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/* <license>
* This file is part of the dis-Emi-A HaXe Library. Copyright (c) edA-qa mort-ora-y
* For full copyright and license information please refer to doc/license.txt.
* </license>
*/
package ui.anim.lib;
/**
* Exposes the Button pattern for traits
*/
DEFACTOR(Polygon)
PARAM(sides,Int,5)
PARAM(angleOffset,Float,0.0)
PARAM(outline,Pen,Pen.solid(1,Color.rgb(0,0,0) ))
PARAM(fill,Brush,Brush.solid(Color.rgb(0.5,0.5,0.5)))
PARAM(gutterSize,Float,0.1)
PARAM(inner,Widget,null)
PARAM(outerBulge,Float,1.0)
PARAM(outerBulgeInvertDown,Bool,true)
PARAM(rotateSpeed,T_Float(1.0))
PARAM(innerSize,T_Float(0.70711),Default is cos/sin(pi/4) for the inner-square of this item, as if perfect circle)
ONINIT()
{
if( params.inner != null )
addChild( params.inner.getNative() );
}
VAR(down,Bool,false)
VAR(mouse,Bool,false)
TRAIT(Button,Up,DEFAULT)
{
down = false;
taintDraw();
}
TRAIT(Button,Down,NONE)
{
down = true;
taintDraw();
}
TRAIT(Mouse,Over,DEFAULT)
{
mouse = true;
taintDraw();
}
TRAIT(Mouse,Out,NONE)
{
mouse = false;
taintDraw();
}
SEQUENCE(Still,DEFAULT)
{
taintDraw();
ONRESET()
{
}
}
ONSTEP()
{
}
VAR(angleRotate,T_Float(0.0))
/** Rotates polygon, not the inner item */
SEQUENCE(Rotate,NONE)
{
}
ONSTEP()
{
taintDraw();
angleRotate += elapsed * params.rotateSpeed;
}
DRAWTRANSFORM_SCALE(0.5,0.5)
ONDRAW()
{
var gfxi = GraphicsX.scaled( graphics,
widgetSize.x/2 * (1-params.gutterSize),
widgetSize.y/2 * (1-params.gutterSize));
gfx.clear();
var angle = params.angleOffset + angleRotate;
var angleDelta = Math.PI*2 / params.sides;
var pts = new Array<Point2>();
var outPts = new Array<Point2>();
var hasBulge = params.outerBulge != 1.0; //exact mathc okay, specific value
var bulgeFactor = Math.cos( 0.5 * angleDelta ) /* length from center to chord*/
* ( down && params.outerBulgeInvertDown ? 1/params.outerBulge : params.outerBulge);
for( i in 0...params.sides )
{
//inner edge (will be auto-rounded)
pts.push( Point2.at( Math.cos( angle ), Math.sin( angle ) ) );
//do outer edge
if( hasBulge )
{
var halfAngle = angle + angleDelta/2;
outPts.push( pts[pts.length-1] );
outPts.push(
Point2.at(
Math.cos( halfAngle ) * bulgeFactor,
Math.sin( halfAngle ) * bulgeFactor
)
);
}
if( i == (params.sides - 1 ) )
angle = params.angleOffset; //to provide perfect alignment (no floating point error)
else
angle += angleDelta;
}
if( hasBulge )
outPts.push( outPts[0] ); //close polygon
var outFill = params.fill.adjustBrightness( 0.5 );
var inFill = params.fill;
if( down )
{
var swap = outFill;
outFill = inFill;
inFill = swap;
}
//TODO: optimize if gutterSize = 0
//draw primary polygon
gfx.use( outFill );
gfx.use( params.outline );
if( hasBulge )
gfx.polyCurve( outPts );
else
gfx.polyLine( pts, true );
gfx.endFill();
//draw inner polygon
gfxi.use( inFill );
gfxi.use( Pen.empty() );
gfxi.polyRound( pts, 0.2 );
gfxi.endFill();
//CLEANUP to provide general containing logic
if( params.inner != null )
{
params.inner.move( -actorSize.x * params.innerSize/2, -actorSize.y * params.innerSize/2 );
params.inner.resize( actorSize.x * params.innerSize, actorSize.y * params.innerSize );
}
}
ENDACTOR()
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