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[FEAT] add operator * and / and magnitude

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NADAL Jean-Baptiste
2024-01-30 12:32:44 +01:00
parent 8ab4c0d192
commit 6bbc2b7d96
4 changed files with 105 additions and 0 deletions
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65
tests/chapitre01_tuples.cpp
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@@ -25,6 +25,8 @@
/*---------------------------------------------------------------------------*/
#include <cmath>
#include <catch.hpp>
#include "tuple.h"
@@ -136,3 +138,66 @@ TEST_CASE("Negative a tuple", "[Tuple][Operations]")
REQUIRE(-a == Tuple(-1, 2, -3, 4));
}
/* ------------------------------------------------------------------------- */
TEST_CASE("Multiplying a tuple by a scalar", "[Tuple][Multiplication]")
{
Tuple a(1, -2, 3, -4);
REQUIRE(a * 3.5 == Tuple(3.5, -7, 10.5, -14));
}
/* ------------------------------------------------------------------------- */
TEST_CASE("Dividing a tuple by a scalar", "[Tuple][Multiplication]")
{
Tuple a(1, -2, 3, -4);
REQUIRE(a / 2 == Tuple(0.5, -1, 1.5, -2));
}
/* ------------------------------------------------------------------------- */
TEST_CASE("Computing the magnitude of vector(1,0,0)", "[Tuple][Magnitude]")
{
Tuple v = Tuple::Vector(1, 0, 0);
REQUIRE(v.magnitude() == 1);
}
/* ------------------------------------------------------------------------- */
TEST_CASE("Computing the magnitude of vector(0,1,0)", "[Tuple][Magnitude]")
{
Tuple v = Tuple::Vector(0, 1, 0);
REQUIRE(v.magnitude() == 1);
}
/* ------------------------------------------------------------------------- */
TEST_CASE("Computing the magnitude of vector(0,0,1)", "[Tuple][Magnitude]")
{
Tuple v = Tuple::Vector(0, 0, 1);
REQUIRE(v.magnitude() == 1);
}
/* ------------------------------------------------------------------------- */
TEST_CASE("Computing the magnitude of vector(1,2,3)", "[Tuple][Magnitude]")
{
Tuple v = Tuple::Vector(1, 2, 3);
REQUIRE(v.magnitude() == sqrtf(14));
}
/* ------------------------------------------------------------------------- */
TEST_CASE("Computing the magnitude of vector(-1,-2,-3)", "[Tuple][Magnitude]")
{
Tuple v = Tuple::Vector(-1, -2, -3);
REQUIRE(v.magnitude() == sqrtf(14));
}