game

import "github.com/rfwlab/rfw/v2/game"

Game engine utilities for rfw. Provides game loop, rendering, and scene management.

Loop

import "github.com/rfwlab/rfw/v2/game/loop"

Game loop with fixed timestep and interpolation.

Function/Type	Description
`Loop`	Main game loop struct
`New(fps int) *Loop`	Create a loop at given FPS
`Run(fn func(dt float64))`	Start loop with update function
`Stop()`	Stop the loop

import "github.com/rfwlab/rfw/v2/game/draw"

Canvas rendering utilities.

Function/Type	Description
`Canvas`	HTML5 Canvas wrapper
`NewCanvas(element string) *Canvas`	Create canvas from element ID
`Clear(color string)`	Clear canvas with color
`FillRect(x, y, w, h float64, color string)`	Fill rectangle
`DrawImage(img js.Value, x, y float64)`	Draw image

import "github.com/rfwlab/rfw/v2/game/scene"

Scene graph management.

Function/Type	Description
`Node`	Scene graph node
`NewNode() *Node`	Create a node
`AddChild(*Node)`	Add child node
`RemoveChild(*Node)`	Remove child node
`SetTransform(pos, rot, scale m.Vec3)`	Set transform
`Update(dt float64)`	Update node and children
`Render(*draw.Canvas)`	Render node and children