“sfc181219_04” by Atsushi Tadokoro
https://openprocessing.org/sketch/646264
License CreativeCommons Attribution ShareAlike
https://creativecommons.org/licenses/by-sa/3.0
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sfc181219_04
Tadokoro
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//マウスを動かした際の座標
let moveX, moveY;
//マウスをドラッグした際の座標
let dragX, dragY;
//ドラッグした座標と現在の位置を補完
let interpX, interpY;
function setup() {
createCanvas(windowWidth, windowHeight);
noStroke();
//それぞれの座標を画面中央に初期化
interpX = moveX = dragX = width / 2;
interpY = moveY = dragY = height / 2;
}
function draw() {
background(0);
//ドラッグした場所を補完してなめらかな動きに
fill(127);
interpX = interpX + (dragX - interpX) * 0.1;
interpY = interpY + (dragY - interpY) * 0.1;
//補完した場所に円を描く
ellipse(interpX, interpY, 60, 60);
//ドラッグしたマウスの位置に円を描く
fill(255, 0, 0);
ellipse(dragX, dragY, 40, 40);
//動かしたマウスの位置に円を描く
fill(0, 0, 255);
ellipse(moveX, moveY, 20, 20);
}
//マウスを動かした時
function mouseMoved() {
moveX = mouseX;
moveY = mouseY;
}
//マウスをドラッグした時
function mouseDragged() {
dragX = mouseX;
dragY = mouseY;
}
//マウスボタンを押した時
function mousePressed() {
dragX = mouseX;
dragY = mouseY;
}
//マウスボタンを離した時
function mouseReleased() {
dragX = width / 2;
dragY = height / 2;
}
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