diff options
| -rw-r--r-- | main.go | 122 |
1 files changed, 118 insertions, 4 deletions
@@ -1,14 +1,125 @@ package main -import "github.com/hajimehoshi/ebiten/v2" +import ( + "fmt" + "image/color" -type Game struct{} + "github.com/hajimehoshi/ebiten/v2" + "github.com/hajimehoshi/ebiten/v2/inpututil" +) + +type Vec struct { + X, Y float64 +} + +type Rectangle struct { + leftTop Vec + rightBottom Vec +} + +func NewRectangle(leftTop Vec, rightBottom Vec) Rectangle { + return Rectangle{leftTop: leftTop, rightBottom: rightBottom} +} + +func (r Rectangle) Contains(point Vec) bool { + return point.X > r.leftTop.X && point.X < r.rightBottom.X && point.Y > r.leftTop.Y && point.Y < r.rightBottom.Y +} + +type Person struct { + size Vec + Position Vec + IsSelected bool + image *ebiten.Image + selectedImage *ebiten.Image +} + +var personColor = color.RGBA{0xff, 0xff, 0xff, 0xff} +var haloColor = color.RGBA{0xff, 0x00, 0x00, 0xff} + +type Tile struct { + *ebiten.Image + Size Vec + Position Vec +} + +func NewTile(size Vec, position Vec, color color.Color) Tile { + image := ebiten.NewImage(int(size.X), int(size.Y)) + image.Fill(color) + return Tile{Size: size, Position: position, Image: image} +} + +var soilColor = color.RGBA{0x60, 0x40, 0x20, 0xff} +var soil = NewTile(Vec{X: 280, Y: 200}, Vec{X: 20, Y: 20}, soilColor) + +func NewPerson(position Vec) Person { + image := ebiten.NewImage(10, 10) + image.Fill(personColor) + selectedImage := ebiten.NewImage(12, 12) + op := &ebiten.DrawImageOptions{} + op.GeoM.Translate(1, 1) + selectedImage.Fill(haloColor) + selectedImage.DrawImage(image, op) + return Person{Position: position, size: Vec{X: 10, Y: 10}, image: image, selectedImage: selectedImage} +} + +func (p Person) Image() *ebiten.Image { + if p.IsSelected { + return p.selectedImage + } + return p.image +} + +func (p Person) Size() Vec { + if p.IsSelected { + return Vec{X: p.size.X + 2, Y: p.size.Y + 2} + } else { + return p.size + } +} + +func (p *Person) Bounds() Rectangle { + return NewRectangle(Vec{X: p.Position.X - p.size.X/2, Y: p.Position.Y - p.size.Y/2}, Vec{X: p.Position.X + p.size.X/2, Y: p.Position.Y + p.size.Y/2}) +} + +func GetDrawImageOptions(size Vec, position Vec) *ebiten.DrawImageOptions { + op := &ebiten.DrawImageOptions{} + op.GeoM.Translate(position.X-size.X/2, position.Y-size.Y/2) + + return op +} + +type Game struct { + Persons []*Person +} func (g *Game) Update() error { + if inpututil.IsMouseButtonJustReleased(ebiten.MouseButtonLeft) { + x, y := ebiten.CursorPosition() + tileClick := Vec{X: float64(x) - soil.Position.X, Y: float64(y) - soil.Position.Y} + fmt.Println("Click: ", tileClick) + for _, p := range g.Persons { + p.IsSelected = false + fmt.Println("Person: ", p.Position) + if p.Bounds().Contains(tileClick) { + fmt.Println("Person selected") + p.IsSelected = true + } + } + } return nil } +var shallowWaterColor = color.RGBA{0x80, 0xa0, 0xc0, 0xff} + func (g *Game) Draw(screen *ebiten.Image) { + screen.Fill(shallowWaterColor) + soil.Fill(soilColor) + for _, p := range g.Persons { + soil.DrawImage(p.Image(), GetDrawImageOptions(p.Size(), p.Position)) + } + op := &ebiten.DrawImageOptions{} + op.GeoM.Translate(soil.Position.X, soil.Position.Y) + screen.DrawImage(soil.Image, op) } func (g *Game) Layout(outsideWidth, outsideHeight int) (screenWidth, screenHeight int) { @@ -16,9 +127,12 @@ func (g *Game) Layout(outsideWidth, outsideHeight int) (screenWidth, screenHeigh } func main() { - ebiten.SetWindowSize(640, 480) + ebiten.SetWindowSize(1280, 960) ebiten.SetWindowTitle("Age of Empire") - if err := ebiten.RunGame(&Game{}); err != nil { + game := &Game{} + mainPerson := NewPerson(Vec{X: 120, Y: 80}) + game.Persons = append(game.Persons, &mainPerson) + if err := ebiten.RunGame(game); err != nil { panic(err) } } |