Initial data commit

Task/Vector/Wren/vector-1.wren

@@ -0,0 +1,33 @@
+class Vector2D {
+    construct new(x, y) {
+        _x = x
+        _y = y
+    }
+
+    static fromPolar(r, theta) { new(r * theta.cos, r * theta.sin) }
+
+    x { _x }
+    y { _y }
+
+    +(v) { Vector2D.new(_x + v.x, _y + v.y) }
+    -(v) { Vector2D.new(_x - v.x, _y - v.y) }
+    *(s) { Vector2D.new(_x * s,   _y * s) }
+    /(s) { Vector2D.new(_x / s,   _y / s) }
+
+    toString { "(%(_x), %(_y))" }
+}
+
+var times = Fn.new { |d, v| v * d }
+
+var v1 = Vector2D.new(5, 7)
+var v2 = Vector2D.new(2, 3)
+var v3 = Vector2D.fromPolar(2.sqrt, Num.pi / 4)
+System.print("v1 = %(v1)")
+System.print("v2 = %(v2)")
+System.print("v3 = %(v3)")
+System.print()
+System.print("v1 + v2 = %(v1 + v2)")
+System.print("v1 - v2 = %(v1 - v2)")
+System.print("v1 * 11 = %(v1 * 11)")
+System.print("11 * v2 = %(times.call(11, v2))")
+System.print("v1 / 2  = %(v1 /  2)")

Task/Vector/Wren/vector-2.wren

@@ -0,0 +1,14 @@
+import "./vector" for Vector2
+
+var v1 = Vector2.new(5, 7)
+var v2 = Vector2.new(2, 3)
+var v3 = Vector2.fromPolar(2.sqrt, Num.pi / 4)
+System.print("v1 = %(v1)")
+System.print("v2 = %(v2)")
+System.print("v3 = %(v3)")
+System.print()
+System.print("v1 + v2 = %(v1 + v2)")
+System.print("v1 - v2 = %(v1 - v2)")
+System.print("v1 * 11 = %(v1 * 11)")
+System.print("11 * v2 = %(Vector2.scale(11, v2))")
+System.print("v1 / 2  = %(v1 /  2)")