Add BaseComp

entity/comp.go

@@ -1,9 +1,25 @@
 package entity
 
 type Comp interface {
+	// This ensures that implementors of the Comp interface
+	// always embed BaseComp
+	base()
+
 	Name() string
 }
 
+var _ Comp = &BaseComp{}
+
+type BaseComp struct {
+}
+
+func (b *BaseComp) base() {
+}
+
+func (b *BaseComp) Name() string {
+	return "Base Component"
+}
+
 func AddComp(e *Entity, c Comp) {
 	e.Comps = append(e.Comps, c)
 }

main.go

@@ -71,12 +71,14 @@ type OurGame struct {
 }
 
 type TransformComp struct {
+	entity.BaseComp
+
 	Pos   *gglm.Vec3
 	Rot   *gglm.Quat
 	Scale *gglm.Vec3
 }
 
-func (t TransformComp) Name() string {
+func (t *TransformComp) Name() string {
 	return "Transform Component"
 }