64 lines
1.4 KiB
Plaintext
64 lines
1.4 KiB
Plaintext
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/**
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* Mirror 2
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* by Daniel Shiffman.
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*
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* Each pixel from the video source is drawn as a rectangle with size based on brightness.
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*/
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import processing.video.*;
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// Size of each cell in the grid
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int cellSize = 15;
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// Number of columns and rows in our system
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int cols, rows;
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// Variable for capture device
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Capture video;
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void setup() {
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size(640, 480);
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// Set up columns and rows
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cols = width / cellSize;
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rows = height / cellSize;
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colorMode(RGB, 255, 255, 255, 100);
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rectMode(CENTER);
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// This the default video input, see the GettingStartedCapture
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// example if it creates an error
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video = new Capture(this, width, height);
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// Start capturing the images from the camera
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video.start();
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background(0);
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}
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void draw() {
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if (video.available()) {
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video.read();
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video.loadPixels();
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background(0, 0, 255);
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// Begin loop for columns
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for (int i = 0; i < cols;i++) {
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// Begin loop for rows
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for (int j = 0; j < rows;j++) {
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// Where are we, pixel-wise?
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int x = i * cellSize;
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int y = j * cellSize;
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int loc = (video.width - x - 1) + y*video.width; // Reversing x to mirror the image
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// Each rect is colored white with a size determined by brightness
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color c = video.pixels[loc];
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float sz = (brightness(c) / 255.0) * cellSize;
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fill(255);
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noStroke();
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rect(x + cellSize/2, y + cellSize/2, sz, sz);
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}
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}
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}
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}
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