Add Init,Update,Destroy to Comp+HasComp,DestroyComp funcs

entity/base_comp.go

@@ -0,0 +1,27 @@
+package entity
+
+import "github.com/bloeys/nmage/assert"
+
+var _ Comp = &BaseComp{}
+
+type BaseComp struct {
+	Entity *Entity
+}
+
+func (b *BaseComp) base() {
+}
+
+func (b *BaseComp) Init(parent *Entity) {
+	assert.T(parent != nil, "Component was initialized with a nil parent. That is not allowed.")
+	b.Entity = parent
+}
+
+func (b *BaseComp) Name() string {
+	return "Base Component"
+}
+
+func (b *BaseComp) Update() {
+}
+
+func (b *BaseComp) Destroy() {
+}