sfeng/ray-tracer-comp371
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fix typo and var names

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This commit is contained in:
Shuo Feng 2024-03-17 23:52:33 -04:00
parent b38e8bc964
commit b510e1d4d0
Signed by: sfeng
GPG key ID: 1E83AE6CD1C037B1
1 changed files with 6 additions and 6 deletions
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12
src/RayTracer.cc
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@ -45,14 +45,14 @@ void RayTracer::render() {
Vector3f cameraPos = Scene::current->center(); Vector3f cameraPos = Scene::current->center();
Vector3f lookAt = Scene::current->lookAt(); Vector3f lookAt = Scene::current->lookAt();
float vpHeight = float vpHeight =
2 * tan(Scene ::current->fov() / 180 * M_PI / 2) * lookAt.norm(); 2 * tan(Scene::current->fov() / 180 * M_PI / 2) * lookAt.norm();
float vpWidth = vpHeight * width / height; float vpWidth = vpHeight * width / height;
Vector3f vpU = Vector3f(vpWidth, 0, 0); Vector3f u = Vector3f(vpWidth, 0, 0);
Vector3f vpV = Vector3f(0, -vpHeight, 0); Vector3f v = Vector3f(0, -vpHeight, 0);
Vector3f du = vpU / width; Vector3f du = u / width;
Vector3f dv = vpV / height; Vector3f dv = v / height;
Vector3f vpUpperLeft = cameraPos + lookAt - vpU / 2.0 - vpV / 2.0; Vector3f vpUpperLeft = cameraPos + lookAt - u / 2.0 - v / 2.0;
Vector3f pxUpperLeft = vpUpperLeft + (du + dv) / 2.0; Vector3f pxUpperLeft = vpUpperLeft + (du + dv) / 2.0;
Output::current = new Output(Scene::current->backgroundColor(), Output::current = new Output(Scene::current->backgroundColor(),