private void cloudWithoutColor(VectorFloat maxPoint, VectorFloat minPoint)
throws NullPointerException {
float x, y, z;
for (int i = 1; i < totalPoints; i++) {
x = buffer.getFloat(i * 12);
y = buffer.getFloat((i * 12) + 4);
z = buffer.getFloat((i * 12) + 8);
if (x > maxPoint.getX()) maxPoint.setX(x);
if (y > maxPoint.getY()) maxPoint.setY(y);
if (z > maxPoint.getZ()) maxPoint.setZ(z);
if (x < minPoint.getX()) minPoint.setX(x);
if (y < minPoint.getY()) minPoint.setY(y);
if (z < minPoint.getZ()) minPoint.setZ(z);
}
}
@Override
public void run() {
VectorFloat maxPoint = new VectorFloat(3);
VectorFloat minPoint = new VectorFloat(3);
maxPoint.setX(buffer.getFloat(0));
maxPoint.setY(buffer.getFloat(4));
maxPoint.setZ(buffer.getFloat(8));
minPoint.setX(maxPoint.getX());
minPoint.setY(maxPoint.getY());
minPoint.setZ(maxPoint.getZ());
// Esse try/catch aqui está pois uma vez o aplicativo deu crash sem explicação.
// Deu a exceção NullPointerException na 4ª linha do método cloudWithColor.
try {
if (mPointCloudWithColor) cloudWithColor(maxPoint, minPoint);
else cloudWithoutColor(maxPoint, minPoint);
} catch (NullPointerException e) {
initSomePoints();
run();
}
mediumPoint.setX((maxPoint.getX() + minPoint.getX()) * 0.5f);
mediumPoint.setY((maxPoint.getY() + minPoint.getY()) * 0.5f);
mediumPoint.setZ((maxPoint.getZ() + minPoint.getZ()) * 0.5f);
byte option = 0x00;
float maxP_X = Math.abs(maxPoint.getX()), minP_X = Math.abs(minPoint.getX());
float maxP_Y = Math.abs(maxPoint.getY()), minP_Y = Math.abs(minPoint.getY());
if (maxP_X > minP_X && maxP_X > maxP_Y && maxP_X > minP_Y) option = 0x01;
else if (minP_X > maxP_X && minP_X > maxP_Y && minP_X > minP_Y) option = 0x02;
else if (maxP_Y > maxP_X && maxP_Y > minP_Y && maxP_Y > minP_Y) option = 0x04;
else option = 0x08;
if ((option & 0x01) != 0) zoomNeeded = -(maxP_X + mediumPoint.norm());
else if ((option & 0x02) != 0) zoomNeeded = -(minP_X + mediumPoint.norm());
else if ((option & 0x04) != 0) zoomNeeded = -(maxP_Y + mediumPoint.norm());
else zoomNeeded = -(minP_Y + mediumPoint.norm());
synchronized (this) {
mediumPointCalculated = true;
notify();
}
}