From c6f2be2fed772f300c0cdfe59a4a8a2733d15574 Mon Sep 17 00:00:00 2001
From: sotech117 <michael_foiani@brown.edu>
Date: Wed, 13 Dec 2023 00:51:26 -0500
Subject: fixing rays directions 4d

---
 src/vec4ops/transform4d.cpp | 2 +-
 src/vec4ops/vec4ops.cpp     | 9 ++++-----
 2 files changed, 5 insertions(+), 6 deletions(-)

(limited to 'src/vec4ops')

diff --git a/src/vec4ops/transform4d.cpp b/src/vec4ops/transform4d.cpp
index 66ca8e3..48957f4 100644
--- a/src/vec4ops/transform4d.cpp
+++ b/src/vec4ops/transform4d.cpp
@@ -13,7 +13,7 @@ glm::vec4 Vec4Ops::transformPoint4(glm::vec4 point4,  glm::mat4 transformDirecti
 glm::vec4 Vec4Ops::inverseTransformPoint4(glm::vec4 point4,  glm::mat4 inverseTransformDirectionMatrix, glm::vec4 inverseTranslationPointVector) {
     // do the direction then translation
     point4 += inverseTranslationPointVector;
-    point4 = inverseTranslationPointVector * point4;
+    point4 = inverseTransformDirectionMatrix * point4;
     return point4;
 }
 
diff --git a/src/vec4ops/vec4ops.cpp b/src/vec4ops/vec4ops.cpp
index 9bd29e8..cf0900a 100644
--- a/src/vec4ops/vec4ops.cpp
+++ b/src/vec4ops/vec4ops.cpp
@@ -23,7 +23,6 @@ glm::vec4 Vec4Ops::cross4(
     result[1] = -(u[0] * f) + (u[2] * c) - (u[3] * b);
     result[2] = (u[0] * e) - (u[1] * c) + (u[3] * a);
     result[3] = -(u[0] * d) + (u[1] * b) - (u[2] * a);
-
     return result;
 }
 
@@ -34,23 +33,23 @@ glm::vec4 Vec4Ops::dot4(
 }
 
 glm::mat4 Vec4Ops::getViewMatrix4(
-        glm::vec4 upVector,
         glm::vec4 lookVector,
+        glm::vec4 upVector,
         glm::vec4 overVector) {
     // start with the e3 basis vector, the normalized look vector
-    glm::vec4 e3 = glm::normalize(lookVector);
+    glm::vec4 e3 = glm::normalize(-lookVector);
 
     // calculate e0 basis vector, from the combinatory cross of up and over with e3
     glm::vec4 e0 = cross4(upVector, overVector, e3);
     e0 = glm::normalize(e0);
-    if (glm::distance(e0, glm::vec4{0, 0, 0, 0}) < 0.0001f) {
+    if (glm::isnan(e0[0]) || glm::isnan(e0[1]) || glm::isnan(e0[2]) || glm::isnan(e0[3])) {
         throw std::runtime_error("invalid up vector");
     }
 
     // calculate e1 basis vector, from the cross of only the over vector
     glm::vec4 e1 = cross4(overVector, e3, e0);
     e1 = glm::normalize(e1);
-    if (glm::distance(e1, glm::vec4{0, 0, 0, 0}) < 0.0001f) {
+    if (glm::isnan(e1[0]) || glm::isnan(e1[1]) || glm::isnan(e1[2]) || glm::isnan(e1[3])) {
         throw std::runtime_error("invalid over vector");
     }
 
-- 
cgit v1.2.3-70-g09d2


From 07776876eb4638a224fd332944ce9ddca1f5a592 Mon Sep 17 00:00:00 2001
From: sotech117 <michael_foiani@brown.edu>
Date: Wed, 13 Dec 2023 01:30:52 -0500
Subject: hardcode the camera depth to where a result is shown

---
 .idea/QtSettings.xml                               |   2 +-
 cmake-build-release/.ninja_deps                    | Bin 174976 -> 265104 bytes
 cmake-build-release/.ninja_log                     | 116 +++++++++++++++----
 .../projects_ray_autogen.dir/ParseCache.txt        | 124 ++++++++++-----------
 cmake-build-release/Testing/Temporary/LastTest.log |   4 +-
 cmake-build-release/projects_ray                   | Bin 350537 -> 350681 bytes
 scenefiles-4d/unit_sphere.json                     |   2 +-
 src/accelerate/myqtconcurrent.cpp                  |  32 +++---
 src/illuminate/illuminate.cpp                      |   1 +
 src/intersect/intersect.cpp                        |   2 +
 src/vec4ops/vec4ops.cpp                            |   2 +-
 11 files changed, 182 insertions(+), 103 deletions(-)

(limited to 'src/vec4ops')

diff --git a/.idea/QtSettings.xml b/.idea/QtSettings.xml
index faa7b06..dd42746 100644
--- a/.idea/QtSettings.xml
+++ b/.idea/QtSettings.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="QtSettings">
-    <option name="myCurrentProfile" value="Debug" />
+    <option name="myCurrentProfile" value="Release" />
     <option name="mySettingsPerProfile">
       <map>
         <entry key="Debug">
diff --git a/cmake-build-release/.ninja_deps b/cmake-build-release/.ninja_deps
index f9af373..b282309 100644
Binary files a/cmake-build-release/.ninja_deps and b/cmake-build-release/.ninja_deps differ
diff --git a/cmake-build-release/.ninja_log b/cmake-build-release/.ninja_log
index 0f5dc5a..05a15b7 100644
--- a/cmake-build-release/.ninja_log
+++ b/cmake-build-release/.ninja_log
@@ -1,31 +1,101 @@
 # ninja log v5
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diff --git a/cmake-build-release/CMakeFiles/projects_ray_autogen.dir/ParseCache.txt b/cmake-build-release/CMakeFiles/projects_ray_autogen.dir/ParseCache.txt
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+/Users/sotech117/Documents/master/graphics/the-all-americans-in-cs1230/src/accelerate/kdtree.cpp
+/Users/sotech117/Documents/master/graphics/the-all-americans-in-cs1230/src/raytracer/raytracer.cpp
+/Users/sotech117/Documents/master/graphics/the-all-americans-in-cs1230/src/utils/raytracerutils.cpp
+/Users/sotech117/Documents/master/graphics/the-all-americans-in-cs1230/src/texture/texture.cpp
+/Users/sotech117/Documents/master/graphics/the-all-americans-in-cs1230/src/intersect/normals.cpp
+/Users/sotech117/Documents/master/graphics/the-all-americans-in-cs1230/src/vec4ops/transform4d.cpp
+/Users/sotech117/Documents/master/graphics/the-all-americans-in-cs1230/src/vec4ops/rotations4d.cpp
+/Users/sotech117/Documents/master/graphics/the-all-americans-in-cs1230/src/aliasing/filter.cpp
+/Users/sotech117/Documents/master/graphics/the-all-americans-in-cs1230/src/utils/scenefilereader.cpp
diff --git a/cmake-build-release/Testing/Temporary/LastTest.log b/cmake-build-release/Testing/Temporary/LastTest.log
index 5382781..0500d4b 100644
--- a/cmake-build-release/Testing/Temporary/LastTest.log
+++ b/cmake-build-release/Testing/Temporary/LastTest.log
@@ -1,3 +1,3 @@
-Start testing: Dec 13 00:50 EST
+Start testing: Dec 13 01:29 EST
 ----------------------------------------------------------
-End testing: Dec 13 00:50 EST
+End testing: Dec 13 01:29 EST
diff --git a/cmake-build-release/projects_ray b/cmake-build-release/projects_ray
index 3b6f9da..bb364be 100755
Binary files a/cmake-build-release/projects_ray and b/cmake-build-release/projects_ray differ
diff --git a/scenefiles-4d/unit_sphere.json b/scenefiles-4d/unit_sphere.json
index f4a7546..5099526 100644
--- a/scenefiles-4d/unit_sphere.json
+++ b/scenefiles-4d/unit_sphere.json
@@ -21,7 +21,7 @@
         {
           "type": "directional",
           "color": [1.0, 1.0, 1.0],
-          "direction": [-3.0, -2.0, -1.0, 0.0]
+          "direction": [-3.0, -2.0, -1.0, -2.0]
         }
       ]
     },
diff --git a/src/accelerate/myqtconcurrent.cpp b/src/accelerate/myqtconcurrent.cpp
index 259fba3..12e9138 100644
--- a/src/accelerate/myqtconcurrent.cpp
+++ b/src/accelerate/myqtconcurrent.cpp
@@ -1,6 +1,7 @@
 
 #include <QList>
 #include <QtConcurrent>
+#include <iostream>
 #include "../raytracer/raytracer.h"
 #include "../vec4ops/vec4ops.h"
 #include "settings.h"
@@ -48,21 +49,29 @@ void RayTracer::renderParallel(RGBA *imageData, const RayTraceScene &scene)
                 // 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.width()/2.f) * viewplaneDepth / scene.width();
+                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());
                 // get the pixel color
                 glm::vec4 pixelColor = getPixelFromRay(pWorld, dWorld, scene, 0);
 
+                if (pixelColor.r > 0) {
+                    std::cout << "pixelColor.r: " << pixelColor.r << ", x" << imageCol << ", y" << imageRow << ", z" << imageDepth << std::endl;
+                }
+
                 // 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)
-                };
+                if (imageDepth == 250)
+                {
+                    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)
+                    };
+                }
+
             }
         }
     }
@@ -72,11 +81,8 @@ void RayTracer::renderParallel(RGBA *imageData, const RayTraceScene &scene)
     // get the slice relating to z == 0 and set it into int the iamge data array
 
     // int currentSlice = settings.w + 100.f * (5.f / 2.f);
-    int currentSlice = 0;
-    int ptr = currentSlice * scene.width() * scene.height();
-    for (int i = 0; i < scene.width() * scene.height(); i++) {
-        imageData[i] = pixels[ptr + i];
-    }
+
+    std::cout << " here " << std::endl;
 
     if (m_enableAntiAliasing)
     {
diff --git a/src/illuminate/illuminate.cpp b/src/illuminate/illuminate.cpp
index a093fd1..39ecccb 100644
--- a/src/illuminate/illuminate.cpp
+++ b/src/illuminate/illuminate.cpp
@@ -1,3 +1,4 @@
+#include <iostream>
 #include "raytracer/raytracer.h"
 
 glm::vec4  RayTracer::illuminationFromPointLight(
diff --git a/src/intersect/intersect.cpp b/src/intersect/intersect.cpp
index 353508e..69512e3 100644
--- a/src/intersect/intersect.cpp
+++ b/src/intersect/intersect.cpp
@@ -1,3 +1,4 @@
+#include <iostream>
 #include "raytracer/raytracer.h"
 
 /**
@@ -28,6 +29,7 @@ glm::vec4 intersectCircle(
         return glm::vec4(0.f);
     }
 
+
     float t1 = (-b - std::sqrt(discriminant)) / (2.f*a);
     float t2 = (-b + std::sqrt(discriminant)) / (2.f*a);
     if (t1 <= 0 && t2 <= 0) // both behind camera
diff --git a/src/vec4ops/vec4ops.cpp b/src/vec4ops/vec4ops.cpp
index cf0900a..3ef939a 100644
--- a/src/vec4ops/vec4ops.cpp
+++ b/src/vec4ops/vec4ops.cpp
@@ -37,7 +37,7 @@ glm::mat4 Vec4Ops::getViewMatrix4(
         glm::vec4 upVector,
         glm::vec4 overVector) {
     // start with the e3 basis vector, the normalized look vector
-    glm::vec4 e3 = glm::normalize(-lookVector);
+    glm::vec4 e3 = glm::normalize(lookVector);
 
     // calculate e0 basis vector, from the combinatory cross of up and over with e3
     glm::vec4 e0 = cross4(upVector, overVector, e3);
-- 
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