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Removing Topics from SVN
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@@ -1,69 +0,0 @@
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// A simple Particle class, renders the particle as an image
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class Particle {
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PVector loc;
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PVector vel;
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PVector acc;
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float timer;
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PImage img;
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// One constructor
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Particle(PVector a, PVector v, PVector l, PImage img_) {
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acc = a.get();
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vel = v.get();
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loc = l.get();
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timer = 100.0;
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img = img_;
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}
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// Another constructor (the one we are using here)
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Particle(PVector l,PImage img_) {
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acc = new PVector(0.0,0.0,0.0);
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float x = (float) generator.nextGaussian()*0.3f;
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float y = (float) generator.nextGaussian()*0.3f - 1.0f;
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vel = new PVector(x,y,0);
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loc = l.get();
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timer = 100.0;
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img = img_;
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}
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void run() {
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update();
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render();
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}
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// Method to apply a force vector to the Particle object
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// Note we are ignoring "mass" here
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void add_force(PVector f) {
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acc.add(f);
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}
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// Method to update location
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void update() {
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vel.add(acc);
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loc.add(vel);
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timer -= 2.5;
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acc.mult(0);
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}
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// Method to display
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void render() {
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imageMode(CORNER);
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tint(255,timer);
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image(img,loc.x-img.width/2,loc.y-img.height/2);
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}
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// Is the particle still useful?
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boolean dead() {
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if (timer <= 0.0) {
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return true;
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} else {
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return false;
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}
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}
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}
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