在 JavaFX 中解釋二維形狀的相交操作
此操作接收兩個或更多形狀作為輸入,並返回它們之間的相交區域,如下所示。

javafx.scene.shape.Shape 類中的 intersect()(靜態)方法接收兩個 Shape 物件,並返回指定物件相交操作的結果。
示例
import javafx.application.Application;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.paint.Color;
import javafx.stage.Stage;
import javafx.scene.shape.Circle;
import javafx.scene.shape.Shape;
public class JavaFXIntersectExample extends Application {
public void start(Stage stage) {
//Drawing circle1
Circle circle1 = new Circle();
circle1.setCenterX(230.0f);
circle1.setCenterY(100.0f);
circle1.setRadius(75.0f);
circle1.setFill(Color.DARKRED);
//Drawing Circle2
Circle circle2 = new Circle();
circle2.setCenterX(280.0f);
circle2.setCenterY(170.0f);
circle2.setRadius(75.0f);
circle2.setFill(Color.DARKRED);
//Drawing Circle3
Circle circle3 = new Circle();
circle3.setCenterX(330.0f);
circle3.setCenterY(100.0f);
circle3.setRadius(75.0f);
circle3.setFill(Color.DARKRED);
//Intersect Operation
Shape intersect = Shape.intersect(circle1, circle2);
intersect = Shape.intersect(intersect, circle3);
intersect.setFill(Color.RED);
//Setting the stage
Group root = new Group(circle1, circle2, circle3, intersect);
Scene scene = new Scene(root, 595, 300);
stage.setTitle("Intersect Operation");
stage.setScene(scene);
stage.show();
}
public static void main(String args[]){
launch(args);
}
}輸出

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