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- How to draw circles, arcs and vector graphics in SDL?
SDL allows for third party libs to draw on a texture If cairo was desirable, it could be used in a
- SDL_GetKeyboardState not capturing key presses - Stack Overflow
I am trying to make a controller for a game with SDL 2(didn't want to ask on gamedev since it is not a game issue directly) I use SDL_GetKeyboardState to see if the navigation arrows are being pressed but it apparently doesn't work, it is supposed to print a value 1 or -1 if one of those keys is pressed but it doesn't it just prints 0 even if I
- c++ - What is an SDL renderer? - Stack Overflow
The SDL_Renderer renders SDL_Texture, which stores the pixel information of one element It's the new version of SDL_Surface which is much the same The difference is mostly that SDL_Surface is just a struct containing pixel information, while SDL_Texture is an efficient, driver-specific representation of pixel data
- c - How to render text in SDL2? - Stack Overflow
SDL_Color TextColor = { 255, 0, 0, 255}; Red SDL color TTF_Font* Font; The font to be loaded from the ttf file SDL_Surface* TextSurface; The surface necessary to create the font texture SDL_Texture* TextTexture; The font texture prepared for render SDL_Rect TextRect; Text rectangle area with the position for the texture text
- c - Drawing a rectangle with SDL2 - Stack Overflow
SDL_Renderer and SDL_Window needs to be set up before you can use them You already create your window properly, so I won't cover that Here's how to set up an SDL_Renderer SDL_Renderer* SDL_CreateRenderer(SDL_Window* window, int index, Uint32 flags)
- Achieving a constant frame rate in SDL - Stack Overflow
I'm trying to make an SDL program that runs with a constant frame rate However I'm finding that even though my program is lagging a lot and skipping a lot of frames (even though it's running at a low frame and isn't rendering much)
- c++ - SDL2 on Raspberry Pi without X? - Stack Overflow
SDL_VIDEODRIVER available: x11 wayland KMSDRM RPI dummy SDL_VIDEODRIVER usable : KMSDRM SDL_VIDEODRIVER selected : KMSDRM SDL_CreateWindow(): Could not initialize OpenGL GLES library # with envvars, succeeds: $ SDL_VIDEO_EGL_DRIVER=libEGL so SDL_VIDEO_GL_DRIVER=libGLESv2 so a out Testing video drivers
- SDL. h no such file or directory found when compiling
Most times SDL is in usr include SDL If so then your #include <SDL h> directive is wrong, it should be #include <SDL SDL h> An alternative for that is adding the usr include SDL directory to your include directories To do that you should add -I usr include SDL to the compiler flags If you are using an IDE this should be quite easy too
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