Echo‐Sense

Echo Sense

How It Works

Press V to emit a sonar pulse from your position. The pulse expands outward (up to 24 blocks) and paints every visible block face with colored points.

Point Colors

Each point takes the color of the texture pixel it lands on:

• Stone → gray speckles
• Dirt → brown patches
• Grass top → green (white in snowy biomes — that's the texture!)
• Leaves → sparse green sparks (transparent pixels are skipped)
• Ores → their gem colors
• Sculk → teal

Interference by Stage

Stage	Max Points	Noise	False Signals	Phantoms	Delayed Echo
0	40	80%	50%	25%	60%
1	200	40%	25%	12%	35%
2	500	20%	10%	6%	18%
3	900	10%	4%	2%	6%
4	1600	3%	1%	0.5%	1%

• Noise — points jitter randomly
• False signals — white dots appear in empty air
• Phantoms — ghost points near real walls
• Delayed echo — some points appear late
• Ghost box — a phantom mob silhouette appears briefly
• Mover — a running false dot tricks you

Echo Shot

A directed burst that reveals caves and mobs through walls. Cooldown: 2 seconds. Visible as expanding teal rings even through the infection fog.

Mob Silhouettes (Stage 3+)

Living entities within pulse range appear as point-cloud outlines:

• Red (0xFF4545) — monsters and infected mobs
• Green (0x45FF7A) — passive animals