public void applyForce() {
// force is proportional to the diff between restLen and current idst
// a vector from A --> B
Vector diff = new Vector(endA.pos, endB.pos);
// compute the current distance
float dist = diff.getMagnitude();
// compute dx, which is what the force depends on
float dx = Math.abs(dist - restLen);
// a vector containing just the direction component of A --> B
Vector dir = diff.copy().normalize();
Vector force = dir.copy().scale(-K * dx, -K * dx);
if (restLen < getDistance()) {
// forces go INWARDS
endB.addForce(force);
endA.addForce(force.reverse());
} else {
// forces go OUTWARDS
endA.addForce(force);
endB.addForce(force.reverse());
}
}
private void drawShooter() {
stroke(255);
double x2 =
width / 2
- 75
* (Math.cos(radians((float) angledegrees))); // calculates point to draw line from
double y2 =
75
* (Math.sin(
radians(
(float)
angledegrees))); // calculates y co-ord to draw line from using trig
// fucntions
line(
width / 2,
height - (15 * height / 480),
(float) x2,
height - (15 * height / 480) - (float) y2); // draws line
if (angledegrees == 170
|| angledegrees == 10) { // stop ball being shot horizontally. HAHA WE DIDN'T FORGET!!!
increase = increase * -1; // sets shooter to rotate in opposite direction
}
if (canfire) { // checks if can fire
angledegrees +=
increase; // increases only when true. This stops the animation whil ball is moving
}
}
public void run() {
while (running) {
if (!paused) {
if (mode == 0) {
for (double i = 0; i < 3.14f; i = i + 0.1f) {
for (int j = 0; j < 12; j++) {
double osc = Math.sin(i) * 127;
int value = (int) osc;
MIDILight(j, value);
}
delay(30);
}
for (double i = 3.14f; i >= 0; i = i - 0.1f) {
for (int j = 0; j < 12; j++) {
double osc = Math.sin(i) * 127;
int value = (int) osc;
MIDILight(j, value);
}
delay(30);
}
} else if (mode == 1) {
for (int j = 0; j < 12; j++) {
MIDILight(j, 127);
}
mode = 1000;
} else if (mode == 2) {
for (int j = 0; j < 12; j++) {
MIDILight(j, 0);
}
mode = 1000;
} else if (mode == 3) {
int controller = (int) random(12);
int randomValue = (int) random(127);
MIDILight(controller, randomValue);
delay(30);
} else if (mode == 4) {
for (int i = 0; i < 64; i++) {
for (int j = 0; j < 12; j++) {
MIDILight(j, i * 2);
}
delay(20);
}
for (int i = 63; i >= 0; i--) {
for (int j = 0; j < 12; j++) {
MIDILight(j, i * 2);
}
delay(20);
}
} else {
delay(10);
// FIX THIS. WITHOUT THIS THE CPU USE GOES THROUGH THE ROOF. NEED A WAY
// TO SLEEP THIS THREAD WHEN IT'S NOT IN USE.
}
}
}
System.out.println(id + " thread is done!");
}
public boolean isPrime(double dNum) {
for (int i = 2; i <= Math.sqrt(dNum); i++) {
if (dNum % i == 0) {
return false;
}
}
return true;
}
