silphius/resources/brush/start.js

const {Collider, Controlled, Interacts, Inventory, Sound, Sprite} = wielder
const entities = Collider.closest(Interacts.aabb());
for (const entity of entities) {
  const {Emitter, Position, Tags} = entity;
  if (Tags && Tags.has('kittan')) {
    Controlled.locked = 1
    const [, direction] = Sprite.animation.split(':')
    for (let i = 0; i < 2; ++i) {
      Sound.play('/resources/brush/brush.wav');
      Sprite.animation = ['moving', direction].join(':');
      await wait(0.3)
      Sprite.animation = ['idle', direction].join(':');
      await wait(0.1)
    }
    Inventory.give({
      qty: 1,
      source: '/resources/furball/furball.json',
    });
    Controlled.locked = 0;

    const heartParticles = {
      behaviors: [
        {
          type: 'moveAcceleration',
          config: {
            accel: {
              x: 0,
              y: -100,
            },
            minStart: 0,
            maxStart: 0,
            rotate: false,
          }
        },
        {
          type: 'moveSpeed',
          config: {
            speed: {
              list: [
                {
                  time: 0,
                  value: 30
                },
                {
                  time: 1,
                  value: 0
                }
              ]
            }
          }
        },
        {
          type: 'scale',
          config: {
            scale: {
              list: [
                {
                  value: 0.5,
                  time: 0,
                },
                {
                  value: 0.125,
                  time: 1,
                },
              ]
            }
          }
        },
        {
          type: 'textureSingle',
          config: {
            texture: '/resources/heart/heart.png',
          }
        },
      ],
      lifetime: {
        min: 0.5,
        max: 0.5,
      },
      frequency: 0.1,
      emitterLifetime: 0.25,
      pos: {
        x: 0,
        y: 0
      },
      rotation: 180,
    };


    Emitter.emit({
      ...heartParticles,
      behaviors: [
        ...heartParticles.behaviors,
        {
          type: 'spawnShape',
          config: {
            type: 'rect',
            data: {
              x: Position.x - 8,
              y: Position.y,
              w: 16,
              h: 1,
            }
          }
        }
      ]
    })
    break;
  }
}