wf/source/Hands/SimpleHands.mc

import Toybox.Graphics;
import Toybox.Lang;

class SimpleHands extends IHands {

    var Color as ColorType;
    var SecondsColor as ColorType;

    typedef SimpleHandsParams as {
        :HandsParams as IHands.HandsParams,
        :Color as ColorType,
        :SecondsColor as ColorType,
    };

    function initialize(options as SimpleHandsParams) {
        IHands.initialize(getOrElse(options[:HandsParams], {}));
        
        Color = getOrElse(options[:Color], Graphics.COLOR_WHITE);
        SecondsColor = getOrElse(options[:SecondsColor], Graphics.COLOR_RED);
    }

    function drawHand(dc as Dc, x as Float, y as Float, angle as Float, length as Float, handType as IHands.HandType) as Void {
        var color = getColor(handType);
        angle = Math.toRadians(angle - 90);
        length *= getLenght(handType);

        dc.setColor(color, color);
        dc.drawLine(x, y, x + length * Math.cos(angle), y + length * Math.sin(angle));
    }

    private function getColor(handType as IHands.HandType) as ColorType {
        switch (handType) {
            case SECONDS_HAND:
                return SecondsColor;
            default:
                return Color;
        }
    }

    private function getLenght(handType as IHands.HandType) as Float {
        switch (handType) {
            case HOURS_HAND:
                return 0.7;
            default:
                return 1.0;
        }
    }
}