engine

Documentation

Overview

Package engine contains the definition of the Engine

Index

• type Engine
• type InitFunc

Types

type Engine

type Engine interface {
	// World returns the game world.World
	World() *world.World
	// LoadSpriteSheet preloads a sprite.Sprite sheet
	LoadSpriteSheet(fileName string) error
	// LoadSprite preloads a single sprite.Sprite with a given pivot
	LoadSprite(filename string, pivot geometry.Point) error
	// LoadFont preloads a font
	LoadFont(fileName string) error
	// GetSpriteSize returns the geometry.Size of a given sprite
	GetSpriteSize(sheet string, name string) (geometry.Size, error)
	// GetScreenSize returns the current screen size
	GetScreenSize() geometry.Size
	// AddGameStage adds a new game stage to our game with the given name, for changing
	//to that stage send events.ChangeStage
	AddGameStage(name string, init InitFunc)
	// SetBackgroundColor changes the current background color.Solid
	SetBackgroundColor(color color.Solid)
	// MeasureText return the geometry.Size of a string with a defined size and spacing
	MeasureText(font string, str string, size float32) (geometry.Size, error)
	// SpriteAtContains indicates if a sprite.Sprite at a given geometry.Point contains a geometry.Point
	SpriteAtContains(spr sprite.Sprite, at geometry.Point, point geometry.Point) bool
}

Engine is the interface for the game engine

type InitFunc

type InitFunc func(eng Engine) error

InitFunc is a function that will get call for our game to load