54 lines
1.1 KiB
Plaintext
54 lines
1.1 KiB
Plaintext
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// 使用三目运算符的示例
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height := 10;
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width := 5;
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// 三目运算符判断矩形是横长还是竖长
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isTall := height > width ? {true} : {false};
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// 输出结果
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Scene.addText({
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text := isTall ? {"矩形是竖长的"} : {"矩形是横长的"};
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pos := [0, 2];
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size := 0.5;
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});
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// 使用alloc关键字实例化类
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Person := {
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p := alloc;
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p.name := "默认名称";
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p.age := 0;
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p.greet := null;
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p -> {
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greet := (message) => {
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return p.name + "说: " + message;
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};
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};
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p;
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};
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// 创建人类实例
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student := Person;
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student.name := "小明";
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student.age := 15;
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// 调用方法并使用三目运算符决定消息
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message := student.age >= 18 ? {"我是成年人"} : {"我是未成年人"};
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result := student.greet(message);
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// 在场景中显示结果
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Scene.addText({
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text := result;
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pos := [0, 0];
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size := 0.5;
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});
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// 使用for循环和三目运算符创建彩色物体
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for(5, (i) => {
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color := i % 2 == 0 ? {[1, 0, 0, 1]} : {[0, 0, 1, 1]};
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Scene.addCircle({
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pos := [i - 2, -2];
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radius := 0.3;
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color := color;
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restitution := 0.8;
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});
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});
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