// Game constants
const CHUNK_SIZE = 200;
const PIXEL_SIZE = 4;
const GRAVITY = 0.5;
const WATER_SPREAD = 3;

// Colors
const SAND_COLOR = '#e6c588';
const WATER_COLOR = '#4a80f5';
const WALL_COLOR = '#888888';
const DIRT_COLOR = '#8B4513';
const STONE_COLOR = '#A9A9A9';
const GRASS_COLOR = '#7CFC00';
const WOOD_COLOR = '#8B5A2B';
const SEED_COLOR = '#654321';
const FLOWER_COLORS = ['#FF0000', '#FFFF00', '#FF00FF', '#FFA500', '#FFFFFF', '#00FFFF'];
const LEAF_COLOR = '#228B22';
const FIRE_COLORS = ['#FF0000', '#FF3300', '#FF6600', '#FF9900', '#FFCC00', '#FFFF00'];
const LAVA_COLORS = ['#FF0000', '#FF3300', '#FF4500', '#FF6600', '#FF8C00'];

// Element types
const EMPTY = 0;
const SAND = 1;
const WATER = 2;
const WALL = 3;
const DIRT = 4;
const STONE = 5;
const GRASS = 6;
const WOOD = 7;
const SEED = 8;
const GRASS_BLADE = 9;
const FLOWER = 10;
const TREE_SEED = 11;
const LEAF = 12;
const FIRE = 13;
const LAVA = 14;

// Flammable materials
const FLAMMABLE_MATERIALS = [GRASS, WOOD, SEED, GRASS_BLADE, FLOWER, TREE_SEED, LEAF];