// The Constructor (called when the object is first created)
Particle(Vector3D a, Vector3D v, Vector3D l, float r_) {
acc = a.copy();
vel = v.copy();
loc = l.copy();
r = r_;
timer = 100.0f;
}
// look, we can have more than one constructor!
Particle(Vector3D l) {
acc = new Vector3D(0, 0.05f, 0);
// ooooh, bad random, random bad
vel = new Vector3D(random(-1, 1), random(-2, 0), 0);
loc = l.copy();
r = 10.0f;
timer = 100.0f;
}
// This constructor could be improved to allow a greater variety of pendulums
Pendul(Vector3D origin_, float r_) {
// Fill all variables
origin = origin_.copy();
r = r_;
theta = 0.0f;
// calculate the location of the ball using polar to cartesian conversion
float x = r * sin(theta);
float y = r * cos(theta);
loc = new Vector3D(origin.x + x, origin.y + y);
theta_vel = 0.0f;
theta_acc = 0.0f;
damping = 0.995f; // Arbitrary damping
ballr = 16.0f; // Arbitrary ball radius
}