Should I play a good portion of the story out in my head before I start to write?

Story & Character Development
:) asked:


I’ve been planning on writing a story for a little while now, I’ve gotten to know my characters and I’ve got the basic idea of what’s going to happen. I think I’ve figured out how I want to start the story, but would it be better for me to wait a while and see what happens in my head before I actually start to write?