cxBox4f cxViewBox(cxAny pview)
{
cxView this = pview;
cxFloat wh = this->size.w/2.0f;
cxFloat hh = this->size.h/2.0f;
return cxBox4fv(-wh, wh, hh, -hh);
}
void cxEngineLayout(cxInt width,cxInt height)
{
CX_LOGGER("openGL layout width=%d height=%d",width,height);
cxEngine engine = cxEngineInstance();
engine->winsize = cxSize2fv(width, height);
cxViewSetSize(engine->window, engine->winsize);
if(!cxSize2Zero(engine->dessize)){
engine->scale = cxVec2fv(engine->winsize.w/engine->dessize.w, engine->winsize.h/engine->dessize.h);
}
//
if(!engine->isInit){
cxOpenGLCheckFeature();
cxEngineMain(engine);
}
//
cxFloat zeye = engine->winsize.h / 1.1566f;
kmMat4 perspective={0};
kmGLMatrixMode(KM_GL_PROJECTION);
kmGLLoadIdentity();
//
kmMat4PerspectiveProjection(&perspective, 60.0f, engine->winsize.w / engine->winsize.h, 0.0f, zeye * 2);
kmGLMultMatrix(&perspective);
kmGLMatrixMode(KM_GL_MODELVIEW);
kmGLLoadIdentity();
//
cxOpenGLViewport(cxBox4fv(0, engine->winsize.w, 0, engine->winsize.h));
//
cxMatrix4f matrix;
cxEngineLookAt(&matrix,cxVec2fv(0, 0));
kmGLMultMatrix(&matrix);
//
engine->lastTime = cxTimestamp();
if(!engine->isInit){
cxViewEnter(engine->window);
}
cxViewLayout(engine->window);
engine->isInit = true;
}
