for thisLayer you do not need to include a variable declaring it. However, for best practises I always find it a good idea to include it so the expression is easily editable in the future.
Example 1:
Property: position
Controls: Slider
Description: adjusts position with an x slider and y slider
/*===expression.lib functions===addSliderControl('thisLayer','X Position',0);addSliderControl('thisLayer','Y Position',0);===expression.lib end functions===*///set targetvar target = thisLayer;//get effects from targetvar xSlider =target.effect("X Position")("Slider");var ySlider =target.effect("Y Position")("Slider");//set x Positionvar x = value[0] + xSlider;//set y positionvar y = value[1] + ySlider;[x,y]
Example 2:
Property: rotation
Controls: Slider, Angle
Description: Sets the rotation to the angle * the slider
/*===expression.lib functions===addSliderControl('thisLayer','multiplier',0);addAngleControl('thisLayer','rotation',10);===expression.lib end functions===*///set targetvar target = thisLayer;//get effects from targetvar multi =target.effect("multiplier")("Slider");var rot =target.effect("rotation")("Angle");//set rotationrot*multi
Example 3:
Property: scale
Controls: Slider, Checkbox
Description: Add the slider value to base value when checkbox is ticked.