public void SetMaterial(Material m)
{
// 这里如果内存释放不当非常容易引发内存泄漏！
using (var dataStream = DataStream.Create(NoireUtilities.StructureToBytes(m), false, false)) {
_mat.SetRawValue(dataStream, Material.Stride);
}
}
public void SetPointLights(PointLight[] lights)
{
Debug.Assert(lights.Length <= MaxLights, "BasicEffect only supports up to 3 lights");
for (var i = 0; i < lights.Length && i < MaxLights; i++)
{
var light = lights[i];
var d = NoireUtilities.StructureToBytes(light);
Array.Copy(d, 0, _dirLightsArray, i * DirectionalLight.Stride, DirectionalLight.Stride);
}
// 这里如果内存释放不当非常容易引发内存泄漏！
using (var dataStream = DataStream.Create(_dirLightsArray, false, false)) {
_dirLights.SetRawValue(dataStream, _dirLightsArray.Length);
}
}