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go-opengl-pixel
mirror of https://github.com/faiface/pixel.git
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polish batching

This commit is contained in:
Luke Meyers 2020-02-08 19:56:07 -08:00
parent c3b6d652b4
commit 82dc081c35
2 changed files with 13 additions and 11 deletions
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22
gfx/gfx.go
View File

@ -65,8 +65,8 @@ func loadPicture(path string) (pixel.Picture, error) {
} }
func Render(rs RenderState, sOld, sNew game.State, w *pixelgl.Window, sb spriteBank) RenderState { func Render(rs RenderState, sOld, sNew game.State, w *pixelgl.Window, sb spriteBank) RenderState {
batch := pixel.NewBatch(new(pixel.TrianglesData), nil) bgBatch := pixel.NewBatch(new(pixel.TrianglesData), nil)
renderBackground(w, batch) renderBackground(w, bgBatch)
colors := teamColors(sNew.Teams) colors := teamColors(sNew.Teams)
ctx := context{ ctx := context{
@ -75,8 +75,12 @@ func Render(rs RenderState, sOld, sNew game.State, w *pixelgl.Window, sb spriteB
tween: float64(rs.Frame) / float64(rs.Frames), tween: float64(rs.Frame) / float64(rs.Frames),
w: w, w: w,
} }
renderRacers(ctx, colors, sb.racer) rBatch := pixel.NewBatch(new(pixel.TrianglesData), sb.racer)
renderObstacles(sNew, w, sb.obstacle) renderRacers(ctx, rBatch, colors, sb.racer)
rBatch.Draw(w)
oBatch := pixel.NewBatch(new(pixel.TrianglesData), sb.obstacle)
renderObstacles(sNew, w, oBatch, sb.obstacle)
oBatch.Draw(w)
rs.Frame++ rs.Frame++
if rs.Frame > rs.Frames { if rs.Frame > rs.Frames {
@ -114,8 +118,7 @@ func renderBackground(w *pixelgl.Window, batch *pixel.Batch) {
batch.Draw(w) batch.Draw(w)
} }
func renderRacers(ctx context, colors map[*game.Team]pixel.RGBA, pic pixel.Picture) { func renderRacers(ctx context, batch *pixel.Batch, colors map[*game.Team]pixel.RGBA, pic pixel.Picture) {
batch := pixel.NewBatch(new(pixel.TrianglesData), pic)
for i, t := range ctx.sNew.Teams { for i, t := range ctx.sNew.Teams {
c := colors[&ctx.sNew.Teams[i]] c := colors[&ctx.sNew.Teams[i]]
for j, racer := range t.Racers { for j, racer := range t.Racers {
@ -134,7 +137,6 @@ func renderRacers(ctx context, colors map[*game.Team]pixel.RGBA, pic pixel.Pictu
renderBaton(pos, batch) renderBaton(pos, batch)
} }
batch.Draw(ctx.w)
} }
func renderRacer(ctx context, batch *pixel.Batch, oldRacer, racer game.Racer, active bool, c pixel.RGBA, pic pixel.Picture) { func renderRacer(ctx context, batch *pixel.Batch, oldRacer, racer game.Racer, active bool, c pixel.RGBA, pic pixel.Picture) {
@ -218,7 +220,7 @@ func lanePos(pos, lane int, width float64, bounds pixel.Rect) pixel.Vec {
bounds.Min.Y+float64(lane+1)*vOffset) bounds.Min.Y+float64(lane+1)*vOffset)
} }
func renderObstacles(s game.State, w *pixelgl.Window, pic pixel.Picture) { func renderObstacles(s game.State, w *pixelgl.Window, batch *pixel.Batch, pic pixel.Picture) {
b := w.Bounds() b := w.Bounds()
im := imdraw.New(nil) im := imdraw.New(nil)
@ -231,10 +233,10 @@ func renderObstacles(s game.State, w *pixelgl.Window, pic pixel.Picture) {
im.Clear() im.Clear()
sprite := pixel.NewSprite(pic, pic.Bounds()) sprite := pixel.NewSprite(pic, pic.Bounds())
sprite.Draw(w, pixel.IM.Moved(pos)) sprite.Draw(batch, pixel.IM.Moved(pos))
//im.Circle(float64(racerWidth), 0) //im.Circle(float64(racerWidth), 0)
im.Draw(w) im.Draw(batch)
} }
} }

2
main.go
View File

@ -30,7 +30,7 @@ func run() error {
rs := gfx.RenderState{ rs := gfx.RenderState{
Animating: true, Animating: true,
Frames: 20, Frames: 15,
} }
sb, err := gfx.NewSpriteBank() sb, err := gfx.NewSpriteBank()
if err != nil { if err != nil {