Java动态圣诞树代码
时间: 2023-12-15 19:06:19 浏览: 230
以下是Java动态圣诞树代码:
```java
public class ChristmasTree {
public static void main(String[] args) {
int n = 10; // 控制树的高度
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= n - i; j++) {
System.out.print(" ");
}
for (int k = 1; k <= 2 * i - 1; k++) {
System.out.print("*");
}
System.out.println();
}
for (int i = 1; i <= 3; i++) {
for (int j = 1; j <= n - 2; j++) {
System.out.print(" ");
}
System.out.println("***");
}
}
}
```
相关问题
java动态圣诞树的代码编写
以下是Java动态圣诞树的代码编写:
```java
import java.util.Scanner;
public class DynamicChristmasTree {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.print("请输入圣诞树的高度:");
int height = scanner.nextInt();
printChristmasTree(height);
}
public static void printChristmasTree(int height) {
for (int i = 0; i < height; i++) {
for (int j = 0; j < height - i; j++) {
System.out.print(" ");
}
for (int j = 0; j <= i * 2; j++) {
System.out.print("*");
}
System.out.println();
}
}
}
```
这段代码会提示用户输入圣诞树的高度,然后调用`printChristmasTree`方法打印出相应高度的圣诞树。`printChristmasTree`方法与上面提供的例子相同,使用两个循环嵌套打印出圣诞树的形状。
Java动态3d圣诞树代码
在Java中创建一个动态3D圣诞树通常需要使用图形库如JavaFX或JOGL等。这里提供一个简单的例子,我们将使用JavaFX框架来创建一个基本的3D圣诞树模型:
```java
import javafx.scene.*;
import javafx.scene.paint.Color;
import javafx.scene.shape.*;
public class ChristmasTree extends Group {
private static final double DECORATION_SIZE = 0.5;
private static final int NUM_DECORATIONS = 6;
public ChristmasTree() {
// 创建树干
var trunk = new Box(4, 1, 1);
trunk.setTranslateX(-2);
trunk.setMaterial(Color.BROWN);
// 创建树枝
var branchGroup = createBranches(3, Color.GRAY, DECORATION_SIZE);
for (Path path : branchGroup.getChildren()) {
path.setTranslateY(-1);
}
getChildren().add(trunk);
// 添加装饰品
for (int i = 0; i < NUM_DECORATIONS; i++) {
addDecoration(branchGroup, Color.RED);
}
}
private Group createBranches(int depth, Color color, double size) {
if (depth == 0) return null;
var group = new Group();
for (int i = 0; i < 2; i++) {
var branch = new Path();
branch.getElements().addAll(
new MoveTo(0, -size),
new LineTo(0, size * Math.pow(2, depth)),
new LineTo(size, size * Math.pow(2, depth)),
new LineTo(size, -size * Math.pow(2, depth - 1)),
new LineTo(0, -size * Math.pow(2, depth - 1))
);
branch.setFill(color);
group.getChildren().add(branch);
group.getChildren().add(createBranches(depth - 1, color, size));
}
return group;
}
private void addDecoration(Group branchGroup, Color color) {
var decoration = new Circle(DECORATION_SIZE);
decoration.setFill(color);
branchGroup.getChildren().add(decoration);
}
public static void main(String[] args) {
Application.launch(ChristmasTree.class);
}
}
```
这个示例代码创建了一个简单的圣诞树形状,包括树干、灰色的树枝以及红色的装饰品。你可以运行`main`方法启动JavaFX应用,看到动态的3D圣诞树。
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