public H(H0 H0, W W)
{
this.H0 = H0;
this.W = W;
N = H0.N;
this._h = new float[2 * N * N];
_Jump(0f);
}
private void _Jump(float t)
{
_t = t;
for (var y = 0; y < N; y++)
{
for (var x = 0; x < N; x++)
{
var theta = W[x, y] * t;
var c = Mathf.Cos(theta);
var s = Mathf.Sin(theta);
var hp = H0[x, y];
var hm = H0.ConjMinusK(x, y);
var i = 2 * (x + y * N);
_h[i] = (hp.x + hm.x) * c + (hm.y - hp.y) * s;
_h[i + 1] = (hp.y + hm.y) * c + (hp.x - hm.x) * s;
}
}
}
void Start()
{
Random.seed = randomSeed;
targetCam.depthTextureMode |= DepthTextureMode.Depth;
if (view == null)
{
view = targetCam.transform;
}
var winSize = new Vector2(300f, 100f);
_guiWindow = new Rect(Screen.width - winSize.x, Screen.height - winSize.y, winSize.x, winSize.y);
_fft = new FFT(fft);
var k = new K(N, oceanSize);
var phillips = new Phillips(k, windVelocity.magnitude, windVelocity.normalized);
_h0 = new H0(phillips);
_w = new W(k);
_nGroups = N / OceanConst.NTHREADS_IN_GROUP;
var h0BufData = new Vector4[N * N];
var wBufData = new Vector4[N * N];
for (var y = 0; y < N; y++)
{
for (var x = 0; x < N; x++)
{
var i = x + y * N;
var hp = _h0[x, y];
var hm = _h0.ConjMinusK(x, y);
h0BufData[i] = new Vector4(hp.x, hp.y, hm.x, hm.y);
wBufData[i] = new Vector4(_w[x, y], 0f, 0f, 0f);
}
}
_h0Buf = new ComputeBuffer(h0BufData.Length, Marshal.SizeOf(h0BufData[0]));
_wBuf = new ComputeBuffer(wBufData.Length, Marshal.SizeOf(wBufData[0]));
_h0Buf.SetData(h0BufData);
_wBuf.SetData(wBufData);
_h0Tex = new RenderTexture(N, N, 0, RenderTextureFormat.ARGBFloat);
_wTex = new RenderTexture(N, N, 0, RenderTextureFormat.ARGBFloat);
_hTex = new RenderTexture(N, N, 0, RenderTextureFormat.RGFloat);
_nTex = new RenderTexture(N, N, 0, RenderTextureFormat.ARGBFloat);
_h0Tex.filterMode = _wTex.filterMode = _hTex.filterMode = _nTex.filterMode = FilterMode.Bilinear;
_h0Tex.wrapMode = _wTex.wrapMode = _hTex.wrapMode = _nTex.wrapMode = TextureWrapMode.Repeat;
_h0Tex.enableRandomWrite = _wTex.enableRandomWrite = _hTex.enableRandomWrite = _nTex.enableRandomWrite = true;
_h0Tex.Create();
_wTex.Create();
_hTex.Create();
_nTex.Create();
ocean.SetInt(OceanConst.SHADER_N, N);
ocean.SetBuffer(OceanConst.KERNEL_BUF2TEX, OceanConst.SHADER_COPY_BUF_IN, _h0Buf);
ocean.SetTexture(OceanConst.KERNEL_BUF2TEX, OceanConst.SHADER_COPY_TEX_OUT, _h0Tex);
_h0Tex.DiscardContents();
ocean.Dispatch(OceanConst.KERNEL_BUF2TEX, _nGroups, _nGroups, 1);
ocean.SetBuffer(OceanConst.KERNEL_BUF2TEX, OceanConst.SHADER_COPY_BUF_IN, _wBuf);
ocean.SetTexture(OceanConst.KERNEL_BUF2TEX, OceanConst.SHADER_COPY_TEX_OUT, _wTex);
_wTex.DiscardContents();
ocean.Dispatch(OceanConst.KERNEL_BUF2TEX, _nGroups, _nGroups, 1);
_renderers = GetComponentsInChildren <Renderer> ();
_block = new MaterialPropertyBlock();
}
