silphius/resources/tomato-plant/interact.js

import delta from '@/util/delta.js';
import lfo from '@/util/lfo.js';
import * as Math from '@/util/math.js';
import Ticker from '@/util/ticker.js';

export default function*({ecs, subject}) {
  const {Interactive, Position, Plant, Sprite} = subject;
  Interactive.interacting = false;

  const specs = [];
  const json = ecs.readJson('/resources/tomato/tomato.entity.json');
  for (let i = 0; i < 10; ++i) {
    specs.push({
      ...json,
      Position: {x: Position.x, y: Position.y},
    });
  }
  const tomatoes = Array.from(ecs.createMany(specs)).map((entityId) => ecs.get(entityId));

  // const tickers = [];
  for (const tomato of tomatoes) {
    const {x, y} = Math.normalizeVector({
      x: (Math.random() * 2) - 1,
      y: (Math.random() * 2) - 1,
    });
    const d = delta(
      tomato.Position,
      {
        y: {
          duration: 0.5,
          delta: 0,
        },
      },
    )
    tomato.Ticking.add(
      Ticker.all([
        d.ticker,
        lfo(
          d.deltas.y,
          {
            delta: {
              count: 1,
              frequency: 0.5,
              magnitude: 64,
              median: 0,
              offset: -0.5,
            },
          },
        ).ticker,
        lfo(
          tomato.Sprite,
          {
            scaleX: {
              count: 1,
              frequency: 0.5,
              magnitude: 0.333,
              median: 0.333,
              elapsed: 0.25,
              offset: -0.5,
            },
            scaleY: {
              count: 1,
              frequency: 0.5,
              magnitude: 0.333,
              median: 0.333,
              elapsed: 0.25,
              offset: -0.5,
            },
          },
        ).ticker,
        delta(
          tomato.Position,
          {
            x: {
              duration: 0.5,
              delta: (12 * x) + Math.random() * 8,
            },
          },
        ).ticker,
        delta(
          tomato.Position,
          {
            y: {
              duration: 0.5,
              delta: (12 * y) + Math.random() * 8,
            },
          },
        ).ticker,
      ]),
    );
  }

  Plant.stage = 4;
  Sprite.animation = ['stage', Plant.stage].join('/')

}