如何用p5.js实现鼠标拖拽鼓槌悬停点击触发手鼓音效功能?
手鼓演奏交互功能实现咨询
我想实现手鼓演奏的交互体验,具体逻辑是:用户可拖拽鼓槌图片,将其悬停在手鼓图片上方后,再次点击即可播放手鼓音效。目前我找到的相关资源多针对图形(如椭圆),但缺乏针对图片的实现方案,请问该功能是否可行?
以下是我编写的p5.js代码:
var drum, mallet; var x, y, w, h; // Location and size let dragging = false; let rollover = false; let img; let vel; let pos; function preload(){ strike = loadSound('HandDrum.mp3'); drum = loadImage('handdrum2.png'); mallet = loadImage('drumMallet.png'); } function setup() { createCanvas(750, 500); //Dimensions for Moving Stuff x = 400; y = 100; w = 300; h = 300; } function draw() { background(220); tint(219,69,69,250); image(drum,125,95,400,400); tint(82,217,198); //image(mallet,350,100,width/2,height/2); if (mouseX > x && mouseX < x + w && mouseY > y && mouseY < y + 2) { rollover = true; } else { rollover = false; } // Adjust location if being dragged if (dragging) { x = mouseX + offsetX; y = mouseY + offsetY; } image(mallet, x, y, w, h); } function mousePressed() { if (mouseX > x && mouseX < x + w && mouseY > y && mouseY < y + h) { dragging = true; offsetX = x - mouseX; offsetY = y - mouseY; } } function mouseReleased() { //Quit dragging dragging = false; }
相关图片:

内容的提问来源于stack exchange,提问作者K-PopCorn
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