customaffector.qml Example File
particles/affectors/content/customaffector.qml
import QtQuick 2.0
import QtQuick.Particles 2.0
Item {
width: 360
height: 600
Image {
source: "../../images/backgroundLeaves.jpg"
anchors.fill: parent
}
ParticleSystem {
anchors.fill: parent
Emitter {
width: parent.width
emitRate: 4
lifeSpan: 14000
size: 80
velocity: PointDirection { y: 60 }
}
Wander {
anchors.fill: parent
anchors.bottomMargin: 100
xVariance: 60
pace: 60
}
Affector {
property real coefficient: 0.1
property real velocity: 1.5
width: parent.width
height: parent.height - 100
onAffectParticles: {
for (var i=0; i<particles.length; i++) {
var particle = particles[i];
if (particle.r == 0.0) {
particle.r = Math.random() + 0.01;
}
particle.rotation += velocity * particle.r * dt;
particle.r -= particle.rotation * coefficient;
if (particle.r == 0.0)
particle.r -= particle.rotation * 0.000001;
particle.update = 1;
}
}
}
Affector {
x: -60
width: parent.width + 120
height: 100
anchors.bottom: parent.bottom
onAffectParticles: {
for (var i=0; i<particles.length; i++) {
var particle = particles[i];
var pseudoRand = (Math.floor(particle.t*1327) % 10) + 1;
var yslow = dt * pseudoRand * 0.5 + 1;
var xslow = dt * pseudoRand * 0.05 + 1;
if (particle.vy < 1)
particle.vy = 0;
else
particle.vy = (particle.vy / yslow);
if (particle.vx < 1)
particle.vx = 0;
else
particle.vx = (particle.vx / xslow);
particle.update = true;
}
}
}
ImageParticle {
anchors.fill: parent
id: particles
sprites: [Sprite {
source: "../../images/realLeaf1.png"
frameCount: 1
frameDuration: 1
to: {"a":1, "b":1, "c":1, "d":1}
}, Sprite {
name: "a"
source: "../../images/realLeaf1.png"
frameCount: 1
frameDuration: 10000
},
Sprite {
name: "b"
source: "../../images/realLeaf2.png"
frameCount: 1
frameDuration: 10000
},
Sprite {
name: "c"
source: "../../images/realLeaf3.png"
frameCount: 1
frameDuration: 10000
},
Sprite {
name: "d"
source: "../../images/realLeaf4.png"
frameCount: 1
frameDuration: 10000
}
]
z:4
}
}
}