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import javafx.animation.*;
import javafx.animation.transition.*;
import javafx.stage.Stage;
import javafx.scene.Scene;
import javafx.scene.paint.Color;
import javafx.scene.shape.*;


def bar1 = Rectangle {
    width: 5
    height: 50
    fill: Color.RED
};
def bar2 = Rectangle {
    width: 5
    height: 50
    fill: Color.RED
};

def track1 = Path {
    stroke: Color.BLACK
    strokeWidth: 4
    elements: [
        MoveTo  {
            x: 50
            y: 100
        },
        CubicCurveTo {
            controlX1: 100
            controlY1: -50
            controlX2: 300
            controlY2: 250
            x: 350
            y: 100
        },
    ]
};

def track2 = Path {
    stroke: Color.BLACK
    strokeWidth: 4
    elements: [
        MoveTo  {
            x: 50
            y: 200
        },
        CubicCurveTo {
            controlX1: 100
            controlY1: 50
            controlX2: 300
            controlY2: 350
            x: 350
            y: 200
        },
    ]
};

def anim1 = PathTransition {
    node: bar1
    path: AnimationPath.createFromPath(track1)
    orientation: OrientationType.NONE
    interpolator: Interpolator.LINEAR
    duration: 5s
    repeatCount: Timeline.INDEFINITE
};

def anim2 = PathTransition {
    node: bar2
    path: AnimationPath.createFromPath(track2)
    orientation: OrientationType.ORTHOGONAL_TO_TANGENT
    interpolator: Interpolator.LINEAR
    duration: 5s
    repeatCount: Timeline.INDEFINITE
};

function run(): Void {
    Stage {
        title: "Path Animation"
        scene: Scene {
            width: 400
            height: 300
            content: [ track1, track2, bar1, bar2 ]
        }
    };
    anim1.play();
    anim2.play();
}