starting object oriented code

Author: phcompeau

.DS_Store

@@ -0,0 +1,38 @@
+package main
+
+import "fmt"
+
+type Rectangle struct {
+	x1, y1        float64
+	width, height float64
+	rotation      float64
+}
+
+type Circle struct {
+	x1, y1 float64 //center
+	radius float64
+}
+
+func Area(r Rectangle) float64 { //copy of input rectangle is created
+	r.height = 0.0
+	r.width = 0.0
+	return r.height * r.width
+	//copy destroyed
+}
+
+func CreateNewCircle(x, y, r float64) Circle {
+	var c Circle
+
+	c.x1 = x
+	c.y1 = y
+	c.radius = r
+	return c
+}
+
+func main() {
+	var r Rectangle
+	r.width = 3.0
+	r.height = 5.0
+	fmt.Println(Area(r))
+	fmt.Println(r.width, r.height)
+}