feat: render net

internal/ball.go

@@ -22,8 +22,8 @@ type ball struct {
 
 const (
 	ballBaseRadius = 5
-	ballBaseSpeedX = 1.5
-	ballBaseSpeedY = 1.5
+	ballBaseSpeedX = 1.25
+	ballBaseSpeedY = 1.25
 )
 
 func newBall(screenWidth, screenHeight int) *ball {

internal/match.go

@@ -22,6 +22,7 @@ type match struct {
 	ball        *ball
 	leftPaddle  *paddle
 	rightPaddle *paddle
+	net         *net
 	score       *score
 	fonts       *fonts
 }
@@ -31,6 +32,7 @@ func newMatch(screenWidth, screenHeight int, f *fonts) *match {
 		ball:        newBall(screenWidth, screenHeight),
 		leftPaddle:  newLeftPaddle(screenWidth, screenHeight, true),
 		rightPaddle: newRightPaddle(screenWidth, screenHeight, false),
+		net:         &net{},
 		score: &score{
 			fonts: f,
 		},
@@ -59,6 +61,7 @@ func (m *match) draw(img *ebiten.Image) {
 		m.leftPaddle.draw(img)
 		m.rightPaddle.draw(img)
 		m.score.draw(img)
+		m.net.draw(img)
 	case matchStatusEnded:
 		bounds := img.Bounds()
 		winLoseMessage := "You win!"

internal/net.go

@@ -0,0 +1,24 @@
+package internal
+
+import (
+	"image/color"
+
+	"github.com/hajimehoshi/ebiten/v2"
+	"github.com/hajimehoshi/ebiten/v2/vector"
+)
+
+type net struct {
+}
+
+func (n *net) draw(img *ebiten.Image) {
+	bounds := img.Bounds()
+
+	dy := float32(bounds.Dy())
+	dx := float32(bounds.Dx())
+	height := dy / 29
+	width := 1 * dx / BaseWidth
+
+	for offset := float32(0); offset < dy; offset += height * 2 {
+		vector.DrawFilledRect(img, dx/2-width/2, offset, width, height, color.White, false)
+	}
+}

internal/paddle.go

@@ -43,7 +43,7 @@ func newLeftPaddle(screenWidth, screenHeight int, isControlledByPlayer bool) *pa
 
 const (
 	paddleBaseWidth  = 10
-	paddleBaseHeight = 100
+	paddleBaseHeight = 75
 	paddleBaseSpeed  = 1
 )
 

internal/score.go

@@ -6,7 +6,6 @@ import (
 	"strconv"
 
 	"github.com/hajimehoshi/ebiten/v2"
-	"github.com/hajimehoshi/ebiten/v2/text"
 )
 
 type score struct {
@@ -20,8 +19,8 @@ var scoreTextColor = color.White
 func (s *score) draw(img *ebiten.Image) {
 	bounds := img.Bounds()
 	y := bounds.Max.Y / 4
-	text.Draw(img, strconv.Itoa(s.left), s.fonts.robotoRegularFont, bounds.Max.X/4, y, scoreTextColor)
-	text.Draw(img, strconv.Itoa(s.right), s.fonts.robotoRegularFont, bounds.Max.X*3/4, y, scoreTextColor)
+	drawCenteredText(img, strconv.Itoa(s.left), s.fonts.robotoRegularFont, bounds.Max.X/4, y, scoreTextColor)
+	drawCenteredText(img, strconv.Itoa(s.right), s.fonts.robotoRegularFont, bounds.Max.X*3/4, y, scoreTextColor)
 }
 
 func (s *score) update(