comp2d

Documentation

Index

• type RenderPositions
• type SpriteMover
  • func NewSpriteMover(container *sh2d.GameObject, direction geometry2d.Vector2D, velocity float64) *SpriteMover
  • func (b *SpriteMover) Draw(screen *ebiten.Image) error
  • func (b *SpriteMover) Update(delta int64) error
• type SpriteRenderer
  • func NewSpriteRenderer(texture []byte, container *sh2d.GameObject, anchor RenderPositions) *SpriteRenderer
  • func (sp *SpriteRenderer) Draw(screen *ebiten.Image) error
  • func (sp *SpriteRenderer) GetAbsCenter() geometry2d.Vector2D
  • func (sp *SpriteRenderer) GetAbsTopCenter() geometry2d.Vector2D
  • func (sp *SpriteRenderer) GetRelCenter() geometry2d.Vector2D
  • func (sp *SpriteRenderer) Update(delta int64) error
• type Timer
  • func NewTimer(elapsedCallback func(), autoReset bool, interval time.Duration) *Timer
  • func NewTimerSingle(elapsedCallback func(), interval time.Duration) *Timer
  • func NewTimerSingleStart(elapsedCallback func(), interval time.Duration) *Timer
  • func (t *Timer) Draw(screen *ebiten.Image) error
  • func (t *Timer) Reset()
  • func (t *Timer) Start()
  • func (t *Timer) Update(delta int64) error

Types

type RenderPositions

type RenderPositions string

RenderPositions defines anchor positions

const (
	//CenterCenter center of sprite
	CenterCenter RenderPositions = "CENTER"
	//TopLeft topleft of sprite
	TopLeft RenderPositions = "LEFT"
)

type SpriteMover

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

SpriteMover moves a sprite by a given velocity to a defined direction

func NewSpriteMover

func NewSpriteMover(container *sh2d.GameObject, direction geometry2d.Vector2D, velocity float64) *SpriteMover

NewSpriteMover creates a new sprite mover

func (*SpriteMover) Draw

func (b *SpriteMover) Draw(screen *ebiten.Image) error

Draw Draw

func (*SpriteMover) Update

func (b *SpriteMover) Update(delta int64) error

Update moves a sprite

type SpriteRenderer

type SpriteRenderer struct {
	Texture *ebiten.Image

	Anchor *RenderPositions
	Scale  *float64
	// contains filtered or unexported fields
}

SpriteRenderer is a component to render a sprite

func NewSpriteRenderer

func NewSpriteRenderer(texture []byte, container *sh2d.GameObject, anchor RenderPositions) *SpriteRenderer

NewSpriteRenderer creates a new sprite renderer

func (*SpriteRenderer) Draw

func (sp *SpriteRenderer) Draw(screen *ebiten.Image) error

Draw draws the component.

func (*SpriteRenderer) GetAbsCenter

func (sp *SpriteRenderer) GetAbsCenter() geometry2d.Vector2D

GetAbsCenter gets centered absolute coordinates

func (*SpriteRenderer) GetAbsTopCenter

func (sp *SpriteRenderer) GetAbsTopCenter() geometry2d.Vector2D

GetAbsTopCenter gets absolute coordinates of top center

func (*SpriteRenderer) GetRelCenter

func (sp *SpriteRenderer) GetRelCenter() geometry2d.Vector2D

GetRelCenter gets centered relative coordinates

func (*SpriteRenderer) Update

func (sp *SpriteRenderer) Update(delta int64) error

Update updates the component.

type Timer

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

Timer executes an event method when timer elapses

func NewTimer

func NewTimer(elapsedCallback func(), autoReset bool, interval time.Duration) *Timer

NewTimer creates a timer

func NewTimerSingle

func NewTimerSingle(elapsedCallback func(), interval time.Duration) *Timer

NewTimerSingle creates a new timer that executes once.(Start manually)

func NewTimerSingleStart

func NewTimerSingleStart(elapsedCallback func(), interval time.Duration) *Timer

NewTimerSingleStart creates and starts a new timer to execute once

func (*Timer) Draw

func (t *Timer) Draw(screen *ebiten.Image) error

Draw draws

func (*Timer) Reset

func (t *Timer) Reset()

Reset resets the timer manually

func (*Timer) Start

func (t *Timer) Start()

Start starts the timer manually

func (*Timer) Update

func (t *Timer) Update(delta int64) error

Update updates timer