rex_dragscale

Plugin, ACE table, Discussion thread
Dependence: rex_touchwrap plugin

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Introduction
Set size or get scaling from two dragging points.
This behavior could not be used on pc since there is only one touch point (mouse).

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Usage
Sample capx

Prepare
Remember to put rex_touchwrap plugin into project.

Detecting two dragging points
While two dragging points detected, "Condition:On dragging start" will be triggered, and "Condition:Is dragging" will return true.
User could get these two dragging points by ("Expression:P0X", "Expression:P0Y"), and ("Expression:P1X", "Expression:P1Y").
"Condition:On dragging moving start", or "Condition:On dragging moving" will be triggered while dragging and moving.

Scale
User could get scale by "Expression:Scale"_. The calculation of this expression is

(length between two current dragging points) / (length between two initial dragging points)

Set "Auto scale" to "No" at properties table if user does not want change the size of object.

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