与 UnsafeUtility.MemCpy 类似,但可以通过 desinationStride 和 sourceStride 跳过字节。
// Functional equivalent to this (But with various optimizations)
for (int i = 0; i != count; i++)
{
    UnsafeUtility.MemCpy(destination, source, elementSize);
    destination += destinationStride;
    source += sourceStride;
}