我設法使其工作:d
我做了什麼:
我做了一個故事情節項目中,我有5個滑塊。這些滑塊每個都有自己的變量(var1,var2,var3,var4和var5)。我在這張餅圖中創建了一張空白幻燈片。
然後我做了一個index.html文件。此文件包含
<body>
<canvas id="myCanvas"></canvas>
<script type="text/javascript"src="pie-chart.js"></script>
</body>
我將此文件保存到服務器上的映射中。
之後,我把這個共同的Javascript:
// the JS code will first get a reference to the canvas and then set its width and height. To draw on the canvas, we only need a reference to its 2D context which contains all the drawing methods. //
/*global quotes:true, global $*/
window.onload = function() {
var player = window.parent.GetPlayer(); //this piece was missing.//
var myCanvas = document.getElementById("myCanvas");
myCanvas.width = 300;
myCanvas.height = 300;
var ctx = myCanvas.getContext("2d");
// Define what the function. //
function drawLine(ctx, startX, startY, endX, endY) {
ctx.beginPath();
ctx.moveTo(startX, startY);
ctx.lineTo(endX, endY);
}
// This function draws an arc between the lines. //
function drawArc(ctx, centerX, centerY, radius, startAngle, endAngle) {
ctx.beginPath();
ctx.arc(centerX, centerY, radius, startAngle, endAngle);
ctx.stroke();
}
// This function draws a coloured shape between the lines. //
function drawPieSlice(ctx, centerX, centerY, radius, startAngle, endAngle, color) {
ctx.fillStyle = color;
ctx.beginPath();
ctx.moveTo(centerX, centerY);
ctx.arc(centerX, centerY, radius, startAngle, endAngle);
ctx.closePath();
ctx.fill();
/* drawLine(_ctx,100,100,200,200);
drawArc(_ctx, 150,150,150, 0, Math.PI/3);
drawPieSlice(_ctx, 150,150,150, Math.PI/2, Math.PI/2 + Math.PI/4, '#ff0000'); */
}
/* This retrieves the value of the Storyline variable
(the one between the quote symbols). */
var var1 = player.GetVar("var1");
var var2 = player.GetVar("var2");
var var3 = player.GetVar("var3");
var var4 = player.GetVar("var4");
var var5 = player.GetVar("var5");
// This gives the slices the value from above. //
var myPersoonlijkheid = {
"Categorie1": var1,
"Categorie2": var2,
"Categorie3": var3,
"Categorie4": var4,
"Categorie5": var5
};
var Piechart = function(options) {
this.options = options;
this.canvas = options.canvas;
this.ctx = this.canvas.getContext("2d");
this.colors = options.colors;
this.draw = function() {
var total_value = 0;
var color_index = 0;
for (var categ in this.options.data) {
var val = this.options.data[categ];
total_value += val;
}
var start_angle = 0;
for (categ in this.options.data) {
val = this.options.data[categ];
var slice_angle = 2 * Math.PI * val/total_value;
drawPieSlice(this.ctx, this.canvas.width/2, this.canvas.height/2, Math.min(this.canvas.width/2, this.canvas.height/2), start_angle, start_angle + slice_angle, this.colors[color_index % this.colors.length]);
start_angle += slice_angle;
color_index++;
}
}
}
var myPiechart = new Piechart({
canvas: myCanvas,
data: myPersoonlijkheid,
colors: ["#f2f2f2", "#b3dcff", "#1b96ff", "#004682", "#002341"]
});
myPiechart.draw();
}
之後,我出版了故事情節的文件。現在它完美的工作!
感謝穆斯塔法的幫助。我appriciate它:D
你在哪裏嘗試餅圖?目前尚不清楚您是否能夠將幻燈片放入您的幻燈片中。有一些入門教材[在這裏](https://articulate.com/support/article/javascript-best-practices-and-examples)。看看例子,看看是否有幫助。 – Mustafa
嗨穆斯塔法, 我做了一個index.html和一個.js文件的文件,並將其作爲一個web對象在Storyline中導入。但是現在我想連接這兩個變量 – Nurdianna