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Found 15 results

  1. Skeleton attachments

    From the album Explorer Game

    Here you can see I have got attachments working over the past few days. Each actor can have a number of attachments to specific locations like head, hands, root node etc. It took some fiddling with matrices to get the attachment rotations consistent as I foolishly didn't standardize the rest hand rotations on actor models. The weapons, shields and hats etc are pretty good but there is some cutting through when carrying some bulky items. Any game model can be made an attachments, including the huts(!) I'm not sure what they will look like being carried. I'm hoping to be able to attach canoes to the root bones and have the hero and natives in canoes on the water. Also I want to add particle emitters to attachments for example for a burning torch or a smokey herbal spliff. Here the player is carrying a sword and wearing a stylish african hat.
  2. Hi there, after some years of silence i now will have the time again to do some serious hobby game dev. I am a OpenGL / 3D / 2D Expert and can code almost any landuage. For some serious hobby game dev i am looking for 1 stable person to join me. Best case , you are an artist in 2d or 3d and/or have some game idea. I am open to any kind of game that the 2 of us can finisch. Find some stuff from / about me here: https://www.youtube.com/user/uwi2k2/videos cu kai
  3. Hi ! I have a drawing problem, display seems to be corrupted. The program is opengl es 3.0 running on iPhone. I have a file loader and it loaded data correctly before, but if you look at both attached images, the red, blue and green cubes aren't displayed correctly ( and only them). I haven't changed the source code of my loader, so I don't think it comes from it. I know however one thing, it is that vertices and indices ( and texture coordinates, and normals ) are raw pointers, and I think my problem is in relation to memory data/heap corruption because I didn't freed them before. The scenes were displayed correctly before and this problem came suddenly, without changing the source code for the loader and the opengl es class. What do you think about this problem ? Can you help me to solve it ?
  4. Hi there, i am a Programmer for 20 years and a OpenGL Trainer. I am looking for a "grown up" / "reasonable" Artist/Designer that is willing to work on a Game with me. I can do any kind of Programming , so your Part may be any kind of Design and/or Gameideas .. but i am open here. Sadly the last Artist i worked with had no more time for the Project, so maybe you wanne join me. We were working on a 2d TopDown Game in Pixel style, but i am open to any game idea that we can do in a 2 man team. I like to work on a 2 people team, as all the other big Projects always seem to end up in chaos. would be happy to hear from you. regards kai i attach some screens from the last game project:
  5. Just a little progress video. As well as getting the scripting working a bit more, I've been placing villages and naming map areas. The area names are generated by putting together random chosen syllables. Morphing For variation with the natives they now use realtime bones like the player, and there is a morphing system so you can have fat / thin / muscular natives etc (I only have created fat and thin so far to test, but it works fine). UV Maps As well as the morphing variation, each native has a uv map so it can use different textures for different uv islands (parts of the body). This will allow e.g. wearing different clothing, different faces, jewellry etc. At the moment I've just just put some red green and blue and white over the different areas as placeholder until I create more textures. The conversations are all random from script just for a test .. choosing random animals and people to make random snippets of talk. I will probably make this more purposeful, giving each villager names and relations so they can further the plot. Next Next up I am putting in attachments so they can carry spears etc, and the player can carry sword. Also I may be able to have a canoe as an attachment off the root nodes so they can canoe on the lakes. I will also add female natives. I could do them as morphs, but I think it will be easier for texturing etc to have a different female model.
  6. hi all, i am trying to build an OpenGL 2D GUI system, (yeah yeah, i know i should not be re inventing the wheel, but this is for educational and some other purpose only), i have built GUI system before using 2D systems such as that of HTML/JS canvas, but in 2D system, i can directly match a mouse coordinates to the actual graphic coordinates with additional computation for screen size/ratio/scale ofcourse. now i want to port it to OpenGL, i know that to render a 2D object in OpenGL we specify coordiantes in Clip space or use the orthographic projection, now heres what i need help about. 1. what is the right way of rendering the GUI? is it thru drawing in clip space or switching to ortho projection? 2. from screen coordinates (top left is 0,0 nd bottom right is width height), how can i map the mouse coordinates to OpenGL 2D so that mouse events such as button click works? In consideration ofcourse to the current screen/size dimension. 3. when let say if the screen size/dimension is different, how to handle this? in my previous javascript 2D engine using canvas, i just have my working coordinates and then just perform the bitblk or copying my working canvas to screen canvas and scale the mouse coordinates from there, in OpenGL how to work on a multiple screen sizes (more like an OpenGL ES question). lastly, if you guys know any books, resources, links or tutorials that handle or discuss this, i found one with marekknows opengl game engine website but its not free, Just let me know. Did not have any luck finding resource in google for writing our own OpenGL GUI framework. IF there are no any available online, just let me know, what things do i need to look into for OpenGL and i will study them one by one to make it work. thank you, and looking forward to positive replies.
  7. I've been making pretty good use of texture atlases in my current game, but as I find myself forced to use another texture (to enable generating tex coords for point sprites), I'm wondering if there may be a better way than currently batching by texture, and calling glBind before each batch. Instead is it more efficient to pre-bind a whole set of textures to all the available active texture slots, then simply only read from the ones I'm interested in in the fragment shaders (or call glUniform to change the active texture used by the frag shader). Is there any performance penalty to have a load of textures bound, but not being used? Is this a practical way to work on GLES 2.0, and are there any typical figures for how many active texture slots should be available on mobiles? I'm getting the impression the minimum is 8. This may make a difference as I'm having to do several render passes on some frames.
  8. Hi all, I am busy working on a small project where by I wont to use a webcam to track a users 'eye position' (vector from persons eye position relative to the center of the screen) and use this 'camera angle' to manipulate a threeJS scene (or maybe just straight webGL) such that it looks like the screen itself is a 'window' into a 3d environment. Too accomplish this I believe all that is required (assuming you already have the 'eye camera angle') is to manipulate the view matrix. For instance the image on the left would be a typical view frustum for a standard view matrix given a straight camera angle. The image on the right would be the ideal matrix and resulting view frustum if the 'eye camera position' were moved upwards. Is this as simple as swapping out the standard view matrix used? What would said matrix look like. Please bare in mind when answering, that I know as much about linear algebra as a first grader. Also for further details, this project will be browser based using webGl and javascript.
  9. I'm using Xcode on Mac OS X, and I've added a file called 'peacock.tga' into my project. I can't seem to open that file (using fopen) however. Is there anything special that I need to do in order for the file to be readable?
  10. Hello everyone!This is my first project for android.I was very interested of making games, and find LibGDX framework, and there I started. After 6-7 month I finished first mode for my game.So here we go ^^ Undercore - hardcore runner for android. You have to use skills like jump and stay on line. And you goal is to make a highscore dodging obstacles. ○ Improve your skills - the way will be rough, will you become a master?○ Contest - your friend hit 40 points? Double score and make him jealous!○ Collect - buy new color themes that would make the gameplay brighter!○ Achieve - beat records, die, earn. Collect achivements. No pain no gain.PlayMarket: https://play.google.com/store/apps/details?id=com.sneakycrago.undercore&hl=en Youtube - Gameplay I hope you enjoy it and also wait for feedback I can't make clickable button.Sorry, just link: https://goo.gl/dG1dLj
  11. I just found a code which uses libavcodec to decode videos and display them on screen Canvas canvas = surfaceHolder.lockCanvas(); canvas.drawBitmap(mBitmap, mDrawLeft, mDrawTop, prFramePaint); surfaceHolder.unlockCanvasAndPost(canvas); anyway it looks like a ton of useless garbage, it first decodes then draws a bitmap, i would like to somehow transfer video data to gpu directly so i can just draw a video frame in a simple poly (made of 4 verts), however it may be undoable, anyone has any more information about it?
  12. We use OpenGL ES2.0 for our game. On iPhone6 series, the IOKit has very large swapped size(100MB for just one resource, 0 resident size and 0 dirty size) which will lead to crash, for the same setting, almost no swapped size on iPhone 5 and 7 series...(attached images are iphone 5,6,7 in order) Our textures are mostly 1024x1024, 512x512, one 2048x1024 any ideas?
  13. hi all, I have encountered a problem : I draw a mount of triangles using OpenGL ES 2.0. Triangles drawn at the back, seem show in frames, then disappear in next frames, and then show again. A friend told me that it’s because ParamBufferSize in powervr.ini is not enough. I googled parameter buffer, but still have no idea why this happens. Is this because of the small ParamBufferSize? Should I cut down the size of VBO? or DrawCall? Thanks,
  14. This video gives an overview of differing features an OpenGL ES developer would encounter when starting to develop with the Vulkan API.
  15. Iñigo Quilez presented techniques for raytracing and distance fields in 4096 bytes on the GPU at NVSCENE 2008. Click the link below to view the presentation PDF. PDF: click here.