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Corretions and refinements to the String examples
This commit is contained in:
Federico Vanzati
@ -25,8 +25,13 @@ int currentColor = 0;
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int red, green, blue = 0;
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void setup() {
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// Initialize serial communications:
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// Open serial communications and wait for port to open:
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Serial.begin(9600);
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// this check is only needed on the Leonardo:
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while (!Serial) ;
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;
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Serial.println("\n\nString toInt() RGB:");
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// set LED cathode pins as outputs:
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pinMode(9, OUTPUT);
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pinMode(10, OUTPUT);
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@ -102,122 +107,122 @@ void loop() {
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/*
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Here's a Processing sketch that will draw a color wheel and send a serial
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string with the color you click on:
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// Subtractive Color Wheel with Serial
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// Based on a Processing example by Ira Greenberg.
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// Serial output added by Tom Igoe
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//
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// The primaries are red, yellow, and blue. The secondaries are green,
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// purple, and orange. The tertiaries are yellow-orange, red-orange,
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// red-purple, blue-purple, blue-green, and yellow-green.
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//
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// Create a shade or tint of the subtractive color wheel using
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// SHADE or TINT parameters.
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// Updated 29 November 2010.
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import processing.serial.*;
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int segs = 12;
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int steps = 6;
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float rotAdjust = TWO_PI / segs / 2;
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float radius;
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float segWidth;
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float interval = TWO_PI / segs;
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Serial myPort;
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void setup() {
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size(200, 200);
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background(127);
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smooth();
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ellipseMode(RADIUS);
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noStroke();
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// make the diameter 90% of the sketch area
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radius = min(width, height) * 0.45;
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segWidth = radius / steps;
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// swap which line is commented out to draw the other version
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// drawTintWheel();
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drawShadeWheel();
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// open the first serial port in your computer's list
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myPort = new Serial(this, Serial.list()[0], 9600);
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}
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void drawShadeWheel() {
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for (int j = 0; j < steps; j++) {
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color[] cols = {
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color(255-(255/steps)*j, 255-(255/steps)*j, 0),
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color(255-(255/steps)*j, (255/1.5)-((255/1.5)/steps)*j, 0),
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color(255-(255/steps)*j, (255/2)-((255/2)/steps)*j, 0),
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color(255-(255/steps)*j, (255/2.5)-((255/2.5)/steps)*j, 0),
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color(255-(255/steps)*j, 0, 0),
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color(255-(255/steps)*j, 0, (255/2)-((255/2)/steps)*j),
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color(255-(255/steps)*j, 0, 255-(255/steps)*j),
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color((255/2)-((255/2)/steps)*j, 0, 255-(255/steps)*j),
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color(0, 0, 255-(255/steps)*j),
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color(0, 255-(255/steps)*j, (255/2.5)-((255/2.5)/steps)*j),
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color(0, 255-(255/steps)*j, 0),
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color((255/2)-((255/2)/steps)*j, 255-(255/steps)*j, 0)
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};
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for (int i = 0; i < segs; i++) {
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fill(cols[i]);
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arc(width/2, height/2, radius, radius,
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interval*i+rotAdjust, interval*(i+1)+rotAdjust);
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}
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radius -= segWidth;
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}
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}
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void drawTintWheel() {
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for (int j = 0; j < steps; j++) {
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color[] cols = {
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color((255/steps)*j, (255/steps)*j, 0),
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color((255/steps)*j, ((255/1.5)/steps)*j, 0),
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color((255/steps)*j, ((255/2)/steps)*j, 0),
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color((255/steps)*j, ((255/2.5)/steps)*j, 0),
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color((255/steps)*j, 0, 0),
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color((255/steps)*j, 0, ((255/2)/steps)*j),
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color((255/steps)*j, 0, (255/steps)*j),
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color(((255/2)/steps)*j, 0, (255/steps)*j),
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color(0, 0, (255/steps)*j),
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color(0, (255/steps)*j, ((255/2.5)/steps)*j),
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color(0, (255/steps)*j, 0),
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color(((255/2)/steps)*j, (255/steps)*j, 0)
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};
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for (int i = 0; i < segs; i++) {
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fill(cols[i]);
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arc(width/2, height/2, radius, radius,
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interval*i+rotAdjust, interval*(i+1)+rotAdjust);
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}
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radius -= segWidth;
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}
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}
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void draw() {
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// nothing happens here
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}
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void mouseReleased() {
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// get the color of the mouse position's pixel:
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color targetColor = get(mouseX, mouseY);
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// get the component values:
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int r = int(red(targetColor));
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int g = int(green(targetColor));
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int b = int(blue(targetColor));
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// make a comma-separated string:
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String colorString = r + "," + g + "," + b + "\n";
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// send it out the serial port:
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myPort.write(colorString );
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}
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*/
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string with the color you click on:
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// Subtractive Color Wheel with Serial
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// Based on a Processing example by Ira Greenberg.
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// Serial output added by Tom Igoe
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//
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// The primaries are red, yellow, and blue. The secondaries are green,
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// purple, and orange. The tertiaries are yellow-orange, red-orange,
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// red-purple, blue-purple, blue-green, and yellow-green.
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//
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// Create a shade or tint of the subtractive color wheel using
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// SHADE or TINT parameters.
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// Updated 29 November 2010.
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import processing.serial.*;
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int segs = 12;
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int steps = 6;
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float rotAdjust = TWO_PI / segs / 2;
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float radius;
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float segWidth;
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float interval = TWO_PI / segs;
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Serial myPort;
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void setup() {
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size(200, 200);
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background(127);
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smooth();
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ellipseMode(RADIUS);
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noStroke();
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// make the diameter 90% of the sketch area
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radius = min(width, height) * 0.45;
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segWidth = radius / steps;
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// swap which line is commented out to draw the other version
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// drawTintWheel();
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drawShadeWheel();
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// open the first serial port in your computer's list
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myPort = new Serial(this, Serial.list()[0], 9600);
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}
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void drawShadeWheel() {
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for (int j = 0; j < steps; j++) {
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color[] cols = {
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color(255-(255/steps)*j, 255-(255/steps)*j, 0),
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color(255-(255/steps)*j, (255/1.5)-((255/1.5)/steps)*j, 0),
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color(255-(255/steps)*j, (255/2)-((255/2)/steps)*j, 0),
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color(255-(255/steps)*j, (255/2.5)-((255/2.5)/steps)*j, 0),
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color(255-(255/steps)*j, 0, 0),
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color(255-(255/steps)*j, 0, (255/2)-((255/2)/steps)*j),
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color(255-(255/steps)*j, 0, 255-(255/steps)*j),
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color((255/2)-((255/2)/steps)*j, 0, 255-(255/steps)*j),
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color(0, 0, 255-(255/steps)*j),
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color(0, 255-(255/steps)*j, (255/2.5)-((255/2.5)/steps)*j),
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color(0, 255-(255/steps)*j, 0),
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color((255/2)-((255/2)/steps)*j, 255-(255/steps)*j, 0)
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};
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for (int i = 0; i < segs; i++) {
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fill(cols[i]);
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arc(width/2, height/2, radius, radius,
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interval*i+rotAdjust, interval*(i+1)+rotAdjust);
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}
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radius -= segWidth;
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}
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}
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void drawTintWheel() {
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for (int j = 0; j < steps; j++) {
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color[] cols = {
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color((255/steps)*j, (255/steps)*j, 0),
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color((255/steps)*j, ((255/1.5)/steps)*j, 0),
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color((255/steps)*j, ((255/2)/steps)*j, 0),
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color((255/steps)*j, ((255/2.5)/steps)*j, 0),
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color((255/steps)*j, 0, 0),
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color((255/steps)*j, 0, ((255/2)/steps)*j),
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color((255/steps)*j, 0, (255/steps)*j),
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color(((255/2)/steps)*j, 0, (255/steps)*j),
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color(0, 0, (255/steps)*j),
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color(0, (255/steps)*j, ((255/2.5)/steps)*j),
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color(0, (255/steps)*j, 0),
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color(((255/2)/steps)*j, (255/steps)*j, 0)
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};
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for (int i = 0; i < segs; i++) {
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fill(cols[i]);
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arc(width/2, height/2, radius, radius,
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interval*i+rotAdjust, interval*(i+1)+rotAdjust);
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}
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radius -= segWidth;
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}
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}
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void draw() {
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// nothing happens here
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}
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void mouseReleased() {
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// get the color of the mouse position's pixel:
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color targetColor = get(mouseX, mouseY);
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// get the component values:
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int r = int(red(targetColor));
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int g = int(green(targetColor));
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int b = int(blue(targetColor));
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// make a comma-separated string:
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String colorString = r + "," + g + "," + b + "\n";
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// send it out the serial port:
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myPort.write(colorString );
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}
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*/
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