Initial Commit

Java/Processing/processing-3.3.6/modes/java/examples/Basics/Math/NoiseWave/NoiseWave.pde

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+/**
+ * Noise Wave
+ * by Daniel Shiffman.  
+ * 
+ * Using Perlin Noise to generate a wave-like pattern. 
+ */
+
+float yoff = 0.0;        // 2nd dimension of perlin noise
+
+void setup() {
+  size(640, 360);
+}
+
+void draw() {
+  background(51);
+
+  fill(255);
+  // We are going to draw a polygon out of the wave points
+  beginShape(); 
+  
+  float xoff = 0;       // Option #1: 2D Noise
+  // float xoff = yoff; // Option #2: 1D Noise
+  
+  // Iterate over horizontal pixels
+  for (float x = 0; x <= width; x += 10) {
+    // Calculate a y value according to noise, map to 
+    float y = map(noise(xoff, yoff), 0, 1, 200,300); // Option #1: 2D Noise
+    // float y = map(noise(xoff), 0, 1, 200,300);    // Option #2: 1D Noise
+    
+    // Set the vertex
+    vertex(x, y); 
+    // Increment x dimension for noise
+    xoff += 0.05;
+  }
+  // increment y dimension for noise
+  yoff += 0.01;
+  vertex(width, height);
+  vertex(0, height);
+  endShape(CLOSE);
+}