fix typos (#2227)

audio/buffersize_js.go

@@ -21,7 +21,7 @@ import (
 var isGo2Cpp bool = js.Global().Get("go2cpp").Truthy()
 
 func bufferSize() int {
-	// On some devices targetted by go2cpp, 8192 is not enough. Use x2 bytes.
+	// On some devices targeted by go2cpp, 8192 is not enough. Use x2 bytes.
 	if isGo2Cpp {
 		return 16384
 	}

examples/camera/main.go

@@ -111,7 +111,7 @@ func (c *Camera) ScreenToWorld(posX, posY int) (float64, float64) {
 		inverseMatrix.Invert()
 		return inverseMatrix.Apply(float64(posX), float64(posY))
 	} else {
-		// When scaling it can happend that matrix is not invertable
+		// When scaling it can happened that matrix is not invertable
 		return math.NaN(), math.NaN()
 	}
 }

examples/contextlost/main.go

@@ -63,7 +63,7 @@ func (g *Game) Draw(screen *ebiten.Image) {
 	if g.lost {
 		// When the context is lost, skip rendering. Usually this logic should not be required, but when the
 		// context lost happens by the API explicitly, Draw can be called even after the data in GPU
-		// disappered.
+		// disappeared.
 		return
 	}
 

examples/mascot/main.go

@@ -100,7 +100,7 @@ func (m *mascot) Update() error {
 		m.vx16 = 64
 	}
 
-	// Accelarate the mascot in the Y direction.
+	// Accelerate the mascot in the Y direction.
 	m.vy16 += 8
 	m.y16 += m.vy16
 

examples/ui/main.go

@@ -78,8 +78,8 @@ const (
 	imageTypeButton imageType = iota
 	imageTypeButtonPressed
 	imageTypeTextBox
-	imageTypeVScollBarBack
-	imageTypeVScollBarFront
+	imageTypeVScrollBarBack
+	imageTypeVScrollBarFront
 	imageTypeCheckBox
 	imageTypeCheckBoxPressed
 	imageTypeCheckBoxMark
@@ -89,8 +89,8 @@ var imageSrcRects = map[imageType]image.Rectangle{
 	imageTypeButton:          image.Rect(0, 0, 16, 16),
 	imageTypeButtonPressed:   image.Rect(16, 0, 32, 16),
 	imageTypeTextBox:         image.Rect(0, 16, 16, 32),
-	imageTypeVScollBarBack:   image.Rect(16, 16, 24, 32),
-	imageTypeVScollBarFront:  image.Rect(24, 16, 32, 32),
+	imageTypeVScrollBarBack:  image.Rect(16, 16, 24, 32),
+	imageTypeVScrollBarFront: image.Rect(24, 16, 32, 32),
 	imageTypeCheckBox:        image.Rect(0, 32, 16, 48),
 	imageTypeCheckBoxPressed: image.Rect(16, 32, 32, 48),
 	imageTypeCheckBoxMark:    image.Rect(32, 32, 48, 48),
@@ -284,10 +284,10 @@ func (v *VScrollBar) Update(contentHeight int) {
 
 func (v *VScrollBar) Draw(dst *ebiten.Image) {
 	sd := image.Rect(v.X, v.Y, v.X+VScrollBarWidth, v.Y+v.Height)
-	drawNinePatches(dst, sd, imageSrcRects[imageTypeVScollBarBack])
+	drawNinePatches(dst, sd, imageSrcRects[imageTypeVScrollBarBack])
 
 	if v.thumbRate < 1 {
-		drawNinePatches(dst, v.thumbRect(), imageSrcRects[imageTypeVScollBarFront])
+		drawNinePatches(dst, v.thumbRect(), imageSrcRects[imageTypeVScrollBarFront])
 	}
 }
 

image_test.go

@@ -623,7 +623,7 @@ func BenchmarkDrawImage(b *testing.B) {
 	}
 }
 
-func TestImageLinearGradiation(t *testing.T) {
+func TestImageLinearGraduation(t *testing.T) {
 	img0 := ebiten.NewImage(2, 2)
 	img0.ReplacePixels([]byte{
 		0xff, 0x00, 0x00, 0xff,

internal/gamepad/gamepad_js.go

@@ -164,7 +164,7 @@ func (g *nativeGamepadImpl) hatState(hat int) int {
 }
 
 func (g *nativeGamepadImpl) vibrate(duration time.Duration, strongMagnitude float64, weakMagnitude float64) {
-	// vibrationActuator is avaialble on Chrome.
+	// vibrationActuator is available on Chrome.
 	if va := g.value.Get("vibrationActuator"); va.Truthy() {
 		if !va.Get("playEffect").Truthy() {
 			return

internal/graphicscommand/command.go

@@ -107,7 +107,7 @@ func (q *commandQueue) appendIndices(indices []uint16, offset uint16) {
 	q.nindices += len(indices)
 }
 
-// mustUseDifferentVertexBuffer reports whether a differnt vertex buffer must be used.
+// mustUseDifferentVertexBuffer reports whether a different vertex buffer must be used.
 func mustUseDifferentVertexBuffer(nextNumVertexFloats, nextNumIndices int) bool {
 	return nextNumVertexFloats > graphics.IndicesCount*graphics.VertexFloatCount || nextNumIndices > graphics.IndicesCount
 }

internal/graphicsdriver/directx/graphics_windows.go

@@ -33,7 +33,7 @@ import (
 
 const frameCount = 2
 
-// NewGraphics creates an implementation of graphicsdriver.Graphcis for DirectX.
+// NewGraphics creates an implementation of graphicsdriver.Graphics for DirectX.
 // The returned graphics value is nil iff the error is not nil.
 func NewGraphics() (graphicsdriver.Graphics, error) {
 	const is64bit = uint64(^uintptr(0)) == ^uint64(0)
@@ -974,7 +974,7 @@ func (g *Graphics) SetVertices(vertices []float32, indices []uint16) (ferr error
 		g.vertices[g.frameIndex] = append(g.vertices[g.frameIndex], nil)
 	}
 	if g.vertices[g.frameIndex][vidx] == nil {
-		// TODO: Use the default heap for efficienty. See the official example HelloTriangle.
+		// TODO: Use the default heap for efficiently. See the official example HelloTriangle.
 		vs, err := createBuffer(g.device, graphics.IndicesCount*graphics.VertexFloatCount*uint64(unsafe.Sizeof(float32(0))), _D3D12_HEAP_TYPE_UPLOAD)
 		if err != nil {
 			return err

internal/graphicsdriver/metal/graphics_darwin.go

@@ -351,7 +351,7 @@ func init() {
 	creatingSystemDefaultDeviceSucceeded = ok
 }
 
-// NewGraphics creates an implementation of graphicsdriver.Graphcis for Metal.
+// NewGraphics creates an implementation of graphicsdriver.Graphics for Metal.
 // The returned graphics value is nil iff the error is not nil.
 func NewGraphics() (graphicsdriver.Graphics, error) {
 	// On old mac devices like iMac 2011, Metal is not supported (#779).

internal/graphicsdriver/opengl/gl/README.md

@@ -2,4 +2,4 @@ This is a fork of `github.com/go-gl/gl/v2.1/gl` with the below patch. This is no
 
 The original version is generated from `github.com/hajimehoshi/glow`'s `nocgo` branch. This enables to remove dependencies on Cgo on Windows.
 
-Now we are working on commiting this 'no-cgo' change to the official gl package. See https://github.com/go-gl/glow/pull/102.
+Now we are working on committing this 'no-cgo' change to the official gl package. See https://github.com/go-gl/glow/pull/102.

internal/graphicsdriver/opengl/graphics.go

@@ -23,7 +23,7 @@ import (
 	"github.com/hajimehoshi/ebiten/v2/internal/shaderir"
 )
 
-// NewGraphics creates an implementation of graphicsdriver.Graphcis for OpenGL.
+// NewGraphics creates an implementation of graphicsdriver.Graphics for OpenGL.
 // The returned graphics value is nil iff the error is not nil.
 func NewGraphics() (graphicsdriver.Graphics, error) {
 	if microsoftgdk.IsXbox() {

internal/shader/expr.go

@@ -487,7 +487,7 @@ func (cs *compileState) parseExpr(block *block, expr ast.Expr, markLocalVariable
 		}
 
 		if callee.Type != shaderir.FunctionExpr {
-			cs.addError(e.Pos(), fmt.Sprintf("function callee must be a funciton name but %s", e.Fun))
+			cs.addError(e.Pos(), fmt.Sprintf("function callee must be a function name but %s", e.Fun))
 			return nil, nil, nil, false
 		}
 

internal/shader/shader.go

@@ -685,12 +685,12 @@ func (cs *compileState) parseFunc(block *block, d *ast.FuncDecl) (function, bool
 
 	checkVaryings := func(vs []variable) {
 		if len(cs.ir.Varyings) != len(vs) {
-			cs.addError(d.Pos(), fmt.Sprintf("the number of vertex entry point's returning values and the number of framgent entry point's params must be the same"))
+			cs.addError(d.Pos(), fmt.Sprintf("the number of vertex entry point's returning values and the number of fragment entry point's params must be the same"))
 			return
 		}
 		for i, t := range cs.ir.Varyings {
 			if t.Main != vs[i].typ.Main {
-				cs.addError(d.Pos(), fmt.Sprintf("vertex entry point's returning value types and framgent entry point's param types must match"))
+				cs.addError(d.Pos(), fmt.Sprintf("vertex entry point's returning value types and fragment entry point's param types must match"))
 			}
 		}
 	}

internal/ui/ui_glfw.go

@@ -1315,7 +1315,7 @@ func (u *userInterfaceImpl) setWindowSizeInDIPImpl(width, height int, fullscreen
 			v := m.GetVideoMode()
 			u.window.SetMonitor(m, 0, 0, v.Width, v.Height, v.RefreshRate)
 
-			// Swapping buffer is necesary to prevent the image lag (#1004).
+			// Swapping buffer is necessary to prevent the image lag (#1004).
 			// TODO: This might not work when vsync is disabled.
 			if u.graphicsDriver.IsGL() {
 				glfw.PollEvents()

text/text.go

@@ -388,7 +388,7 @@ func (f faceWithLineHeight) Metrics() font.Metrics {
 	return m
 }
 
-// Glyphs is infomation to render one glyph.
+// Glyphs is information to render one glyph.
 type Glyph struct {
 	// Rune is a character for this glyph.
 	Rune rune