added detonation particles after collectibles have been collected

assets/loader-levels.go

@@ -28,6 +28,8 @@ type Tile struct {
 	Renderable  bool
 	Velocity    bool
 	Collectible bool
+	Particle    int // -1=unused, 0-3 = show image of slice
+	Particles   []*ebiten.Image
 }
 
 func NewTilePlayer() *Tile {
@@ -62,6 +64,23 @@ func NewTileCollectible(class string) *Tile {
 	}
 }
 
+func NewTileParticle(class []string) *Tile {
+	sprites := []*ebiten.Image{}
+
+	for _, sprite := range class {
+		sprites = append(sprites, Assets[sprite])
+	}
+
+	return &Tile{
+		Id:         '*',
+		Class:      "particle",
+		Solid:      false,
+		Renderable: false,
+		Particle:   -1,
+		Particles:  sprites,
+	}
+}
+
 // used to map level data bytes to actual tiles
 type TileRegistry map[byte]*Tile
 
@@ -90,6 +109,10 @@ func InitTiles() TileRegistry {
 		'#': NewTileBlock("block-grey32"),
 		'S': NewTilePlayer(),
 		'o': NewTileCollectible("collectible-orange"),
+		'*': NewTileParticle([]string{
+			"particle-dust-0", "particle-dust-0", "particle-dust-1", "particle-dust-1",
+			"particle-dust-0", "particle-dust-2", "particle-dust-3", "particle-dust-3",
+		}),
 	}
 }