cxBool cxViewContainsGLBox(cxAny pview)
{
cxEngine engine = cxEngineInstance();
cxRect4f vr = cxViewGLRect(pview);
cxRect4f gr = cxRect4fv(0, 0, engine->winsize.w, engine->winsize.h);
return cxRect4fContainsRect4f(gr,vr);
}
cxRect4f cxBoxTex2fToRect4f(cxBoxTex2f box)
{
cxFloat x = box.lt.u;
cxFloat y = box.lt.v;
cxFloat w = box.rt.u - box.lt.u;
cxFloat h = box.rb.v - box.rt.v;
return cxRect4fv(x, y, w, h);
}
cxRect4f cxViewGLRect(cxAny pview)
{
cxView this = pview;
cxFloat wh = this->size.w/2.0f;
cxFloat hh = this->size.h/2.0f;
cxVec2f p1 = cxVec2fv(-wh, -hh);
cxVec2f p2 = cxVec2fv(wh, hh);
p1 = cxViewPointToGLPoint(pview, p1);
p2 = cxViewPointToGLPoint(pview, p2);
return cxRect4fv(p1.x, p1.y, p2.x - p1.x, p2.y - p1.y);
}
