Bullet support

main.go

@@ -1,13 +1,16 @@
 package main
 
 import (
+	"fmt"
 	"github.com/hajimehoshi/ebiten/v2"
+	"github.com/hajimehoshi/ebiten/v2/ebitenutil"
 	"github.com/hajimehoshi/ebiten/v2/inpututil"
 	"gitlab.com/kbr4/9heroja/collision"
 	"gitlab.com/kbr4/9heroja/configuration"
 	"gitlab.com/kbr4/9heroja/hero"
 	"gitlab.com/kbr4/9heroja/input"
 	"gitlab.com/kbr4/9heroja/terrain"
+	"gitlab.com/kbr4/9heroja/weapons"
 	"gitlab.com/kbr4/9heroja/zombie"
 	_ "image/png"
 	"log"
@@ -53,18 +56,32 @@ type Game struct {
 	terrain *terrain.Terrain
 	zombies []*zombie.Zombie
 	world   *collision.World
+	bullets []*weapons.Handgun
 }
 
 func (g *Game) Update() error {
 	g.keys = inpututil.AppendPressedKeys(g.keys[:0])
 	GameInstance.hero.ChangeDirection(GameInstance.control.DirectionFromKeys(g.keys))
 	GameInstance.terrain.ChangeDirection(GameInstance.control.DirectionFromKeys(g.keys))
+	bullet := GameInstance.hero.Fire(GameInstance.control.ShouldFire(g.keys), g.terrain.PositionX, g.terrain.PositionY)
+	if bullet != nil {
+		GameInstance.world.AddEntity(bullet)
+		g.bullets = append(g.bullets, bullet)
+	}
+
 	if len(g.keys) <= 0 {
 		g.hero.Stop()
 	} else {
 		g.terrain.Move()
 		g.hero.Walk()
 	}
+
+	for _, b := range g.bullets {
+		if b.IsFlying {
+			b.Move()
+		}
+	}
+
 	g.world.NotifyAboutCollisions()
 	return nil
 }
@@ -76,7 +93,19 @@ func (g *Game) Draw(screen *ebiten.Image) {
 		z.OffsetY = g.terrain.PositionY
 		z.DrawZombie(screen)
 	}
+
+	for _, b := range g.bullets {
+		b.OffsetX = g.terrain.PositionX
+		b.OffsetY = g.terrain.PositionY
+		if b.IsFlying {
+			b.DrawHandgunBullet(screen)
+		}
+	}
 	g.hero.DrawHero(screen)
+	msg := fmt.Sprintf(`TPS: %0.2f
+    FPS: %0.2f`, ebiten.ActualTPS(), ebiten.ActualFPS())
+	ebitenutil.DebugPrint(screen, msg)
+
 }
 
 func (g *Game) Layout(outsideWidth, outsideHeight int) (screenWidth, screenHeight int) {