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feat(matrix): add C44Matrix::RotationAroundZ

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fallenoak 2020-11-29 23:17:09 -06:00
parent 5e8ed6ae7f
commit 957635b484
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3 changed files with 73 additions and 0 deletions
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42
test/Matrix.cpp
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@ -1,6 +1,48 @@
#include "tempest/Matrix.hpp"
#include "test/Test.hpp"
TEST_CASE("C44Matrix::RotationAroundZ", "[matrix]") {
SECTION("returns rotation matrix for 0 degree angle") {
auto rotation = C44Matrix::RotationAroundZ(0.0f);
CHECK(rotation.a0 == 1.0f);
CHECK(rotation.a1 == 0.0f);
CHECK(rotation.a2 == 0.0f);
CHECK(rotation.a3 == 0.0f);
CHECK(rotation.b0 == 0.0f);
CHECK(rotation.b1 == 1.0f);
CHECK(rotation.b2 == 0.0f);
CHECK(rotation.b3 == 0.0f);
CHECK(rotation.c0 == 0.0f);
CHECK(rotation.c1 == 0.0f);
CHECK(rotation.c2 == 1.0f);
CHECK(rotation.c3 == 0.0f);
CHECK(rotation.d0 == 0.0f);
CHECK(rotation.d1 == 0.0f);
CHECK(rotation.d2 == 0.0f);
CHECK(rotation.d3 == 1.0f);
}
SECTION("returns rotation matrix for 180 degree angle") {
auto rotation = C44Matrix::RotationAroundZ(3.1415927f);
CHECK(rotation.a0 == Approx(-1.0f).margin(0.0000001f));
CHECK(rotation.a1 == Approx(0.0f).margin(0.0000001f));
CHECK(rotation.a2 == 0.0f);
CHECK(rotation.a3 == 0.0f);
CHECK(rotation.b0 == Approx(0.0f).margin(0.0000001f));
CHECK(rotation.b1 == Approx(-1.0f).margin(0.0000001f));
CHECK(rotation.b2 == 0.0f);
CHECK(rotation.b3 == 0.0f);
CHECK(rotation.c0 == 0.0f);
CHECK(rotation.c1 == 0.0f);
CHECK(rotation.c2 == 1.0f);
CHECK(rotation.c3 == 0.0f);
CHECK(rotation.d0 == 0.0f);
CHECK(rotation.d1 == 0.0f);
CHECK(rotation.d2 == 0.0f);
CHECK(rotation.d3 == 1.0f);
}
}
TEST_CASE("C44Matrix", "[matrix]") {
SECTION("constructs with default constructor") {
C44Matrix matrix;