Modifyprojectile

Description

Modifies the projectile, missile, or orbital that activated the mechanic.

Attributes

Attribute Aliases Description Default
trait t The trait to modify:
INERTIA, POWER, VELOCITY, RADIUS and YOFFSET
VELOCITY
action a The action to perform for modifying the projectile trait:
ADD, SET, MULTIPLY
MULTIPLY
value v The value to use for the modification 0

Trait Attribute

The possible values are:

Examples

In this example when you shoot the projectile you will watch it slow down gradually to a halt. To test this you can cast it using the in game command below after adding it to a skills.yml file.

/mm test cast TestingModifyProjectile

TestingModifyProjectile:
  Skills:
  - projectile{oT=TMP_oT;i=1;v=8;d=200;mr=100} @forward{f=100;y=0}
TMP_oT:
  Skills:
  - particles{particle=flame;a=2;hs=0;vs=0;s=0;y=0} @origin
  - modifyProjectile{trait=VELOCITY;action=MULTIPLY;value=0.95}
Updated Aug 19, 2026