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Use slice for range in Drawer.Dirty(), to improve performance

This commit is contained in:
Luke Meyers 2020-10-12 22:31:00 -07:00
parent ba7fa122b2
commit ef6cafa0cb
1 changed files with 5 additions and 3 deletions
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8
drawer.go
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@ -24,8 +24,9 @@ type Drawer struct {
Triangles Triangles Triangles Triangles
Picture Picture Picture Picture
targets map[Target]*drawerTarget targets map[Target]*drawerTarget
inited bool allTargets []*drawerTarget
inited bool
} }
type drawerTarget struct { type drawerTarget struct {
@ -46,7 +47,7 @@ func (d *Drawer) lazyInit() {
func (d *Drawer) Dirty() { func (d *Drawer) Dirty() {
d.lazyInit() d.lazyInit()
for _, t := range d.targets { for _, t := range d.allTargets {
t.clean = false t.clean = false
} }
} }
@ -68,6 +69,7 @@ func (d *Drawer) Draw(t Target) {
pics: make(map[Picture]TargetPicture), pics: make(map[Picture]TargetPicture),
} }
d.targets[t] = dt d.targets[t] = dt
d.allTargets = append(d.allTargets, dt)
} }
if dt.tris == nil { if dt.tris == nil {