71 lines
1.4 KiB
Go
71 lines
1.4 KiB
Go
package gg
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// Implementing the interface type
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// will call the function OnStart
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// when first appear on scene BEFORE
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// the OnUpdate.
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// The v value will be get from Add function.
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type Starter interface {
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Start(*Context)
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}
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// Implementing the interface type
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// will call the function on each
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// engine iteration.
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type Updater interface {
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Update(*Context)
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}
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// Implementing the interface type
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// will call the function on deleting
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// the object.
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type Deleter interface {
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Delete(*Context)
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}
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// Feat to embed for turning visibility on and off.
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type Visibility struct {
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Visible bool
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}
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func (v Visibility) IsVisible() bool {
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return v.Visible
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}
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// Feat to embed to make colorful objects.
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type Colority struct {
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Color Color
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}
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// The interface describes anything that can be
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// drawn. It will be drew corresponding to
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// the layers order so the layer must be returned.
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type Drawer interface {
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Draw(*Context)
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GetLayer() Layer
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IsVisible() bool
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}
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type Objecter interface {
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GetObject() *Object
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Input() chan *Context
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Starter
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Updater
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Drawer
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Deleter
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}
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// The type for embedding into engine-in types.
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type Object struct {
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Layer
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Visibility
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input chan *Context
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}
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func (o *Object) GetObject() *Object { return o }
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func (o *Object) Input() chan *Context { return o.input }
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func (o *Object) Start(c *Context) {}
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func (o *Object) Update(c *Context) {}
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func (o *Object) Draw(c *Context) {}
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func (o *Object) Delete(c *Context) {}
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