Initial Commit

Java/Processing/processing-3.3.6/modes/java/examples/Basics/Math/Noise2D/Noise2D.pde

@@ -0,0 +1,44 @@
+/**
+ * Noise2D 
+ * by Daniel Shiffman.  
+ * 
+ * Using 2D noise to create simple texture. 
+ */
+ 
+float increment = 0.02;
+
+void setup() {
+  size(640, 360);
+}
+
+void draw() {
+  
+  loadPixels();
+
+  float xoff = 0.0; // Start xoff at 0
+  float detail = map(mouseX, 0, width, 0.1, 0.6);
+  noiseDetail(8, detail);
+  
+  // For every x,y coordinate in a 2D space, calculate a noise value and produce a brightness value
+  for (int x = 0; x < width; x++) {
+    xoff += increment;   // Increment xoff 
+    float yoff = 0.0;   // For every xoff, start yoff at 0
+    for (int y = 0; y < height; y++) {
+      yoff += increment; // Increment yoff
+      
+      // Calculate noise and scale by 255
+      float bright = noise(xoff, yoff) * 255;
+
+      // Try using this line instead
+      //float bright = random(0,255);
+      
+      // Set each pixel onscreen to a grayscale value
+      pixels[x+y*width] = color(bright);
+    }
+  }
+  
+  updatePixels();
+}
+
+
+