In the chaotic environment of a competitive arena battler, units seem to run wildly toward whatever is closest to them.
This article will dissect the mathematics of sightlines, retargeting, and unit hitboxes to help you manipulate the AI flawlessly.
The Concept of Sight Range
When a unit is deployed or finishes destroying a target, it scans its specific sight range for the closest valid enemy.
As long as you place a building just barely inside the tank's sight range, the tank will alter its path and walk toward your building.
Count the squares to ensure perfect placement.You must use a stun spell (like Zap) to force it to rescan.Flying units often have different pathing rules.
The Geometry of Defense
One of the most complex aspects of aggro management involves understanding the physical size, or 'hitbox', of different units.
For example, if an enemy Miner is locked onto your tower, you can deploy a large tank directly on top of him.
Character ClassAI PatternSiege TargetersCompletely ignore all enemy troops, making them incredibly easy to kite across the entire map with cheap structuresMelee AssassinsOften have dash abilities that lock onto targets from far away; must be intercepted before the dash animation begins
Mastering the Grid
You must spend hours in friendly battles practicing these specific interactions until they become pure muscle memory.
Control the aggro, control the arena.
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