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-rw-r--r--src/accelerate/bvh.cpp12
-rw-r--r--src/accelerate/myqtconcurrent.cpp2
-rw-r--r--src/illuminate/illuminate.cpp6
-rw-r--r--src/raytracer/raytracer.cpp104
-rw-r--r--src/raytracer/raytracer.h3
-rw-r--r--src/utils/sceneparser.cpp4
-rw-r--r--src/utils/sceneparser.h2
7 files changed, 30 insertions, 103 deletions
diff --git a/src/accelerate/bvh.cpp b/src/accelerate/bvh.cpp
index 2949cbe..3640cf9 100644
--- a/src/accelerate/bvh.cpp
+++ b/src/accelerate/bvh.cpp
@@ -83,18 +83,6 @@ float intersectRegion(
return tMin;
}
-void updateAfterCollision(RenderShapeData& objA, RenderShapeData& objB) {
- glm::vec3 vA_prime = ((objA.mass - objB.mass) * objA.velocity + 2 * objB.mass * objB.velocity) / (objA.mass + objB.mass);
- glm::vec3 vB_prime = ((objB.mass - objA.mass) * objB.velocity + 2 * objA.mass * objA.velocity) / (objA.mass + objB.mass);
-
- objA.velocity = glm::vec4(vA_prime, 0.f);
- objB.velocity = glm::vec4(vB_prime, 0.f);
-
- objA.position += objA.velocity;
- objB.position += objB.velocity;
-
-}
-
float RayTracer::traverseBVH(
glm::vec4 p,
glm::vec4 d,
diff --git a/src/accelerate/myqtconcurrent.cpp b/src/accelerate/myqtconcurrent.cpp
index 08248f4..4d0cb1e 100644
--- a/src/accelerate/myqtconcurrent.cpp
+++ b/src/accelerate/myqtconcurrent.cpp
@@ -52,7 +52,7 @@ void RayTracer::renderParallel(RGBA *imageData, const RayTraceScene &scene)
float z = (imageDepth - scene.depth()/2.f) * viewplaneDepth / scene.depth();
glm::vec4 pWorld = Vec4Ops::transformPoint4(glm::vec4(0.f), camera.getViewMatrix(), camera.getTranslationVector());
- glm::vec4 dWorld = Vec4Ops::transformDir4(glm::vec4(x, y, z, -1.0), camera.getViewMatrix());
+ glm::vec4 dWorld = glm::normalize(Vec4Ops::transformDir4(glm::vec4(x, y, z, -1.0), camera.getViewMatrix()));
pixelRoutineArgs args{
pWorld,
diff --git a/src/illuminate/illuminate.cpp b/src/illuminate/illuminate.cpp
index 641f06d..a651924 100644
--- a/src/illuminate/illuminate.cpp
+++ b/src/illuminate/illuminate.cpp
@@ -87,10 +87,10 @@ glm::vec4 RayTracer::illuminatePixel(
}
}
- // auto incidentDir = -directionToCamera;
+ auto incidentDir = -directionToCamera;
// recursive raytracing for the reflection and refraction (see reflect.cpp)
- // illumination += refract(intersectionWorld, normalWorld, incidentDir, shape, scene, depth + 1);
- // illumination += reflect(intersectionWorld, normalWorld, incidentDir, shape, scene, depth + 1);
+ illumination += refract(intersectionWorld, normalWorld, incidentDir, shape, scene, depth + 1);
+ illumination += reflect(intersectionWorld, normalWorld, incidentDir, shape, scene, depth + 1);
return illumination;
} \ No newline at end of file
diff --git a/src/raytracer/raytracer.cpp b/src/raytracer/raytracer.cpp
index 3a06910..19595e8 100644
--- a/src/raytracer/raytracer.cpp
+++ b/src/raytracer/raytracer.cpp
@@ -1,6 +1,7 @@
#include <QList>
#include <QtConcurrent>
#include <iostream>
+#include <cstdlib>
#include "raytracer.h"
#include "raytracescene.h"
#include "settings.h"
@@ -38,44 +39,7 @@ glm::vec4 getPt(glm::vec3 n1 , glm::vec3 n2 , float perc )
// updated to use 4D
void RayTracer::render(RGBA *imageData, const RayTraceScene &scene) {
- if (m_enableParallelism) {
- renderParallel(imageData, scene);
- } else {
- // naive rendering
- Camera camera = scene.getCamera();
- float cameraDepth = 1.f;
-
- float viewplaneHeight = 2.f*cameraDepth*std::tan(camera.getHeightAngle() / 2.f);
- float viewplaneWidth = cameraDepth*viewplaneHeight*((float)scene.width()/(float)scene.height());
-
- for (int imageRow = 0; imageRow < scene.height(); imageRow++) {
- for (int imageCol = 0; imageCol < scene.width(); imageCol++) {
- // FIXME: for now, use height as depth
- for (int imageDepth = 0; imageDepth < scene.height(); imageDepth++) {
- // compute the ray
- float x = (imageCol - scene.width()/2.f) * viewplaneWidth / scene.width();
- float y = (imageRow - scene.height()/2.f) * viewplaneHeight / scene.height();
- float z = (imageDepth - scene.height()/2.f) * viewplaneHeight / scene.height();
- float camera4dDepth = 1;
-
- glm::vec4 pWorld = Vec4Ops::transformPoint4(glm::vec4(x, y, z, 0.f), camera.getViewMatrix(), camera.getTranslationVector());
- glm::vec4 dWorld = glm::vec4(0.f, 0.f, 0.f, -1.f);
-
- // get the pixel color
- glm::vec4 pixelColor = getPixelFromRay(pWorld, dWorld, scene, 0);
-
- // set the pixel color
- int index = imageRow * scene.width() + imageCol;
- imageData[index] = RGBA{
- (std::uint8_t) (pixelColor.r * 255.f),
- (std::uint8_t) (pixelColor.g * 255.f),
- (std::uint8_t) (pixelColor.b * 255.f),
- (std::uint8_t) (pixelColor.a * 255.f)
- };
- }
- }
- }
- }
+ renderParallel(imageData, scene);
if (settings.bulkOutputFolderPath.size() > 0) { // means we are doing bulk rendering
// save the image to the bulk directory
@@ -85,6 +49,11 @@ void RayTracer::render(RGBA *imageData, const RayTraceScene &scene) {
// render the next frame
settings.currentTime++;
emit settingsChanged(m_imageLabel); // emit to allow the UI to update then render the next frame
+ } else { // done rendering
+ // assemble the video
+ saveFFMPEGVideo(settings.bulkOutputFolderPath);
+ settings.currentTime = 0;
+ settings.bulkOutputFolderPath = "";
}
}
emit cameraPositionChanged(m_metaData.cameraData.pos);
@@ -148,37 +117,6 @@ glm::vec4 RayTracer::getPixelFromRay(
return illuminatePixel(closestIntersectionWorld, normalWorld, -dWorld, intersectedShape, scene, depth);
}
-// EXTRA CREDIT -> depth of field
-glm::vec4 RayTracer::secondaryRays(glm::vec4 pWorld, glm::vec4 dWorld, RayTraceScene &scene)
-{
- auto inv = scene.getCamera().getInverseViewMatrix();
- float focalLength = scene.getCamera().getFocalLength();
- float aperture = scene.getCamera().getAperture();
-
- glm::vec4 illumination(0.f);
- glm::vec4 focalPoint = pWorld + focalLength * dWorld;
-
- int TIMES = 500;
- for (int i = 0; i < TIMES; i++) {
- // generate a random number from -aperature to aperature
- float rand1 = ((float) rand() / (float) RAND_MAX) * aperture;
- rand1 *= (rand() % 2 == 0) ? 1 : -1;
- // generate another number also inside the aperature lens
- float rand2 = ((float) rand() / (float) RAND_MAX) * std::sqrt(aperture - rand1*rand1);
- rand2 *= (rand() % 2 == 0) ? 1 : -1;
- glm::vec4 randEye = (rand() % 2 == 0) ? glm::vec4(rand1, rand2, 0.f, 1.f) : glm::vec4(rand2, rand1, 0.f, 1.f);
- // convert this random point to world space
- glm::vec4 eyeWorld = inv * randEye;
-
- // make the ray
- glm::vec4 randomDir = glm::vec4(glm::normalize(focalPoint.xyz() - eyeWorld.xyz()), 0.f);
-
- illumination += getPixelFromRay(eyeWorld, randomDir, scene, 0);
- }
-
- return illumination / (float) TIMES;
-}
-
void RayTracer::sceneChanged(QLabel* imageLabel) {
// RenderData metaData;
@@ -188,6 +126,7 @@ void RayTracer::sceneChanged(QLabel* imageLabel) {
std::cerr << "Error loading scene: \"" << settings.sceneFilePath << "\"" << std::endl;
m_image.fill(Qt::black);
imageLabel->setPixmap(QPixmap::fromImage(m_image));
+ m_imageData = reinterpret_cast<RGBA *>(m_image.bits());
return;
}
@@ -207,17 +146,11 @@ void RayTracer::sceneChanged(QLabel* imageLabel) {
}
void RayTracer::settingsChanged(QLabel* imageLabel) {
- bool success = SceneParser::parse(settings.sceneFilePath, m_metaData);
-
- if (!success) {
- std::cerr << "Error loading scene: \"" << settings.sceneFilePath << "\"" << std::endl;
- // return;
- // render a blank image
- QImage image = QImage(576, 432, QImage::Format_RGBX8888);
- image.fill(Qt::black);
- RGBA *data = reinterpret_cast<RGBA *>(image.bits());
- m_imageData = data;
- imageLabel->setPixmap(QPixmap::fromImage(image));
+ if (settings.sceneFilePath.size() == 0) {
+ // no scene loaded
+ m_image.fill(Qt::black);
+ imageLabel->setPixmap(QPixmap::fromImage(m_image));
+ m_imageData = reinterpret_cast<RGBA *>(m_image.bits());
return;
}
@@ -226,7 +159,7 @@ void RayTracer::settingsChanged(QLabel* imageLabel) {
QImage image = QImage(width, height, QImage::Format_RGBX8888);
image.fill(Qt::black);
- RGBA *data = reinterpret_cast<RGBA *>(image.bits());
+ m_imageData = reinterpret_cast<RGBA *>(image.bits());
RayTraceScene rtScene{ m_width, m_height, m_metaData, m_depth };
Camera camera = rtScene.getCamera();
@@ -340,3 +273,12 @@ void RayTracer::saveViewportImage(std::string filePath) {
QImage image = QImage((uchar *) m_imageData, 576, 432, QImage::Format_RGBX8888);
image.save(QString::fromStdString(filePath));
}
+
+void RayTracer::saveFFMPEGVideo(std::string filePath) {
+ std::string directory = filePath + QDir::separator().toLatin1();
+ std::string command = "ffmpeg -framerate 30 -pattern_type glob -i '" + directory + "*.png' -c:v libx264 -pix_fmt yuv420p '" + directory + "video.mp4'";
+ int result = std::system(command.c_str());
+ if (result != 0) {
+ std::cerr << "Failed to assemble video." << std::endl;
+ }
+}
diff --git a/src/raytracer/raytracer.h b/src/raytracer/raytracer.h
index 58b1815..ee46668 100644
--- a/src/raytracer/raytracer.h
+++ b/src/raytracer/raytracer.h
@@ -37,7 +37,7 @@ struct Config {
class RayTracer : public QWidget
{
- Q_OBJECT
+ Q_OBJECT
public:
// constructor for the config
RayTracer(QWidget *parent = nullptr);
@@ -178,6 +178,7 @@ public:
QImage m_image;
void saveViewportImage(std::string filename);
+ void saveFFMPEGVideo(std::string filename);
void wSliderChanged(QLabel* imageLabel);
// Camera m_camera;
diff --git a/src/utils/sceneparser.cpp b/src/utils/sceneparser.cpp
index e2015cd..7db16b0 100644
--- a/src/utils/sceneparser.cpp
+++ b/src/utils/sceneparser.cpp
@@ -94,9 +94,7 @@ void initTree(SceneNode* currentNode, std::vector<RenderShapeData> *shapes, std:
.translation4d = currentTranslation4d,
.inverseCTM = glm::inverse(currentCTM),
.inverseTranslation4d = -currentTranslation4d,
- // .position = glm::vec4(0.f, 0.f, 0.f, 1.f),
- // .velocity = glm::vec4(0.f, 0.f, 0.f, 0.f),
- // .mass = unitMass,
+ .velocity = primitive->velocity,
};
shapes->push_back(rsd);
// }
diff --git a/src/utils/sceneparser.h b/src/utils/sceneparser.h
index 3ab93a8..96803c9 100644
--- a/src/utils/sceneparser.h
+++ b/src/utils/sceneparser.h
@@ -12,9 +12,7 @@ struct RenderShapeData {
glm::vec4 translation4d; // appended to the right of the ctm (for 4d translation)
glm::mat4 inverseCTM;
glm::vec4 inverseTranslation4d; // appended to the right of the inverse ctm (for 4d translation)
- glm::vec4 position;
glm::vec4 velocity;
- float mass;
};
// Struct which contains all the data needed to render a scene
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-10-06 10:39:20 +0000