Merge branch 'master' into clipTris

README.md

@@ -108,8 +108,9 @@ Here's the list of the main features in Pixel. Although Pixel is still under hea
  ## Related repositories
 
  Here are some packages which use Pixel:
- - [TilePix](https://github.com/bcvery1/tilepix) Makes handling TMX files built with [Tiled](https://www.mapeditor.org/)
+ - [TilePix](https://github.com/bcvery1/tilepix) Makes handling TMX files built with [Tiled](https://www.mapeditor.org/) trivially easy to work with using Pixel.
- trivially easy to work with using Pixel.
+ - [spriteplus](https://github.com/cebarks/spriteplus) Basic `SpriteSheet` and `Animation` implementations
+ - [pixelutils](https://github.com/dusk125/pixelutils) Variety of game related utilities (sprite packer, id generator, ticker, sprite loader, voronoia diagrams)
 
 ## Missing features
 

data.go

@@ -8,17 +8,15 @@ import (
 	"math"
 )
 
-var (
+// zeroValueTriangleData is the default value of a TriangleData element
-	// zeroValueTriangleData is the default value of a TriangleData element
+var zeroValueTriangleData = struct {
-	zeroValueTriangleData = struct {
+	Position  Vec
-		Position  Vec
+	Color     RGBA
-		Color     RGBA
+	Picture   Vec
-		Picture   Vec
+	Intensity float64
-		Intensity float64
+	ClipRect  Rect
-		ClipRect  Rect
+	IsClipped bool
-		IsClipped bool
+}{Color: RGBA{1, 1, 1, 1}}
-	}{Color: RGBA{1, 1, 1, 1}}
-)
 
 // TrianglesData specifies a list of Triangles vertices with three common properties:
 // TrianglesPosition, TrianglesColor and TrianglesPicture.

geometry_test.go

@@ -1236,7 +1236,8 @@ func TestLine_Intersect(t *testing.T) {
 			args:   args{k: pixel.L(pixel.V(0, 1), pixel.V(10, 11))},
 			want:   pixel.ZV,
 			want1:  false,
-		}, {
+		},
+		{
 			name:   "Lines intersect",
 			fields: fields{A: pixel.V(600, 600), B: pixel.V(925, 150)},
 			args:   args{k: pixel.L(pixel.V(740, 255), pixel.V(925, 255))},

imdraw/imdraw.go

@@ -128,9 +128,9 @@ func (imd *IMDraw) Draw(t pixel.Target) {
 // Push adds some points to the IM queue. All Pushed points will have the same properties except for
 // the position.
 func (imd *IMDraw) Push(pts ...pixel.Vec) {
-	//Assert that Color is of type pixel.RGBA,
+	// Assert that Color is of type pixel.RGBA,
 	if _, ok := imd.Color.(pixel.RGBA); !ok {
-		//otherwise cast it
+		// otherwise cast it
 		imd.Color = pixel.ToRGBA(imd.Color)
 	}
 	opts := point{

pixel_test.go

@@ -12,31 +12,31 @@ import (
 	"github.com/faiface/pixel/pixelgl"
 )
 
-var (
+// onePixelImage is the byte representation of a 1x1 solid white png file
-	// onePixelImage is the byte representation of a 1x1 solid white png file
+var onePixelImage = []byte{
-	onePixelImage = []byte{137, 80, 78, 71, 13, 10, 26, 10, 0, 0, 0, 13, 73, 72, 68, 82, 0, 0, 0, 1, 0, 0, 0, 1, 8, 2,
+	137, 80, 78, 71, 13, 10, 26, 10, 0, 0, 0, 13, 73, 72, 68, 82, 0, 0, 0, 1, 0, 0, 0, 1, 8, 2,
-		0, 0, 0, 144, 119, 83, 222, 0, 0, 1, 130, 105, 67, 67, 80, 73, 67, 67, 32, 112, 114, 111, 102, 105, 108, 101, 0,
+	0, 0, 0, 144, 119, 83, 222, 0, 0, 1, 130, 105, 67, 67, 80, 73, 67, 67, 32, 112, 114, 111, 102, 105, 108, 101, 0,
-		0, 40, 145, 125, 145, 59, 72, 3, 65, 20, 69, 143, 73, 68, 17, 37, 133, 41, 68, 44, 182, 80, 43, 5, 81, 17, 75,
+	0, 40, 145, 125, 145, 59, 72, 3, 65, 20, 69, 143, 73, 68, 17, 37, 133, 41, 68, 44, 182, 80, 43, 5, 81, 17, 75,
-		141, 66, 16, 34, 132, 168, 96, 212, 194, 221, 141, 137, 66, 118, 13, 187, 9, 54, 150, 130, 109, 192, 194, 79,
+	141, 66, 16, 34, 132, 168, 96, 212, 194, 221, 141, 137, 66, 118, 13, 187, 9, 54, 150, 130, 109, 192, 194, 79,
-		227, 175, 176, 177, 214, 214, 194, 86, 16, 4, 63, 32, 54, 182, 86, 138, 54, 18, 214, 55, 73, 32, 65, 140, 3,
+	227, 175, 176, 177, 214, 214, 194, 86, 16, 4, 63, 32, 54, 182, 86, 138, 54, 18, 214, 55, 73, 32, 65, 140, 3,
-		195, 28, 238, 188, 123, 121, 243, 6, 124, 71, 25, 211, 114, 3, 3, 96, 217, 57, 39, 30, 9, 107, 243, 137, 5, 173,
+	195, 28, 238, 188, 123, 121, 243, 6, 124, 71, 25, 211, 114, 3, 3, 96, 217, 57, 39, 30, 9, 107, 243, 137, 5, 173,
-		233, 149, 0, 65, 90, 104, 0, 221, 116, 179, 227, 177, 88, 148, 186, 235, 235, 94, 213, 193, 93, 191, 202, 170,
+	233, 149, 0, 65, 90, 104, 0, 221, 116, 179, 227, 177, 88, 148, 186, 235, 235, 94, 213, 193, 93, 191, 202, 170,
-		95, 247, 231, 106, 75, 174, 184, 38, 52, 104, 194, 99, 102, 214, 201, 9, 47, 11, 143, 108, 228, 178, 138, 247,
+	95, 247, 231, 106, 75, 174, 184, 38, 52, 104, 194, 99, 102, 214, 201, 9, 47, 11, 143, 108, 228, 178, 138, 247,
-		132, 67, 230, 170, 158, 20, 62, 23, 238, 115, 164, 65, 225, 71, 165, 27, 101, 126, 83, 156, 46, 177, 79, 101,
+	132, 67, 230, 170, 158, 20, 62, 23, 238, 115, 164, 65, 225, 71, 165, 27, 101, 126, 83, 156, 46, 177, 79, 101,
-		134, 156, 217, 248, 132, 112, 72, 88, 75, 215, 176, 81, 195, 230, 170, 99, 9, 15, 11, 119, 39, 45, 91, 242, 125,
+	134, 156, 217, 248, 132, 112, 72, 88, 75, 215, 176, 81, 195, 230, 170, 99, 9, 15, 11, 119, 39, 45, 91, 242, 125,
-		243, 101, 78, 42, 222, 84, 108, 101, 242, 102, 165, 79, 245, 194, 214, 21, 123, 110, 70, 233, 178, 187, 136, 48,
+	243, 101, 78, 42, 222, 84, 108, 101, 242, 102, 165, 79, 245, 194, 214, 21, 123, 110, 70, 233, 178, 187, 136, 48,
-		197, 52, 49, 52, 12, 242, 172, 145, 33, 71, 191, 156, 182, 40, 46, 113, 185, 15, 215, 241, 119, 150, 252, 49,
+	197, 52, 49, 52, 12, 242, 172, 145, 33, 71, 191, 156, 182, 40, 46, 113, 185, 15, 215, 241, 119, 150, 252, 49,
-		113, 25, 226, 90, 195, 20, 199, 36, 235, 88, 232, 37, 63, 234, 15, 126, 207, 214, 77, 13, 13, 150, 147, 90, 195,
+	113, 25, 226, 90, 195, 20, 199, 36, 235, 88, 232, 37, 63, 234, 15, 126, 207, 214, 77, 13, 13, 150, 147, 90, 195,
-		208, 248, 226, 121, 31, 61, 208, 180, 3, 197, 130, 231, 125, 31, 123, 94, 241, 4, 252, 207, 112, 101, 87, 253,
+	208, 248, 226, 121, 31, 61, 208, 180, 3, 197, 130, 231, 125, 31, 123, 94, 241, 4, 252, 207, 112, 101, 87, 253,
-		235, 71, 48, 250, 41, 122, 161, 170, 117, 31, 66, 112, 11, 46, 174, 171, 154, 177, 11, 151, 219, 208, 241, 148,
+	235, 71, 48, 250, 41, 122, 161, 170, 117, 31, 66, 112, 11, 46, 174, 171, 154, 177, 11, 151, 219, 208, 241, 148,
-		213, 29, 189, 36, 249, 101, 251, 82, 41, 120, 63, 147, 111, 74, 64, 251, 45, 180, 44, 150, 231, 86, 185, 231,
+	213, 29, 189, 36, 249, 101, 251, 82, 41, 120, 63, 147, 111, 74, 64, 251, 45, 180, 44, 150, 231, 86, 185, 231,
-		244, 1, 102, 101, 86, 209, 27, 216, 63, 128, 222, 180, 100, 47, 213, 121, 119, 115, 237, 220, 254, 173, 169,
+	244, 1, 102, 101, 86, 209, 27, 216, 63, 128, 222, 180, 100, 47, 213, 121, 119, 115, 237, 220, 254, 173, 169,
-		204, 239, 7, 178, 211, 114, 90, 10, 150, 157, 65, 0, 0, 0, 9, 112, 72, 89, 115, 0, 0, 46, 35, 0, 0, 46, 35, 1,
+	204, 239, 7, 178, 211, 114, 90, 10, 150, 157, 65, 0, 0, 0, 9, 112, 72, 89, 115, 0, 0, 46, 35, 0, 0, 46, 35, 1,
-		120, 165, 63, 118, 0, 0, 0, 7, 116, 73, 77, 69, 7, 227, 4, 15, 10, 5, 36, 189, 4, 224, 88, 0, 0, 0, 25, 116, 69,
+	120, 165, 63, 118, 0, 0, 0, 7, 116, 73, 77, 69, 7, 227, 4, 15, 10, 5, 36, 189, 4, 224, 88, 0, 0, 0, 25, 116, 69,
-		88, 116, 67, 111, 109, 109, 101, 110, 116, 0, 67, 114, 101, 97, 116, 101, 100, 32, 119, 105, 116, 104, 32, 71,
+	88, 116, 67, 111, 109, 109, 101, 110, 116, 0, 67, 114, 101, 97, 116, 101, 100, 32, 119, 105, 116, 104, 32, 71,
-		73, 77, 80, 87, 129, 14, 23, 0, 0, 0, 12, 73, 68, 65, 84, 8, 215, 99, 120, 241, 226, 61, 0, 5, 123, 2, 192, 194,
+	73, 77, 80, 87, 129, 14, 23, 0, 0, 0, 12, 73, 68, 65, 84, 8, 215, 99, 120, 241, 226, 61, 0, 5, 123, 2, 192, 194,
-		77, 211, 95, 0, 0, 0, 0, 73, 69, 78, 68, 174, 66, 96, 130}
+	77, 211, 95, 0, 0, 0, 0, 73, 69, 78, 68, 174, 66, 96, 130,
-)
+}
 
 func TestMain(m *testing.M) {
 	pixelgl.Run(func() {

pixelgl/canvas.go

@@ -133,7 +133,7 @@ func (c *Canvas) SetBounds(bounds pixel.Rect) {
 		c.sprite = pixel.NewSprite(nil, pixel.Rect{})
 	}
 	c.sprite.Set(c, c.Bounds())
-	//c.sprite.SetMatrix(pixel.IM.Moved(c.Bounds().Center()))
+	// c.sprite.SetMatrix(pixel.IM.Moved(c.Bounds().Center()))
 }
 
 // Bounds returns the rectangular bounds of the Canvas.

pixelgl/glshader.go

@@ -42,11 +42,11 @@ const (
 )
 
 var defaultCanvasVertexFormat = glhf.AttrFormat{
-	canvasPosition:  {Name: "aPosition", Type: glhf.Vec2},
+	canvasPosition:  glhf.Attr{Name: "aPosition", Type: glhf.Vec2},
-	canvasColor:     {Name: "aColor", Type: glhf.Vec4},
+	canvasColor:     glhf.Attr{Name: "aColor", Type: glhf.Vec4},
-	canvasTexCoords: {Name: "aTexCoords", Type: glhf.Vec2},
+	canvasTexCoords: glhf.Attr{Name: "aTexCoords", Type: glhf.Vec2},
-	canvasIntensity: {Name: "aIntensity", Type: glhf.Float},
+	canvasIntensity: glhf.Attr{Name: "aIntensity", Type: glhf.Float},
-	canvasClip:      {Name: "aClipRect", Type: glhf.Vec4},
+  canvasClip:      glhf.Attr{Name: "aClipRect", Type: glhf.Vec4},
 }
 
 // Sets up a base shader with everything needed for a Pixel
@@ -71,13 +71,14 @@ func NewGLShader(fragmentShader string) *GLShader {
 
 // Update reinitialize GLShader data and recompile the underlying gl shader object
 func (gs *GLShader) Update() {
-	gs.uf = nil
+	gs.uf = make([]glhf.Attr, len(gs.uniforms))
-	for _, u := range gs.uniforms {
+	for idx := range gs.uniforms {
-		gs.uf = append(gs.uf, glhf.Attr{
+		gs.uf[idx] = glhf.Attr{
-			Name: u.Name,
+			Name: gs.uniforms[idx].Name,
-			Type: u.Type,
+			Type: gs.uniforms[idx].Type,
-		})
+		}
 	}
+
 	var shader *glhf.Shader
 	mainthread.Call(func() {
 		var err error

pixelgl/input.go

@@ -13,14 +13,14 @@ func (w *Window) Pressed(button Button) bool {
 	return w.currInp.buttons[button]
 }
 
-// JustPressed returns whether the Button has just been pressed down.
+// JustPressed returns whether the Button has been pressed in the last frame.
 func (w *Window) JustPressed(button Button) bool {
-	return w.currInp.buttons[button] && !w.prevInp.buttons[button]
+	return w.pressEvents[button]
 }
 
-// JustReleased returns whether the Button has just been released up.
+// JustReleased returns whether the Button has been released in the last frame.
 func (w *Window) JustReleased(button Button) bool {
-	return !w.currInp.buttons[button] && w.prevInp.buttons[button]
+	return w.releaseEvents[button]
 }
 
 // Repeated returns whether a repeat event has been triggered on button.
@@ -362,8 +362,10 @@ func (w *Window) initInput() {
 		w.window.SetMouseButtonCallback(func(_ *glfw.Window, button glfw.MouseButton, action glfw.Action, mod glfw.ModifierKey) {
 			switch action {
 			case glfw.Press:
+				w.tempPressEvents[Button(button)] = true
 				w.tempInp.buttons[Button(button)] = true
 			case glfw.Release:
+				w.tempReleaseEvents[Button(button)] = true
 				w.tempInp.buttons[Button(button)] = false
 			}
 		})
@@ -374,8 +376,10 @@ func (w *Window) initInput() {
 			}
 			switch action {
 			case glfw.Press:
+				w.tempPressEvents[Button(key)] = true
 				w.tempInp.buttons[Button(key)] = true
 			case glfw.Release:
+				w.tempReleaseEvents[Button(key)] = true
 				w.tempInp.buttons[Button(key)] = false
 			case glfw.Repeat:
 				w.tempInp.repeat[Button(key)] = true
@@ -431,6 +435,12 @@ func (w *Window) doUpdateInput() {
 	w.prevInp = w.currInp
 	w.currInp = w.tempInp
 
+	w.pressEvents = w.tempPressEvents
+	w.releaseEvents = w.tempReleaseEvents
+
+	// Clear last frame's temporary status
+	w.tempPressEvents = [KeyLast + 1]bool{}
+	w.tempReleaseEvents = [KeyLast + 1]bool{}
 	w.tempInp.repeat = [KeyLast + 1]bool{}
 	w.tempInp.scroll = pixel.ZV
 	w.tempInp.typed = ""

pixelgl/window.go

@@ -100,6 +100,9 @@ type Window struct {
 		typed   string
 	}
 
+	pressEvents, tempPressEvents     [KeyLast + 1]bool
+	releaseEvents, tempReleaseEvents [KeyLast + 1]bool
+
 	prevJoy, currJoy, tempJoy joystickState
 }
 
@@ -205,6 +208,17 @@ func (w *Window) Update() {
 	w.UpdateInput()
 }
 
+// ClipboardText returns the current value of the systems clipboard.
+func (w *Window) ClipboardText() string {
+	return w.window.GetClipboardString()
+}
+
+// SetClipboardText passes the given string to the underlying glfw window to set the
+//	systems clipboard.
+func (w *Window) SetClipboardText(text string) {
+	w.window.SetClipboardString(text)
+}
+
 // SwapBuffers swaps buffers. Call this to swap buffers without polling window events.
 // Note that Update invokes SwapBuffers.
 func (w *Window) SwapBuffers() {

text/text_test.go

@@ -76,7 +76,7 @@ func BenchmarkTextWrite(b *testing.B) {
 		b.Run(fmt.Sprintf("%d", len(chunk)), func(b *testing.B) {
 			txt := text.New(pixel.ZV, atlas)
 			for i := 0; i < b.N; i++ {
-				txt.Write(chunk)
+				_, _ = txt.Write(chunk)
 			}
 		})
 	}