CSS3 transform matrix矩阵与拉伸实例页面
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CSS代码:
.matrix_box {
width: 150px;
height: 150px;
background-color: #a0b3d6;
-moz-transform-origin: top left;
-webkit-transform-origin: top left;
-o-transform-origin: top left;
transform-origin: top left;
}
HTML代码:
<p id="matrixDetail">目前属性值为:matrix(1,0,0,1,0,0)</p>
<p>x轴倾斜角度(0-89):<input type="range" id="matrixSkewX" value="0" min="0" max="89" autocomplete="off" /></p>
<p>y轴倾斜角度(0-89):<input type="range" id="matrixSkewY" value="0" min="0" max="89" autocomplete="off" /></p>
<div id="matrixBox" class="matrix_box"></div>
JS代码:
(function() {
var $ = function(selector) { return document.querySelector(selector); };
var $css3Transform = function(element, value) {
var arrPriex = ["O", "Ms", "Moz", "Webkit", ""], length = arrPriex.length;
for (var i=0; i < length; i+=1) { element.style[arrPriex[i] + "Transform"] = value; }
};
var eleRangeX = $("#matrixSkewX"), eleRangeY = $("#matrixSkewY"),
eleDetail = $("#matrixDetail"), eleBox = $("#matrixBox");
if (eleDetail && eleRangeX && eleRangeY && eleBox) {
var arrRange = [eleRangeX, eleRangeY];
for (var start=0; start<2; start+=1) {
arrRange[start].addEventListener("change", function() {
var maxVal = this.getAttribute("max"), minVal = this.getAttribute("min"), value = this.value;
if (value - minVal < 0) {
value = minVal;
this.value = minVal;
}
if (value - maxVal > 0) {
value = maxVal;
this.value = maxVal;
}
var tanValY = Math.tan(eleRangeY.value * Math.PI / 180), tanValX = Math.tan(eleRangeX.value * Math.PI / 180);
var valTransform = 'matrix(1,'+ tanValY.toFixed(6) +','+ tanValX.toFixed(6) +',1,0,0)';
eleDetail.innerHTML = '目前属性值为:' + valTransform;
$css3Transform(eleBox, valTransform);
});
}
}
})();
效果:
目前属性值为:matrix(1,0,0,1,0,0)
x轴倾斜角度(0-89):
y轴倾斜角度(0-89):