sony-ble/utils/mjs_color.js

export function calculateColor(temperature, brightness) {
    // 转换色温值为RGB
    let kelvin = temperature / 100;
    let red, green, blue;

    if (kelvin <= 66) {
        red = 255;
        green = kelvin;
        green = 99.4708025861 * Math.log(green) - 161.1195681661;

        if (kelvin <= 19) {
            blue = 0;
        } else {
            blue = kelvin - 10;
            blue = 138.5177312231 * Math.log(blue) - 305.0447927307;
        }
    } else {
        red = kelvin - 60;
        red = 329.698727446 * Math.pow(red, -0.1332047592);
        green = kelvin - 60;
        green = 288.1221695283 * Math.pow(green, -0.0755148492);
        blue = 255;
    }

    // 根据亮度值调整颜色
    let brightnessCorrection = 1 + (brightness / 100) * 0.1; // 0.2 是亮度修正系数
    red = Math.round(red * brightness * brightnessCorrection / 100);
    green = Math.round(green * brightness * brightnessCorrection / 100);
    blue = Math.round(blue * brightness * brightnessCorrection / 100);

    // 返回RGB颜色值
    return `rgb(${red},${green},${blue})`;
}