Effects: Physics and Particles - JavaFX Special Effects - page 203

var sparkTimeline:Timeline = Timeline{
repeatCount: Timeline.INDEFINITE;
keyFrames: KeyFrame{
time: 1/4.0*1s;
action: emitSpark;
}
}
function emitCloud():Void{
var particle = PhysicsParticle{
scaleX: .8
scaleY: .8
translateX: x;
translateY: y;
image: Main.cloud;
radius: 4;
weight: 1;
totalSteps: 10 + Main.random.nextInt(30);
effect: ColorAdjust{
hue: .3
}
fadeInterpolator: Interpolator.LINEAR;
}
Main.addWorldNode(particle);
}
function emitSpark():Void{
var size:Number = 2.0 + Main.random.nextFloat()*3.0;
var direction = 225 + Main.random.nextInt(90);
var speed = Main.random.nextInt(50);
var particle = PhysicsParticle{
scaleX: size/11.0
scaleY: size/11.0
translateX: x;
translateY: y;
image: Main.spark;
radius: 5;
weight: 1;
startingSpeed: speed
startingDirection: direction
totalSteps: 1/size*400
effect: ColorAdjust{
hue: .3
}
fadeInterpolator: Interpolator.SPLINE(0.0, .8, 0.0, .8)
}
Main.addWorldNode(particle);
}
public override function play():Void{
cloudTimeline.play();