Как сделать грамотное столкновение объектов?

Question

[Triborg-333]

Игра

https://codepen.io/CrystaZZ/pen/jONKZBd

Answer 1

[hzzzzl]

for (var i = 0; i < this.food.length; i++) {
  const {x: x1, y: y1} = this.position
  const r1 = this.cell_radius
  const {x: x2, y: y2} = this.food[i]
  const r2 = this.food_size

  const distance = Math.sqrt( (x1 - x2)*(x1 - x2) + (y1 - y2)*(y1 - y2) )
  const intersects = distance <= r1 + r2

  if(intersects) {
    console.log('I EAT', this.food[i])
  }
}

Answer 2

[0xD34F]

const { position, cell_radius, food_size, food } = this;
const isIntersects = (a, b) =>
  (a.x - b.x) ** 2 + (a.y - b.y) ** 2 <= (cell_radius + food_size) ** 2;

food.reduceRight((_, n, i, a) => isIntersects(n, position) && a.splice(i, 1), null);

// или

food.splice(0, food.length, ...food.filter(n => !isIntersects(n, position)));

// или

food.length -= food.reduce((acc, n, i, a) => (
  a[i - acc] = n,
  acc + isIntersects(n, position)
), 0);

Comments

[Triborg-333]

Спасибо тебе большое =) Здоровья тебе !