Februar 24, 2012

Der Color Tracker lässt Affenköpfe steuern und durch eine zweite Farbe ihren Mund bewegen

import processing.video.*;

// Variable for capture device
Capture video;
PVector middle;

int index = 0;
int apeCount = 1;
Ape[] apes;

int space = 2;
int[] closestX, closestSecondX, closestY, closestSecondY;

color[] myColors = {
#A95900, #AD6300, #854300, #7C3000, #984900, #B76800, #5C2401, #CD8602, #BF7400, #9A5300, #C17A11, #933500, #D88C09, #491401, #643C00, #9B4400, #DF950C, #9E5100, #C26B00, #AD5400, #DD9B1B, #BC6400, #C77B00, #BB5900, #AA4700, #7D5319, #270901, #EBA917, #A06E21, #B67341, #523213, #9D5520, #E89C00, #BD8B49, #CF8E28, #7D651E, #F3B429, #E39B64, #E99D20, #EAAF92, #DE8F00, #856006, #856240, #CD7600, #80361A, #E2784D, #CF5223, #E9D165, #EFBCB6, #634422, #F28641, #CFBC66, #B2430D, #B68378, #F0DC91, #E66628, #BAA193, #7E0E01, #C07400, #C46B00, #E5A700, #BCB9B8, #EFCCC4, #C0C9D8
};
float[] myColorsRate = {
7.12, 7.06, 5.95, 5.3, 5.24, 5.03, 4.46, 3.91, 3.89, 3.33, 3.02, 2.96, 2.85, 2.68, 2.44, 2.42, 1.92, 1.9, 1.83, 1.64, 1.62, 1.61, 1.57, 1.54, 1.49, 1.49, 1.45, 1.36, 1.13, 0.94, 0.94, 0.91, 0.8, 0.74, 0.71, 0.62, 0.6, 0.55, 0.54, 0.43, 0.39, 0.39, 0.39, 0.25, 0.25, 0.22, 0.19, 0.18, 0.18, 0.16, 0.16, 0.15, 0.15, 0.14, 0.13, 0.13, 0.12, 0.11, 0.07, 0.07, 0.07, 0.06, 0.06, 0.01
};

// A variable for the color we are searching for.
color[] trackColor1;
color[] trackColor2;

void setup() {
size(320*2, 240*2);
video = new Capture(this, width, height, 15);
// Start off tracking for red
smooth();

apes = new Ape[apeCount];
closestX = new int[apeCount];
closestY = new int[apeCount];
closestSecondX = new int[apeCount];
closestSecondY = new int[apeCount];
trackColor1 = new color[apeCount];
trackColor2 = new color[apeCount];

for (int i=0;i<apeCount;i++) {
apes[i] = new Ape(myColors, myColorsRate);
closestX[i] = 0;
closestY[i] = 0;
trackColor1[i] = color(255, 0, 0);
trackColor2[i] = color(0, 255, 255);
}

middle = new PVector(width/2, height);
}

void draw() {
// Capture and display the video
if (video.available()) {
video.read();
}
video.loadPixels();
image(video, 0, 0);

int rowsCount = 100;
int colsCount = 100;

int rows = width/rowsCount;
int cols = height/colsCount;

for (int i = 0; i < apeCount;i++) {

float worldRecord1 = 1000;
float worldRecord2 = 1000;

int startY, startX, endY, endX;
if ((closestX[i] == 0 && closestY[i] == 0) || frameCount % 50 == 0) {
// first time
startY = 0;
startX = 0;
endY = colsCount;
endX = rowsCount;
}
else {
startY = closestY[i]/cols-space;
startX = closestX[i]/rows-space;
endY = startY + space*2;
endX = startX + space*2;
}
for (int y = startY; y < endY; y ++ ) {
for (int x = startX; x < endX; x ++ ) {
color currentColor = getColor(x*rows, y*cols, rows, cols);
float r1 = red(currentColor);
float g1 = green(currentColor);
float b1 = blue(currentColor);
float r2 = red(trackColor1[i]);
float g2 = green(trackColor1[i]);
float b2 = blue(trackColor1[i]);
float d = dist(r1, g1, b1, r2, g2, b2);
if (d < worldRecord1) {
worldRecord1 = d;
closestX[i] = x*rows;
closestY[i] = y*cols;
}
}
}

if ((closestSecondX[i] == 0 && closestSecondY[i] == 0) || frameCount % 50 == 0) {
// first time
startY = 0;
startX = 0;
endY = colsCount;
endX = rowsCount;
}
else {
startY = closestSecondY[i]/cols-space;
startX = closestSecondX[i]/rows-space;
endY = startY + space*2;
endX = startX + space*2;
}
for (int y = startY; y < endY; y ++ ) {
for (int x = startX; x < endX; x ++ ) {
color currentColor = getColor(x*rows, y*cols, rows, cols);
float r1 = red(currentColor);
float g1 = green(currentColor);
float b1 = blue(currentColor);
float r2 = red(trackColor2[i]);
float g2 = green(trackColor2[i]);
float b2 = blue(trackColor2[i]);
float d = dist(r1, g1, b1, r2, g2, b2);
if (d  video.height) {
_y -= abs(_y+w-video.height);
}

if (_x < 0) {
_x += abs(0 -_x+w);
}
if (_y < 0) {
_y += abs(0-_y+w);
}
PVector c = new PVector();
for (int x = _x; x < _x+w; x++ ) {
for (int y = _y; y < _y+w; y++ ) {
int loc = x + y * video.width;
color col = video.pixels[loc];
c.x += red(col);
c.y += green(col);
c.z += blue(col);
}
}
c.div(w*h);
return color(c.x, c.y, c.z);
}

void keyPressed() {
if (key == ' ') {
for (int i=0;i 0 && key  0.8) { // nur 20%
showBeard  = true;
beardCount = 10;
beardX = new float[beardCount];
beardY = new float[beardCount];
for(int i = 0;i < beardCount; i++) {
beardX[i] = random(-0.5,0.5);
beardY[i] = random(0.3,0.6);
}
} else {
showBeard  = false;
}
}

void draw(float _x, float _y, float _d,String _a, float mouthC) {
if(_a == "LEFT") {
draw(_x+_d/2,_y+_d/2,_d,mouthC);
} else if (_a == "RIGHT") {
draw(_x-_d/2,_y+_d/2,_d,mouthC);
} else {
draw(_x,_y,_d,mouthC);
}
}

void draw(float _x, float _y, float _d,float mouthC) {

float r2 = _d/2;
float r1 = r2*0.75;

// basic shape
fill(col1);
noStroke();

pushMatrix();
translate(_x,_y);

beginShape();
for(int i = 0;i<hairCount;i++) {
vertex(hairX1[i]*r1,hairY1[i]*r1);
vertex(hairX2[i]*(r2-r2*hairX3[i]),hairY2[i]*(r2-r2*hairY3[i]));
}
endShape(CLOSE);

// face
fill(col2);
ellipse(0,r1*0.2,r1*faceW,r1*faceH);
ellipse(r1*-eyeA,r1*-eyeH,r1*eyeR1,r1*eyeR1);
ellipse(r1*eyeA,r1*-eyeH,r1*eyeR1,r1*eyeR1);

stroke(col1);
strokeWeight(r1*0.05);
//eyes
ellipse(r1*-eyeA,r1*-eyeH,r1*eyeR2,r1*eyeR2);
ellipse(r1*eyeA,r1*-eyeH,r1*eyeR2,r1*eyeR2);
fill(col1);
noStroke();
ellipse(r1*-eyeA,r1*-eyeH,r1*0.03,r1*0.03);
ellipse(r1*eyeA,r1*-eyeH,r1*0.03,r1*0.03);

noFill();
stroke(col1);

if(showEyeBrown) {
strokeWeight(r1*0.04);
curve(0,r1*eyeB1,r1*-eyeA-r1*eyeR2,r1*-eyeH,0,r1*-eyeH,0,r1);
curve(0,r1*eyeB2,0,r1*-eyeH,r1*+eyeA+r1*eyeR2,r1*-eyeH,0,r1);
}

//nose
strokeWeight(r1*0.05);
line(r1*-noseA,eyeH*r1*-noseH,0,0-r1/8);
line(r1*noseA,eyeH*r1*-noseH,0,0-r1/8);

//mouth
noStroke();
fill(col1);
rectMode(CENTER);
//strokeWeight(r1*mouthS);
//curve(0,r1*mouthC,r1*-faceW*0.54,r1*mouthH,r1*faceW*0.54,r1*mouthH,0,r1*mouthC);
ellipse(0,faceW/2+20,10*mouthC,mouthC*5);

stroke(col1);
noFill();
strokeWeight(r1*0.05);
if(showBeard) {
for(int i = 0;i < beardCount; i++) {
point(r1*faceW*beardX[i],r1*faceH*beardY[i]);
}
}
popMatrix();
}

//------------------------------- colors -------------------------------

void initColors() {
col1 = getColor(false);
col2 = getColor(true);
while(!checkColorContrast(col1,col2)) {
col2 = getColor(true);
}
if(!checkDarkColor(col1,col2)) {
color tmpcol = col2;
col2 = col1;
col1 = tmpcol;
}
}

private color getColor(boolean rand) {
if(!rand) {
while(true) {
for(int i=0;i> 8 & 0xFF) + (col1 & 0xFF);
int value2 = (col2 >> 16 & 0xFF ) + (col2 >> 8 & 0xFF) + (col2 & 0xFF);
if(value1 > value2) {
return false;
}
else {
return true;
}
}

}