// Creating variables
var geometry = new THREE.SphereGeometry( 0.1, 10, 10 );
var material = new THREE.MeshPhongMaterial();

let segments = [];
segments.push(new THREE.Mesh(geometry, material));
segments[0].position.set(0, 0, 0);
scene.add(segments[0]);

for(let i = 0;i < 400;i ++) {
    segments.push(new THREE.Mesh(geometry, material));
    segments[1+i].position.set(-(1+i)/10, 0, 0);
    scene.add(segments[1+i]);
}

let moveAngle1 = 0;
//let moveAngle2 = 0;
//camera.position.set(100, 100, 100);
//camera.lookAt(0, 0, 0);

var light = new THREE.PointLight( );
var light2 = new THREE.PointLight( );
light.position.set(2,2,3);
light2.position.set(-2, -2, 3);
scene.add( light );
scene.add( light2 );

function update() {
    if(isKeyPressed[65]) {
        moveAngle1 += Math.PI / 180 * 2;
    }
    if(isKeyPressed[68]) {
        moveAngle1 -= Math.PI / 180 * 2;
    }
    segments[0].position.x += Math.cos(moveAngle1) / 100;
    segments[0].position.y += Math.sin(moveAngle1) / 100;
    //segments[0].position.y += Math.cos(moveAngle2) / 100;
    segments[0].position.z += isKeyPressed[87] / 10;
    segments[0].position.z -= isKeyPressed[83] / 10;

    for(let i = 1;i < segments.length;i ++) {
        let prev = segments[i-1].position;
        let curr = segments[i].position;
        curr.x += (prev.x - curr.x) / 10;
        curr.y += (prev.y - curr.y) / 10;
        curr.z += (prev.z - curr.z) / 10;
    }
    //segments[0].position.z += moveDirection.z;
}

function keyup(key) {
    // Show the pressed keycode in the console
    console.log("Pressed", key);
}
function mouseup() {
    // Show coordinates of mouse on click
    console.log("Mouse clicked at", mouseX, mouseY);
}