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Demo of Slide
marcel euchner-martinez edited this page Jul 9, 2022
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This is a short demo of how slide can be implemented in Heaps.
Slide is described as a framework agnostic tweening library. In the sample below we use it
to give our h2d.Object (a h2d.Graphics
finally) a predefined path to move along.
Slide can be installed with:
haxelib install slide
or
haxelib git slide https://github.com/AndreiRudenko/slide.git
import slide.Slide;
class SlideLibDemo extends hxd.App {
static function main() { new SlideLibDemo(); }
override function init() {
var g = new h2d.Graphics( s2d );
g.beginFill( 0xFFFFFF );
g.drawRect( 0, 0, 50, 50 );
g.setPosition(60,60);
var foo = ()->{ trace("Cycle accomplished!"); };
var fin = ()->{ trace("Slide finished."); };
Slide.tween( g )
.to({x:400}, 1.5)
.to({y:300}, 1 )
.wait(0.5)
.to({x:60,y:60}, 0.5)
.ease(slide.easing.Quad.easeIn)
.call( (o)->{ foo(); trace(o,o.x,o.y); o.rotate(0.3); } )
.onComplete( fin )
.repeat(-1) // -1 = infinity (actually prevents function fin to be called here)
.start();
}
override function update(dt:Float) {
Slide.step(dt); // tell Slide how many seconds have elapsed
}
}
Note that in the end we pass our update method's dt
parameter on to Slide, thus the latter knows how many time has passed and can adapt it's tweens accordingly.
-lib heaps
-lib hlsdl
-lib slide
-main SlideLibDemo
-hl slide_demo.hl