Add sensing example

Author: Mike Barkmin

examples/Sensing/Sensing.pde

@@ -0,0 +1,59 @@
+import eu.barkmin.processing.scratch.*;
+
+ScratchStage stage;
+Hero h, m;
+
+void setup() {
+  size(800, 800);
+  ScratchStage.init(this, true);
+  stage = ScratchStage.getInstance();
+  h = new Hero();
+  m = new MovableHero();
+}
+
+void draw() {
+  h.draw();
+  m.draw();
+}
+
+class MovableHero extends Hero {
+  void draw() {
+    super.draw();
+    if(isKeyPressed(65)) {
+      this.turnLeft(1);
+    }
+    if(isKeyPressed(68)) {
+      this.turnRight(1);
+    }
+    if(isKeyPressed(87)) {
+      this.move(1);
+    }
+    if(isKeyPressed(83)) {
+      this.move(-1);
+    }
+    if(isTouchingSprite(h)) {
+      println("Ui a hero");
+    } else {
+      println("No hero :(");
+    }
+  }
+}
+
+class Hero extends ScratchSprite {
+  Hero() {
+    super("hero", "sprites/hero.png");
+    this.addCostume("hero2", "sprites/hero2.png");
+    this.setSize(50);
+    this.setRotation(45);
+    this.move(280);
+  }
+  
+  void draw() {
+    super.draw();
+    if(isTouchingMousePointer()) {
+      this.switchCostume("hero2");
+    } else {
+      this.switchCostume("hero");
+    }
+  }
+}