From e9070b1d70f43eed9ae924f6470a4c9b769be59f Mon Sep 17 00:00:00 2001
From: ZappoMan <bradh@konamoxt.com>
Date: Fri, 7 Feb 2014 15:48:46 -0800
Subject: [PATCH] add an example of adding a voxel when clicking on a voxel

---
 examples/addVoxelOnMouseClickExample.js | 62 +++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 examples/addVoxelOnMouseClickExample.js

diff --git a/examples/addVoxelOnMouseClickExample.js b/examples/addVoxelOnMouseClickExample.js
new file mode 100644
index 0000000000..244a017ae4
--- /dev/null
+++ b/examples/addVoxelOnMouseClickExample.js
@@ -0,0 +1,62 @@
+//
+//  addVoxelOnMouseClickExample.js
+//  hifi
+//
+//  Created by Brad Hefta-Gaub on 2/6/14.
+//  Copyright (c) 2014 HighFidelity, Inc. All rights reserved.
+//
+//  This is an example script that demonstrates use of the Camera and Voxels class to implement
+//  clicking on a voxel and adding a new voxel on the clicked on face
+//
+//
+
+function mousePressEvent(event) {
+    print("mousePressEvent event.x,y=" + event.x + ", " + event.y);
+    var pickRay = Camera.computePickRay(event.x, event.y);
+    var intersection = Voxels.findRayIntersection(pickRay);
+    if (intersection.intersects) {
+    
+        // Note: due to the current C++ "click on voxel" behavior, these values may be the animated color for the voxel
+        print("clicked on voxel.red/green/blue=" + intersection.voxel.red + ", " 
+                    + intersection.voxel.green + ", " + intersection.voxel.blue);
+        print("clicked on voxel.x/y/z/s=" + intersection.voxel.x + ", " 
+                    + intersection.voxel.y + ", " + intersection.voxel.z+ ": " + intersection.voxel.s);
+        print("clicked on face=" + intersection.face);
+        print("clicked on distance=" + intersection.distance);
+        
+        var newVoxel = { 
+                x: intersection.voxel.x,
+                y: intersection.voxel.y,
+                z: intersection.voxel.z,
+                s: intersection.voxel.s,
+                red: 255,
+                green: 0,
+                blue: 255 };
+                
+        if (intersection.face == "MIN_X_FACE") {
+            newVoxel.x -= newVoxel.s;
+        } else if (intersection.face == "MAX_X_FACE") {
+            newVoxel.x += newVoxel.s;
+        } else if (intersection.face == "MIN_Y_FACE") {
+            newVoxel.y -= newVoxel.s;
+        } else if (intersection.face == "MAX_Y_FACE") {
+            newVoxel.y += newVoxel.s;
+        } else if (intersection.face == "MIN_Z_FACE") {
+            newVoxel.z -= newVoxel.s;
+        } else if (intersection.face == "MAX_Z_FACE") {
+            newVoxel.z += newVoxel.s;
+        }
+        
+        print("Voxels.setVoxel("+newVoxel.x + ", " 
+                + newVoxel.y + ", " + newVoxel.z + ", " + newVoxel.s + ", " 
+                + newVoxel.red + ", " + newVoxel.green + ", " + newVoxel.blue + ")" );
+                
+        Voxels.setVoxel(newVoxel.x, newVoxel.y, newVoxel.z, newVoxel.s, newVoxel.red, newVoxel.green, newVoxel.blue);
+    }
+}
+
+Controller.mousePressEvent.connect(mousePressEvent);
+
+function scriptEnding() {
+}
+Script.scriptEnding.connect(scriptEnding);