private void UpdateRenderer(FrustumFitter frustum, Camera cam, Vector2 tiling, Vector2 offset, Renderer rdr)
{
var uvs = new List <Vector2>()
{
offset + tiling * new Vector2(0, 0),
offset + tiling * new Vector2(1, 0),
offset + tiling * new Vector2(1, 1),
offset + tiling * new Vector2(0, 1),
};
var src = new List <Point2 <float> >();
foreach (var uv in uvs)
{
src.Add(new Point2 <float>(uv.x, uv.y));
}
var dst = new List <Point2 <float> >();
foreach (var c in frustum.corners)
{
var p = cam.WorldToViewportPoint(c, Camera.MonoOrStereoscopicEye.Mono);
dst.Add(new Point2 <float>(p.x, p.y));
}
var h**o = SingleHomographyHelper.FindHomography(src, dst);
var matrix = Matrix4x4.identity;
const int DIM = 3;
for (int i = 0; i < h**o.Elements.Count; ++i)
{
int row = i / DIM;
int col = i % DIM;
matrix[row, col] = h**o.Elements[i];
}
var prop = new MaterialPropertyBlock();
prop.SetMatrix(PROP_HOMOGRAPHY, matrix);
prop.SetVector(PROP_TILING, tiling);
prop.SetVector(PROP_OFFSET, offset);
prop.SetTexture(PROP_MAIN_TEXTURE, (source == SoureType.DEMO) ? demoTexture : spoutTexture);
rdr.SetPropertyBlock(prop);
}
public static HomographyMatrix <float> FindHomography(IReadOnlyList <Point2 <float> > srcPoints, IReadOnlyList <Point2 <float> > dstPoints) => SingleHomographyHelper.FindHomography(srcPoints, dstPoints);