Resolve some TODOs

exp/audio/internal/audio.go

@@ -109,7 +109,7 @@ func Queue(channel int, l []int16, r []int16) {
 	ch.r = append(ch.r, r...)
 }
 
-func Update() {
+func Tick() {
 	for _, ch := range channels {
 		ch.nextInsertionPosition += SampleRate / 60
 	}

image.go

@@ -21,7 +21,6 @@ import (
 	"github.com/hajimehoshi/ebiten/internal/graphics/internal/opengl"
 	"image"
 	"image/color"
-	"math"
 )
 
 // Image represents an image.
@@ -46,15 +45,8 @@ func (i *Image) Clear() (err error) {
 // Fill fills the image with a solid color.
 func (i *Image) Fill(clr color.Color) (err error) {
 	i.pixels = nil
-	cr, cg, cb, ca := clr.RGBA()
-	const max = math.MaxUint16
-	r := float64(cr) / max
-	g := float64(cg) / max
-	b := float64(cb) / max
-	a := float64(ca) / max
 	useGLContext(func(c *opengl.Context) {
-		// TODO: Change to pass color.Color
-		err = i.framebuffer.Fill(c, r, g, b, a)
+		err = i.framebuffer.Fill(c, clr)
 	})
 	return
 }
@@ -187,7 +179,8 @@ func (i *Image) dispose() {
 //
 // This function may be slow (as for implementation, this calls glTexSubImage2D).
 func (i *Image) ReplacePixels(p []uint8) error {
-	// TODO: Can we set p to pixels?
+	// Don't set i.pixels here because i.pixels is used not every time.
+
 	i.pixels = nil
 	w, h := i.Size()
 	l := 4 * w * h

imageparts.go

@@ -33,7 +33,7 @@ type ImageParts interface {
 	Src(i int) (x0, y0, x1, y1 int)
 }
 
-// TODO: Remove this in the future.
+// NOTE: Remove this in the future.
 type imageParts []ImagePart
 
 func (p imageParts) Len() int {

internal/graphics/draw.go

@@ -38,7 +38,7 @@ var vertices = make([]int16, 0, 4*8*quadsMaxNum)
 var shadersInitialized = false
 
 func drawTexture(c *opengl.Context, texture opengl.Texture, projectionMatrix *[4][4]float64, quads TextureQuads, geo Matrix, color Matrix) error {
-	// TODO: WebGL doesn't seem to have Check gl.MAX_ELEMENTS_VERTICES or gl.MAX_ELEMENTS_INDICES so far.
+	// NOTE: WebGL doesn't seem to have Check gl.MAX_ELEMENTS_VERTICES or gl.MAX_ELEMENTS_INDICES so far.
 	// Let's use them to compare to len(quads) in the future.
 
 	if !shadersInitialized {

internal/graphics/framebuffer.go

@@ -17,6 +17,7 @@ package graphics
 import (
 	"github.com/hajimehoshi/ebiten/internal/graphics/internal/opengl"
 	"image/color"
+	"math"
 )
 
 type TextureQuads interface {
@@ -109,10 +110,16 @@ func (f *Framebuffer) projectionMatrix() *[4][4]float64 {
 	return m
 }
 
-func (f *Framebuffer) Fill(c *opengl.Context, r, g, b, a float64) error {
+func (f *Framebuffer) Fill(c *opengl.Context, clr color.Color) error {
 	if err := f.setAsViewport(c); err != nil {
 		return err
 	}
+	cr, cg, cb, ca := clr.RGBA()
+	const max = math.MaxUint16
+	r := float64(cr) / max
+	g := float64(cg) / max
+	b := float64(cb) / max
+	a := float64(ca) / max
 	return c.FillFramebuffer(r, g, b, a)
 }
 

internal/ui/ui_js.go

@@ -65,8 +65,7 @@ type userInterface struct{}
 
 var currentUI = &userInterface{}
 
-// TODO: This returns true even when the browser is not active.
-// The current behavior causes sound noise...
+// NOTE: This returns true even when the browser is not active.
 func shown() bool {
 	return !js.Global.Get("document").Get("hidden").Bool()
 }
@@ -179,7 +178,7 @@ func Init() {
 	})
 
 	// Touch (emulating mouse events)
-	// TODO: Need to create indimendent touch functions?
+	// TODO: Create indimendent touch functions
 	canvas.Call("addEventListener", "touchstart", func(e js.Object) {
 		e.Call("preventDefault")
 		currentInput.MouseDown(0)
@@ -208,7 +207,7 @@ func Init() {
 }
 
 func setMouseCursorFromEvent(e js.Object) {
-	scale := canvas.Get("dataset").Get("ebitenScale").Int() // TODO: Float?
+	scale := canvas.Get("dataset").Get("ebitenScale").Int()
 	rect := canvas.Call("getBoundingClientRect")
 	x, y := e.Get("clientX").Int(), e.Get("clientY").Int()
 	x -= rect.Get("left").Int()

run.go

@@ -103,8 +103,7 @@ func Run(f func(*Image) error, width, height, scale int, title string) error {
 		if err := graphicsContext.postUpdate(); err != nil {
 			return err
 		}
-		// TODO: I'm not sure this is 'Update'. Is 'Tick' better?
-		audio.Update()
+		audio.Tick()
 		ui.SwapBuffers()
 		if err != nil {
 			return err
@@ -144,5 +143,3 @@ func SetScreenScale(scale int) {
 	}
 	runContext.newScreenScale = scale
 }
-
-// TODO: Create SetScreenPosition (for GLFW)