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animated tiles gogo

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This commit is contained in:
Josh Deprez 2021-07-29 15:09:00 +10:00 committed by Josh Deprez
parent 2bb2635120
commit def1dc1daa
2 changed files with 77 additions and 21 deletions
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50
engine/tiles.go
View file

@ -7,7 +7,7 @@ import (
)
type Tilemap struct {
Map [][]int
Map [][]Tile
Src *ebiten.Image // must be a horizontal tile set
TileSize int
GeoM ebiten.GeoM
@ -22,9 +22,55 @@ func (t *Tilemap) Draw(screen *ebiten.Image) {
op.GeoM.Translate(float64(i*t.TileSize), float64(j*t.TileSize))
op.GeoM.Concat(t.GeoM)
sx := tile * t.TileSize
sx := tile.TileIndex() * t.TileSize
src := t.Src.SubImage(image.Rect(sx, 0, sx+t.TileSize, t.TileSize)).(*ebiten.Image)
screen.DrawImage(src, &op)
}
}
}
func (t *Tilemap) Update() error {
for j := range t.Map {
for i := range t.Map[j] {
if tile, ok := t.Map[j][i].(Updater); ok {
if err := tile.Update(); err != nil {
return err
}
}
}
}
return nil
}
type Tile interface {
TileIndex() int
}
type StaticTile int
func (s StaticTile) TileIndex() int { return int(s) }
type AnimatedTile struct {
Frame int // if Tile in AnimationDefs, index
DurationTicks int // time spent showing this frame
AnimDef []TileAnimFrameDef
}
func (a *AnimatedTile) TileIndex() int { return a.AnimDef[a.Frame].Tile }
func (a *AnimatedTile) Update() error {
a.DurationTicks++
if a.DurationTicks >= a.AnimDef[a.Frame].DurationTicks {
a.DurationTicks = 0
a.Frame++
}
if a.Frame >= len(a.AnimDef) {
a.Frame = 0
}
return nil
}
type TileAnimFrameDef struct {
Tile int // show this tile
DurationTicks int // show it for this long
}

48
main.go
View file

@ -29,24 +29,34 @@ func main() {
}
boxesFile.Close()
tiles := &engine.Tilemap{
Map: [][]int{
{0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1},
{9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9},
{9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9},
{9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9},
{9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9},
{9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9},
{9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9},
{9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9},
{9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9},
{9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9},
{9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9},
{9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9},
{9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9},
{9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9},
{2, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3},
},
staticTiles := [][]int{
{0, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1},
{9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9},
{9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9},
{9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9},
{9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9},
{9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9},
{9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9},
{9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9},
{9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9},
{9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9},
{9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9},
{9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9},
{9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9},
{9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9},
{2, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3},
}
tiles := make([][]engine.Tile, len(staticTiles))
for j := range staticTiles {
tiles[j] = make([]engine.Tile, len(staticTiles[j]))
for i := range staticTiles[j] {
tiles[j][i] = engine.StaticTile(staticTiles[j][i])
}
}
tilemap := &engine.Tilemap{
Map: tiles,
Src: ebiten.NewImageFromImage(boxesPNG),
TileSize: 16,
}
@ -55,7 +65,7 @@ func main() {
ScreenHeight: screenHeight,
ScreenWidth: screenWidth,
Components: []interface{}{
tiles,
tilemap,
engine.PerfDisplay{},
},
}