126 lines
4.0 KiB
C++
126 lines
4.0 KiB
C++
/*!
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* 10_patterns.cpp
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*
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* Copyright (c) 2015-2024, NADAL Jean-Baptiste. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*
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* @Author: NADAL Jean-Baptiste
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* @Date: 27/02/2024
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*
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*/
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/*---------------------------------------------------------------------------*/
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#include <catch.hpp>
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#include "raytracing.h"
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using namespace Raytracer;
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/* ------------------------------------------------------------------------- */
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SCENARIO("Creating a stripe pattern", "[features/patterns.feature]")
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{
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GIVEN("pattern <- strip_pattern(white, black)")
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{
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StripePattern pattern(Color::White(), Color::Black());
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THEN("pattern.a = white")
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{
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REQUIRE(pattern.a() == Color::White());
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}
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AND_THEN("pattern.b = black")
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{
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REQUIRE(pattern.b() == Color::Black());
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}
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}
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}
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/* ------------------------------------------------------------------------- */
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SCENARIO("A stripe pattern is constant in y", "[features/patterns.feature]")
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{
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GIVEN("pattern <- strip_pattern(white, black)")
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{
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StripePattern pattern(Color::White(), Color::Black());
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THEN("stripe_at(pattern, point(0, 0, 0) = white")
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{
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}
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AND_THEN("stripe_at(pattern, point(0, 1, 0) = white")
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{
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}
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AND_THEN("stripe_at(pattern, point(0, 2, 0) = white")
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{
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}
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}
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}
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/* ------------------------------------------------------------------------- */
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SCENARIO("A stripe pattern is constant in z", "[features/patterns.feature]")
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{
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GIVEN("pattern <- strip_pattern(white, black)")
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{
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StripePattern pattern(Color::White(), Color::Black());
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THEN("stripe_at(pattern, point(0, 0, 0) = white")
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{
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REQUIRE(pattern.stripe_at(Tuple::Point(0, 0, 0)) == Color::White());
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}
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AND_THEN("stripe_at(pattern, point(0, 0, 1) = white")
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{
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REQUIRE(pattern.stripe_at(Tuple::Point(0, 0, 1)) == Color::White());
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}
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AND_THEN("stripe_at(pattern, point(0, 0, 2) = white")
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{
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REQUIRE(pattern.stripe_at(Tuple::Point(0, 0, 2)) == Color::White());
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}
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}
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}
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/* ------------------------------------------------------------------------- */
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SCENARIO("A stripe pattern alternates in x", "[features/patterns.feature]")
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{
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GIVEN("pattern <- strip_pattern(white, black)")
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{
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StripePattern pattern(Color::White(), Color::Black());
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THEN("stripe_at(pattern, point(0, 0, 0) = white")
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{
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REQUIRE(pattern.stripe_at(Tuple::Point(0, 0, 0)) == Color::White());
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}
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AND_THEN("stripe_at(pattern, point(0.9, 0, 0) = white")
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{
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REQUIRE(pattern.stripe_at(Tuple::Point(0.9, 0, 0)) == Color::White());
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}
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AND_THEN("stripe_at(pattern, point(1, 0, 0) = black")
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{
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REQUIRE(pattern.stripe_at(Tuple::Point(1, 0, 0)) == Color::Black());
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}
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AND_THEN("stripe_at(pattern, point(-0.1, 0, 0) = black")
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{
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REQUIRE(pattern.stripe_at(Tuple::Point(-0.1, 0, 0)) == Color::Black());
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}
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AND_THEN("stripe_at(pattern, point(-1, 0, 0) = black")
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{
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REQUIRE(pattern.stripe_at(Tuple::Point(-1, 0, 0)) == Color::Black());
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}
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AND_THEN("stripe_at(pattern, point(-1.1, 0, 0) = white")
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{
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REQUIRE(pattern.stripe_at(Tuple::Point(-1.1, 0, 0)) == Color::White());
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}
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}
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}
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