96 lines
1.7 KiB
C++
96 lines
1.7 KiB
C++
// Copyright (C) 2019 Nomango
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#pragma once
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#include "common.h"
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// 怪物
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KGE_DECLARE_SMART_PTR(Monster);
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class Monster
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: public Sprite
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{
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public:
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Monster()
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{
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// 加载图片
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Load(L"res/akushu.png");
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// 缩小图片
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SetScale(0.7f);
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}
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// 每帧渲染前执行 OnUpdate
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void OnUpdate(Duration dt) override
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{
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// 获取输入设备
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auto& input = Input::Instance();
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// 按下左右键
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if (input.IsDown(KeyCode::Left))
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{
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this->Move(-2, 0);
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}
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else if (input.IsDown(KeyCode::Right))
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{
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this->Move(2, 0);
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}
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// 按下上下键
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if (input.IsDown(KeyCode::Up))
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{
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this->Move(0, -2);
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}
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else if (input.IsDown(KeyCode::Down))
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{
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this->Move(0, 2);
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}
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// 按下鼠标左键，顺时针旋转怪物
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if (input.IsDown(MouseButton::Left))
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{
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// 获取当前旋转角度
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float rotation = this->GetRotation();
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// 设置角度值+2
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this->SetRotation(rotation + 2);
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}
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// 点击鼠标右键，隐藏或显示怪物
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if (input.WasPressed(MouseButton::Right))
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{
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// 获取当前显示状态
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bool visible = this->IsVisible();
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// 设置相反的显示状态
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this->SetVisible(!visible);
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}
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}
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};
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class Demo2
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: public Scene
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{
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public:
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static ScenePtr Create()
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{
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return new Demo2;
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}
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Demo2()
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{
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// 创建怪物
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MonsterPtr monster = new Monster;
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// 在屏幕上居中显示
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monster->SetAnchor(0.5f, 0.5f);
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monster->SetPosition(WINDOW_WIDTH / 2, WINDOW_HEIGHT / 2);
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// 创建说明文字
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TextPtr text = new Text(L"按上下左右键移动\n按鼠标左键旋转\n点击鼠标右键隐藏");
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// 设置节点大小为文字布局大小
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text->SetSize(text->GetLayoutSize());
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// 设置文字位置
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text->SetAnchor(0.5f, 0.5f);
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text->SetPosition(WINDOW_WIDTH / 2, WINDOW_HEIGHT - 50);
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text->SetAlignment(TextAlign::Center);
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// 添加到场景
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this->AddChild(monster);
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this->AddChild(text);
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}
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};
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