initial commit

source/Hands/IHands.mc

@@ -0,0 +1,60 @@
+ import Toybox.Graphics;
+ import Toybox.Lang;
+ import Toybox.System;
+ import Toybox.WatchUi;
+ 
+ class IHands extends Drawable {
+
+    var CenterShift as [Float, Float];
+    var Radius as Float;
+
+    typedef HandsParams as {
+        :Identifier as Object,
+        :Field as FieldParams,
+    };
+
+    enum HandType {
+        HOURS_HAND,
+        MINUTES_HAND,
+        SECONDS_HAND,
+    }
+
+    enum HandStyleType {
+        SIMPLE_HANDS,
+    }
+
+    static function getHands(style as HandStyleType) as IHands {
+        switch (style) {
+            case SIMPLE_HANDS:
+            default:
+                return new SimpleHands({});
+        }
+    }
+
+    function initialize(options as HandsParams) {
+        Drawable.initialize({:identifier => options[:Identifier]});
+
+        // scene
+        var field = getOrElse(options[:Field], {}) as FieldParams;
+        CenterShift = getOrElse(field[:CenterShift], [0.0, 0.0]);
+        Radius = getOrElse(field[:Radius], 1.0);
+    }
+
+    function draw(dc as Dc) as Void {
+        var now = System.getClockTime();
+        
+        var center = getCenter(dc, CenterShift);
+        var length = Radius * min(center[0], center[1]);
+
+        var hourAngle = (now.hour % 12 + now.min / 60.0) * 30.0;
+        drawHand(dc, center[0], center[1], hourAngle, length, HOURS_HAND);
+
+        var minutesAngle = now.min * 6.0;
+        drawHand(dc, center[0], center[1], minutesAngle, length, MINUTES_HAND);
+
+        var secondsAngle = now.sec * 6.0;
+        drawHand(dc, center[0], center[1], secondsAngle, length, SECONDS_HAND);
+    }
+
+    function drawHand(dc as Dc, x as Float, y as Float, angle as Float, length as Float, handType as HandType) as Void {}
+ }