updated examples

Author: codeanticode

debug/apps/arscene/src/main/java/arscene/Sketch.java

@@ -6,11 +6,10 @@
 import processing.core.PApplet;
 
 public class Sketch extends PApplet {
-  float angle;
+  ARTracker tracker;
   ARAnchor touchAnchor;
   ArrayList<ARAnchor> trackAnchors;
-
-  ARTracker tracker;
+  float angle;
 
   public void settings() {
     fullScreen(AR);

mode/libraries/ar/examples/Cubes/Cubes.pde

@@ -1,85 +1,61 @@
 import processing.ar.*;
 
+ARTracker tracker;
+ARAnchor touchAnchor;
+ArrayList<ARAnchor> trackAnchors;
 float angle;
-Anchor selAnchor;
-ArrayList<Anchor> regAnchors;
-
-Tracker tracker;
 
 void setup() {
   fullScreen(AR);
-  mat = new PMatrix3D();
-
-  tracker = new Tracker(this);
+  tracker = new ARTracker(this);
   tracker.start();
-  regAnchors = new ArrayList<Anchor>();
+  trackAnchors = new ArrayList<ARAnchor>();
 }
 
 void draw() {
   // The AR Core session, frame and camera can be accessed through Processing's surface object
   // to obtain the full information about the AR scene:
-//    PSurfaceAR surface = (PSurfaceAR) getSurface();
+//    ARSurface surface = (ARSurface) getSurface();
 //    surface.camera.getPose();
 //    surface.frame.getLightEstimate();
 
-  // No background call is needed, the screen is refreshed each frame with the image from the camera
-
   lights();
 
-
   if (mousePressed) {
     // Create new anchor at the current touch point
-    if (selAnchor != null) selAnchor.dispose();
-    selAnchor = new Anchor(tracker, mouseX, mouseY);
+    if (touchAnchor != null) touchAnchor.dispose();
+    ARTrackable hit = tracker.get(mouseX, mouseY);
+    if (hit != null) touchAnchor = new ARAnchor(hit);
+    else touchAnchor = null;
   }
 
   // Draw objects attached to each anchor
-  for (Anchor anchor: regAnchors) {
+  for (ARAnchor anchor : trackAnchors) {
+    if (anchor.isTracking()) drawBox(anchor, 255, 255, 255);
 
-    int status = anchor.status(i);
-    if (status ==  PAR.PAUSED || status == PAR.STOPPED) {
-      if (status == PAR.STOPPED) anchor.dispose();
-      continue;
-    }
-
-    drawBox(anchor, 255, 255, 255);
+    // It is very important to dispose anchors once they are no longer tracked.
+    if (anchor.isStopped()) anchor.dispose();
   }
+  if (touchAnchor != null) drawBox(touchAnchor, 255, 0, 0);
 
-  if (selAnchor != null) {
-    drawBox(selAnchor, 255, 0, 0);
-  }
-  
+  // Conveniency function in the tracker object to remove disposed anchors from a list
+  tracker.clearAnchors(trackAnchors);
 
   // Draw trackable planes
   for (int i = 0; i < tracker.count(); i++) {
-    Trackable trackable = tracker.get(i);
+    ARTrackable trackable = tracker.get(i);
+    if (!trackable.isTracking()) continue;
 
-    int status = trackable.status();
-    if (status ==  PAR.PAUSED || status == PAR.STOPPED) continue;
-
-    if (status == PAR.CREATED && regAnchors.size() < 10) {
-      // Add new anchor associated to this trackable, 0.3 meters above it
-      Anchor anchor;
-      if (trackable.type() == PAR.PLANE_WALL) {
-        anchor = new Anchor(trackable, 0.3, 0, 0);
-      } else {
-        anchor = new Anchor(trackable, 0, 0.3, 0);
-      }
-      regAnchors.add(anchor);
-    }
-
-    float[] points = trackable.getPolygon();
-    
     pushMatrix();
     trackable.transform();
-    if (mousePressed && trackable.selected(mouseX, mouseY)) {
+    if (mousePressed && trackable.isSelected(mouseX, mouseY)) {
       fill(255, 0, 0, 100);
     } else {
       fill(255, 100);
     }
-
     beginShape();
-    for (int n = 0; n < points.length/2; n++) {
+    float[] points = trackable.getPolygon();
+    for (int n = 0; n < points.length / 2; n++) {
       float x = points[2 * n];
       float z = points[2 * n + 1];
       vertex(x, 0, z);
@@ -91,10 +67,27 @@ void draw() {
   angle += 0.1;
 }
 
-void drawBox(Anchor anchor, int r, int g, int b) {
+void drawBox(ARAnchor anchor, int r, int g, int b) {
   anchor.attach();
   fill(r, g, b);
   rotateY(angle);
-  box(0.15);
-  anchor.detach();  
+  box(0.15f);
+  anchor.detach();
 }
+
+void trackableEvent(ARTrackable t) {
+  if (trackAnchors.size() < 10) {
+    float x0 = 0, y0 = 0;
+    if (t.isWallPlane()) {
+      // The new trackable is a wall, so adding the anchor 0.3 meters to its side
+      x0 = 0.3;
+    } else if (t.isFloorPlane()) {
+      // The new trackable is a floor plane, so adding the anchor 0.3 meters above it
+      y0 = 0.3;
+    } else {
+      // The new trackable is a floor plane, so adding the anchor 0.3 meters below it
+      y0 = -0.3;
+    }
+    trackAnchors.add(new ARAnchor(t, x0, y0, 0));
+  }
+}

mode/libraries/ar/examples/ImportObj/ImportObj.pde

@@ -1,26 +1,26 @@
 import processing.ar.*;
 
-Tracker tracker;
-Anchor anchor;
+ARTracker tracker;
+ARAnchor anchor;
 PShape arObj;
 
 void setup() {
   fullScreen(AR);
   arObj = loadShape("model.obj");
 
-  tracker = new Tracker(this);
+  tracker = new ARTracker(this);
   tracker.start();  
 }
 
 void draw() {
   lights();
 
   if (mousePressed) {
-    // Delete the old touch anchor, if any.
+    // Create new anchor at the current touch point
     if (anchor != null) anchor.dispose();
-
-    // Create a new anchor at the current touch position.
-    anchor = new Anchor(tracker, mouseX, mouseY);
+    ARTrackable hit = tracker.get(mouseX, mouseY);
+    if (hit != null) anchor = new ARAnchor(hit);
+    else anchor = null;
   }
 
   if (anchor != null) {

mode/libraries/ar/examples/Spheres/Spheres.pde

@@ -1,63 +1,61 @@
 import processing.ar.*;
 
-Tracker tracker;
-Anchor anchor;
+ARTracker tracker;
+ARAnchor anchor;
+PShape arObj;
 float angle;
 
 void setup() {
   fullScreen(AR);
+
   noStroke();
 
-  tracker = new Tracker(this);
-  tracker.start();  
+  tracker = new ARTracker(this);
+  tracker.start();
 }
 
 void draw() {
   lights();
 
   if (mousePressed) {
-    // Delete the old touch anchor, if any.
+    // Create new anchor at the current touch point
     if (anchor != null) anchor.dispose();
-
-    // Create a new anchor at the current touch position.
-    anchor = new Anchor(tracker, mouseX, mouseY);
+    ARTrackable hit = tracker.get(mouseX, mouseY);
+    if (hit != null) anchor = new ARAnchor(hit);
+    else anchor = null;
   }
 
   if (anchor != null) {
     anchor.attach();
     fill(217, 121, 255);
-    sphere(0.10f);
+    sphere(0.1);
     rotateY(angle);
-    translate(0, 0, 0.3f);
-    sphere(0.05f);
+    translate(0, 0, 0.3);
+    sphere(0.05);
     angle += 0.1;
     anchor.detach();
   }
 
   // Draw trackable planes
   for (int i = 0; i < tracker.count(); i++) {
-    Trackable trackable = tracker.get(i);
-
-    int status = trackable.status();
-    if (status ==  PAR.PAUSED || status == PAR.STOPPED) continue;
+    ARTrackable trackable = tracker.get(i);
+    if (!trackable.isTracking()) continue;
 
-
-    float[] points = trackable.getPolygon();
-    
     pushMatrix();
     trackable.transform();
-    if (mousePressed && trackable.selected(mouseX, mouseY)) {
+    if (mousePressed && trackable.isSelected(mouseX, mouseY)) {
       fill(255, 0, 0, 100);
     } else {
       fill(255, 100);
     }
 
-    beginShape();
-    for (int n = 0; n < points.length/2; n++) {
-      float x = points[2 * n];
-      float z = points[2 * n + 1];
-      vertex(x, 0, z);
-    }
+    beginShape(QUADS);
+    float lx = trackable.lengthX();
+    float lz = trackable.lengthZ();
+    vertex(-lx/2, 0, -lz/2);
+    vertex(-lx/2, 0, +lz/2);
+    vertex(+lx/2, 0, +lz/2);
+    vertex(+lx/2, 0, -lz/2);
     endShape();
     popMatrix();
   }