overte-HifiExperiments/examples/lookAtExample.js

//
//  lookAtExample.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 class
//
//

var oldMode = Camera.getMode();
function mousePressEvent(event) {
    print("mousePressEvent event.x,y=" + event.x + ", " + event.y);
    var pickRay = Camera.computePickRay(event.x, event.y);
    print("called Camera.computePickRay()");
    print("computePickRay origin=" + pickRay.origin.x + ", " + pickRay.origin.y + ", " + pickRay.origin.z);
    print("computePickRay direction=" + pickRay.direction.x + ", " + pickRay.direction.y + ", " + pickRay.direction.z);
    var pickRay = Camera.computePickRay(event.x, event.y);
    var intersection = Voxels.findRayIntersection(pickRay);
    if (intersection.intersects) {
        print("intersection voxel.red/green/blue=" + intersection.voxel.red + ", " 
                    + intersection.voxel.green + ", " + intersection.voxel.blue);
        print("intersection voxel.x/y/z/s=" + intersection.voxel.x + ", " 
                    + intersection.voxel.y + ", " + intersection.voxel.z+ ": " + intersection.voxel.s);
        print("intersection face=" + intersection.face);
        print("intersection distance=" + intersection.distance);
        print("intersection intersection.x/y/z=" + intersection.intersection.x + ", " 
                    + intersection.intersection.y + ", " + intersection.intersection.z);
                    
        print("looking at intersection point");
        oldMode = Camera.getMode();
        Camera.setMode("independent");
        //Camera.lookAt({x:0, y:0, z:0} );
        Camera.lookAt(intersection.intersection);
    }
}

function mouseReleaseEvent(event) {
    Camera.setMode(oldMode);
}

Controller.mousePressEvent.connect(mousePressEvent);
Controller.mouseReleaseEvent.connect(mouseReleaseEvent);

function scriptEnding() {
}
Script.scriptEnding.connect(scriptEnding);