enve/examples/shaderEffects/eExplode.gre

<!-- enve - 2D animations software -->
<!-- Copyright (C) 2016-2020 Maurycy Liebner -->

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<ShaderEffect name="Explode" menuPath="Examples">
    <Properties>
        <Property name="displacement" type="vec2" min="0" max="999" step="1" ini="10" resolutionScaled="true" influenceScaled="true"/>
        <Property name="steps"        type="int"  min="1" max="99"  step="1" ini="1"  glValue="true"/>
        <Property name="directions"   type="int"  min="1" max="99"  step="1" ini="6"  glValue="true"/>
    </Properties>

    <Script>
        <Calculate>
            var hDispl = displacement[0];
            var vDispl = displacement[1];
            var widthWithMargin = 2*hDispl + _eRect[2];
            var heightWithMargin = 2*vDispl + _eRect[3];
            extern displScaled = [hDispl/widthWithMargin, vDispl/heightWithMargin];
        </Calculate>
    </Script>

    <glValues>
        <glValue name="displacementXY"  type="vec2" value="displScaled"/>
    </glValues>

    <Margin value="displacement"/>
</ShaderEffect>