Sha256: a563ca9c54fe6a6299fc30d55ac6ca936aaa0dc260671cc34d724abd89622a26
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Size: 1.28 KB
Versions: 7
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Contents
/*global define*/
define(['Core/barycentricCoordinates', 'Core/Cartesian3', 'Core/DeveloperError'], function(
barycentricCoordinates,
Cartesian3,
DeveloperError) {
"use strict";
var coords = new Cartesian3();
/**
* Determines if a point is inside a triangle.
*
* @exports pointInsideTriangle
*
* @param {Cartesian2|Cartesian3} point The point to test.
* @param {Cartesian2|Cartesian3} p0 The first point of the triangle.
* @param {Cartesian2|Cartesian3} p1 The second point of the triangle.
* @param {Cartesian2|Cartesian3} p2 The third point of the triangle.
*
* @returns {Boolean} <code>true</code> if the point is inside the triangle; otherwise, <code>false</code>.
*
* @exception {DeveloperError} point, p0, p1, and p2 are required.
*
* @example
* // Returns true
* var p = new Cartesian2(0.25, 0.25);
* var b = pointInsideTriangle(p,
* new Cartesian2(0.0, 0.0),
* new Cartesian2(1.0, 0.0),
* new Cartesian2(0.0, 1.0));
*/
var pointInsideTriangle = function(point, p0, p1, p2) {
barycentricCoordinates(point, p0, p1, p2, coords);
return (coords.x > 0.0) && (coords.y > 0.0) && (coords.z > 0);
};
return pointInsideTriangle;
});
Version data entries
7 entries across 7 versions & 1 rubygems