import ketai.sensors.*;
import processing.vr.*;

KetaiSensor sensor;
float fontSize = 130*displayDensity;
float rotationX, rotationY, rotationZ;
float roll, pitch, yaw;
PShape buddha;
PVector half = new PVector();
PMatrix3D baseMat;

void setup()
{
    fullScreen(STEREO);
    // size(displayWidth, displayHeight, P3D);
    if(sensor == null){
        sensor = new KetaiSensor(this);
        sensor.start();
    }

    buddha = loadShape("buddha.obj");
    buddha.setFill(0xffffffff);
    buddha.setSpecular(0xfffff7d5);

    textAlign(CENTER, CENTER);
    textSize(fontSize);

    half.set(width * .5, height * .5);
    baseMat = getMatrix(baseMat);
}

void draw()
{
    background(0xff000000);

    scale(10);
    translate(60.0, 70.0, -150.0);
    lightSpecular(64, 64, 64);

    // Horizonal light.
    spotLight(255, 255, 255,
        -half.x, 1, 0,
        1, 0, 0,
        PI, 10);

    // // Vertical light.
    spotLight(255, 255, 255,
        1, -half.y, 0,
        0, 1, 0,
        PI, 10);

    shape(buddha);
    
    pitch += rotationX;
    roll += rotationY;
    yaw += rotationZ;

    buddha.rotateY(pitch);
    buddha.rotateX(-roll);
    buddha.rotateZ(yaw);
}

void onGyroscopeEvent(float x, float y, float z)
{
    rotationX = radians(x);
    if(round(rotationX) == 0) pitch = 0;
    rotationY = radians(y);
    if(round(rotationY) == 0) roll = 0;
    rotationZ = radians(z);
    if(round(rotationZ) == 0) yaw = 0;
}

void mousePressed()
{
    pitch = roll = yaw = 0;
    setup();
}