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Removing Topics from SVN
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@@ -1,47 +0,0 @@
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// A subclass of Particle
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class CrazyParticle extends Particle {
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// Just adding one new variable to a CrazyParticle
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// It inherits all other fields from "Particle", and we don't have to retype them!
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float theta;
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// The CrazyParticle constructor can call the parent class (super class) constructor
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CrazyParticle(PVector l) {
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// "super" means do everything from the constructor in Particle
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super(l);
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// One more line of code to deal with the new variable, theta
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theta = 0.0;
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}
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// Notice we don't have the method run() here; it is inherited from Particle
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// This update() method overrides the parent class update() method
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void update() {
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super.update();
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// Increment rotation based on horizontal velocity
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float theta_vel = (vel.x * vel.mag()) / 10.0f;
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theta += theta_vel;
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}
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// Override timer
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void timer() {
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timer -= 0.5;
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}
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// Method to display
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void render() {
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// Render the ellipse just like in a regular particle
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super.render();
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// Then add a rotating line
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pushMatrix();
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translate(loc.x,loc.y);
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rotate(theta);
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stroke(255,timer);
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line(0,0,25,0);
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popMatrix();
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}
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}
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