Create ThreeDCalculator,java

ThreeDCalculator,java

@@ -0,0 +1,51 @@
+import javafx.scene.Group;
+import javafx.scene.paint.Color;
+import javafx.scene.paint.PhongMaterial;
+import javafx.scene.shape.Box;
+import javafx.scene.shape.Sphere;
+import java.util.function.Function;
+
+public class FunctionGraph3D extends Group {
+
+    public FunctionGraph3D() {
+        createCoordinateSystem();
+    }
+
+    public void plotFunction(Function<Double, Double> function, double minX, double maxX, int points) {
+        // Clear previous function points
+        getChildren().removeIf(node -> node instanceof Sphere);
+
+        double step = (maxX - minX) / points;
+
+        for (int i = 0; i <= points; i++) {
+            double x = minX + i * step;
+            double y = function.apply(x);
+
+            if (Double.isFinite(y)) {
+                Sphere point = new Sphere(0.1);
+                point.setMaterial(new PhongMaterial(Color.YELLOW));
+                point.setTranslateX(x);
+                point.setTranslateY(y);
+                point.setTranslateZ(0);
+
+                getChildren().add(point);
+            }
+        }
+    }
+
+    private void createCoordinateSystem() {
+        // X-axis
+        Box xAxis = new Box(20, 0.05, 0.05);
+        xAxis.setMaterial(new PhongMaterial(Color.RED));
+
+        // Y-axis
+        Box yAxis = new Box(0.05, 20, 0.05);
+        yAxis.setMaterial(new PhongMaterial(Color.GREEN));
+
+        // Z-axis
+        Box zAxis = new Box(0.05, 0.05, 20);
+        zAxis.setMaterial(new PhongMaterial(Color.BLUE));
+
+        getChildren().addAll(xAxis, yAxis, zAxis);
+    }
+}