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C++ Gfx::clearScreen方法代码示例

本文整理汇总了C++中Gfx::clearScreen方法的典型用法代码示例。如果您正苦于以下问题:C++ Gfx::clearScreen方法的具体用法?C++ Gfx::clearScreen怎么用?C++ Gfx::clearScreen使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Gfx的用法示例。


在下文中一共展示了Gfx::clearScreen方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: main

int main ( int argc, char** argv ) {
    SDL_Texture* s1Texture = NULL;
    SDL_Texture* s1TextureShift = NULL;
    SDL_Rect s1Rect = { 0, 0, 18, 24 }; //player x y w h
    SDL_Texture* e1Texture = NULL;
    SDL_Rect e1Rect = { 310, 240, 16, 16 }; //enemy x y w h
    
    Input *input = new Input();
    Sprite *sprite = new Sprite();
    Gfx *gfx = new Gfx();
    General *general = new General();
    
    float fps, frames, frameStartTime, frameEndTime;

    gfx->gfxinit(screenw, screenh); // open window with 620x480 res. with 8 bit color
    
    s1Texture = gfx->createTexture("gfx/s1.bmp", 0);
    s1TextureShift = gfx->createTexture("gfx/s1sneek.bmp", 1);
    e1Texture = gfx->createTexture("gfx/e1.bmp", 0);
    
    /* program main loop */
    while (!input->isGameDone()) {
        // get time when frame starts
        frameStartTime = SDL_GetTicks();
        
        input->inputLoop();
        sprite->move(input, s1Rect, e1Rect);
        general->checkCollision(input, s1Rect, e1Rect, screenw, screenh);

        gfx->clearScreen(100,0,0);

        if (!input->isShiftPressed()) {
            gfx->drawTexture(s1Texture, s1Rect);
        } else {
            gfx->drawTexture(s1TextureShift, s1Rect);
        }
        
        gfx->drawTexture(e1Texture, e1Rect);

        gfx->update();
        
        // get time at the end of frame after updating
        frameEndTime = SDL_GetTicks();
        // increment frames
        ++frames;
    
        fps = frames / (SDL_GetTicks() / 1000);
        
        // Supposed ms per frame is 16.6666ms since 1000/60
        // if frame finishes early
        if ((frameEndTime - frameStartTime) < (1000/60)) {
            SDL_Delay((1000 / 60) - (frameEndTime - frameStartTime));
        }
    }
    
    delete sprite;
    delete input;
    delete general;

    gfx->close();
    
    delete gfx;

    return 0; // return success!
}
开发者ID:KiaraSimlick,项目名称:Game,代码行数:65,代码来源:main.cpp


注:本文中的Gfx::clearScreen方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。