Move all engine stuff to GoRetro. Still many interactions between game and engine code that there should not be.

component_mover_rotator.go

@@ -0,0 +1,33 @@
+package GoRetro
+
+/*
+ * --------------------
+ * moverRotator
+ * --------------------
+ * A simple mover that rotates the container a fixed
+ * amount each tick
+ */
+
+type moverRotator struct {
+	container *Element
+	speed     float64
+}
+
+func newMoverRotator(container *Element, speed float64) *moverRotator {
+	return &moverRotator{container: container, speed: speed}
+}
+
+func (mover *moverRotator) onDraw() error {
+	return nil
+}
+
+func (mover *moverRotator) onUpdate() error {
+	c := mover.container
+	c.Rotation += mover.speed * Delta
+
+	return nil
+}
+
+func (mover *moverRotator) onCollision(other *Element) error {
+	return nil
+}