92 lines
2.2 KiB
C++
92 lines
2.2 KiB
C++
#include <extra2d/extra2d.h>
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using namespace extra2d;
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/**
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* @brief Hello World 场景类
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* 显示简单的精灵和形状
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*/
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class HelloWorldScene : public Scene {
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public:
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/**
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* @brief 场景进入时调用
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*/
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void onEnter() override {
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E2D_LOG_INFO("HelloWorldScene::onEnter - 进入场景");
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setBackgroundColor(Color(0.1f, 0.1f, 0.3f, 1.0f));
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auto center = ShapeNode::createFilledCircle(
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Vec2(640.0f, 360.0f), 50.0f, Color(1.0f, 1.0f, 1.0f, 1.0f), 32);
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center->setName("center_circle");
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addChild(center);
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auto rect = ShapeNode::createFilledRect(
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Rect(100.0f, 100.0f, 200.0f, 100.0f), Color(1.0f, 0.5f, 0.5f, 1.0f));
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rect->setName("red_rect");
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addChild(rect);
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auto line = ShapeNode::createLine(Vec2(500.0f, 500.0f), Vec2(780.0f, 500.0f),
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Color(0.0f, 1.0f, 1.0f, 1.0f), 3.0f);
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line->setName("cyan_line");
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addChild(line);
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auto triangle = ShapeNode::createFilledTriangle(
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Vec2(900.0f, 200.0f), Vec2(1000.0f, 350.0f), Vec2(800.0f, 350.0f),
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Color(0.5f, 1.0f, 0.5f, 1.0f));
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triangle->setName("green_triangle");
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addChild(triangle);
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}
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/**
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* @brief 每帧更新时调用
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* @param dt 时间间隔（秒）
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*/
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void onUpdate(float dt) override {
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Scene::onUpdate(dt);
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auto &input = Application::instance().input();
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if (input.isButtonPressed(GamepadButton::Start)) {
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E2D_LOG_INFO("退出应用 (START 按钮)");
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Application::instance().quit();
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}
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}
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};
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/**
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* @brief 程序入口
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*/
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int main(int argc, char **argv) {
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Logger::init();
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Logger::setLevel(LogLevel::Debug);
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E2D_LOG_INFO("========================");
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E2D_LOG_INFO("Easy2D Hello World Demo");
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E2D_LOG_INFO("========================");
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auto &app = Application::instance();
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AppConfig config;
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config.title = "Easy2D - Hello World";
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config.width = 1280;
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config.height = 720;
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config.vsync = true;
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config.fpsLimit = 60;
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if (!app.init(config)) {
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E2D_LOG_ERROR("应用初始化失败！");
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return -1;
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}
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app.enterScene(makePtr<HelloWorldScene>());
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E2D_LOG_INFO("开始主循环...");
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app.run();
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E2D_LOG_INFO("应用结束");
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return 0;
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}
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