67 lines
2.0 KiB
C++
67 lines
2.0 KiB
C++
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// ============================================================================
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// Number.cpp - 数字显示类实现
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// ============================================================================
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#include "Number.h"
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#include "ResLoader.h"
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namespace flappybird {
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Number::Number() : number_(0) {
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}
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void Number::setNumber(int number) {
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number_ = number;
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createNumberSprites(number, "number_big_");
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}
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void Number::setLittleNumber(int number) {
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number_ = number;
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createNumberSprites(number, "number_medium_");
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}
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void Number::createNumberSprites(int number, const std::string& prefix) {
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// 清除之前的数字精灵
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removeAllChildren();
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// 获取数字 0 的高度作为参考
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auto zeroFrame = ResLoader::getKeyFrame(prefix + "0");
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float digitHeight = zeroFrame ? zeroFrame->getRect().size.height : 36.0f;
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// 收集所有数字位
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std::vector<int> digits;
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if (number == 0) {
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digits.push_back(0);
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} else {
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while (number > 0) {
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digits.push_back(number % 10);
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number /= 10;
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}
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}
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// 计算总宽度
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float totalWidth = 0.0f;
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std::vector<float> digitWidths;
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for (int digit : digits) {
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auto frame = ResLoader::getKeyFrame(prefix + std::to_string(digit));
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float width = frame ? frame->getRect().size.width : 24.0f;
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digitWidths.push_back(width);
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totalWidth += width;
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}
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// 创建数字精灵并居中排列
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float currentX = -totalWidth / 2.0f;
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for (size_t i = 0; i < digits.size(); ++i) {
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auto frame = ResLoader::getKeyFrame(prefix + std::to_string(digits[i]));
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if (frame) {
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auto digitSprite = extra2d::Sprite::create(frame->getTexture(), frame->getRect());
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digitSprite->setAnchor(extra2d::Vec2(0.0f, 0.0f));
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digitSprite->setPosition(extra2d::Vec2(currentX, -digitHeight / 2.0f));
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addChild(digitSprite);
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}
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currentX += digitWidths[i];
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}
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}
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} // namespace flappybird
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