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Re: OpenGL Lens Distortion 14 Years Ago by Weird Nerd …just one function call. This is the header (called Distortion.h): [CODE]#ifndef DISTORTION_H_INCLUDED #define DISTORTION_H_INCLUDED #define …screen size. Fifth parameter is what type of distortion you want. The different types are listed before…parameter is how much detail you want in your distortion. I was testing out medium-sized distortions, … Re: OpenGL Lens Distortion 14 Years Ago by Weird Nerd …solution by trial-and-error. I get close, but the distortion is not seamless. Let's assume the 'object' mentioned …below is causing distortion. Let me try to explain some things I found out…I am able to ignore just the radius of the distortion when grabbing and rendering, as the apparent radius would … OpenGL Lens Distortion 14 Years Ago by Weird Nerd … everybody, I was just wondering, how do you create Lens Distortion in OpenGL? As in, the rendered image looks bloated or… too much CPU. As an extra, how about a spiral distortion? (I've seen it once when I was playing C… Re: OpenGL Lens Distortion 14 Years Ago by mike_2000_17 … my previous post (which is what you need for lens distortion, now that I think about it). Nicely done! >>… it could just render to a texture and apply the distortion). The objects you render just belong to one scene and… Re: OpenGL Lens Distortion 14 Years Ago by mike_2000_17 …-to-texture techniques. As with your example of the spiral distortion, this, as far as I can tell, cannot be done… Re: OpenGL Lens Distortion 6 Years Ago by WaszStary … if it could be possible to "limit" the distortion to **just a circle of a given radius**? Right now… Gateway NX860 Model #M685 T5500 Widescreen distortion... 17 Years Ago by FriarTed … (1440 × 900 Max Res)), I get an intolerable degree of distortion, hazy & gritty & obviously showing the digital grid. Game… Re: Website Distortion 12 Years Ago by pixelsoul I'm not seeing any distortion, I have checked in IE, Chrome, and FF with a resolution of 1920x1080. Re: Website Distortion 12 Years Ago by EvolutionFallen I'm not seeing distortion on the homepage either. Could you submit a screenshot? Re: Website Distortion 12 Years Ago by Reliable Hey everyone, I seemed to have resolved the distortion issue. Intead of having a body tag width of 100% … Re: OpenGL Lens Distortion 14 Years Ago by Weird Nerd Alright, I've coded the example at NeHe Productions (awesome site!) and I have got some wonderful results with the CG Vertex Buffer (Lesson 47). I familiarized myself with the code and I know how to make some basic transformations. ... Now how do I make it distort light instead of objects? Re: OpenGL Lens Distortion 14 Years Ago by Weird Nerd I think I might have to use Fragment Shading (Pixel Shading). I'm looking into this now. UPDATE: I went through your message once more, you already suggested to me to use "a pair of vertex and fragment shader". My bad. Re: OpenGL Lens Distortion 14 Years Ago by Weird Nerd I've just found this website whose source code uses only the glut library and was able to create effective distortions! [url]http://local.wasp.uwa.edu.au/~pbourke/miscellaneous/lenscorrection/[/url] I haven't examined the code yet, but this is still great news! Re: OpenGL Lens Distortion 14 Years Ago by Weird Nerd Alright! I've got what I wanted. I've hacked together some functions that will help to distort the screen with sine, square, and arcsine functions with minimal difficulty. This was an odd mixture of NeHe's lesson 36 (Radial Blur) and a link I mentioned earlier. Here's the header: [CODE]#ifndef DISTORTION_H_INCLUDED #define DISTORTION_H_INCLUDED … Re: OpenGL Lens Distortion 14 Years Ago by Weird Nerd To clear things up, I would be able to solve the 2 complications I listed once I knew how to render an orthographic view. As things turn out, I have done it! These are the updated functions: [CODE]void Transform(int i, int j, double *ix, double *iy) { double x, y, xnew, ynew; double r, theta, rnew, thetanew; x = i / (ScreenSizeX/2… Re: OpenGL Lens Distortion 14 Years Ago by Weird Nerd I now have some code that works perfectly on my application. This is some new code: [CODE]void wRenderToTexture(GLfloat CtX, GLfloat CtY, GLfloat Radius, int &StartX, int &StartY, int &Size, int &d) { int ScreenMod = (int)(ScreenSizeX * 0.909f); //727 int StX = (int)((CtX-Radius+1.0f)/2 *ScreenMod) +36; int StY = (int)((… Re: OpenGL Lens Distortion 14 Years Ago by Weird Nerd I now have some code that works perfectly on my application. This is some new code: [CODE]void wRenderToTexture(GLfloat CtX, GLfloat CtY, GLfloat Radius, int &StartX, int &StartY, int &Size, int &d) { int ScreenMod = (int)(ScreenSizeX * 0.909f); //727 int StX = (int)((CtX-Radius+1.0f)/2 *ScreenMod) +36; int StY = (… Re: OpenGL Lens Distortion 14 Years Ago by Weird Nerd I've found that the ScreenMod value is actually calculated like this: [CODE]int ScreenMod = (int)(1454/(-Depth));[/CODE] Anyone knows what 1454 roughly equates to? This value might change with the screen ratio, but I was unable to check that. The XAlign is affected by both Screen Size and Depth. These are my findings for my 800x600 resolution … Online Quiz System 14 Years Ago by jimmyo88 … integrity of the data. False True `Delay distortion occurs because the velocity of propagation of a … in strength is _~text~. attenuation interlacing delay distortion pulsing `The rate in bits per second at … function of temperature. Thermal `Because of delay distortion some of the signal components of one bit … Tutorials, brushes, fonts 19 Years Ago by ~Hubba~ ….html]Designs by Mark[/url] [url=http://www.distortion.co.uk/freebies/tutorial.html]Distortion[/url] [url=http://www.dreaminfinity.com/tutorials… Graphic card crashes 15 Years Ago by Silvershaft …,1,1,sfxpfx2.dll,1.00.0000.1436 Sony ExpressFX Distortion,0x00200000,1,1,sfxpfx1.dll,1.00.0000.1436 Sony…,0x00200000,1,1,sfppack1.dll,1.00.0000.1436 Sony Distortion,0x00200000,1,1,sfppack3.dll,1.00.0000.1436 Sony… Sound to Go: a designer soundbar for your laptop 13 Years Ago by happygeek … dynamic enough for me, although at low volumes it was distortion free and 'pleasant' enough I guess. Just don't expect… will be your teeth as they grind together at the distortion when you play anything loud. Maybe I have just been… Direct3D Unavliable Problem 13 Years Ago by Nikki2 …,1,1,sfxpfx2.dll,1.00.0000.1303 Sony ExpressFX Distortion,0x00200000,1,1,sfxpfx1.dll,1.00.0000.0561 Sony…,0x00640000,1,1,ir41_32.ax,4.51.0016.0003 Sony Distortion,0x00200000,1,1,sfppack3.dll,1.00.0000.0638 Sony… Does HPâ€™s TopShot Printer really hit-the-mark? 13 Years Ago by MichaelDrew … 245 dpi any resizing of the image starts to show distortion. [ATTACH=RIGHT]23602[/ATTACH] The only time I saw any… warped or folded in any way it will cause noticeable distortion in the copy. However, color and black and white scans… CUPS problems with mozilla 22 Years Ago by Dani … webpage, it always prints it perfectly (e.g. graphics, no distortion, etc). However, it's just a real pain to have… Red Hat Gone Bad! 21 Years Ago by MuddBuddha … specific monitor model (Multisync P2150+) -> But due to the distortion and lack of Red Hat experience, I have no idea… Is this monitor broken? 20 Years Ago by rhino1616 … when he plays its the program that causes the mostly distortion in the screen. Im not a computer tech, so Im… typical "i'm new" stuff 20 Years Ago by ElementalDistor …. (if I'm capable) I have a website called Elemental Distortion. It's mainly art promotion and sales. It's my… My First Website 20 Years Ago by Nico Dee … Track 2 - Bendigo E.P. White Label - ??? - ??? Dj Rip - Digital Distortion - Underground Construction Proteksion Records - oo4 Static Drum - The Form - Final… Power difference between the 4-pin molex and the 6-pin pci connector 18 Years Ago by DeC …-10 seconds and then the system crashes with an immediate distortion of what the screen shows at the time and nothing…