let facemesh;

let video;

let predictions = [];

let canvas_w = 800;

let canvas_h = 600;

let video_w = 640;

let video_h = 480;

let margin_left = 50;

let margin_top = 50;

​

​

let video_w2 = 480;

let video_h2 = 480;

let margin_left2 = 130;

let margin_top2 = 50;

​

​

let margin = 50;

​

//pictures

let catimg;

let openmouth;

let closemouth;

​

function preload() {

  catimg = loadImage('assets/popcat.gif');

  openmouth = loadImage('assets/open.png');

  closemouth = loadImage('assets/shutup.png');

}

​

function setup() {

  let cnv = createCanvas(canvas_w, canvas_h);

  video = createCapture(VIDEO);

  video.size(video_w, video_h);

  facemesh = ml5.facemesh(video, modelReady);

​

  // This sets up an event that fills the global variable "predictions"

  // with an array every time new predictions are made

  facemesh.on("predict", (results) => {

    predictions = results;

  });

​

  // Hide the video element, and just show the canvas

  video.hide();

  //microphone

  mic=new p5.AudioIn();

  mic.start();

  cnv.mousePressed(userStartAudio);

  background("rgb(0,0,0)");

​

}

​

​

function modelReady() {

  console.log("Model ready!");

}

​

function draw() {

  textSize(32);

  text('Press 1 or 2!!!',0, 0);

  fill("#FFFFFF");

  //状态1:-------------------------------------------------

  drawBackground_1();

  image(video, margin_left, margin_top, video_w, video_h);

  drawForeground_1();

  //脸上的点变成食物emoji   

  drawKeypoints_food();

​

  //状态2：-------------------------------------------------

   if(key=="1"){

    drawBackground_2();

    image(video, margin_left, margin_top, video_w, video_h);

    //小猫在脸上随着声音变化

    drawMicLevel();

    }

}

​

​

​

​

  // Miclevel猫猫变大

  function drawMicLevel() {

      push();

      micLevel = mic.getLevel();

      noStroke();

      pop();

      for (let i = 0; i < predictions.length; i += 1) {

      const keypoints = predictions[i].scaledMesh;

​

    // Draw facial keypoints.

    for (let j = 0; j < keypoints.length; j += 1) {

      const [x, y] = keypoints[j];

      push();

      translate(margin_left, margin_top);

    let catsize = map(micLevel,0,0.8,0,1000);

    if (catsize<130){

      image(closemouth,x,y,catsize/2,catsize/2);

    }

      else{

      image(openmouth,x,y,catsize/2,catsize/2);        

              }

      pop();

    }

  }

}

​

​

//脸上的点变成食物

function drawKeypoints_food() {

  for (let i = 0; i < predictions.length; i += 1) {

    const keypoints = predictions[i].scaledMesh;

​

    // Draw facial keypoints.

    for (let j = 0; j < keypoints.length; j += 1) {

      const [x, y] = keypoints[j];

      push();

      translate(margin_left, margin_top);

     //let food= text("🐟","🐠","🐡")

     textSize(20);

      text("🐟",x,y);

      pop();

      image(catimg,mouseX-90,mouseY-90,86.4*1.5,71.8*1.5)

​

    }

  }

}

​

​

​

//以下函数无需修改

​

//星星旋转的前景函数

function drawForeground_1() {

  push();

  //circle(20, 20, random(width));

  translate(width/2, height/2);

  rotate(map(mouseX, 0, width, 0, 360) / 3.0);

  star(100, 100, map(mouseX, 0, width, 0, 60), map(mouseY, 0, width, 0, 100), 5);

  rotate(map(mouseY, 0, width, 0, 180) / 3.5);

  star(100, 100, map(mouseX, 0, width, 0, 60), map(mouseY, 0, width, 0, 100), 6);

  translate(width / 2, height / 2);1

  rotate(map(mouseY, 0, width, 0, 360) / 4.0);

  star(100, 100, map(mouseX, 0, width, 0, 60), map(mouseY, 0, width, 0, 100), 7);

  rotate(map(mouseX, 0, width, 0, 180) / 4.5);

  star(100, 100, map(mouseX, 0, width, 0, 60), map(mouseY, 0, width, 0, 100), 8);

  translate(width / 2, height / 2);

  rotate(map(mouseX, 0, width, 0, 360) / 5.0);

  star(100, 100, map(mouseX, 0, width, 0, 60), map(mouseY, 0, width, 0, 100), 9);

  pop();

}

​

//background1 black&white star background

function drawBackground_1() {

  background("rgb(0,0,0)");

  rotate(map(mouseX, 0, width, 0, 360) / 0);

  star(0, 0, map(mouseX, 0, width, 0, 400), map(mouseY, 0, width, 0, 600), 9);

star(800, 0, map(mouseX, 0, width, 0, 200), map(mouseY, 0, width, 0, 400), 8);

  star(0, 600, map(mouseX, 0, width, 0, 200), map(mouseY, 0, width, 0, 400), 9);

  star(800, 600, map(mouseX, 0, width, 0, 300), map(mouseY, 0, width, 0, 400), 9);

}

//background2

function drawBackground_2() {

  background("#E91E63");

  push();

  translate(width / 2, height / 2);

  rotate(map(mouseX, 0, width, 0, 360) / 1.0);

  let e = color(map(mouseY, 0, width, 5, 144),5,253);

  fill(e);

  star(0, 0, map(mouseX, 0, width, 0, 400), map(mouseY, 0, width, 0, 600), 9);

  star(800, 0, map(mouseX, 0, width, 0, 200), map(mouseY, 0, width, 0, 400), 8);

  star(0, 600, map(mouseX, 0, width, 0, 200), map(mouseY, 0, width, 0, 400), 9);

  star(800, 600, map(mouseX, 0, width, 0, 300), map(mouseY, 0, width, 0, 400), 9);

  //rect(random(width), 0, map(mouseX, 0, width, 10, 100), height);

​

  pop();

}

//星星函数

function star(x, y, radius1, radius2, npoints) {

  let angle = TWO_PI / npoints;

  let halfAngle = angle / 2.0;

  beginShape();

  for (let a = 0; a < TWO_PI; a += angle) {

    let sx = x + cos(a) * radius2;

    let sy = y + sin(a) * radius2;

    vertex(sx, sy);

    sx = x + cos(a + halfAngle) * radius1;

    sy = y + sin(a + halfAngle) * radius1;

    vertex(sx, sy);

  }

  endShape(CLOSE);

}

​

​