void Start()
{
Camera camera = this.GetComponent <Camera>();
float length = clip.length;
float fps = 5.0f;
float sampleTimeOffset = 1.0f / fps;
clip.SampleAnimation(this.gameObject, 0);
float aspectRatio = (float)width / (float)height;
Matrix4x4 intrinsics = Matrix4x4.identity;
intrinsics.m00 = (width * 0.5f) / Mathf.Tan(camera.fieldOfView * 0.5f * Mathf.Deg2Rad);
intrinsics.m02 = width * 0.5f;
intrinsics.m11 = (height * 0.5f) / Mathf.Tan(camera.fieldOfView * 0.5f * Mathf.Deg2Rad);
intrinsics.m12 = height * 0.5f;
Matrix4x4 ndcIntrinsics = toNDC(intrinsics, width, height, camera.nearClipPlane, camera.farClipPlane);
camera.projectionMatrix = ndcIntrinsics;
SampleFrame frame = new SampleFrame();
frame.CameraToWorld = camera.transform.localToWorldMatrix;
frame.Intrinsics = intrinsics;
frame.Image = createRT(width, height, RenderTextureFormat.ARGBFloat);
camera.targetTexture = frame.Image;
camera.Render();
keyframe = new Keyframe();
keyframe.Initialize(frame, depth, initCostShader, regularizeShader);
int numExecuted = 0;
for (float t = sampleTimeOffset; t < length; t += sampleTimeOffset)
{
numExecuted++;
clip.SampleAnimation(this.gameObject, t);
SampleFrame newFrame = new SampleFrame();
newFrame.CameraToWorld = camera.transform.localToWorldMatrix;
newFrame.Intrinsics = intrinsics;
newFrame.Image = createRT(width, height, RenderTextureFormat.ARGBFloat);
camera.targetTexture = newFrame.Image;
camera.Render();
keyframe.UpdateCostVolume(newFrame, updateCostShader, updateCostMinMaxShader);
}
keyframe.ComputeNaiveDepth(naiveDepthShader);
clip.SampleAnimation(this.gameObject, 0);
inverseDepthGT = createRT(width, height, RenderTextureFormat.ARGBFloat);
camera.targetTexture = inverseDepthGT;
camera.RenderWithShader(Shader.Find("Custom/InverseDepth"), string.Empty);
camera.targetTexture = null;
keyframe.SolveDepthMap(initSolverShader, updateQShader, updateDShader, updateAShader, regularizeShader, projectQShader, settings);
}