Esempio n. 1
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        public void IntersectingConeWithRayParallelOneHalves()
        {
            var s         = new shape.Cone();
            var direction = pt.Vector(0, 1, 1).Normalize();
            var r         = new Ray(pt.Point(0, 0, -1), direction);
            var xs        = s.Intersect(r);

            Assert.Single(xs);
            Assert.Equal(0.35355, xs[0].T, 5);
        }
Esempio n. 2
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        public void IntersectConeRay(double pX, double pY, double pZ, double vX, double vY, double vZ, double t0, double t1)
        {
            var s = new shape.Cone();

            var origin    = pt.Point(pX, pY, pZ);
            var direction = pt.Vector(vX, vY, vZ).Normalize();

            var ray = new Ray(origin, direction);
            var xs  = s.Intersect(ray);

            Assert.Equal(2, xs.Length);
            Assert.Equal(t0, xs[0].T, 5);
            Assert.Equal(t1, xs[1].T, 5);
        }
Esempio n. 3
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        public void IntersectConeEndCap(double pX, double pY, double pZ, double vX, double vY, double vZ, double count)
        {
            var s = new shape.Cone()
            {
                Minimum = -0.5,
                Maximum = 0.5,
                Closed  = true
            };

            var origin    = pt.Point(pX, pY, pZ);
            var direction = pt.Vector(vX, vY, vZ).Normalize();

            var ray = new Ray(origin, direction);
            var xs  = s.Intersect(ray);

            Assert.Equal(count, xs.Length);
        }