kopia lustrzana https://github.com/villares/sketch-a-day
50 wiersze
1.1 KiB
Plaintext
50 wiersze
1.1 KiB
Plaintext
// The Nature of Code
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// Daniel Shiffman
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// http://natureofcode.com
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// Interactive Selection
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// http://www.genarts.com/karl/papers/siggraph91.html
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class DNA {
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// The genetic sequence
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float[] genes;
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int len = 30; // Arbitrary length
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//Constructor (makes a random DNA)
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DNA() {
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// DNA is random floating point values between 0 and 1 (!!)
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genes = new float[len];
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for (int i = 0; i < genes.length; i++) {
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genes[i] = random(0,1);
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}
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}
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DNA(float[] newgenes) {
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genes = newgenes;
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}
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// Crossover
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// Creates new DNA sequence from two (this &
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DNA crossover(DNA partner) {
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float[] child = new float[genes.length];
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int crossover = int(random(genes.length));
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for (int i = 0; i < genes.length; i++) {
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if (i > crossover) child[i] = genes[i];
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else child[i] = partner.genes[i];
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}
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DNA newgenes = new DNA(child);
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return newgenes;
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}
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// Based on a mutation probability, picks a new random character in array spots
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void mutate(float m) {
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for (int i = 0; i < genes.length; i++) {
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if (random(1) < m) {
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genes[i] = random(0,1);
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}
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}
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}
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}
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