ドロネー分割した三角形を塗る

by abbcd

HTML

<canvas id="can"></canvas>

CSS

#can {
    background: #efefef;
}

JavaScript

$(document).ready(function () {

    var SAMPLE = {};

    SAMPLE.Main = (function () {

        var canJqObj = $("#can"),
            canDom = document.getElementById('can'),
            ctx = document.getElementById('can').getContext("2d"),
            
            // 色のコレクション（最低4色）
            colors = [
				// http://www.colourlovers.com/palette/2490997/HJ_Project_Palette
				["#000000", "#FF0080", "#00D4ED", "#D2D2D2", "#FFFFFF"], 
				// http://www.colourlovers.com/palette/2490986/all_night_long_.
	            ["#ED146F", "#EDDE45", "#61D2D6", "#242424", "#FAFAFA"], 
	            // http://www.colourlovers.com/palette/2490977/SILVIA_PELISSERO_APC
	            ["#110E19", "#B60F19", "#F86F07", "#FF9F33", "#C1D8A0"], 
	            // http://www.colourlovers.com/palette/2490968/navy_blend
	            ["#14343C", "#DDE915", "#1C15E9", "#A83C17", "#159797"], 
	            // http://www.colourlovers.com/palette/2491000/w_a_t_e_r_m_e_l_o_n
	            ["#E9625C", "#B5C368", "#0A3D5D", "#CCE9C7", "#C9D88A"], 

	            //http://www.colourlovers.com/palette/1483942/The_Autumn_Queen_HPP
	            ["#4E2E1E", "#EA4F6C", "#F99548", "#FCCA55"],
	            //http://www.colourlovers.com/palette/1297074/Autumn_Rainbow
	            ["#6D2243", "#EC5E0C", "#F78F1E", "#85871A"],
	            //http://www.colourlovers.com/palette/36998/french_roast
	            ["#A7321C", "#FFDC68", "#928941", "#352504"],
	            //http://www.colourlovers.com/palette/582235/October_Roads
	            ["#821F29", "#F6E03F", "#ADBD06", "#D46600"], ],
            
            // 使用する色をランダムに選定
            colorIndex = Math.floor(Math.random() * (colors.length - 1));


        // ==================================================
        // 頂点
        // ==================================================
        function Vertex(x, y, vx, vy) {

            this.x = x;
            this.y = y;

            // 固定頂点かどうか（true:固定、false:移動）
            this.isStatic = ((vx == undefined ||...