protected setHandlePosition()

in share/src/components/Joystick.tsx [281:351]
62 lines of code
17 McCabe index (conditional complexity)

    protected setHandlePosition(x: number, y: number, animation = false) {
        if (this.joystickHandle) {
            this.joystickHandle.setAttribute("cx", "" + x)
            this.joystickHandle.setAttribute("cy", "" + y)

            this.handleX = x;
            this.handleY = y;

            if (!animation) {
                if (this.getHandleDistance() < 5) {
                    this.clearButtonPresses();
                }
                else {
                    const { simulator } = this.props;
                    const angle = this.getHandleAngle();
                    const octet = (5 + Math.floor((angle / (Math.PI / 4)) - 0.5)) % 8;

                    if (octet === this.lastOctet) return;
                    this.lastOctet = octet;

                    let left = false;
                    let right = false;
                    let up = false;
                    let down = false;

                    switch (octet) {
                        case 0:
                            left = true;
                            break;
                        case 1:
                            left = true;
                            up = true;
                            break;
                        case 2:
                            up = true;
                            break;
                        case 3:
                            up = true;
                            right = true;
                            break;
                        case 4:
                            right = true;
                            break;
                        case 5:
                            right = true;
                            down = true;
                            break;
                        case 6:
                            down = true;
                            break;
                        case 7:
                            left = true;
                            down = true;
                            break;
                    }

                    if (down) simulator.pressButton(SimulatorButton.Down);
                    else simulator.releaseButton(SimulatorButton.Down);

                    if (up) simulator.pressButton(SimulatorButton.Up);
                    else simulator.releaseButton(SimulatorButton.Up);

                    if (left) simulator.pressButton(SimulatorButton.Left);
                    else simulator.releaseButton(SimulatorButton.Left);

                    if (right) simulator.pressButton(SimulatorButton.Right);
                    else simulator.releaseButton(SimulatorButton.Right);
                }
            }
        }
    }