Initial Commit

Java/Processing/processing-3.3.6/modes/java/examples/Basics/Input/Mouse1D/Mouse1D.pde

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+/**
+ * Mouse 1D. 
+ * 
+ * Move the mouse left and right to shift the balance. 
+ * The "mouseX" variable is used to control both the 
+ * size and color of the rectangles. 
+ */
+
+void setup() {
+  size(640, 360);
+  noStroke();
+  colorMode(RGB, height, height, height);
+  rectMode(CENTER);
+}
+
+void draw() {
+  background(0.0);
+
+  float r1 = map(mouseX, 0, width, 0, height);
+  float r2 = height-r1;
+  
+  fill(r1);
+  rect(width/2 + r1/2, height/2, r1, r1);
+  
+  fill(r2);
+  rect(width/2 - r2/2, height/2, r2, r2);
+}