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fix ray tracer projection plane

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IlyaShurupov 2024-06-18 23:47:19 +03:00 • committed by Ilya Shurupov
parent 39c3d88f7a
commit 351a5d842e
6 changed files with 37 additions and 16 deletions
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20
RayTracer/private/RayTracer.cpp
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@ -127,24 +127,22 @@ void RayTracer::render(const Scene& scene, OutputBuffers& out, const RenderSetti
mSettings = settings;
auto pos = mScene->mCamera.getPos();
auto fov = mScene->mCamera.getFOV();
auto height = sqrt(mScene->mCamera.getRatio());
auto width = 1.f / height;
auto forward = mScene->mCamera.getForward();
auto up = mScene->mCamera.getUp();
auto right = forward.cross(up);
auto planeCenter = pos + (forward * halnf(width / (2.f * tan(fov / 2.f))));
auto planeCenterOffset = (up * (halnf) height / 2.f) - (right * (halnf) width / 2.f);
auto camera = mScene->mCamera;
auto planeLeftTop = planeCenter + planeCenterOffset;
const auto planeLeftTop = camera.project({ -1, -1 });
const auto planeRightTop = camera.project({ 1, -1 });
const auto planeRightBottom = camera.project({ 1, 1 });
const auto up = (planeRightBottom - planeRightTop);
const auto right = planeRightTop - planeLeftTop;
RayCastData castData;
Ray ray = { { 0, 0, 0 }, pos };
Vec3F iterPoint = { 0, 0, 0 };
Vec3F deltaX = right * halnf(width / (alnf) mSettings.size.x);
Vec3F deltaY = up * halnf(-height / (alnf) mSettings.size.y);
Vec3F deltaX = right / halnf(mSettings.size.x);
Vec3F deltaY = up / halnf(mSettings.size.y);
ualni maxIterations = mSettings.size.x * mSettings.size.y;
ualni currIter = 0;

2
RayTracer/tests/Test.cpp
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@ -93,6 +93,8 @@ SUITE(RayTracer) {
RayTracer rt;
rt.render(scene, output, settings);
output.color.flipY();
CHECK(compareCols(output.color.get({ 6, 4 }), RGBA{ 0.560100f, 0.560100f, 0.560100f, 1.000000f }));
CHECK(compareCols(output.color.get({ 6, 5 }), RGBA{ 0.353739f, 0.353739f, 0.353739f, 1.000000f }));
CHECK(compareCols(output.color.get({ 6, 6 }), RGBA{ 0.242577f, 0.242577f, 0.242577f, 1.000000f }));