color setting, drawing

README.md

@@ -1,16 +1,16 @@
-# ballsoffline
+# Balls Offline
 
-a game inspired by balls online 
+A game inspired by [balls online](https://balls-online-plus.onrender.com/) 
 
-## user/account settings
+## Setting up Balls Offline
 
-you need to make user/account on account.json, you can look example file [account.def.json](./account.def.json)
+To play first create an accounts.json, you can look example file [account.def.json](./account.def.json)
 
-if you're on linux, you can do:
+If you're on linux, you can do:
 ```bash
-echo '{"username":"'$USER'"}' > account.json
+echo '{"username":"'$USER'","color":"000000"}' > account.json
 ```
 
-## credits
+## Credits
 
 [guessy](./guessy4.ttf) is made by dottych

account.def.json

@@ -1,3 +1,4 @@
 {
-	"username": "USERNAME HERE"
+	"username": "USERNAME HERE",
+	"color": "000000"
 }

bf.go

@@ -16,6 +16,7 @@ const (
 
 var (
 	ballpos    = rl.Vector2{X: 400, Y: 225}
+	ballColor  = rl.Black
 	speed      = 3
 	squareSize = 100
 	squares    = []rl.Vector2{{X: 640 - float32(squareSize), Y: 315}, {X: 640, Y: 315}, {X: 640 + float32(squareSize), Y: 315}, {X: 640, Y: 315 - float32(squareSize)}, {X: 640, Y: 315 - float32(squareSize)*2}}
@@ -23,8 +24,9 @@ var (
 )
 
 func main() {
-	userdata := loadJson("account.json")
-	checkUserdataValid(userdata)
+	userData := loadJson("account.json")
+	checkUserDataValid(userData)
+	ballColor = convertHex(userData["color"].(string))
 
 	rl.InitWindow(screenWidth, screenHeight, "balls offline")
 	guessy4 := rl.LoadFont("guessy4.ttf")
@@ -35,27 +37,13 @@ func main() {
 		rl.BeginDrawing()
 		rl.ClearBackground(rl.NewColor(128, 128, 128, 255))
 
-		for index, element := range squares {
-			if debug {
-				fmt.Println(index, element.X)
-			}
-
-			rl.DrawRectangleV(element, rl.Vector2{X: float32(squareSize), Y: float32(squareSize)}, rl.LightGray)
-		}
-
-		if rl.IsKeyDown(rl.KeyLeftShift) {
-			draw()
-		}
-
+		drawSquares()
+		drawPaint()
 		drawPosition(ballpos, rl.Vector2{X: 10, Y: screenHeight - 20}, guessy4)
-		drawBall(ballpos, rl.Black, rl.White)
+		drawBall(ballpos, ballColor, rl.White)
 		moveBall()
 
-		drawTextShadow(userdata["username"].(string), rl.Vector2{X: ballpos.X - ballRadius - 24, Y: ballpos.Y - ballRadius - 40}, guessy4)
-		for paint := range paints {
-			rl.DrawRectangleV(paint.location, ballRadius, rl.Black)
-		}
-		drawTextShadow("your name", rl.Vector2{X: ballpos.X - ballRadius - 24, Y: ballpos.Y - ballRadius - 40}, guessy4)
+		drawTextShadow(userData["username"].(string), rl.Vector2{X: ballpos.X - ballRadius - 24, Y: ballpos.Y - ballRadius - 40}, guessy4)
 
 		rl.EndDrawing()
 
@@ -64,11 +52,41 @@ func main() {
 	rl.CloseAudioDevice()
 	rl.CloseWindow()
 }
+
+func drawPaint() {
+	if debug {
+		t := strconv.Itoa(len(paints))
+		rl.DrawText(t, 10, 10, 40, rl.Black)
+	}
+	for index, paintI := range paints {
+
+		if paintI.time > 1 {
+			paints[index] = paint{time: paintI.time - 1, location: paintI.location}
+			rl.DrawRectangleV(paintI.location, rl.Vector2{X: ballRadius - 2, Y: ballRadius - 2}, rl.NewColor(ballColor.R, ballColor.G, ballColor.R, uint8(paintI.time)))
+		} else {
+			removePaint(paints, index)
+		}
+	}
+}
+
+func drawSquares() {
+	for index, element := range squares {
+		if debug {
+			fmt.Println(index, element.X)
+		}
+
+		rl.DrawRectangleV(element, rl.Vector2{X: float32(squareSize), Y: float32(squareSize)}, rl.LightGray)
+	}
+}
 func draw() {
-	rl.DrawRectangle(int32(ballpos.X), int32(ballpos.Y), ballRadius, ballRadius, rl.Black)
+	paintedPaint := paint{255, ballpos}
+	paints = append(paints, paintedPaint)
 }
 
 func moveBall() {
+	if rl.IsKeyDown(rl.KeyLeftShift) {
+		draw()
+	}
 	if rl.IsKeyDown(rl.KeyS) {
 		speed += 2
 	}
@@ -127,7 +145,7 @@ func checkCollision(newPos rl.Vector2) bool {
 			fmt.Println(index, square.X, rl.Vector2Distance(newPos, square))
 			rl.DrawLineV(newPos, square, rl.Purple)
 		}
-		if rl.CheckCollisionPointRec(newPos, rl.Rectangle{square.X, square.Y, float32(squareSize), float32(squareSize)}) {
+		if rl.CheckCollisionPointRec(newPos, rl.Rectangle{X: square.X, Y: square.Y, Width: float32(squareSize), Height: float32(squareSize)}) {
 			if debug {
 				rl.DrawText("colliding with obstacle", 10, 10, 40, rl.Black)
 			}
@@ -154,3 +172,23 @@ type paint struct {
 	time     float32
 	location rl.Vector2
 }
+
+func removePaint(s []paint, i int) []paint {
+	s[i] = s[len(s)-1]
+	return s[:len(s)-1]
+}
+
+func convertHex(hex string) rl.Color {
+	hex1 := hex[0:2]
+	hex2 := hex[2:4]
+	hex3 := hex[4:6]
+	decimal, err := strconv.ParseInt(hex1, 16, 64)
+	decimal2, err := strconv.ParseInt(hex2, 16, 64)
+	decimal3, err := strconv.ParseInt(hex3, 16, 64)
+
+	if err != nil {
+		fmt.Println(err)
+	}
+
+	return rl.NewColor(uint8(decimal), uint8(decimal2), uint8(decimal3), 255)
+}

errorhandling.go

@@ -3,18 +3,22 @@ package main
 import "fmt"
 
 func check(Error error) {
-	if Error != nil { panic(Error) }
+	if Error != nil {
+		panic(Error)
+	}
 }
 
 func checkValid(something any) bool {
-	if something == nil { return false }
+	if something == nil {
+		return false
+	}
 	return true
 }
 
-func checkUserdataValid(userdata map[string]interface{}) {
+func checkUserDataValid(userdata map[string]interface{}) {
 	for _, data := range []string{"username"} {
 		if !checkValid(userdata[data]) {
-			panic(fmt.Sprint("\"", data,"\" isn't defined in userdata:\n",userdata))
+			panic(fmt.Sprint("\"", data, "\" isn't defined in userdata:\n", userdata))
 		}
 	}
 }

go.mod

@@ -2,9 +2,9 @@ module ballsoffline
 
 go 1.22.2
 
+require github.com/gen2brain/raylib-go/raylib v0.0.0-20240418150228-9548fadb54e6
+
 require (
 	github.com/ebitengine/purego v0.7.1 // indirect
-	github.com/gen2brain/raylib-go/raygui v0.0.0-20240418150228-9548fadb54e6 // indirect
-	github.com/gen2brain/raylib-go/raylib v0.0.0-20240418150228-9548fadb54e6
 	golang.org/x/sys v0.19.0 // indirect
 )

go.sum

@@ -2,7 +2,5 @@ github.com/ebitengine/purego v0.7.1 h1:6/55d26lG3o9VCZX8lping+bZcmShseiqlh2bnUDi
 github.com/ebitengine/purego v0.7.1/go.mod h1:ah1In8AOtksoNK6yk5z1HTJeUkC1Ez4Wk2idgGslMwQ=
 github.com/gen2brain/raylib-go/raylib v0.0.0-20240418150228-9548fadb54e6 h1:mNKFgLZIU0eEHKHjb7Uk9ZuSy65DdgmEf2xxum0Tof4=
 github.com/gen2brain/raylib-go/raylib v0.0.0-20240418150228-9548fadb54e6/go.mod h1:P/hDjVwz/9fhR0ww3+umzDpDA7Bf7Tce4xNChHIEFqE=
-github.com/gen2brain/raylib-go/raylib v0.0.0-20240421191056-278df68f40bb h1:2CdDr/LfDc9uLOW/+3ffSM5Ia7xZZMgjC6UmP7KTjRw=
-github.com/gen2brain/raylib-go/raylib v0.0.0-20240421191056-278df68f40bb/go.mod h1:P/hDjVwz/9fhR0ww3+umzDpDA7Bf7Tce4xNChHIEFqE=
 golang.org/x/sys v0.19.0 h1:q5f1RH2jigJ1MoAWp2KTp3gm5zAGFUTarQZ5U386+4o=
 golang.org/x/sys v0.19.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=