private updateLightLevel()

in sim/visuals/board.ts [711:775]
58 lines of code
12 McCabe index (conditional complexity)

        private updateLightLevel() {
            /*
            let state = this.board;
            if (!state || !state.lightSensorState.sensorUsed) return;

            if (!this.lightLevelButton) {
                let gid = "gradient-light-level";
                this.lightLevelGradient = svg.linearGradient(this.defs, gid)
                let cy = 590;
                let r = 50;
                this.lightLevelButton = svg.child(this.g, "circle", {
                    cx: `100px`, cy: `${cy}px`, r: `${r}px`,
                    class: 'sim-light-level-button no-drag',
                    fill: `url(#${gid})`
                }) as SVGCircleElement;
                let pt = this.element.createSVGPoint();
                svg.buttonEvents(this.lightLevelButton,
                    // move
                    (ev) => {
                        let pos = svg.cursorPoint(pt, this.element, ev);
                        let rs = r / 2;
                        let level = Math.max(0, Math.min(255, Math.floor((pos.y - (cy - rs)) / (2 * rs) * 255)));
                        if (level != this.board.lightSensorState.getLevel()) {
                            this.board.lightSensorState.setLevel(level);
                            this.applyLightLevel();
                        }
                    },
                    // start
                    ev => { },
                    // stop
                    ev => { },
                    // keydown
                    (ev) => {
                        let charCode = (typeof ev.which == "number") ? ev.which : ev.keyCode
                        if (charCode === 40 || charCode === 37) { // Down/Left arrow
                            if (this.board.lightSensorState.getLevel() === 0) {
                                this.board.lightSensorState.setLevel(255);
                            } else {
                                this.board.lightSensorState.setLevel(this.board.lightSensorState.getLevel() - 1);
                            }
                            this.applyLightLevel();
                        } else if (charCode === 38 || charCode === 39) { // Up/Right arrow
                            if (this.board.lightSensorState.getLevel() === 255) {
                                this.board.lightSensorState.setLevel(0);
                            } else {
                                this.board.lightSensorState.setLevel(this.board.lightSensorState.getLevel() + 1);
                            }
                            this.applyLightLevel();
                        }
                    });
                this.lightLevelText = svg.child(this.g, "text", { x: 70, y: cy + r - 130, text: '', class: 'sim-text' }) as SVGTextElement;
                this.updateTheme();

                accessibility.makeFocusable(this.lightLevelButton);
                accessibility.setAria(this.lightLevelButton, "slider", "Light level");
                this.lightLevelButton.setAttribute("aria-valuemin", "0");
                this.lightLevelButton.setAttribute("aria-valuemax", "255");
                this.lightLevelButton.setAttribute("aria-orientation", "vertical");
                this.lightLevelButton.setAttribute("aria-valuenow", "128");
            }

            svg.setGradientValue(this.lightLevelGradient, Math.min(100, Math.max(0, Math.floor(state.lightSensorState.getLevel() * 100 / 255))) + '%')
            this.lightLevelText.textContent = state.lightSensorState.getLevel().toString();
            */
        }