sfeng/ray-tracer-comp371
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erase magic number

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Shuo Feng 2024-02-19 20:42:11 -05:00
parent 85d8025cd6
commit 0006e3f0f4
Signed by: sfeng
GPG key ID: 1E83AE6CD1C037B1
1 changed files with 1 additions and 1 deletions
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src/RayTracer.cc
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@ -30,7 +30,7 @@ void RayTracer::render(Scene *scene) {
Vector3f cameraPos = scene->getCenter(); Vector3f cameraPos = scene->getCenter();
Vector3f lookAt = scene->getLookAt(); Vector3f lookAt = scene->getLookAt();
Vector3f up = scene->getUpVector(); Vector3f up = scene->getUpVector();
float vpHeight = 2 * tan(fov / 180 * 3.14159265 / 2) * lookAt.norm(); float vpHeight = 2 * tan(fov / 180 * M_PI / 2) * lookAt.norm();
float vpWidth = vpHeight * width / height; float vpWidth = vpHeight * width / height;
Vector3f vpU = Vector3f(-vpWidth, 0, 0); Vector3f vpU = Vector3f(-vpWidth, 0, 0);
Vector3f vpV = Vector3f(0, vpHeight, 0); Vector3f vpV = Vector3f(0, vpHeight, 0);