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moving getting started to the books subfolder
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// Example 11-08 from "Getting Started with Processing"
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// by Reas & Fry. O'Reilly / Make 2010
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import processing.serial.*;
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Serial port; // Create object from Serial class
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float val; // Data received from the serial port
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int x;
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float easing = 0.05;
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float easedVal;
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void setup() {
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size(440, 440);
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frameRate(30);
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smooth();
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String arduinoPort = Serial.list()[0];
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port = new Serial(this, arduinoPort, 9600);
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background(0);
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}
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void draw() {
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if ( port.available() > 0) { // If data is available,
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val = port.read(); // read it and store it in val
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val = map(val, 0, 255, 0, height); // Convert the values
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}
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float targetVal = val;
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easedVal += (targetVal - easedVal) * easing;
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stroke(0);
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line(x, 0, x, height); // Black line
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stroke(255);
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line(x+1, 0, x+1, height); // White line
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line(x, 220, x, val); // Raw value
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line(x, 440, x, easedVal + 220); // Averaged value
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x++;
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if (x > width) {
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x = 0;
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}
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}
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