peer

type GLContext struct {
	// contains filtered or unexported fields
}

type GLPeer struct {
	// contains filtered or unexported fields
}

type GLer interface {
	// Initialize initializes GLPeer.
	// This function must be called in advance of using GLPeer
	Initialize(glc *GLContext)
	// LoadTexture return texture that is loaded by the information of arguments.
	// Loaded texture can assign using AddSprite function.
	LoadTexture(assetName string, rect image.Rectangle) sprite.SubTex
	// MakeTextureByText create and return texture by specified text
	// Loaded texture can assign using AddSprite function.
	// TODO: font parameterize
	MakeTextureByText(text string, fontsize float64, fontcolor color.RGBA, rect image.Rectangle) sprite.SubTex
	// Finalize finalizes GLPeer.
	// This is called at termination of application.
	Finalize()
	// Update updates screen.
	// This is called 60 times per 1 sec.
	Update(sc SpriteContainerer)
	// Reset resets current gl context.
	// All sprites are also cleaned.
	// This is called at changing of scene, and
	// this function is for clean previous scene.
	Reset()
	// NewTexture returns a new Texture instance
	NewTexture(s sprite.SubTex) *Texture
	// ReleaseTexture releases specified texture
	ReleaseTexture(t *Texture)
	// NewNode returns new node
	NewNode(fn arrangerFunc) *ZNode
	// AppendNode adds specified node as a child
	AppendNode(n *ZNode)
	// RemoveNode removes specified node
	RemoveNode(n *ZNode)
	// SetSubTex registers subtexture to specified node
	SetSubTex(n *ZNode, subTex *sprite.SubTex)
	// ZIndexDirty updates dirty flag with specified argument
	ZIndexDirty()
}

type Gomo struct {
	// contains filtered or unexported fields
}

type Gomoer interface {
	// Initialize initializes Gomo.
	Initialize(onStart func(glc *GLContext), onStop func(), updateCallback func())
	// Start starts gomobile's main loop.
	// Most of events handled by peer is fired by this function.
	Start()
}

type ScreenSizer interface {
	// SetScreenSize sets device's actual screen size.
	// currently this function is called only from gomobile.go,
	// at updating window size, or orientating of screen.
	SetScreenSize(s size.Event)
	// SetDesiredScreenSize sets virtual screen size.
	// Any positive value can be specified to arguments.
	// like, w=1920, h=1080
	SetDesiredScreenSize(w, h float32)
}

type Sprite struct {
	// W = width of sprite
	W float32
	// H = height of sprite
	H float32
	// X = x position of sprite
	X float32
	// Y = y position of sprite
	Y float32
	// R = radius of sprite (use for rotation)
	R float32
	// contains filtered or unexported fields
}

type SpriteContainer struct {
	// contains filtered or unexported fields
}

type SpriteContainerer interface {
	// Initialize initializes SpriteContainer object.
	// This must be called to use all SpriteContainer's function in advance.
	Initialize(gl GLer)
	// AddSprite adds a sprite to SpriteContainer.
	AddSprite(s *Sprite, subTex *sprite.SubTex, arrangeCallback func()) error
	// RemoveSprite removes a specified sprite from SpriteContainer.
	// Since Unregister of Node is not implemented by gomobile, this function just
	// marks the specified sprite as "not in use".
	// The sprite marked as "not in use" will be reused at AddSprite.
	RemoveSprite(remove *Sprite)
	// RemoveSprites removes all registered sprites from SpriteContainer.
	RemoveSprites()
	// SetZIndex sets specified zindex to specified Sprite
	SetZIndex(sprite *Sprite, z int) error
	// GetZIndex returns specified sprite's zindex
	GetZIndex(sprite *Sprite) (int, error)
	// GetSpriteNodePairs returns map representation of sprite and node pair
	GetSpriteNodePairs() *sync.Map
	// ReplaceTexture replaces sprite's texture to specified one.
	ReplaceTexture(sprite *Sprite, texture *Texture)
	// OnTouchBegin is called when screen is started to touch.
	// This function calls listener's OnTouchBegin if the touched position is
	// contained by sprite's rectangle.
	OnTouchBegin(x, y float32)
	// OnTouchMove is called when touch is moved (dragged).
	// This function calls listener's OnTouchMove if the touched position is
	// contained by sprite's rectangle.
	OnTouchMove(x, y float32)
	// OnTouchEnd is called when touch is ended (released).
	// This function calls listener's OnTouchEnd if the touched position is
	// contained by sprite's rectangle.
	OnTouchEnd(x, y float32)
}

type Spriter interface {
	// AddTouchListener registers a listener to notify touch event.
	AddTouchListener(l TouchListener)
	// RemoveAllTouchListener removes all registered listeners from sprite.
	RemoveAllTouchListener()
}

type Texture struct {
	// contains filtered or unexported fields
}

type TouchListener interface {
	OnTouchBegin(x, y float32)
	OnTouchMove(x, y float32)
	OnTouchEnd(x, y float32)
}

type TouchPeer struct {
	// contains filtered or unexported fields
}

type Toucher interface {
	// AddTouchListener registers a listener to notify touch event.
	AddTouchListener(listener TouchListener)
	// RemoveTouchListener removes specified listener.
	RemoveTouchListener(listener TouchListener)
	// RemoveAllTouchListener removes all registered listeners.
	RemoveAllTouchListeners()
	// OnTouchBegin is called when touch is started.
	// This event is notified to all registered listeners despite of the touched position.
	OnTouchBegin(pxx, pxy float32)
	// OnTouchMove is called when touch is moved (dragged).
	// This event is notified to all registered listeners despite of the touched position.
	OnTouchMove(pxx, pxy float32)
	// OnTouchEnd is called when touch is ended (released).
	// This event is notified to all registered listeners despite of the touched position.
	OnTouchEnd(pxx, pxy float32)
}

type ZNode struct {
	Node   *sprite.Node
	ZIndex int
}

type ZNodes []*ZNode