小蜜蜂嗡嗡嗡 - OpenProcessing

mySketch
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var myFlower
var flowers = []
var bee 
var bees = []
function setup() {
  createCanvas(windowWidth, windowHeight);
  background(0);
  for(var i=0;i<20;i++){
    let flower = generateRandomFlower()
    flowers.push(flower)
  }
  
  for(var i=0;i<5;i++){
    
    bees.push(
      {x: random(width),y: random(height),speed: random(0.01,0.2)}
    )
  }
  // myFlower = {
  //  x: width/2,
  //  y: height/2,
  //  size: 2,
  //  color: "#2499f2"
  // }
}
​
function generateRandomFlower(x,y){
  return {
    x: x || random(width),
    y: y || random(height),
    size: random(2),
    color: random(list)
  }
}
​
function drawFlower(flower){
  push()
    translate(flower.x,flower.y)
    rotate(flower.size)
    fill(255, 210, 33)
    ellipse(0,0,50)
    ellipseMode(CORNER)
    fill(255, 90, 61)
    fill(flower.color)
​
    for(var i=0;i<16;i++){
      ellipse(30,-20,120*flower.size/2,40)
      line(30,0,150*flower.size/2,-10)
      rotate(PI/8)
    }
  pop()
}
​
function drawBee(bee){
  push()
    translate(bee.x,bee.y)
    fill("#ffde23")
    ellipse(0,0,50,20)
    stroke("#a56a12")
    strokeWeight(5)
    line(-10, -10,-10,10)
    line(0, -10,0,10)
    line(10, -10,10,10)
  
  pop()
}
​
var color1 = "red"
var r1 = 50
var list = ["#efe9e7","#dae0f2","#f9cff2","#52154e","#111344"]
​
function mousePressed(){
  var flower = generateRandomFlower(mouseX,mouseY)
  flowers.push(flower)
}
​
function draw() {
​
  background(0)
  
  for(var i=0;i<flowers.length;i++){
    let flower = flowers[i]
    drawFlower(flower)
    
    let hasBee = false
    // 偵測花朵內有沒有bee
    for(var o=0;o<bees.length;o++){
      let bee = bees[o]
      if (dist(bee.x,bee.y,flower.x,flower.y)<200){
        hasBee=true
      }
    }
    if (hasBee){
      flower.size=lerp(flower.size,2,0.1)
    }else{
      flower.size=lerp(flower.size,0,0.1)
    }
    
    
  }
  
  for(var o=0;o<bees.length;o++){
    let bee = bees[o]
    // bee.x = lerp(bee.x,mouseX,bee.speed)
    // bee.y = lerp(bee.y,mouseY,bee.speed)
    bee.x += 1
    bee.y += 2
    drawBee(bee)
  }
  
}