The shape element defines a single shape stimulus and specifies how the shape is presented.
shape.name.color
shape.name.colorBlue
shape.name.colorGreen
shape.name.colorRed
shape.name.bottom
shape.name.dropSource
shape.name.dropTarget
shape.name.dropX
shape.name.dropY
shape.name.eraseColor
shape.name.eraseColorBlue
shape.name.eraseColorGreen
shape.name.eraseColorRed
shape.name.height
shape.name.heightPct
shape.name.heightPx
shape.name.hPosition
shape.name.left
shape.name.monitor
shape.name.right
shape.name.rotation
shape.name.scale
shape.name.top
shape.name.vPosition
shape.name.width
shape.name.widthPct
shape.name.widthPx
shape.name.x
shape.name.xPct
shape.name.xPx
shape.name.y
shape.name.yPct
shape.name.yPx
shape.name.currentItem
shape.name.currentItemNumber
shape.name.erase
shape.name.playThrough
shape.name.skip
shape.name.stimulusOnset
shape.name.timestamp
shape.name.name
shape.name.typeName
Button stimuli provide a convenient means of overwriting previously presented stimuli during a presentation sequence, or for drawing background to be presented behind other stimuli.
The following defines a blue circle that appears on the right side of the screen:
<shape bluecircle>
/ shape = circle
/ color = (0, 0, 200)
/ position = (80%, 50%)
</shape>