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// Game state module for managing game objects and logic
import { inputState } from './input.js';
import { getPlayerState } from './physics.js';
// Game objects
const planets = [];
const enemyShips = [];
const projectiles = [];
let lastEnemySpawn = 0;
// Space dimensions
const SPACE_SIZE = 10000; // Increased from implicit 2000
const PLANET_DISTANCE = 5000; // Increased from 1000
const ENEMY_SPAWN_DISTANCE = 3000; // Increased from 500
const ENEMY_SPAWN_INTERVAL = 5000; // 5 seconds
const MAX_ENEMIES = 5;
// Initialize game state
export function initGameState() {
// Create planets
planets.push({
position: { x: PLANET_DISTANCE, y: 0, z: 0 },
radius: 500, // Increased from 200
color: '#3498db'
});
planets.push({
position: { x: -PLANET_DISTANCE, y: PLANET_DISTANCE/2, z: -PLANET_DISTANCE },
radius: 400, // Increased from 150
color: '#e74c3c'
});
// Reset other state
enemyShips.length = 0;
projectiles.length = 0;
lastEnemySpawn = Date.now();
// Create initial enemy ships
for (let i = 0; i < 5; i++) {
createEnemyShip();
}
}
// Create a new enemy ship
function createEnemyShip() {
const distance = ENEMY_SPAWN_DISTANCE + Math.random() * ENEMY_SPAWN_DISTANCE;
const angle = Math.random() * Math.PI * 2;
const height = (Math.random() - 0.5) * ENEMY_SPAWN_DISTANCE;
enemyShips.push({
position: {
x: Math.cos(angle) * distance,
y: height,
z: Math.sin(angle) * distance
},
velocity: {
x: (Math.random() - 0.5) * 0.5, // Reduced from 2
y: (Math.random() - 0.5) * 0.5, // Reduced from 2
z: (Math.random() - 0.5) * 0.5 // Reduced from 2
},
health: 100
});
}
// Update game state
export function updateGameState(deltaTime) {
const currentTime = Date.now();
const player = getPlayerState();
// Spawn enemies
if (currentTime - lastEnemySpawn > ENEMY_SPAWN_INTERVAL &&
enemyShips.length < MAX_ENEMIES) {
spawnEnemy();
lastEnemySpawn = currentTime;
}
// Update projectiles
projectiles.forEach((projectile, index) => {
projectile.position.x += projectile.velocity.x * deltaTime;
projectile.position.y += projectile.velocity.y * deltaTime;
projectile.position.z += projectile.velocity.z * deltaTime;
// Remove if too old
if (currentTime - projectile.createdAt > 5000) {
projectiles.splice(index, 1);
}
});
// Update enemy ships
enemyShips.forEach((ship, index) => {
// Move ships
ship.position.x += ship.velocity.x * deltaTime;
ship.position.y += ship.velocity.y * deltaTime;
ship.position.z += ship.velocity.z * deltaTime;
// Check if ship is too far away
const distance = Math.sqrt(
Math.pow(ship.position.x - player.position.x, 2) +
Math.pow(ship.position.y - player.position.y, 2) +
Math.pow(ship.position.z - player.position.z, 2)
);
if (distance > SPACE_SIZE) {
enemyShips.splice(index, 1);
createEnemyShip();
}
});
// Handle firing
if (inputState.firePrimary) {
createProjectile('primary');
}
if (inputState.fireSecondary) {
createProjectile('secondary');
}
}
// Create a new projectile
export function createProjectile(type) {
const player = getPlayerState();
const speed = type === 'primary' ? 10 : 7.5; // Reduced from 20/15
const damage = type === 'primary' ? 25 : 10;
const cosY = Math.cos(player.rotation.y);
const sinY = Math.sin(player.rotation.y);
const cosX = Math.cos(player.rotation.x);
const sinX = Math.sin(player.rotation.x);
projectiles.push({
type,
position: { ...player.position },
velocity: {
x: sinY * cosX * speed,
y: sinX * speed,
z: cosY * cosX * speed
},
damage,
createdAt: Date.now()
});
}
// Spawn a new enemy ship
function spawnEnemy() {
const angle = Math.random() * Math.PI * 2;
const distance = ENEMY_SPAWN_DISTANCE;
enemyShips.push({
position: {
x: Math.cos(angle) * distance,
y: 0,
z: Math.sin(angle) * distance
},
velocity: {
x: (Math.random() - 0.5) * 0.5,
y: (Math.random() - 0.5) * 0.5,
z: (Math.random() - 0.5) * 0.5
},
health: 100
});
}
// Get game state for rendering
export function getGameState() {
return {
planets: [...planets],
enemyShips: [...enemyShips],
projectiles: [...projectiles]
};
}
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