### (P0) Justin Edmund

by jedmund @ 11:42 pm 12 January 2010

Sinuoids

View Sinusoids

```float x, y; float amplitude = 30.0; float offsetX, offsetY; float period;   void setup() { size(640, 600); background(255); }   void draw() { stroke(0); noFill(); drawNollSinuoids();   println("Finished."); exit(); }   void drawNollSinuoids() { for (int i = 0; i &lt; 90; i++) { // Set the period (reciprocal of frequency) to that of the first curve. // offsetY pushes the sine curve into the view and then incrementally pushes it down farther // to create the optical illusion. period = 30 / PI; offsetY = 50 + i * 5.5; offsetX = PI;   // Begin the shape for this line. beginShape();   for (x = 0; x &lt; width; x++) { // The first part of this equation sets the position of the line so that we get 90 iterations. // y = a sin(bx + c) + d where // y = a sin(x/b + c) + d // a = amplitude, // b = frequency, // c = x offset, // d = y offset   // Create the curve equation. // We offset the X by PI to push it to the left one period for the desired effect. y = sin(x / period + offsetX);   // Reverse the x values so that we get the higher frequency waves first, and lower frequency waves gradually, // then create the vector point. vertex(x, amplitude * y + offsetY);   // Increment the period period += 0.038; } // End the shape for this line. endShape(); } }```

Pong (1.0)
This version uses keyboard navigation (Up and Down keys).

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