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Surfaces must not be locked during blit 13 Years Ago by thekitoper …. Whenever I run it I get an error reading "Surfaces must not be locked during blit" but in my… Re: algorithm for parametric surfaces design in 3d. 12 Years Ago by mike_2000_17 …and other applications that require smooth interpolations. For surfaces, you use a [bicubic interpolation](http://en…it cannot represent sharp edges or weirdly curved surfaces too well. Bézier curves are generated efficiently…circumstances). NURBS can represent both extremes: sharp edged surfaces and perfect analytical shapes (e.g. spheres, cylinders… Geometric Design using smooth surfaces with arbitrary genus 13 Years Ago by fflittle Surfed, a freeform editor for sculptured surfaces was published in 1978 in CAD. It premiered screen… via a tablet with a pen tip switch. The surfaces edited were square arrays of squares. Although a variety …shapes were obtained, no previous concept was achieved. The surfaces also complied with twist compatibility constraints. It was interesting but… algorithm for parametric surfaces design in 3d. 12 Years Ago by tendaishava i am looking for information source on an algorithm for parametric surfaces design in 3d. i just need advice on how to go about it. the language used for the algorithm is not a matter but rather the idea on how the algorithm is to be is of paramount importance. below i have shown what i want to achieve. Re: Surfaces must not be locked during blit 13 Years Ago by group256 Could you please put your code in CODE tags. Makes it easier to read and debug. Re: Surfaces must not be locked during blit 13 Years Ago by thekitoper Sorry here it is : [CODE]import pygame, sys, random from pygame.locals import * pygame.init() screen = pygame.display.set_mode((1000, 1000)) pygame.display.set_caption("The Starship by Christopher") #music from Chrono Trigger loop_numx = 999 loop_numy = 999 #pre-animation begin #music set … Re: Geometric Design using smooth surfaces with arbitrary genus 13 Years Ago by Ezzaral Um, alright, so did you have a question? Function 'initgraph' should have a prototype 15 Years Ago by Prashant45 …;; ob1<<" The reflecting surfaces obey laws of reflection. Refracting surfaces obey laws of refraction."; ob1<…metal and non metal."; ob9<<"The surfaces of some metals, such as iron, get corroded when… metal.\n"; cout<<"\n10.The surfaces of some metals, such as iron, get corroded when… Re: Cube texturing, and texturing in general. 13 Years Ago by gusano79 …' to 'solid', what would be a basic algorithm to render surfaces of an object? In a cube, for example, what… surfaces are visible, and what surfaces are not?[/QUOTE] You're talking about [URL… culling[/URL]. One way to do this: Don't draw surfaces that have a normal vector that points away from the… Need help with DirectX code 20 Years Ago by Mike29936 …displaymode; int error; LPDIRECT3DVERTEXBUFFER9 vertex_buffer; vector<IDirect3DTexture9 *> surfaces; public: Initialize(void); void StartRender(void); void DrawTriangle(VERTEX[…Couldn't load sprite",GetError(error),0); } return surfaces.size(); surfaces.push_back(surface); } void Direct3D::DrawSprite(int number,int … sdl_ttf not working 17 Years Ago by Sturm … fine return true; } void clean_up() { //Free the surfaces SDL_FreeSurface( background ); SDL_FreeSurface( message ); //Close the font…//Quit the program quit = true; } } } //Free surfaces and font then quit SDL_ttf and SDL clean_up(); return 0… C++ SDL help. 14 Years Ago by tatainti55 …loaded fine return true; } void clean_up() { //Free the surfaces SDL_FreeSurface( background ); SDL_FreeSurface( upMessage ); SDL_FreeSurface( downMessage ); …false ) { return 1; } //Generate the message surfaces upMessage = TTF_RenderText_Solid( font, "Up was pressed."… Cube texturing, and texturing in general. 13 Years Ago by TotoTitus …' to 'solid', what would be a basic algorithm to render surfaces of an object? In a cube, for example, what… Read Me: CD/DVD DRIVE READ/WRITE ERRORS 16 Years Ago by mechbas …. With alcohol, clean the disc mounting/contact surfaces and a general cleaning of the surfaces that the air didn't get to… A Multi-Dimensional Desktop for Macs? 15 Years Ago by newsguy … a depth, and one or more one or more side surfaces extend from the back surface to the viewing surface."… receptacle is disposed on one or more of the side surfaces, and one or more icons are disposed within the icon… Access Violation in Visual C++ using SDL 14 Years Ago by Basicgear …int SCREEN_HEIGHT = 480; const int SCREEN_BPP = 32; //The surfaces that will be used SDL_Surface *message = NULL; SDL_Surface *background…return 1; } //Wait 3 seconds SDL_Delay(3000); //Free the surfaces SDL_FreeSurface(message); SDL_FreeSurface(background); //Quit SDL SDL_Quit(); //Return return 0… SDL access violation 14 Years Ago by Basicgear …int SCREEN_HEIGHT = 480; const int SCREEN_BPP = 32; //The surfaces that will be used SDL_Surface *message = NULL; SDL_Surface *background…return 1; } //Wait 3 seconds SDL_Delay(3000); //Free the surfaces SDL_FreeSurface(message); SDL_FreeSurface(background); //Quit SDL SDL_Quit(); //Return return 0… textures and ATI cards == crash 12 Years Ago by vextorspace … an JOGL based opengl program that uses textures on flat surfaces. After a texture is put on a surface, it will… improperly, but since I am using display lists for these surfaces, if I dispose of the texture it isn't there… SDL another question 12 Years Ago by nuclear …[/url] and i in here we first set up some surfaces with text and then asign their value to the message… to quit properly, but if i dont set up the surfaces with text from the start and just set up the… This tutorial code opens then closes instantly 12 Years Ago by ChrisMackle … int LEVEL_WIDTH = 1280; const int LEVEL_HEIGHT = 960; //The surfaces SDL_Surface *dot = NULL; SDL_Surface *background = NULL; SDL_Surface *…If everything loaded fine return true; } void clean_up() { //Free the surfaces SDL_FreeSurface( dot ); SDL_FreeSurface( background ); //Quit SDL SDL_Quit(); } Dot… Using Dual Layer DVD Disks 4 Years Ago by MickeyD … burning surface on either side, and one with 2 burning surfaces/layers on one side. I have ordered some blank DVDs… with 2 burning surfaces on one side. I installed Nero Info Tool and checked… Re: SDL another question 12 Years Ago by raptr_dflo … leak (as the loop allocated more and more of these surfaces without giving them back) and eventually the program crashes. The… Asus A7N8X does not store bios settings, no POST 19 Years Ago by jpa … checks out at 3 volts with my voltmeter. Cleaned the surfaces and re-installed. Still the same problem. Cleared the CMOS… Closed surface 16 Years Ago by a.baki I want to compute closed surfaces with using the dxf file. I don't have much information about this file format. User will draw lines or arcs, than, first I will tell them that they draw a closed surface, second I try to compute area of closed surface. any idea or algorithm... Nawthun Kah-li-fawn-ya says hi 16 Years Ago by brianh107 … had some very funny moments, esp the doorbell scene. Seinfeld surfaces in many of my conversations, Tombstone prob my fav. New… Tiling Quads with DirectX 16 Years Ago by CoolGamer48 … I'm not seeing. Anyway, if anyone has done tiling surfaces before please share! BTW, I'm using DirectX with C… Weird problem in ADS 16 Years Ago by shaunak.it … couple of days or three, then again the problem re-surfaces, and I have to do it all over again. Please… Code mess.. 15 Years Ago by minas1 …(0)); if(!init()) return 1; atexit(cleanup); // to cleanup the surfaces // load images background = loadImage("background.jpg"); message = loadImage… OpenGL best option for 3d virtual world? 14 Years Ago by BlackPhoenix … movement/time features game.Draw(); //redraw screen } game.Close() //clear surfaces/textures and quit API of choice[/CODE] Is OpenGL the… Java 3D for virtual world over OpenGL? 14 Years Ago by BlackPhoenix … movement/time features game.Draw(); //redraw screen } game.Close() //clear surfaces/textures and quit API of choice[/CODE] Is OpenGL the…