Function makeTriangle

tests/geom/intersects/TriangleToLine.test.js:13–25

()

    // Helper: create a mock triangle with an axis-aligned right triangle
    // vertices: (0,0), (100,0), (0,100)
    function makeTriangle()
    {
        return {
            contains: function (x, y)
            {
                // Inside if x>=0, y>=0, x+y<=100
                return x >= 0 && y >= 0 && (x + y) <= 100;
            },
            getLineA: function () { return makeLine(0, 0, 100, 0); },   // bottom edge
            getLineB: function () { return makeLine(100, 0, 0, 100); }, // hypotenuse
            getLineC: function () { return makeLine(0, 100, 0, 0); }    // left edge
        };
    }

    it('should return true when the line starts inside the triangle', function ()
    {