[client] improve GamepadView

src/common/haxe/ru/m/geom/Circle.hx

@@ -0,0 +1,41 @@
+package ru.m.geom;
+
+abstract Circle(Array<Float>) {
+    public var x(get, set):Float;
+    public var y(get, set):Float;
+    public var radius(get, set):Float;
+
+    public function new(x:Float = 0, y:Float = 0, radius:Float = 0) {
+        this = [
+            x, y, radius,
+        ];
+    }
+
+    private inline function get_x():Float {
+        return this[0];
+    }
+
+    private inline function set_x(value:Float):Float {
+        return this[0] = value;
+    }
+
+    private inline function get_y():Float {
+        return this[1];
+    }
+
+    private inline function set_y(value:Float):Float {
+        return this[1] = value;
+    }
+
+    private inline function get_radius():Float {
+        return this[2];
+    }
+
+    private inline function set_radius(value:Float):Float {
+        return this[2] = value;
+    }
+
+    public function contain(point:Point):Bool {
+        return Math.sqrt(Math.pow(point.x - x, 2) + Math.pow(point.y - y, 2)) < radius;
+    }
+}