BlackMATov/vmath.hpp
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look_at matrix functions

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BlackMATov
2020-11-26 05:49:35 +07:00
parent bf258a00ac
commit 6c4a1f64f5
3 changed files with 68 additions and 64 deletions
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22
untests/vmath_ext_tests.cpp
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@@ -108,30 +108,32 @@ TEST_CASE("vmath/ext") {
}
SECTION("matrix translate") {
STATIC_REQUIRE(float4(2.f,3.f,4.f,1.f) * translate(1.f,2.f,3.f) == approx4(3.f,5.f,7.f,1.f));
STATIC_REQUIRE(float4(2.f,3.f,4.f,1.f) * translate(float3{1.f,2.f,3.f}) == approx4(3.f,5.f,7.f,1.f));
STATIC_REQUIRE(float4(2.f,3.f,4.f,1.f) * translate(translate(1.f,2.f,3.f), 1.f,2.f,3.f) == approx4(4.f,7.f,10.f,1.f));
STATIC_REQUIRE(float4(2.f,3.f,4.f,1.f) * translate(translate(1.f,2.f,3.f), float3{1.f,2.f,3.f}) == approx4(4.f,7.f,10.f,1.f));
STATIC_REQUIRE(float4(2.f,3.f,4.f,1.f) * translate(translate(float3{1.f,2.f,3.f}), float3{1.f,2.f,3.f}) == approx4(4.f,7.f,10.f,1.f));
}
SECTION("matrix rotate") {
constexpr float pi = radians(180.f);
constexpr float pi_2 = radians(90.f);
REQUIRE(float4(2.f,3.f,4.f,1.f) * rotate(pi,0.f,0.f,1.f) == approx4(-2.f,-3.f,4.f,1.f));
REQUIRE(float4(2.f,3.f,4.f,1.f) * rotate(pi,{0.f,0.f,1.f}) == approx4(-2.f,-3.f,4.f,1.f));
REQUIRE(float4(2.f,3.f,4.f,1.f) * rotate(pi,float3{0.f,0.f,1.f}) == approx4(-2.f,-3.f,4.f,1.f));
REQUIRE(float4(2.f,3.f,4.f,1.f) * rotate(rotate(pi_2,0.f,0.f,1.f),pi_2,0.f,0.f,1.f) == approx4(-2.f,-3.f,4.f,1.f));
REQUIRE(float4(2.f,3.f,4.f,1.f) * rotate(rotate(pi_2,0.f,0.f,1.f),pi_2,float3{0.f,0.f,1.f}) == approx4(-2.f,-3.f,4.f,1.f));
REQUIRE(float4(2.f,3.f,4.f,1.f) * rotate(rotate(pi_2,{0.f,0.f,1.f}),pi_2,{0.f,0.f,1.f}) == approx4(-2.f,-3.f,4.f,1.f));
REQUIRE(float4(2.f,3.f,4.f,1.f) * rotate(rotate(pi_2,float3{0.f,0.f,1.f}),pi_2,float3{0.f,0.f,1.f}) == approx4(-2.f,-3.f,4.f,1.f));
}
SECTION("matrix scale") {
STATIC_REQUIRE(float4(2.f,3.f,4.f,1.f) * scale(2.f,3.f,4.f) == approx4(4.f,9.f,16.f,1.f));
STATIC_REQUIRE(float4(2.f,3.f,4.f,1.f) * scale(float3{2.f,3.f,4.f}) == approx4(4.f,9.f,16.f,1.f));
STATIC_REQUIRE(float4(2.f,3.f,4.f,1.f) * scale(float3{2.f,3.f,4.f}) == approx4(4.f,9.f,16.f,1.f));
STATIC_REQUIRE(float4(2.f,3.f,4.f,1.f) * scale(scale(2.f,2.f,2.f), 2.f,3.f,4.f) == approx4(8.f,18.f,32.f,1.f));
STATIC_REQUIRE(float4(2.f,3.f,4.f,1.f) * scale(scale(2.f,2.f,2.f), float3{2.f,3.f,4.f}) == approx4(8.f,18.f,32.f,1.f));
STATIC_REQUIRE(float4(2.f,3.f,4.f,1.f) * scale(scale(float3{2.f,2.f,2.f}), {2.f,3.f,4.f}) == approx4(8.f,18.f,32.f,1.f));
STATIC_REQUIRE(float4(2.f,3.f,4.f,1.f) * scale(scale(float3{2.f,2.f,2.f}), float3{2.f,3.f,4.f}) == approx4(8.f,18.f,32.f,1.f));
}
SECTION("matrix look_at") {
look_at_lh(float3(-10.f), float3(0.f), float3(0,-1,0));
look_at_rh(float3(-10.f), float3(0.f), float3(0,-1,0));
}
SECTION("vector angle") {