114 lines
3.4 KiB
C++
114 lines
3.4 KiB
C++
// ============================================================================
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// Pipe.cpp - 水管类实现
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// ============================================================================
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#include "Pipe.h"
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#include "ResLoader.h"
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#include "BaseScene.h"
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namespace flappybird {
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Pipe::Pipe() {
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scored = false;
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// 注意：不要在构造函数中创建子节点
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// 因为此时 weak_from_this() 还不能使用
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}
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void Pipe::onEnter() {
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Node::onEnter();
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// 在 onEnter 中创建子节点，此时 weak_from_this() 可用
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if (!topPipe_ && !bottomPipe_) {
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// 使用游戏逻辑高度
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float screenHeight = GAME_HEIGHT;
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// 获取地面高度
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auto landFrame = ResLoader::getKeyFrame("land");
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float landHeight = landFrame ? landFrame->getRect().size.height : 112.0f;
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// 随机生成水管高度
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// 范围：与屏幕顶部最小距离不小于 100 像素
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// 与屏幕底部最小距离不小于地面上方 100 像素
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float minHeight = 100.0f;
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float maxHeight = screenHeight - landHeight - 100.0f - gapHeight_;
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float height = static_cast<float>(extra2d::randomInt(static_cast<int>(minHeight), static_cast<int>(maxHeight)));
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// 创建上水管
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auto topFrame = ResLoader::getKeyFrame("pipe_above");
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if (topFrame) {
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topPipe_ = extra2d::Sprite::create(topFrame->getTexture(), topFrame->getRect());
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topPipe_->setAnchor(extra2d::Vec2(0.5f, 1.0f)); // 锚点设在底部中心
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topPipe_->setPosition(extra2d::Vec2(0.0f, height - gapHeight_ / 2.0f));
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addChild(topPipe_);
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}
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// 创建下水管
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auto bottomFrame = ResLoader::getKeyFrame("pipe_below");
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if (bottomFrame) {
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bottomPipe_ = extra2d::Sprite::create(bottomFrame->getTexture(), bottomFrame->getRect());
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bottomPipe_->setAnchor(extra2d::Vec2(0.5f, 0.0f)); // 锚点设在顶部中心
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bottomPipe_->setPosition(extra2d::Vec2(0.0f, height + gapHeight_ / 2.0f));
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addChild(bottomPipe_);
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}
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}
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}
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Pipe::~Pipe() = default;
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extra2d::Rect Pipe::getBoundingBox() const {
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// 返回整个水管的边界框（包含上下两根）
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extra2d::Vec2 position = pos();
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// 水管宽度约为 52
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float pipeWidth = 52.0f;
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float halfWidth = pipeWidth / 2.0f;
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// 使用游戏逻辑高度
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float screenHeight = GAME_HEIGHT;
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return extra2d::Rect(
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position.x - halfWidth,
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0.0f,
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pipeWidth,
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screenHeight
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);
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}
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extra2d::Rect Pipe::getTopPipeBox() const {
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if (!topPipe_) return extra2d::Rect();
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extra2d::Vec2 position = pos();
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extra2d::Vec2 topPos = topPipe_->pos();
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// 上水管尺寸
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float pipeWidth = 52.0f;
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float pipeHeight = 320.0f;
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return extra2d::Rect(
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position.x - pipeWidth / 2.0f,
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position.y + topPos.y - pipeHeight,
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pipeWidth,
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pipeHeight
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);
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}
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extra2d::Rect Pipe::getBottomPipeBox() const {
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if (!bottomPipe_) return extra2d::Rect();
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extra2d::Vec2 position = pos();
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extra2d::Vec2 bottomPos = bottomPipe_->pos();
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// 下水管尺寸
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float pipeWidth = 52.0f;
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float pipeHeight = 320.0f;
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return extra2d::Rect(
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position.x - pipeWidth / 2.0f,
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position.y + bottomPos.y,
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pipeWidth,
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pipeHeight
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);
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}
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} // namespace flappybird
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