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Do not leave the current area when re-checking the coverage area.

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This commit is contained in:
Sascha L. Teichmann 2017-02-26 13:21:39 +01:00
parent 003ce5035a
commit 4b92a6c722
1 changed files with 2 additions and 2 deletions
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4
common/area.go
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@ -62,7 +62,7 @@ func UncoveredAreas(r *Renderer, newAreas, oldAreas []Area) []Area {
// Extension in x possible? // Extension in x possible?
if extendDirs&1 == 1 { if extendDirs&1 == 1 {
nx := area.X2 + 1 nx := area.X2 + 1
if nx >= int16(r.width) { if nx > oldArea.X2 {
extendDirs &= ^1 extendDirs &= ^1
continue continue
} }
@ -79,7 +79,7 @@ func UncoveredAreas(r *Renderer, newAreas, oldAreas []Area) []Area {
} else if extendDirs&2 == 2 { } else if extendDirs&2 == 2 {
// Symmetric case in z direction // Symmetric case in z direction
nz := area.Z2 + 1 nz := area.Z2 + 1
if nz >= int16(r.height) { if nz > oldArea.Z2 {
extendDirs &= ^2 extendDirs &= ^2
continue continue
} }