SetThemeOverlayRectPixels

SetThemeOverlayRectPixels(<-overlayNumber <-targetX <-targetY <-width <-height <-color)

Sets a rectangle of pixels to 'color' in the theme overlay texture. The overlayNumber should be 0 or 1.
The targetX and targetY parameters specify the lower left corner of the rectangle.
The width and height specify the size of the rectangle.

Overlay Rect Pixels.4rpl

$pixelsPerCell:1
 
#Clear
SetThemeOverlayRectPixels(0 0 0 <-textureWidth <-textureHeight Vector0)
10 0 do
	if (RandFloat 0.5 <)
		<-R ->color
	else
		<-Y ->color
	endif
	SetThemeOverlayRectPixels(0 RandInt(0 <-textureWidth) RandInt(0 <-textureHeight) RandInt(1 100) RandInt(1 100) <-color)
loop
 
:once
	GetMapSize ->mapSizeZ ->mapSizeX	
 
	<-mapSizeX <-pixelsPerCell * ->textureWidth
	<-mapSizeZ <-pixelsPerCell * ->textureHeight
 
	CreateThemeOverlay(0 <-textureWidth <-textureHeight Vector0)
	SetThemeOverlayEnabled(0 true)
	SetThemeOverlayPointFilter(0 true)
 
	V4(1 0 0 1) ->R
	V4(1 1 0 1) ->Y

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