sfeng/ray-tracer-comp371
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reformat rt

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This commit is contained in:
Shuo Feng 2024-03-14 19:20:37 -04:00
parent 641b62ca01
commit 60a3180f1e
Signed by: sfeng
GPG key ID: 1E83AE6CD1C037B1
2 changed files with 11 additions and 10 deletions
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19
src/RayTracer.cc
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@ -39,12 +39,13 @@ void RayTracer::calculateColor(const HitRecord &hit, Output *buffer, int i) {
buffer->b(i, result.z());
}
void RayTracer::render(Scene *scene) {
int width = scene->width();
int height = scene->height();
Vector3f cameraPos = scene->center();
Vector3f lookAt = scene->lookAt();
float vpHeight = 2 * tan(scene->fov() / 180 * M_PI / 2) * lookAt.norm();
void RayTracer::render() {
int width = Scene::current->width();
int height = Scene::current->height();
Vector3f cameraPos = Scene::current->center();
Vector3f lookAt = Scene::current->lookAt();
float vpHeight =
2 * tan(Scene ::current->fov() / 180 * M_PI / 2) * lookAt.norm();
float vpWidth = vpHeight * width / height;
Vector3f vpU = Vector3f(vpWidth, 0, 0);
Vector3f vpV = Vector3f(0, -vpHeight, 0);
@ -54,8 +55,8 @@ void RayTracer::render(Scene *scene) {
Vector3f vpUpperLeft = cameraPos + lookAt - vpU / 2.0 - vpV / 2.0;
Vector3f pxUpperLeft = vpUpperLeft + (du + dv) / 2.0;
Output *buffer =
new Output(scene->backgroundColor(), scene->name(), width, height);
Output *buffer = new Output(Scene::current->backgroundColor(),
Scene::current->name(), width, height);
for (int y = 0; y < height; ++y)
for (int x = 0; x < width; ++x) {
@ -87,7 +88,7 @@ void RayTracer::run() {
for (auto scene : scenes) {
Scene::current = scene;
render(scene);
render();
}
output();

2
src/RayTracer.h
View file

@ -23,7 +23,7 @@ private:
void parse();
void calculateColor(const HitRecord &, Output *, int);
void render(Scene *);
void render();
void output();
};