Lecture 21 Robot OO Code

robot.js

Robot = function(x, y, z) {

  this.head = new THREE.Bone();
  this.head.position.x = x; // world coordinates
  this.head.position.y = y;
  this.head.position.z = z;


  this.neck = new THREE.Bone();
  this.neck.position.y = -10;
  this.head.add( this.neck );

  // LEFT ARM
  this.left_upper_arm = new THREE.Bone();
  this.left_upper_arm.position.y = -5;
  this.left_upper_arm.position.x = 5;
  this.neck.add( this.left_upper_arm );

  this.left_lower_arm = new THREE.Bone();
  this.left_lower_arm.position.y = -15;
  this.left_lower_arm.position.x = 5;
  this.left_upper_arm.add( this.left_lower_arm );

  this.left_hand = new THREE.Bone();
  this.left_hand.position.y = -5;
  this.left_hand.position.x = 5;
  this.left_lower_arm.add( this.left_hand );

  // RIGHT ARM
  this.right_upper_arm = new THREE.Bone();
  this.right_upper_arm.position.y = -5;
  this.right_upper_arm.position.x = -5;
  this.neck.add( this.right_upper_arm );

  this.right_lower_arm = new THREE.Bone();
  this.right_lower_arm.position.y = -15;
  this.right_lower_arm.position.x = -5;
  this.right_upper_arm.add( this.right_lower_arm );

  this.right_hand = new THREE.Bone();
  this.right_hand.position.y = -5;
  this.right_hand.position.x = -5;
  this.right_lower_arm.add( this.right_hand );


  this.torso = new THREE.Bone();
  this.torso.position.y = -30;
  this.neck.add( this.torso );

  // LEFT LEG
  this.left_upper_leg = new THREE.Bone();
  this.left_upper_leg.position.y = -15;
  this.left_upper_leg.position.x = 10;
  this.torso.add( this.left_upper_leg );

  this.left_lower_leg = new THREE.Bone();
  this.left_lower_leg.position.y = -15;
  this.left_lower_leg.position.x = 5;
  this.left_upper_leg.add( this.left_lower_leg );

  this.left_foot = new THREE.Bone();
  this.left_foot.position.y = -5;
  this.left_foot.position.x = 5;
  this.left_lower_leg.add( this.left_foot );

  // RIGHT LEG
  this.right_upper_leg = new THREE.Bone();
  this.right_upper_leg.position.y = -15;
  this.right_upper_leg.position.x = -10;
  this.torso.add( this.right_upper_leg );

  this.right_lower_leg = new THREE.Bone();
  this.right_lower_leg.position.y = -15;
  this.right_lower_leg.position.x = -5;
  this.right_upper_leg.add( this.right_lower_leg );

  this.right_foot = new THREE.Bone();
  this.right_foot.position.y = -5;
  this.right_foot.position.x = -5;
  this.right_lower_leg.add( this.right_foot );

};

Robot.prototype.show = function(scene) {

  // create group and point to the robot head
  this.group = new THREE.Group();
  this.group.add( this.head );
  scene.add( this.group );

  // use the skeleton helper to visualize the skeleton
  this.helper = new THREE.SkeletonHelper( this.group );
  this.helper.material.linewidth = 3;
  scene.add( this.helper );

  // no movement by default
  this.movement = '';

};

Robot.prototype.raiseLeftArm = function() {

  this.movement = 'raise_left_arm';

};

Robot.prototype.onAnimate = function() {

  if ( this.movement == 'raise_left_arm' ) {

    T = Math.PI // 180 degrees
    x = 1 
    y = 0
    z = 0

    this.left_upper_arm.quaternion.slerp( new THREE.Quaternion( 
      Math.sin(T/2)*x, 
      Math.sin(T/2)*y, 
      Math.sin(T/2)*z, 
      Math.cos(T/2) ), 0.01 );

  } else if ( this.movement == 'kick' ) {

    // DO SOMETHING

  };

};