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game: reuse bounce behaviour for fidget

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He4eT 2025-06-14 06:44:20 +02:00
commit 2a921c439e
1 changed files with 8 additions and 32 deletions
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40
game.js
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@ -132,41 +132,17 @@ const enemyBlueprints = {
dangerZone: 8,
value: 3,
behaviour: (enemy) => {
const minSpeed = 0.4
const speed = Math.max(minSpeed, enemy.speed)
const current = enemy.positions[0]
const previous = enemy.positions[1] || current
let d = getDirection(previous, current)
if (Math.random() < 0.05 || (d.x === 0 && d.y === 0)) {
if (Math.random() < 0.05) {
const angle = Math.random() * 2 * Math.PI
d = {
x: Math.cos(angle),
y: Math.sin(angle),
const current = enemy.positions[0]
const randomPrevious = {
x: current.x - Math.cos(angle),
y: current.y - Math.sin(angle),
}
enemy.positions[1] = randomPrevious
}
let dx = d.x * speed
let dy = d.y * speed
let newX = current.x + dx
let newY = current.y + dy
if (newX < arena.bounds.left || newX > arena.bounds.right) {
dx = -dx
newX = current.x + dx
}
if (newY < arena.bounds.top || newY > arena.bounds.bottom) {
dy = -dy
newY = current.y + dy
}
enemy.positions = [
{ x: newX, y: newY },
{ x: current.x, y: current.y },
]
enemyBlueprints.bounce.behaviour(enemy)
},
},
bounce: {
@ -176,7 +152,7 @@ const enemyBlueprints = {
dangerZone: 8,
value: 5,
behaviour: (enemy) => {
const minSpeed = 0.7
const minSpeed = 0.6
const speed = Math.max(minSpeed, enemy.speed)
const current = enemy.positions[0]
const previous = enemy.positions[1]