Trajectories raytraces wrong

[leijurv]

In this screenshot, the arrow will hit the cactus immediately:

In this screenshot, the arrow will go up and over it, missing it:

But in this screenshot, the arrow will go up and over it, not hitting it, and land behind the cactus. The end point of the trajectory is incorrectly rendered in midair, at the point where the trajectory would fall behind that block. There's nothing special about that location, it's just where the player would lose sight of the arrow.

This is because it raytraces from the player to the arrow. Perhaps it should instead raytrace from the previous arrow position to the next one?