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laser_letters.pde
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laser_letters.pde
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// CC teddavis.org + students 2016
// built in Processing 3.1.1
/*---- SETTINGS ---------------------------------------*/
//template ver. 05
char myKey = 'a'; // change this to your letter (and setup/draw below)
boolean showEQ = false; // for testing audio input
boolean drawLaserLines = true; // draws laser lines (final: will be off)
boolean fullScreenToggle = true; // toggle fullscreen (final: will be on)
/*---- SHARED CODE BELOW -----------------------------*/
/*---- LEARN HOW/WHY BELOW, IT STAYS SAME FOR ALL ----*/
//STRUCTURE
boolean doSetup = true;
//TYPE
import geomerative.*;
RShape grp;
RPoint[][] pointPaths; // 2D array = an array of arrays!
PFont myFont;
String myTextFont = "FreeSans.ttf";
float myTextSize = 250;
float myTextLength = 25;
String myText = myKey+"";
boolean shiftDown = false;
boolean useLowerCase = false;
//AUDIO
import ddf.minim.*;
import ddf.minim.analysis.*;
Minim minim;
FFT fft;
AudioInput in;
float amp = 15; // from testing, 15 seems to be good...
float ampWave; // used to strengthen signal
float avgAudio; // store avg volume
float maxAudio = 10; // store loudest volume
float easeAudio;
float easing = 0.25; // easing amount
//ANIMATION
String credits = "";
float creditsTimer = 0;
//TEASER
boolean showTeaser = false;
RShape tsgrp, tstsgrp2;
RPoint[][] tspointPaths, tstspointPaths2; // 2D array = an array of arrays!
void settings() {
if (!fullScreenToggle) {
size(800, 500, P3D);
} else {
fullScreen(P3D);
}
}
void setup() {
background(0);
//TYPE
RG.init(this);
myFont = createFont("FreeSans.ttf", height*.020);
//AUDIO
minim = new Minim(this); // initalize in setup
in = minim.getLineIn(Minim.STEREO, 512); // audio in + bufferSize 512 or 1024
fft = new FFT(in.bufferSize(), in.sampleRate());
fft.logAverages(22, 3); // 3 = 30, 4 = 40, etc..
ampWave = amp*10;
noCursor();
//LASER
osc = new OscP5( this, 12346 );
receiver = new NetAddress( "127.0.0.1", 12345 );
frameRate(24);
}
void draw() {
//LASER
myBundle = new OscBundle();
oscMSG = new OscMessage("/clear");
myBundle.add(oscMSG);
oscMSG.clear();
//AUDIO
updateAvgAudio();
pushMatrix();
pushStyle();
//SETUP
if (doSetup) {
useLowerCase = false; // defaults
drawLaserLines = false; // defaults
if(!showTeaser){
method(Character.toLowerCase(myKey)+"Setup");
}
strokeWeight(1.35);
doSetup = false;
}
// DRAW DYNA-LOAD sketches as functions!
if(!showTeaser){
method(Character.toLowerCase(myKey)+"Draw");
}else{
teaser();
}
popStyle();
popMatrix();
//CREDITS
showCredits(); // <- put your name[s] there!
if (showEQ) {
drawEQ();
}
// SEND OSC » LASER
osc.send(myBundle, receiver);
}
void calibrate() {
pushStyle();
strokeWeight(3);
fill(255);
stroke(255);
line(-width/2, -height/2, width/2, height/2);
line(-width/2, height/2, width/2, -height/2);
float xb = 50;
xstroke(150, 150, 0);
xrectMode(CENTER);
// xrect(0, 0, width/2, height/2);
//xellipse(0,0,width/2, width/2);
xline(-width/2+xb, -height/2+xb, width/2-xb, height/2-xb);
xline(-width/2+xb, height/2-xb, width/2-xb, -height/2+xb);
popStyle();
}
void xymode() {
xstroke(0, 255, 0);
xbeginShape();
for (int i = 0; i < in.bufferSize(); i+=2) {
float x = 1+in.left.get(i)*ampWave; // left audio channel
float y = 1+in.right.get(i)*ampWave; // right audio channel
xvertex(x, y); // use vertex(x, y); for straight lines
}
xendShape();
}
void keyPressed() {
println(keyCode);
//AUDIO AMP
if (keyCode == 38) { // up arrow
amp += 5;
ampWave = amp*10;
return;
} else if (keyCode == 40) { // down arrow
amp -= 5;
if (amp < 5) {
amp = 5;
}
ampWave = amp*10;
return;
}
if (keyCode >=65 && keyCode <= 95 && keyCode != 91 && keyCode != 92 && keyCode !=93) { // only A - Z
if (!shiftDown) {
showTeaser = false;
myKey = key;
creditsTimer = 0;
doSetup = true;
}
myText = key + ""; // replaces letter
} else if (keyCode == 16) {
shiftDown = true;
} else if (keyCode == 8) {
noLoop();
} else if (keyCode == 32) {
//saveShot();
showTeaser = true;
}else if(keyCode == 18 || keyCode == 17 || keyCode == 9 || keyCode == 157 || keyCode == 27){
}else{
myText = key + "";
}
}
void keyReleased() {
if (keyCode == 16) {
shiftDown = false;
} else if (keyCode == 8) {
loop();
}
}
// UPDATE AUDIO INPUTS
void updateAvgAudio() {
fft.forward(in.mix); // update FFT anaylsis
for (int i = 0; i < fft.avgSize (); i++) {
avgAudio+= abs(fft.getAvg(i)*amp); // duplicate everything for stereo w/ right too!
}
avgAudio /= fft.avgSize();
// update easeAudio
float targetX = avgAudio; // grabs latest avgAudio
float dx = targetX - easeAudio; // calculates difference to current easeAudio
easeAudio += dx * easing;
// update maxAudio
if (frameCount%120 == 0) {
maxAudio = 10;
} else if (avgAudio > maxAudio) {
maxAudio = avgAudio;
}
}
// poor mans faded BG
void backgroundFade(int alpha) {
pushMatrix();
pushStyle();
noStroke();
fill(0, alpha); // fill(color, alpha)
rectMode(CORNER);
rect(0, 0, width, height); // background-like, but with alpha = poor mans fade!
popStyle();
popMatrix();
}
// optional EQ for testing inputs
void drawEQ() {
for (int i=0; i < fft.avgSize (); i++) {
float x = map(i, 0, fft.avgSize(), 0, width);
float w = width/fft.avgSize();
float a = fft.getAvg(i)*amp;
noFill();
stroke(a);
rect(x, height, w, -a); // -a to make rectangle grow upwards!
}
fill(255);
text("avgAudio", width-100, 40);
rect(width, 50, -avgAudio, 50);
text("easeAudio", width-100, 140);
rect(width, 150, -easeAudio, 50);
text("maxAudio", width-100, 240);
rect(width, 250, -maxAudio, 50);
noFill();
}
// update TYPE
void processType() {
if (!useLowerCase) {
myText = myText.toUpperCase();
}
grp = RG.getText(myText, myTextFont, 250, CENTER);
grp = RG.centerIn(grp, g, constrain(map(myTextSize, 0, height, height*.5, 0), 0, height*.5));
RG.setPolygonizer(RG.UNIFORMLENGTH); // type of division
RG.setPolygonizerLength(myTextLength); // size of divisions
pointPaths = grp.getPointsInPaths(); // get coordinates for every point
}
// CREDITS
PGraphics creditsPG;
void showCredits() {
creditsPG = createGraphics(int(width*.25), int(height*.5));
creditsPG.beginDraw();
creditsPG.fill(255);
creditsPG.textFont(myFont);
creditsPG.textLeading(height*.03);
String info = "\n\n---------------------\n[a – z] » visualization \nSHIFT + [a – z] » letter \n↑ – ↓ » audio sensitivity"; // \nspace » snapshot";
creditsPG.text("THE BASEL SCHOOL OF DESIGN \nINTRODUCTION MEDIUM II – 2016 \nPROCESSING – LASER LETTERS \n\n---------------------\n"+credits.toUpperCase() + info.toUpperCase(), 20, 40);
creditsPG.text("THE BASEL SCHOOL OF DESIGN \nINTRODUCTION MEDIUM II – 2016 \nPROCESSING – LASER LETTERS \n\n---------------------\n"+credits.toUpperCase() + info.toUpperCase(), 20, 40);
creditsTimer += 2;
if (creditsTimer > 255) {
creditsTimer = 255;
}
creditsPG.endDraw();
tint(255-creditsTimer);
if (creditsTimer < 255) {
image(creditsPG, 0, 0);
}
}
void saveShot() {
String date = new java.text.SimpleDateFormat("yy_MM_dd_kkmmss_SSS").format(new java.util.Date ());
saveFrame("ll_snapshots/ll_"+date+".png");
}
// OSC LASER TALK
import oscP5.*;
import netP5.*;
OscP5 osc;
NetAddress receiver;
OscMessage oscMSG;
OscBundle myBundle;
int rectM;
// LASER FUNCTIONS
/***** stroke */
void xstroke(float r1, float g1, float b1) {
if (drawLaserLines) {
stroke(r1, g1, b1);
}
oscMSG = new OscMessage("/stroke");
oscMSG.add(r1);
oscMSG.add(g1);
oscMSG.add(b1);
myBundle.add(oscMSG);
oscMSG.clear();
}
/***** rectMode */
void xrectMode(int c) {
if (c == 0) {
rectMode(CORNER);
rectM = 0;
oscMSG = new OscMessage("/rectMode");
oscMSG.add(0);
myBundle.add(oscMSG);
oscMSG.clear();
} else if (c == 3) {
rectMode(CENTER);
rectM = 3;
oscMSG = new OscMessage("/rectMode");
oscMSG.add(3);
myBundle.add(oscMSG);
oscMSG.clear();
}
}
/***** rect */
void xrect(float x1, float y1, float w1, float h1) {
if (!drawLaserLines) {
noStroke();
}
if (rectM == 3) {
x1 -= w1/2;
y1 -= h1/2;
w1 /= 2;
h1 /= 2;
}
vertexRect(x1, y1, w1, h1);
}
void vertexRect(float x1, float y1, float w1, float h1) {
xbeginShape();
xvertex(x1, y1);
xvertex(x1+w1, y1);
xvertex(x1+w1, y1+h1);
xvertex(x1, y1+h1);
xvertex(x1, y1);
xendShape();
}
/***** ellipse */
void xellipse(float x1, float y1, float w1, float h1) {
if (!drawLaserLines) {
noStroke();
}
vertexEllipse(x1, y1, w1, h1);
}
// vertexEllipse!
// based on http://stackoverflow.com/questions/5886628/effecient-way-to-draw-ellipse-with-opengl-or-d3d
void vertexEllipse(float cx, float cy, float rx, float ry)
{
int num_segments = 30;
float theta = 2 * 3.1415926 / float(num_segments);
float c = cos(theta);//precalculate the sine and cosine
float s = sin(theta);
float t;
float x = 1;//we start at angle = 0
float y = 0;
xbeginShape();
for (int ii = 0; ii < num_segments+1; ii++)
{
//apply radius and offset
xvertex(x * rx + cx, y * ry + cy);//output vertex
//apply the rotation matrix
t = x;
x = c * x - s * y;
y = s * t + c * y;
}
xendShape();
}
/***** point */
void xpoint(float x1, float y1, float z1) {
xpoint(x1, y1);
}
void xpoint(float x1, float y1) {
if (!drawLaserLines) {
noStroke();
} else {
point(x1, y1);
}
String shape = "point";
//println(screenX(x2,y2));
float x1out = map(screenX(x1, y1), 0, width, 0, 1);
float y1out = map(screenY(x1, y1), 0, height, 0, 1);
oscMSG = new OscMessage("/shape");
oscMSG.add(shape);
oscMSG.add(x1out);
oscMSG.add(y1out);
myBundle.add(oscMSG);
oscMSG.clear();
}
/***** line */
void xline(float x1, float y1, float x2, float y2) {
if (drawLaserLines) {
//noStroke();
line(x1, y1, x2, y2);
} else {
}
String shape = "line";
//println(screenX(x2,y2));
float x1out = map(screenX(x1, y1), 0, width, 0, 1);
float y1out = map(screenY(x1, y1), 0, height, 0, 1);
float x2out = map(screenX(x2, y2), 0, width, 0, 1);
float y2out = map(screenY(x2, y2), 0, height, 0, 1);
oscMSG = new OscMessage("/shape");
oscMSG.add(shape);
oscMSG.add(x1out);
oscMSG.add(y1out);
oscMSG.add(x2out);
oscMSG.add(y2out);
myBundle.add(oscMSG);
oscMSG.clear();
}
boolean vertexInit = false;
boolean vertexEnd = false;
ArrayList<PVector> v1;
/***** beginShape */
void xbeginShape() {
vertexInit = true;
v1 = new ArrayList<PVector>();
oscMSG = new OscMessage("/beginShape");
myBundle.add(oscMSG);
oscMSG.clear();
}
void xcurveVertex(float x1, float y1) {
xvertex(x1, y1);
}
void xcurveVertex(float x1, float y1, float z1) {
xvertex(x1, y1, z1);
}
void xvertex(float x1, float y1) {
float x1out = map(screenX(x1, y1), 0, width, 0, 1);
float y1out = map(screenY(x1, y1), 0, height, 0, 1);
PVector vtemp = new PVector(x1, y1);
v1.add(vtemp);
oscMSG = new OscMessage("/vertex");
oscMSG.add(x1out);
oscMSG.add(y1out);
myBundle.add(oscMSG);
oscMSG.clear();
}
void xvertex(float x1, float y1, float z1) {
float x1out = map(screenX(x1, y1, z1), 0, width, 0, 1);
float y1out = map(screenY(x1, y1, z1), 0, height, 0, 1);
PVector vtemp = new PVector(x1, y1, z1);
v1.add(vtemp);
oscMSG = new OscMessage("/vertex");
oscMSG.add(x1out);
oscMSG.add(y1out);
myBundle.add(oscMSG);
oscMSG.clear();
}
/***** endShape */
void xendShape() {
// CLOSE = 2
if (!drawLaserLines) {
noStroke();
}
beginShape();
for (int i=0; i<v1.size(); i++) {
PVector vtemp = v1.get(i);
if (vtemp.z != 0) {
vertex(vtemp.x, vtemp.y, vtemp.z);
} else {
vertex(vtemp.x, vtemp.y);
}
}
endShape();
vertexInit = false;
oscMSG = new OscMessage("/endShape");
myBundle.add(oscMSG);
oscMSG.clear();
}
// TEASER
void teaser(){
background(0);
//tsgrp = RG.getText("YES", "FreeSans.ttf", floor(width*.15), CENTER);
tsgrp = RG.loadShape("laserletters1.svg");
tstsgrp2 = RG.loadShape("betabase3.svg");
RG.setPolygonizer(RG.UNIFORMLENGTH); // type of division
RG.setPolygonizerLength(3); // size of divisions
tspointPaths = tsgrp.getPointsInPaths(); // [collection of characters] -> [collection of points]
tstspointPaths2 = tstsgrp2.getPointsInPaths(); // [collection of characters] -> [collection of points]
if (tspointPaths != null) { // only draw if we have points
noFill();
stroke(255);
pushMatrix();
translate(width*.52, height*.5); // where to draw points
rotateY(radians(sin(frameCount*.1)*15)); // sin(frameCount*.01)*20
xstroke(0,0,map(sin(frameCount*.1),-1,1,50,255));
noFill();
int rval = 75;
float yval = -height*.25;
xbeginShape();
xvertex(-width*.25,yval);
xvertex(-width*.12,yval);
xvertex(-width*.10,yval+random(-rval, rval));
xvertex(-width*.08,yval);
xvertex(-width*.06,yval+random(-rval, rval));
xvertex(-width*.04,yval);
xvertex(0,yval);
xvertex(width*.25,yval);
xendShape();
stroke(255);
// keep em separated, each letter it's own group!
for (int i = 0; i < tspointPaths.length; i++) {
if (i==int(frameCount%tspointPaths.length)) {
//xstroke(255, 255, 255);
xstroke(map(sin(frameCount*.1),-1,1,255,50),0,map(sin(frameCount*.1),-1,1,50,255));
xbeginShape();
for (int j=0; j < tspointPaths[i].length; j++) {
xvertex(tspointPaths[i][j].x, tspointPaths[i][j].y); // try other shapes
}
xendShape();
}
stroke(255);
if (i!=7) {
beginShape();
for (int j=0; j < tspointPaths[i].length; j++) {
vertex(tspointPaths[i][j].x, tspointPaths[i][j].y); // try other shapes
vertex(tspointPaths[i][frameCount%tspointPaths[i].length].x, tspointPaths[i][frameCount%tspointPaths[i].length].y); // try other shapes
}
endShape();
}
}
int ss = 7;
int kloops = 10;//int(frameCount*.1%10); //10; //
for (int k=0; k < kloops; k++) {
pushMatrix();
translate(-k*5, k*2.5, k*25);
stroke(255);
/*
if (k==kloops-1) {
xstroke(255, 0, 0);
xbeginShape();
for (int j=0; j < tspointPaths[ss].length; j++) {
xvertex(tspointPaths[ss][j].x, tspointPaths[ss][j].y); //
}
xendShape();
}
*/
beginShape();
for (int j=0; j < tspointPaths[ss].length; j++) {
vertex(tspointPaths[ss][j].x, tspointPaths[ss][j].y);
}
endShape();
popMatrix();
}
popMatrix();
}
if (tstspointPaths2 != null) { // only draw if we have points
noFill();
pushMatrix();
translate(width*.5, height*.5, 0); // where to draw points
//rotateY(radians(-25));
rotateY(radians(sin(frameCount*.1)*-15));
xstroke(map(sin(frameCount*.1),-1,1,255,50),0,0);
noFill();
int rval = 75;
float yval = height*.25;
xbeginShape();
xvertex(-width*.25,yval);
xvertex(-width*.05,yval);
xvertex(0,yval+random(-rval, rval));
xvertex(width*.05,yval);
xvertex(width*.10,yval+random(-rval, rval));
xvertex(width*.15,yval);
xvertex(width*.20,yval);
xvertex(width*.25,yval);
xendShape();
stroke(255);
fill(255);
for (int i = 0; i < tstspointPaths2.length; i++) {
/*
if (i==int(frameCount*2%tstspointPaths2.length)) {
xstroke(random(255), random(255), random(255));
xbeginShape();
for (int j=0; j < tstspointPaths2[i].length; j++) {
xvertex(tstspointPaths2[i][j].x, tstspointPaths2[i][j].y); // try other shapes
}
xendShape();
}
*/
noStroke();
beginShape();
for (int j=0; j < tstspointPaths2[i].length; j++) {
vertex(tstspointPaths2[i][j].x, tstspointPaths2[i][j].y); // try other shapes
}
endShape();
}
popMatrix();
}
}