void Update()
{
if (!isStart)
{
return;
}
if (plane != null)
{
int cropleft, cropright, croptop, cropbottom, width, height;
video.GetVideoCropValues(out cropleft, out cropright, out croptop, out cropbottom, out width, out height);
float scalex = 1.0f;
float scaley = 1.0f;
float offx = 0.0f;
float offy = 0.0f;
if ((width > 0) && (height > 0))
{
int fullwidth = width + cropleft + cropright;
scalex = (float)width / (float)fullwidth;
offx = (float)cropleft / (float)fullwidth;
int fullheight = height + croptop + cropbottom;
scaley = (float)height / (float)fullheight;
offy = (float)croptop / (float)fullheight;
}
plane.material.SetVector("_MainTex_ST", new Vector4(scalex, scaley * -1, offx, 1 - offy)); // typically we want to invert the Y on the video because thats how planes UV's are layed out
}
}