升级项目框架，移除大部分无用的物理和tween系统

source/gulpfile.js

@@ -5,7 +5,15 @@ const terser = require('gulp-terser');
 const inject = require('gulp-inject-string');
 const ts = require('gulp-typescript');
 const merge = require('merge2');
-const tsProject = ts.createProject('tsconfig.json');
+const typescript = require('gulp-typescript');
+const concat = require('gulp-concat');
+const replace = require('gulp-string-replace');
+
+// TypeScript项目配置
+const tsProject = ts.createProject('tsconfig.json', {
+    module: 'es2020',
+    target: 'es2018'
+});
 
 function buildJs() {
   return tsProject.src()
@@ -24,6 +32,131 @@ function buildDts() {
     .pipe(gulp.dest('./bin'));
 }
 
+// 构建ES模块版本
+gulp.task('build-esm', function() {
+    return gulp.src(['src/**/*.ts'])
+        .pipe(tsProject())
+        .pipe(concat('ecs-framework.esm.js'))
+        .pipe(inject.prepend('// ECS Framework - ES Module Version\n'))
+        .pipe(gulp.dest('bin/'));
+});
+
+// 构建UMD版本（兼容各种游戏引擎）
+gulp.task('build-umd', function() {
+    const umdProject = ts.createProject('tsconfig.json', {
+        module: 'umd',
+        target: 'es5'
+    });
+    
+    return gulp.src(['src/**/*.ts'])
+        .pipe(umdProject())
+        .pipe(concat('ecs-framework.umd.js'))
+        .pipe(inject.prepend(`// ECS Framework - UMD Version
+(function (global, factory) {
+    typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
+    typeof define === 'function' && define.amd ? define(['exports'], factory) :
+    (global = global || self, factory(global.ECS = {}));
+}(this, (function (exports) { 'use strict';
+`))
+        .pipe(inject.append('\n})));'))
+        .pipe(gulp.dest('bin/'));
+});
+
+// 构建Laya引擎专用版本
+gulp.task('build-laya', function() {
+    const layaProject = ts.createProject('tsconfig.json', {
+        module: 'none',
+        target: 'es5'
+    });
+    
+    return gulp.src(['src/**/*.ts'])
+        .pipe(layaProject())
+        .pipe(concat('ecs-framework.laya.js'))
+        .pipe(replace(/export\s+/g, ''))
+        .pipe(inject.prepend(`// ECS Framework - Laya Engine Version
+var ECS = ECS || {};
+(function(ECS) {
+`))
+        .pipe(inject.append('\n})(ECS);'))
+        .pipe(gulp.dest('bin/'));
+});
+
+
+
+// 构建Cocos引擎专用版本
+gulp.task('build-cocos', function() {
+    const cocosProject = ts.createProject('tsconfig.json', {
+        module: 'es2020',
+        target: 'es2018'
+    });
+    
+    return gulp.src(['src/**/*.ts'])
+        .pipe(cocosProject())
+        .pipe(concat('ecs-framework.cocos.js'))
+        .pipe(inject.prepend('// ECS Framework - Cocos Engine Version\n'))
+        .pipe(gulp.dest('bin/'));
+});
+
+// 压缩所有构建文件
+gulp.task('minify', function() {
+    return gulp.src(['bin/*.js', '!bin/*.min.js'])
+        .pipe(terser({
+            compress: {
+                drop_console: false, // 保留console用于调试
+                drop_debugger: true,
+                pure_funcs: ['console.log'] // 可选择性移除console.log
+            },
+            mangle: {
+                keep_fnames: true // 保留函数名用于调试
+            },
+            format: {
+                comments: false
+            }
+        }))
+        .pipe(concat(function(file) {
+            return file.basename.replace('.js', '.min.js');
+        }))
+        .pipe(gulp.dest('bin/'));
+});
+
+// 生成类型定义文件
+gulp.task('build-types', function() {
+    const dtsProject = ts.createProject('tsconfig.json', {
+        declaration: true,
+        emitDeclarationOnly: true
+    });
+    
+    return gulp.src(['src/**/*.ts'])
+        .pipe(dtsProject())
+        .pipe(concat('ecs-framework.d.ts'))
+        .pipe(gulp.dest('bin/'));
+});
+
+// 清理构建目录
+gulp.task('clean', function() {
+    const del = require('del');
+    return del(['bin/**/*']);
+});
+
+// 开发构建（快速，包含源码映射）
+gulp.task('build-dev', gulp.series('clean', 'build-esm', 'build-types'));
+
+// 生产构建（完整，包含所有版本和压缩）
+gulp.task('build', gulp.series(
+    'clean',
+    gulp.parallel('build-esm', 'build-umd', 'build-laya', 'build-cocos'),
+    'build-types',
+    'minify'
+));
+
+// 监听文件变化
+gulp.task('watch', function() {
+    gulp.watch('src/**/*.ts', gulp.series('build-dev'));
+});
+
+// 默认任务
+gulp.task('default', gulp.series('build'));
+
 exports.buildJs = buildJs;
 exports.buildDts = buildDts;
 exports.build = series(buildJs, buildDts);