Javascript 用PIXI画一条线,用TweenMax移动
我看了一个同时使用这个框架的例子(PIXIjs和GSAP)。所以我想用它 我有点被一个案子缠住了。 所以我想做的是画3条线,与我的窗口的边框相匹配。那很好,但是在第二步,我希望这条线不离开边界 这是我这部分的小代码Javascript 用PIXI画一条线,用TweenMax移动,javascript,canvas,gsap,pixi.js,Javascript,Canvas,Gsap,Pixi.js,我看了一个同时使用这个框架的例子(PIXIjs和GSAP)。所以我想用它 我有点被一个案子缠住了。 所以我想做的是画3条线,与我的窗口的边框相匹配。那很好,但是在第二步,我希望这条线不离开边界 这是我这部分的小代码 // This is how I create the line var lineArray = []; for (var i = 0; i < 3; i++) { var line = new PIXI.Graphics();
// This is how I create the line
var lineArray = [];
for (var i = 0; i < 3; i++) {
var line = new PIXI.Graphics();
line.lineStyle(1, 0xf3a33f);
if(i == 0) {
line.moveTo(getRandomInt(0, window.innerWidth), window.innerHeight);
line.lineTo(getRandomInt(0, window.innerWidth), 0);
} else if(i == 1) {
line.moveTo(0, getRandomInt(0, window.innerHeight));
line.lineTo(window.innerWidth, getRandomInt(0, window.innerHeight));
} else {
line.moveTo(getRandomInt(0, window.innerWidth), window.innerHeight);
line.lineTo(window.innerWidth, getRandomInt(0, window.innerHeight));
}
line.endFill();
line.alpha = 0;
stage.addChild(line);
lineArray.push(line);
}
// And this is how I want to animate it
var timeline = new TimelineMax({ paused: true });
for (var i = lineArray.length - 1; i >= 0; i--) {
lineArray[i].beginFill(0xf3a33f, 1);
timeline.add(TweenMax.to( lineArray[i], .05, {alpha: 1}), 1.25);
}
timeline.play();
//这就是我创建行的方式
var线性阵列=[];
对于(变量i=0;i<3;i++){
var line=new PIXI.Graphics();
line.lineStyle(1,0xf3a33f);
如果(i==0){
line.moveTo(getRandomInt(0,window.innerWidth),window.innerHeight);
lineTo(getRandomInt(0,window.innerWidth),0);
}else如果(i==1){
moveTo(0,getRandomInt(0,window.innerHeight));
lineTo(window.innerWidth,getRandomInt(0,window.innerHeight));
}否则{
line.moveTo(getRandomInt(0,window.innerWidth),window.innerHeight);
lineTo(window.innerWidth,getRandomInt(0,window.innerHeight));
}
line.endFill();
line.alpha=0;
stage.addChild(行);
直线排列。推(线);
}
//这就是我想要的动画
var timeline=新的TimelineMax({暂停:true});
对于(变量i=lineArray.length-1;i>=0;i--){
线性阵列[i].Beginll(0xf3a33f,1);
添加(TweenMax.to(lineArray[i],.05,{alpha:1}),1.25);
}
timeline.play();
是否有方法将线条移动到图形形状的(x,y)和(x,y)位置?
我原以为每次移动线路时都可以重新绘制,并销毁旧线路,但我希望有一种更简单的方法来做到这一点
干杯,
H4mm3R如果您希望能够在移动到
和行到
值之间设置动画,则每个行
的图形
对象将需要更新,即清除()
然后用通常的moveTo
和lineTo
调用重新绘制新值。所有这些都发生在渲染
函数中,该函数可及时更新画布
另一件事是你需要一种方法来跟踪你的开始和结束价值观。在下面的示例中,我使用了名为currPoints
和destPoints
的数组,其代码如下:
JavaScript:
var lineWidth = 2,
lineColor = 0xf3a33f,
length = 4,
currPoints = [],
destPoints = [],
lineArray = [],
duration = 1.4,
ease = Power4.easeInOut,
staggerFactor = .06;
function init() {
initScene();
initLines();
animateLines();
TweenLite.ticker.addEventListener('tick', render);
}
function animateLines() {
for (var i = 0; i < length; i += 1) {
TweenMax.fromTo(lineArray[i], duration, {
alpha: 0
}, {
delay: i * staggerFactor,
alpha: 1,
repeat: -1,
yoyo: true,
repeatDelay: duration * .5,
ease: ease
});
TweenMax.to(currPoints[i].moveTo, duration, {
delay: i * staggerFactor,
x: destPoints[i].moveTo.x,
y: destPoints[i].moveTo.y,
repeat: -1,
yoyo: true,
repeatDelay: duration * .5,
ease: ease
});
TweenMax.to(currPoints[i].lineTo, duration, {
delay: i * staggerFactor,
x: destPoints[i].lineTo.x,
y: destPoints[i].lineTo.y,
repeat: -1,
yoyo: true,
repeatDelay: duration * .5,
ease: ease
});
}
}
function initLines() {
var line;
for (var i = 0; i < length; i += 1) {
line = new PIXI.Graphics().lineStyle(1, 0xf3a33f);
if (i == 0) {
currPoints[i] = getPoint(getRandomInt(0, window.innerWidth), window.innerHeight, getRandomInt(0, window.innerWidth), 0);
destPoints[i] = getPoint(getRandomInt(0, window.innerWidth), window.innerHeight, getRandomInt(0, window.innerWidth), 0);
} else if (i == 1) {
currPoints[i] = getPoint(0, getRandomInt(0, window.innerHeight), window.innerWidth, getRandomInt(0, window.innerHeight));
destPoints[i] = getPoint(0, getRandomInt(0, window.innerHeight), window.innerWidth, getRandomInt(0, window.innerHeight));
} else {
currPoints[i] = getPoint(getRandomInt(0, window.innerWidth), window.innerHeight, window.innerWidth, getRandomInt(0, window.innerHeight));
destPoints[i] = getPoint(getRandomInt(0, window.innerWidth), window.innerHeight, window.innerWidth, getRandomInt(0, window.innerHeight));
}
line.moveTo(currPoints[i].moveTo.x, currPoints[i].moveTo.y);
line.lineTo(currPoints[i].lineTo.x, currPoints[i].lineTo.y);
main.addChild(line);
lineArray.push(line);
}
}
function initScene() {
renderer = PIXI.autoDetectRenderer(window.innerWidth, window.innerHeight, {
view: document.querySelector('canvas'),
antialias: true
});
main = new PIXI.Container();
}
function render() {
renderer.render(main);
for (var i = 0; i < length; i += 1) {
lineArray[i].clear();
lineArray[i].lineStyle(lineWidth, lineColor);
lineArray[i].moveTo(currPoints[i].moveTo.x, currPoints[i].moveTo.y);
lineArray[i].lineTo(currPoints[i].lineTo.x, currPoints[i].lineTo.y);
}
}
function getPoint(xMoveTo, yMoveTo, xLineTo, yLineTo) {
return {
moveTo: {
x: xMoveTo,
y: yMoveTo
},
lineTo: {
x: xLineTo,
y: yLineTo
}
};
}
function getRandomInt(min, max) {
return Math.floor(Math.random() * (1 + max - min) + min);
};
//
init();
var lineWidth=2,
lineColor=0xf3a33f,
长度=4,
currPoints=[],
destPoints=[],
线性阵列=[],
持续时间=1.4,
ease=Power4.easeInOut,
系数=.06;
函数init(){
初始化场景();
initLines();
动画线();
TweenLite.ticker.addEventListener('tick',render);
}
函数animateLines(){
对于(变量i=0;i
玩游戏,让我知道这是否是你们要找的
太好了!非常感谢。我不希望有人给我所有的想法!又比你强!没问题