Fire

Standard Elements · Volume 2

An orange flame-shaped voxel column rises from the leading contact flash and leaves embers.

Use: Primary fire attack contacts.

Top: Original · Fine / smooth. Bottom: Chunky / step 3 · Bold / step 6. Matched preset framing at 60 FPS; select Play to compare.

Niagara asset

• Asset: NS_VX_Hit_Fire
• Shipped path: /Game/VoxelHitPack_Vol02/Systems/VoxelHits/NS_VX_Hit_Fire
• Presentation: Original system with three additional parameter presets.

Supported parameters

Values below are extracted from the shipped system. Colors use linear RGBA; vector components are shown explicitly. Restart after editing, particularly counts and seed values.

Parameter	Type	Shipped default	Hard limits	Behavior and dependencies
User.AnimationFrameStep	Int	1	1–12	1 = smooth. 2-12 = hold each pose for N reference frames at 60 Hz. 3 = 20 poses/sec; 6 = 10. Lifetime is unchanged.
User.BurstCount	Int	22	≥ 0	Number of outward shards per hit.
User.BurstRotationVariation	Float	25	0–180	Maximum random yaw of the particle burst, degrees. Enabled when User.Randomize = true.
User.Color	Linear RGBA	{“r”:1,“g”:0.035,“b”:0.002,“a”:1}	No exposed bound	Primary fire color (outer flame).
User.DustCount	Int	25	≥ 0	Number of small glowing ember dots that float upward.
User.FlameCount	Int	200	≥ 0	Number of flame voxels; nonnegative whole number. Restart after editing.
User.FlameDuration	Float	0.8	No exposed bound	Flame lifetime in seconds (minimum 0.05). Restart after editing. Requires FlameCount > 0.
User.FlameExpansion	Float	0.25	No exposed bound	Outward expansion during the burst; 0 gives a compact flame. Requires FlameCount > 0.
User.FlameGridSize	Float	3	≥ 0	Local voxel position grid in cm; 0 disables snapping. Requires FlameCount > 0.
User.FlameHeight	Float	120	No exposed bound	Flame tongue height in cm before the Size multiplier. Requires FlameCount > 0.
User.FlameRadius	Float	48	≥ 0	Flame body radius in cm before the Size multiplier. Requires FlameCount > 0.
User.FlameTurbulence	Float	0.35	No exposed bound	Sideways curl strength; 0 gives a steady flame silhouette. Requires FlameCount > 0.
User.FlameVoxelSize	Float	15	≥ 0	Width of each flame voxel in cm before Size; increase for chunkier fire. Requires FlameCount > 0.
User.Gravity	Float	1	No exposed bound	Gravity multiplier for the main sparks.
User.Intensity	Float	1.1	≥ 0.0	Emissive brightness multiplier.
User.MoteCount	Int	45	≥ 0	Number of little voxels that float up and dissolve.
User.MoteDriftX	Float	0	No exposed bound	Sideways drift speed of floating voxels along X. Requires MoteCount > 0.
User.MoteDriftY	Float	0	No exposed bound	Sideways drift speed of floating voxels along Y. Requires MoteCount > 0.
User.MoteGridSize	Float	4	≥ 0	Snaps floating voxel positions to a world grid of this size in units (e.g. 4 = voxel-grid jumps). 0 = no snapping. Requires MoteCount > 0.
User.MoteLifetime	Float	1	No exposed bound	Lifetime multiplier of the floating voxels. Requires MoteCount > 0.
User.MoteRise	Float	150	No exposed bound	Upward acceleration of floating voxels (negative = sink). Requires MoteCount > 0.
User.MoteStepRate	Float	8	No exposed bound	Choppy/stop-motion movement of the floating voxels: position updates per second (e.g. 8 = mechanical steps). 0 = smooth. Requires MoteCount > 0.
User.RandomizationStrength	Float	1	0–1	Master variation strength, clamped 0..1; 0 preserves authored appearance. Enabled when User.Randomize = true.
User.Randomize	Bool	true	No exposed bound	Enable extra voxel variation. Restart after changing seed or toggle.
User.RandomSeed	Int	0	No exposed bound	0 chooses a fresh variation each activation; nonzero repeats a chosen variation. Restart after editing.
User.SecondaryColor	Linear RGBA	{“r”:1,“g”:0.4,“b”:0.035,“a”:1}	No exposed bound	Hot inner flame color.
User.ShardGravity	Float	0.15	No exposed bound	Gravity multiplier for shards and accent bits.
User.Size	Float	1	≥ 0.0	Uniform size multiplier for all sprites.
User.SparkCount	Int	40	≥ 0	Number of main sparks spawned per hit.
User.Speed	Float	1	No exposed bound	Multiplier for the initial velocity of sparks and embers.
User.SpreadVariation	Float	0.18	0–0.9	Maximum fractional variation in particle distance from the origin. Enabled when User.Randomize = true.
User.VoxelSizeVariation	Float	0.3	0–0.9	Maximum fractional size variation, clamped 0..0.9. Enabled when User.Randomize = true.

No exposed bound means no bound was recorded in the asset metadata; it is not a recommended operating range. Begin with the shipped values. See units and editing, stepping, and layer lifetime caps.

Exact demo overrides

These are four instances of this system. Unlisted controls inherit their asset defaults. All three additional presets are parameter variations, not additional system assets.

Parameter	Original	Fine / smooth	Chunky / step 3	Bold / step 6
RandomSeed	41	41	41	41
AnimationFrameStep	1	1	3	6
Size	1	0.65	1.6	1.15
Speed	Inherited	1.1	0.8	1.3
Intensity	Inherited	0.935	1.1	1.232

Related effects

• Arcane
• Blood
• Dark
• Earth

Back to catalog · Spawn in Blueprint · Orientation · Randomization