/**
* Returns a normalized version of this array. Called getPercent() for consistency with the Dict
* classes. It's a getter method because it needs to returns a new list (because IntList/Dict
* can't do percentages or normalization in place on int values).
*/
public FloatList getPercent() {
double sum = 0;
for (float value : array()) {
sum += value;
}
FloatList outgoing = new FloatList(count);
for (int i = 0; i < count; i++) {
double percent = data[i] / sum;
outgoing.set(i, (float) percent);
}
return outgoing;
}
// --------------------------------------------------------
private void calculPositionAndAngle() {
PVector prev = new PVector(0, 0);
PVector next;
for (int i = 0; i < n; i++) {
next = new PVector();
// Position
if (i == 0) {
next = new PVector(0, 0);
} else {
next.x = prev.x + cos(random(angleMini - HALF_PI, angleMax - HALF_PI)) * distance;
next.y = prev.y + sin(random(angleMini - HALF_PI, angleMax - HALF_PI)) * distance;
// Angle
float a = atan2(prev.y - next.y, prev.x - next.x) - HALF_PI;
angle.append(a);
if (i == n - 1) lastAngle = a;
}
// Add position
position.add(next);
distance *= 1.01f;
prev.set(next);
}
}
// -------------------------------------------
public void calcul() {
// UP - left side
for (int i = 0; i < position.size(); i++) {
PVector p = position.get(i);
PVector pp = new PVector();
pp.x = cos(angles.get(i) + HALF_PI) * radius[i] + p.x + initPosition.x;
pp.y = sin(angles.get(i) + HALF_PI) * radius[i] + p.y + initPosition.y;
pointForm.add(pp);
}
// DOWN - right side
for (int i = position.size() - 1; i >= 0; i--) {
PVector p = position.get(i);
PVector pp = new PVector();
pp.x = cos(angles.get(i) - HALF_PI) * radius[i] + p.x + initPosition.x;
pp.y = sin(angles.get(i) - HALF_PI) * radius[i] + p.y + initPosition.y;
pointForm.add(pp);
}
}
public FloatList copy() {
FloatList outgoing = new FloatList(data);
outgoing.count = count;
return outgoing;
}
public void insert(int index, FloatList list) {
insert(index, list.values());
}
public void append(FloatList list) {
for (float v : list.values()) { // will concat the list...
append(v);
}
}
/** @nowebref */
public JSONArray(FloatList list) {
myArrayList = new ArrayList<Object>();
for (float item : list.values()) {
myArrayList.add(new Float(item));
}
}
// --------------------------------------------------------
private void calculPositionAndAngle() {
PVector prev = new PVector(0, 0);
PVector next = new PVector(0, 0);
float lastAngle = 0, randomAngle, tempAmplitude;
// Position
for (int i = 0; i < n; i++) {
if (i == 0) {
position.add(next);
} else {
tempAmplitude = amplitude;
next = new PVector(0, 0);
do {
randomAngle = random(-tempAmplitude, tempAmplitude) + lastAngle;
next.x = prev.x + cos(randomAngle + beginAngle) * distance;
next.y = prev.y + sin(randomAngle + beginAngle) * distance;
tempAmplitude += radians(1);
} while (outside(next, border));
// Angle
float a = atan2(prev.y - next.y, prev.x - next.x);
lastAngle = randomAngle;
// Add position
position.add(next);
// Set prev to next
prev.set(next);
}
}
// Angle
for (int i = 0; i < n; i++) {
float a;
if (i == 0) {
// a = atan2(position.get(0).y-position.get(1).y,position.get(0).x-position.get(1).x);
angle.append(beginAngle - PI);
} else if (i == n - 1) {
a =
atan2(
position.get(n - 2).y - position.get(n - 1).y,
position.get(n - 2).x - position.get(n - 1).x);
angle.append(a);
} else {
a =
atan2(
position.get(i - 1).y - position.get(i + 1).y,
position.get(i - 1).x - position.get(i + 1).x);
angle.append(a);
}
}
}