Februar 27, 2012

import processing.video.*;

int breite = width;
int hoehe = height;

// Step 2. Declare a Capture object
Capture video;

void setup() {
size(1024,768);

println(Capture.list());

// Step 3. Initialize Capture object via Constructor
// video is 320 x 240, @15 fps
video = new Capture(this,1024,768,"IIDC FireWire Video",15);
}

void draw() {

// Check to see if a new frame is available
if (video.available()) {
// If so, read it.
video.read();
}

loadPixels();
video.loadPixels();

for (int x = 0; x < video.width; x++) {
for (int y = 0; y < video.height; y++) {

// Calculate the 1D location from a 2D grid
int loc = x + y*video.width;

// Get the R,G,B values from image
float r,g,b;
r = red (video.pixels[loc]);
g = green (video.pixels[loc]);
b = blue (video.pixels[loc]);

// Calculate an amount to change brightness based on proximity to the mouse
float maxdist = 100;// dist(0,0,width,height);
float d = dist(x,y,mouseX,mouseY);
float adjustbrightness = (maxdist-d)/maxdist;
r *= adjustbrightness;
g *= adjustbrightness;
b *= adjustbrightness;

// Constrain RGB to make sure they are within 0-255 color range
r = constrain(r,0,255);
g = constrain(g,0,255);
b = constrain(b,0,255);

// Make a new color and set pixel in the window
color c = color(r,g,b);
pixels[loc] = c;
}
}
updatePixels();
}