Initial

source/game.js

@@ -0,0 +1,92 @@
+
+let
+game_tick = 0,
+game_time = 0.016,
+game_real_time_last,
+game_message_timeout = 0,
+
+game_entities,
+game_entities_enemies,
+game_entities_friendly,
+game_entity_player,
+game_map_index,
+game_jump_to_next_level,
+
+game_init = (map_index) => {
+	ts.style.display = 'none',
+
+	game_entities = [];
+	game_entities_enemies = [];
+	game_entities_friendly = [];
+
+	game_map_index = map_index;
+	map_init(map_data[game_map_index]);
+},
+
+game_next_level = () => {
+	game_jump_to_next_level = 1;
+},
+
+game_spawn = (type, pos, p1, p2) =>  {
+	let entity = new (type)(pos, p1, p2)
+	game_entities.push(entity);
+	return entity;
+},
+
+game_show_message = (text) => {
+	msg.textContent = text;
+	msg.style.display = 'block';
+	clearTimeout(game_message_timeout);
+	game_message_timeout = setTimeout(()=>msg.style.display = 'none', 2000);
+},
+
+title_show_message = (msg, sub = '') => {
+	ts.innerHTML = '<h1>'+msg+'</h1>' + sub;
+	ts.style.display = 'block';
+},
+
+game_run = (time_now) => {
+	requestAnimationFrame(game_run);
+
+	time_now *= 0.001;
+	game_tick = Math.min((time_now - (game_real_time_last||time_now)),0.05);
+	game_real_time_last = time_now;
+	game_time += game_tick;
+
+	r_prepare_frame(0.1, 0.2, 0.5);
+
+	// Update and render entities
+	let alive_entities = [];
+	for (let entity of game_entities) {
+		if (!entity._dead) {
+			entity._update();
+			alive_entities.push(entity);
+		}
+	}
+	game_entities = alive_entities;
+
+	map_draw();
+	r_end_frame();
+
+	// Reset mouse movement and buttons that should be pressed, not held.
+	mouse_x = mouse_y = 0;
+	keys[key_next] = keys[key_prev] = 0;
+
+	if (game_jump_to_next_level) {
+		game_jump_to_next_level = 0;
+		game_map_index++;
+		if (game_map_index == 2) {
+			title_show_message('THE END', 'THANKS FOR PLAYING ❤');
+			h.textContent = a.textContent = '';
+			game_entity_player._dead = 1;
+
+			// Set camera position for end screen
+			r_camera = vec3(1856,784,2272);
+			r_camera_yaw = 0;
+			r_camera_pitch = 0.5;
+		}
+		else {
+			game_init(game_map_index);
+		}
+	}
+};