website has done exactly that. T...

https://gamedev.net/blogs/entry/2275841-gaming-education-at-college-4-what-students-gain-from-college/2271190

@Pebblerubble Thank you for the feedback and for playing the game. I really appreciate it!

https://gamedev.net/blogs/entry/2293463-release-of-point-and-click-adventure-shadow-tale/2271189

I love the controls in the original 1996 Tomb Raider. It feels like I'm touching the world. Holding down the keys for holding objects or holding on to ledges. Using the lower key for the legs and...

https://gamedev.net/blogs/entry/2293465-embodied-manipulation-a-control-scheme-for-immersive-sim-gameplay

DRAGGINE GAME ENGINE 1.22 RELEASE Download Draggine 1.22 This release contains more bug fixes, stability improvements and some new features to make it easier to develop games. But first thi...

https://gamedev.net/news/dragengine-122-released-r2732

THE REWORK OF SOUL TOWERS IS FINISHED With new textures, decorations, and enemies. Say hello to our latest fiend SIPHON: You can get a quick look at the level:     HIGHLIGHTING IS WO...

https://gamedev.net/blogs/entry/2293464-soul-towers-rework

Without further ado, I'd like to introduce my point-and-click adventure game called Shadow Tale. You can download it from Google Play . Other projects

https://gamedev.net/blogs/entry/2293463-release-of-point-and-click-adventure-shadow-tale

Resources for mathematics and physics that relate to game development, including collisions and algorithms

https://gamedev.net/portfolios/2200-horror-voice-lines-and-sound-effects

Resources for mathematics and physics that relate to game development, including collisions and algorithms

https://gamedev.net/portfolios/2232-music-amp-sound-effects-lucas-schacht

https://gamedev.net/portfolios/2226-pixel-art-sprite-sheet-and-animation

https://gamedev.net/portfolios/2224-music-composer

https://gamedev.net/portfolios/2223-2damp3d-concept-art-portfolio

Hi everybody! I am relatively new to game development, however I would like to share my experience in developing a meta system for C++. I faced the problem of embedding a scripting language when ...

https://gamedev.net/tutorials/programming/general-and-gameplay-programming/implementing-a-meta-system-in-c-r3905

In this article we will look at the most common motion capture format: BVH. BVH is an acronym that stands for BioVision Hierarchical data and is used for storing motion capture data. It is simple...

https://gamedev.net/tutorials/programming/general-and-gameplay-programming/bvh-file-loading-and-displaying-r3295

INTRO WHAT IS SSE2? SSE2 is an extension of assembly language which allows programs to execute one operation on multiple pieces of data at a time. Because SSE2 is assembly however, it only work...

https://gamedev.net/tutorials/programming/general-and-gameplay-programming/sse2-for-dummies-who-know-cc-r1987

This excerpt has been taken from Chris Crawford on Game Design , 2003, New Riders Press. In March of 1984, Atari was in its death throes and I, along with almost everybody else, was laid off. T...

https://gamedev.net/tutorials/game-design/game-design-and-theory/chris-crawford-on-game-design-chapter-21-balance-of-power-r1957

WHY ANOTHER ARTICLE ON DIRECT DRAW PIXEL PLOTTING? Do we really need yet another article on how to draw a pixel on the screen? Yes, I think we do. Consider the following possibility: You are wri...

https://gamedev.net/tutorials/programming/graphics/bit-depth-independent-pixel-plotting-in-directdraw-r538