Initial Commit

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

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+/**
+ * Linear Interpolation. 
+ * 
+ * Move the mouse across the screen and the symbol will follow.  
+ * Between drawing each frame of the animation, the ellipse moves 
+ * part of the distance (0.05) from its current position toward 
+ * the cursor using the lerp() function
+ *
+ * This is the same as the Easing under input only with lerp() instead. 
+ */
+ 
+float x;
+float y;
+
+void setup() {
+  size(640, 360); 
+  noStroke();  
+}
+
+void draw() { 
+  background(51);
+  
+  // lerp() calculates a number between two numbers at a specific increment. 
+  // The amt parameter is the amount to interpolate between the two values 
+  // where 0.0 equal to the first point, 0.1 is very near the first point, 0.5 
+  // is half-way in between, etc.  
+  
+  // Here we are moving 5% of the way to the mouse location each frame
+  x = lerp(x, mouseX, 0.05);
+  y = lerp(y, mouseY, 0.05);
+  
+  fill(255);
+  stroke(255);
+  ellipse(x, y, 66, 66);
+}