followAi

How to use

requiresight()agent()

parameters

Parameter	Default Value	Type	Description
retreat		boolean	true
tragetMemory		boolean	true
stopDistance		number	10

example

followAi({
  retreat: true,
  tragetMemory: true,
  stopDistance: 10
}),

Source

component.js

function followAi(p) {
  const param = {
    retreat: true,
    tragetMemory: true,
    stopDistance: 10,
    ...p,
  };
  return {
    require: ['sight', 'agent'],
    id: 'follow',
    retreatTarget: null,
    memorizedTarget: null,
    add() {
      requestAnimationFrame(() => (this.retreatTarget = vec2(this.pos)));
      if (param.retreat)
        this.onTargetReached(() => this.setTarget(this.retreatTarget));
    },
    update() {
      if (this.currentTarget) {
        this.setTarget(this.currentTarget.pos);
        this.memorizedTarget = this.currentTarget.pos;
      } else if (param.tragetMemory && this.memorizedTarget) {
        this.setTarget(this.memorizedTarget);
        if (this.pos.dist(this.memorizedTarget) < param.stopDistance)
          this.memorizedTarget = null;
      } else if (param.retreat) this.setTarget(this.retreatTarget);
    },
  };
}