Zoom And Edit

Progress on the Zoom feature: when you zoom in and out, you can draw
shapes accurately onto the level. Seems a little buggy if you edit
while scrolling (as in drawing a very long line).

The title screen buttons are now more colorful.

go.sum

@@ -193,6 +193,8 @@ github.com/urfave/cli/v2 v2.3.0/go.mod h1:LJmUH05zAU44vOAcrfzZQKsZbVcdbOG8rtL3/X
 github.com/veandco/go-sdl2 v0.4.1/go.mod h1:FB+kTpX9YTE+urhYiClnRzpOXbiWgaU3+5F2AB78DPg=
 github.com/veandco/go-sdl2 v0.4.8 h1:A26KeX6R1CGt/BQGEov6oxYmVGMMEWDVqTvK1tXvahE=
 github.com/veandco/go-sdl2 v0.4.8/go.mod h1:OROqMhHD43nT4/i9crJukyVecjPNYYuCofep6SNiAjY=
+github.com/veandco/go-sdl2 v0.4.10 h1:8QoD2bhWl7SbQDflIAUYWfl9Vq+mT8/boJFAUzAScgY=
+github.com/veandco/go-sdl2 v0.4.10/go.mod h1:OROqMhHD43nT4/i9crJukyVecjPNYYuCofep6SNiAjY=
 github.com/vmihailenco/msgpack v3.3.3+incompatible h1:wapg9xDUZDzGCNFlwc5SqI1rvcciqcxEHac4CYj89xI=
 github.com/vmihailenco/msgpack v3.3.3+incompatible/go.mod h1:fy3FlTQTDXWkZ7Bh6AcGMlsjHatGryHQYUTf1ShIgkk=
 github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=

pkg/balance/theme.go

@@ -165,22 +165,24 @@ var (
 	ButtonLightRed = style.DefaultButton
 )
 
+// Customize the various button styles.
 func init() {
-	// Customize button styles.
+	// Primary: white on rich blue color
 	ButtonPrimary.Background = render.RGBA(0, 60, 153, 255)
 	ButtonPrimary.Foreground = render.RGBA(255, 255, 254, 255)
 	ButtonPrimary.HoverBackground = render.RGBA(0, 153, 255, 255)
 	ButtonPrimary.HoverForeground = ButtonPrimary.Foreground
 
+	// Danger: white on red
 	ButtonDanger.Background = render.RGBA(153, 30, 30, 255)
 	ButtonDanger.Foreground = render.RGBA(255, 255, 254, 255)
 	ButtonDanger.HoverBackground = render.RGBA(255, 30, 30, 255)
 	ButtonDanger.HoverForeground = ButtonPrimary.Foreground
 
-	ButtonBabyBlue.Background = render.RGBA(0, 153, 255, 255)
-	ButtonBabyBlue.Foreground = render.White
+	ButtonBabyBlue.Background = render.RGBA(40, 200, 255, 255)
+	ButtonBabyBlue.Foreground = render.Black
 	ButtonBabyBlue.HoverBackground = render.RGBA(0, 220, 255, 255)
-	ButtonBabyBlue.HoverForeground = render.White
+	ButtonBabyBlue.HoverForeground = render.Black
 
 	ButtonPink.Background = render.RGBA(255, 153, 255, 255)
 	ButtonPink.HoverBackground = render.RGBA(255, 220, 255, 255)

pkg/doodle.go

@@ -3,6 +3,7 @@ package doodle
 import (
 	"fmt"
 	"path/filepath"
+	"strconv"
 	"strings"
 	"time"
 
@@ -259,7 +260,29 @@ func (d *Doodle) NewMap() {
 }
 
 // NewDoodad loads a new Doodad in Edit Mode.
+// If size is zero, it prompts the user to select a size or accept the default size.
 func (d *Doodle) NewDoodad(size int) {
+	if size == 0 {
+		d.Prompt(fmt.Sprintf("Doodad size or %d>", balance.DoodadSize), func(answer string) {
+			size := balance.DoodadSize
+			if answer != "" {
+				i, err := strconv.Atoi(answer)
+				if err != nil {
+					d.Flash("Error: Doodad size must be a number.")
+					return
+				}
+				size = i
+			}
+
+			// Recurse with the proper answer.
+			if size <= 0 {
+				d.Flash("Error: Doodad size must be a positive number.")
+			}
+			d.NewDoodad(size)
+		})
+		return
+	}
+
 	log.Info("Starting a new doodad")
 	scene := &EditorScene{
 		DrawingType: enum.DoodadDrawing,

pkg/editor_ui_menubar.go

@@ -5,8 +5,6 @@ package doodle
 // The rest of it is controlled in editor_ui.go
 
 import (
-	"strconv"
-
 	"git.kirsle.net/apps/doodle/pkg/balance"
 	"git.kirsle.net/apps/doodle/pkg/drawtool"
 	"git.kirsle.net/apps/doodle/pkg/enum"
@@ -56,18 +54,8 @@ func (u *EditorUI) SetupMenuBar(d *Doodle) *ui.MenuBar {
 	fileMenu.AddItemAccel("New level", "Ctrl-N", u.Scene.MenuNewLevel)
 	fileMenu.AddItem("New doodad", func() {
 		u.Scene.ConfirmUnload(func() {
-			d.Prompt("Doodad size [100]>", func(answer string) {
-				size := balance.DoodadSize
-				if answer != "" {
-					i, err := strconv.Atoi(answer)
-					if err != nil {
-						d.Flash("Error: Doodad size must be a number.")
-						return
-					}
-					size = i
-				}
-				d.NewDoodad(size)
-			})
+			// New doodad size with prompt.
+			d.NewDoodad(0)
 		})
 	})
 	fileMenu.AddItemAccel("Save", "Ctrl-S", u.Scene.MenuSave(false))

pkg/main_scene.go

@@ -17,6 +17,7 @@ import (
 	"git.kirsle.net/go/render"
 	"git.kirsle.net/go/render/event"
 	"git.kirsle.net/go/ui"
+	"git.kirsle.net/go/ui/style"
 )
 
 // MainScene implements the main menu of Doodle.
@@ -155,24 +156,35 @@ func (s *MainScene) Setup(d *Doodle) error {
 	s.frame = frame
 
 	var buttons = []struct {
-		Name string
-		Func func()
+		Name  string
+		Func  func()
+		Style *style.Button
 	}{
 		// {
 		// 	Name: "Story Mode",
 		// 	Func: d.GotoStoryMenu,
 		// },
 		{
-			Name: "Play a Level",
-			Func: d.GotoPlayMenu,
+			Name:  "Play a Level",
+			Func:  d.GotoPlayMenu,
+			Style: &balance.ButtonBabyBlue,
 		},
 		{
-			Name: "Create a New Level",
-			Func: d.GotoNewMenu,
+			Name:  "Create a Level",
+			Func:  d.GotoNewMenu,
+			Style: &balance.ButtonPink,
 		},
 		{
-			Name: "Edit a Level",
-			Func: d.GotoLoadMenu,
+			Name: "Create a Doodad",
+			Func: func() {
+				d.NewDoodad(0)
+			},
+			Style: &balance.ButtonPink,
+		},
+		{
+			Name:  "Edit a Drawing",
+			Func:  d.GotoLoadMenu,
+			Style: &balance.ButtonPrimary,
 		},
 		{
 			Name: "Settings",
@@ -194,6 +206,9 @@ func (s *MainScene) Setup(d *Doodle) error {
 			button.Func()
 			return nil
 		})
+		if button.Style != nil {
+			btn.SetStyle(button.Style)
+		}
 		s.Supervisor.Add(btn)
 		frame.Pack(btn, ui.Pack{
 			Side: ui.N,

pkg/uix/canvas_editable.go

@@ -28,7 +28,8 @@ func (w *Canvas) commitStroke(tool drawtool.Tool, addHistory bool) {
 		return
 	}
 
-	// Zoom the stroke coordinates (this modifies the pointer)
+	// Zoom the stroke coordinates (this modifies the pointer).
+	// Note: all the points on the stroke were mouse cursor coordinates on the screen.
 	w.currentStroke = w.ZoomStroke(w.currentStroke)
 
 	// Mark the canvas as modified.

pkg/uix/canvas_zoom.go

@@ -117,7 +117,6 @@ func (w *Canvas) ZoomStroke(stroke *drawtool.Stroke) *drawtool.Stroke {
 		Points:         stroke.Points,
 		OriginalPoints: stroke.OriginalPoints,
 	}
-	return copy
 
 	// Multiply all coordinates in this stroke, which should be World
 	// Coordinates in the level data, by the zoom multiplier.