kld7-processing/detection.pde

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class Detection {
public int distance, x, y;
public float speed, angle, magnitude, radAngle, distPx;
public boolean freshData;
public Detection(byte[] data) {
ByteBuffer bb = ByteBuffer.wrap(data);
bb.order(ByteOrder.LITTLE_ENDIAN);
distance = bb.getShort();
speed = bb.getShort() / 100.0;
angle = bb.getShort() / 100.0;
magnitude = bb.getShort() / 100.0;
radAngle = radians(angle);
distPx = 500.0 / max_distance * distance;
x = round(w_1_2 + sin(radAngle) * distPx);
y = round(500 - abs(cos(radAngle)) * distPx);
freshData = true;
}
public String toString() {
return String.format("%d\t%3.1f\t%5.2f\t%4.2f\t%5.2f\t%d\t%d", millis(), distance/100.0, speed, angle, magnitude, x, y);
}
}
public Detection[] parseDetectionData(byte[] data) {
int sets = data.length / 8;
Detection[] results = new Detection[sets];
for(int i=0; i<sets; i++) {
results[i] = new Detection(subset(data, i*8, 8));
}
return results;
}