Move-Sprite.ps1
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function Move-Sprite { <# .Synopsis Moves sprites .Description Moves sprites around the screen .Example $dot | Move-Sprite -X 10 -Y 20 .Link Add-Sprite .Link Find-Sprite .Link New-Sprite .Link Remove-Sprite #> [Diagnostics.CodeAnalysis.SuppressMessageAttribute("PSAvoidUsingWriteHost", "", Justification="Games Must Use the Host")] [OutputType([Nullable],[PSObject])] param( # The Sprite [Parameter(Mandatory,ValueFromPipeline)] [PSTypeName('PowerArcade.Sprite')] [PSObject] $Sprite, # The target X coordinate [Parameter(Mandatory,Position=0,ValueFromPipelineByPropertyName)] [int] $X, # The target Y coordinate [Parameter(Mandatory,Position=1,ValueFromPipelineByPropertyName)] [int] $Y, # If set, will not clear the content at the old sprite position [Alias('DoNotClear')] [switch] $NoClear, # If set, will force an overwrite in the case of a collision. [switch] $Force ) process { # It's possible the sprite doesn't have an X/Y yet, so add it if they don't. if (-not $sprite.psobject.properties['X']) { $sprite.psobject.properties.Add([PSNoteProperty]::new('X',$X)) } if (-not $sprite.psobject.properties['Y']) { $sprite.psobject.properties.Add([PSNoteProperty]::new('Y',$Y)) } #region Where am I going, and who will I run into there? $newBounds = $Sprite.MeasureBounds($x, $y) $collision = $false $foundSprites = $newBounds |Find-Sprite if ($foundSprites) { $null = $null foreach ($ThingIHit in $foundSprites) { if ($ThingIHit -eq $Sprite) { continue } $collision = $true if ($sprite.'+'.Invoke) { $sprite.'+'($ThingIHit) } if ($sprite."+$($ThingIHit.Type)".Invoke) { $sprite."+$($ThingIHit.Type)"($ThingIHit) } } } #region Where am I going, and who will I run into there? if ($collision -and -not $Force) { return } [Console]::CursorVisible = $false if (-not $NoClear -and -not $this.Hidden) { [Console]::Write("$($Sprite.Clear())".Trim()) } $oldBounds = $Sprite.MeasureBounds() $sprite.X, $sprite.Y = $X, $Y $newSpatialHashes = $newBounds | Select-Object -ExpandProperty SpatialHash -Unique $oldSpatialHashes = $oldBounds | Select-Object -ExpandProperty SpatialHash -Unique foreach ($nsh in $newSpatialHashes) { if ($oldSpatialHashes -notcontains $nsh) { # Moving into a new spatial hash if ($game.CurrentLevel.SpatialMap.ContainsKey($nsh)) { $game.CurrentLevel.SpatialMap[$nsh].Add( [PSCustomObject]@{PSTypeName='PowerArcade.Sprite.Reference';Type=$sprite.type;SpriteID=$sprite.SpriteID} ) $game.CurrentLevel.SpritesById[$sprite.SpriteID] = $sprite } } } foreach ($osh in $oldSpatialHashes) { if ($newSpatialHashes -notcontains $osh) { # Moving out of an old spatial hash if ($game.CurrentLevel.SpatialMap.ContainsKey($osh)) { $toRemove = for ($in =0 ; $in -lt $game.CurrentLevel.SpatialMap[$osh].Count; $in++) { if ($game.CurrentLevel.SpatialMap[$osh][$in].SpriteID -eq $Sprite.SpriteID) { $game.CurrentLevel.SpatialMap[$osh][$in] break } } foreach ($tr in $toRemove) { $null = $game.CurrentLevel.SpatialMap[$osh].Remove($tr) } } } } if (-not $this.Hidden -and $game.CurrentLevel.SpriteMap.ContainsKey) { } if (-not $this.Hidden) { [Console]::Write("$($Sprite.Draw())") [Console]::CursorVisible = $false } } } |