Direction

hero/hero.go

@@ -3,13 +3,14 @@ package hero
 import (
 	"bytes"
 	"github.com/hajimehoshi/ebiten/v2"
+	"gitlab.com/kbr4/9heroja/configuration"
 	"gitlab.com/kbr4/9heroja/resources"
 	"image"
 	"log"
 	"time"
 )
 
-const WalkSpeedMs = 400
+const WalkSpeedMs = 300
 
 var (
 	heroImage  *ebiten.Image
@@ -17,7 +18,8 @@ var (
 )
 
 type Hero struct {
-	step int
+	step      int
+	direction configuration.Direction
 }
 
 type spritePosition struct {
@@ -27,7 +29,10 @@ type spritePosition struct {
 
 func (h *Hero) DrawHero(screen *ebiten.Image) {
 
-	positions := []spritePosition{
+	// set movement positions to be hashmap of sprite positions for each direction
+
+	movementPositions := map[configuration.Direction][]spritePosition{}
+	movementPositions[configuration.North] = []spritePosition{
 		{0, 166},
 		{33, 166},
 		{66, 166},
@@ -37,7 +42,28 @@ func (h *Hero) DrawHero(screen *ebiten.Image) {
 		{66, 166},
 		{33, 166},
 	}
-	p := positions[h.step%5]
+	movementPositions[configuration.NorthEast] = []spritePosition{
+		{168, 0},
+		{201, 0},
+		{0, 33},
+		{33, 33},
+		{66, 33},
+		{33, 33},
+		{0, 33},
+		{201, 0},
+	}
+
+	movementPositions[configuration.South] = []spritePosition{
+		{66, 132},
+		{0, 99},
+		{33, 99},
+		{66, 99},
+		{99, 99},
+		{66, 99},
+		{33, 99},
+		{0, 99},
+	}
+	p := movementPositions[h.direction][h.step%8]
 
 	op := &ebiten.DrawImageOptions{}
 	screenWidth := screen.Bounds().Max.X
@@ -88,6 +114,10 @@ func (h *Hero) Walk() {
 
 }
 
+func (h *Hero) ChangeDirection(d configuration.Direction) {
+	h.direction = d
+}
+
 func (h *Hero) Stop() {
 	h.step = 2
 	walkTicker.Stop()