C++ SDL_SetRenderDrawColor(255,0,0,255);未设置使用Visual Studio 10以黑色继续打开窗口
我刚刚使用了SDL_SetRenderDrawColor(ren,255,0,0255) 对于SDL_Rect rec但未更改颜色,使用SDL_RenderPresent(ren)以黑色im渲染窗口 还需要用点什么吗?可能是SDL_RenderCopy 有人知道发生了什么吗C++ SDL_SetRenderDrawColor(255,0,0,255);未设置使用Visual Studio 10以黑色继续打开窗口,c++,sdl-2,C++,Sdl 2,我刚刚使用了SDL_SetRenderDrawColor(ren,255,0,0255) 对于SDL_Rect rec但未更改颜色,使用SDL_RenderPresent(ren)以黑色im渲染窗口 还需要用点什么吗?可能是SDL_RenderCopy 有人知道发生了什么吗 #include "game.h" Game::Game(){ SDL_Init(0); SDL_CreateWindowAndRenderer(800, 600, 0, &win, &re
#include "game.h"
Game::Game(){
SDL_Init(0);
SDL_CreateWindowAndRenderer(800, 600, 0, &win, &ren);
SDL_SetWindowTitle(win, "Game-SDL2");
running=true;
count=0;
loop();
}
Game::~Game(){
SDL_DestroyRenderer(ren);
SDL_DestroyWindow(win);
SDL_Quit();
}
void Game::loop(){
while(running){
lastFrame = SDL_GetTicks();
int static lastTime;
if (lastFrame >= (lastTime+1000))
{
lastTime=lastFrame;
frameCount=0;
count++;
}
render();
input();
update();
if (count > 3) running=false;
}
}
void Game::render(){
SDL_SetRenderDrawColor(ren, 255, 0, 0, 255);
SDL_Rect rect;
rect.x, rect.y=0;
rect.w=800;
rect.h=600;
SDL_RenderFillRect(ren, &rect);
frameCount++;
int timerFPS = SDL_GetTicks()-lastFrame;
if (timerFPS > (1000/60)){
SDL_Delay((1000/60)-timerFPS);
}
SDL_RenderPresent(ren, &rect);
}
我刚把
SDL_RenderClear(ren)
工作了吗???显示为红色,但我更改了矩形矩形的尺寸,如果窗口800x600始终为红色,则没有更改大小,但我认为正确的颜色设置为矩形,而不是所有窗口的颜色
可能还不是解决方案