public void UpdateDepthTexture(DepthFrame depthFrame)
{
if (depthFrame == null)
{
return;
}
// 拷贝深度流数据
if (_depthFrameData == null || _depthFrameData.Length != depthFrame.Width * depthFrame.Height)
{
_depthFrameData = new short[depthFrame.Width * depthFrame.Height];
}
depthFrame.CopyData(ref _depthFrameData);
// 深度纹理
if (_depthTexture == null)
{
_depthTexture = new Texture2D(depthFrame.Width, depthFrame.Height, TextureFormat.RGB24, false);
}
else if (_depthTexture.width != depthFrame.Width || _depthTexture.height != depthFrame.Height)
{
_depthTexture.Resize(depthFrame.Width, depthFrame.Height, TextureFormat.RGB24, false);
}
if (_depthTextureBuffer == null || _depthTextureBuffer.Length != depthFrame.Width * depthFrame.Height * 3)
{
_depthTextureBuffer = new byte[depthFrame.Width * depthFrame.Height * 3];
}
int length = _depthFrameData.Length;
for (int i = 0; i < length; i++)
{
short depth = _depthFrameData[i];
byte depthByte = (byte)0;
if (depth != 0)
{
depthByte = (byte)(255 - (255 * depth / 10000.0f));
}
_depthTextureBuffer[i * 3 + 0] = depthByte;
_depthTextureBuffer[i * 3 + 1] = depthByte;
_depthTextureBuffer[i * 3 + 2] = depthByte;
}
if (_depthTextureBuffer != null && _depthTextureBuffer.Length > 0)
{
_depthTexture.LoadRawTextureData(_depthTextureBuffer);
_depthTexture.Apply(false);
}
}
