Diferencia entre revisiones de «Eduardo Arratia Tarea 11 Fibonacci»
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Espiral de Fibonacci que se va delimitando poco a poco | Espiral de Fibonacci que se va delimitando poco a poco// con ayuda de elemento extraído de Internet. página no recordada. | ||
<pre><nowiki> // large version | <pre><nowiki> // large version |
Revisión actual - 12:58 2 ago 2012
Título | Eduardo Arratia Tarea 11 Fibonacci |
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Tipo de Proyecto | Proyecto de Curso |
Palabras Clave | tarea 11 |
Del Curso | Imagen Escrita 2012, |
Carreras | Arquitectura |
Alumno(s) | Eduardo Arratia |
Espiral de Fibonacci que se va delimitando poco a poco// con ayuda de elemento extraído de Internet. página no recordada.
// large version // second attempt at a fibonacci spiral // first attempt was great, but used rotation, // which is expensive and imprecise // here's the beginning of the fibonacci sequence... // 0, 1, 1, 2, 3, 5, 8 void setup() { size(610, 385); smooth(); frameRate(10); } int[] s = new int[3]; int tmp, phase; float speed; void draw() { // clear the screen to a nice green background(120, 180, 180); // initialize variables s[0] = 0; s[1] = 0; // first number of the fibonacci sequence s[2] = 1; // second number of the fibonacci sequence phase = 0; // simple counter; use this to apply fx to the boxes linearly speed = 0.01; // speed of the effects // set the origin at the end of the spiral translate(442, 272 ); // flip vertically to match my logo scale(1.0, -1.0); rotate(PI); // this loop constructs the spiral // basically, draw a square of side s, // rotate 90deg, calculate the new s0 and s, // move up s0 + s, and repeat... while (s[2] < 500) { // use a sin function to give us some nice undulating effects float wave = sin((frameCount + phase*20) * speed) + 1.0; // styles for the arcs fill(0,0, wave * 30,10); // undulating transparent black fill stroke(wave * 255); // undulating white stroke // draw the quarter-circles inside the squares // set the stroke weight to 2 for the arc that makes the spiral if (phase % 4 == 0) strokeWeight(2); else strokeWeight(1/2); arc(s[2], s[2], 2*s[2], 2*s[2], PI, 3*PI/2.0); if (phase % 4 == 1) strokeWeight(2); else strokeWeight(1/2); arc(0, s[2], 2*s[2], 2*s[2], -PI/2.0, 0); if (phase % 4 == 2) strokeWeight(2); else strokeWeight(1/2); arc(0, 0, 2*s[2], 2*s[2], 0, PI/2.0); if (phase % 4 == 3) strokeWeight(2); else strokeWeight(1/2); arc(s[2], 0, 2*s[2], 2*s[2], PI/2.0, PI); // styles for the squares noFill(); stroke(255, 255, 255, 255); strokeWeight(1); // draw the square rect(0, 0, s[2], s[2]); // calculate the next number in the fibonacci sequence tmp = s[2]; s[2] += s[1]; s[0] = s[1]; s[1] = tmp; // translate to get in position for the next square switch(phase % 4) { case 0: translate(s[1], 0); break; case 1: translate(-s[0], s[1]); break; case 2: translate(-s[2], -s[0]); break; case 3: translate(0, -s[2]); break; } phase++; } }