Another fix on Windows

fireworks/fireworks.go

@@ -11,7 +11,6 @@ import (
 
 	tea "github.com/charmbracelet/bubbletea"
 	"github.com/charmbracelet/lipgloss"
-	"golang.org/x/term"
 )
 
 const (
@@ -60,14 +59,6 @@ func Spawn(width, height int) []simulation.Particle {
 	return particles
 }
 
-func InitialModel() model {
-	width, height, err := term.GetSize(0)
-	if err != nil {
-		panic(err)
-	}
-	return InitialModelWithSize(width, height)
-}
-
 func InitialModelWithSize(width, height int) model {
 	return model{system: &simulation.System{
 		Particles: Spawn(width, height),

fireworks/fireworks_unix.go

@@ -0,0 +1,16 @@
+//go:build !windows
+// +build !windows
+
+package fireworks
+
+import (
+	"golang.org/x/term"
+)
+
+func InitialModel() model {
+	width, height, err := term.GetSize(0)
+	if err != nil {
+		panic(err)
+	}
+	return InitialModelWithSize(width, height)
+}

fireworks/fireworks_windows.go

@@ -0,0 +1,22 @@
+//go:build windows
+// +build windows
+
+package fireworks
+
+import (
+	"syscall"
+
+	"golang.org/x/term"
+)
+
+func InitialModel() model {
+	h, err := syscall.GetStdHandle(syscall.STD_OUTPUT_HANDLE)
+	if err != nil {
+		panic(err)
+	}
+	width, height, err := term.GetSize(int(h))
+	if err != nil {
+		panic(err)
+	}
+	return InitialModelWithSize(width, height)
+}