I was playing around with entity summoning today when I discovered that WitherSkulls and SmallFireballs can now be /summoned into the world. Like /summoned Ghast Fireballs, their movement quickly decreased in the air but they would explode upon impact if moving fast enough. Unlike Ghast Fireballs, though, they would only render about once each second, so the movement appeared choppy.
To reproduce:
1) Go into creative world
2) Fly up a bit and face the -x direction
3) Run: /summon WitherSkull ~-8 ~ ~ {direction:[0.4,,]}
EDIT: After some testing I found that the movement of these projectiles is related to the "power" tag somehow. Setting "power" to just the right values will make the projectile move smoothly. Why is this necessary if it's not necessary for big Fireballs?
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Looks like this issue and MC-80807 are actually the same issue. Since Searge indicated he's not going to make summoning SmallFireballs and WitherSkulls any more straightforward, you might as well close this issue.
But since I'm still confused on the relationship between the direction and power tags, could anyone provide a command example of how to summon one of these entities with normal movement?
Still in 15w44b. The skulls seem to spawn with a "power" tag of [0,0,0] and will move oddly unless the "power" tag is just right. Also, WitherSkulls have a "life" tag which doesn't seem to affect anything, any ideas?