CJSatnarine/Raytracer
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Implement texture

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This commit is contained in:
CJSatnarine
2024-07-08 19:02:29 -04:00
parent e1e2d4ac2a
commit 18b2acb1fe
22 changed files with 360386 additions and 90076 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
CMakeLists.txt
View File

@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.5.0)
project(Raytracer VERSION 0.1.0 LANGUAGES C CXX) project(Raytracer VERSION 0.1.0 LANGUAGES C CXX)
add_executable(Raytracer add_executable(Raytracer
ImageGenerator.cpp main.cpp
aabb.h aabb.h
bvh.h bvh.h
camera.h camera.h
@@ -14,6 +14,7 @@ add_executable(Raytracer
ray.h ray.h
rayTracer.h rayTracer.h
sphere.h sphere.h
texture.h
vec3.h vec3.h
) )

2
build/.cmake/api/v1/reply/codemodel-v2-f57fe542ed13663d4779.json → build/.cmake/api/v1/reply/codemodel-v2-f6c7b9244f32065c2aec.json
View File

@@ -39,7 +39,7 @@
{ {
"directoryIndex" : 0, "directoryIndex" : 0,
"id" : "Raytracer::@6890427a1f51a3e7e1df", "id" : "Raytracer::@6890427a1f51a3e7e1df",
"jsonFile" : "target-Raytracer-Debug-53e51d7b7c539400eaa2.json", "jsonFile" : "target-Raytracer-Debug-c20492cef9da68491c1d.json",
"name" : "Raytracer", "name" : "Raytracer",
"projectIndex" : 0 "projectIndex" : 0
} }

4
build/.cmake/api/v1/reply/index-2024-07-08T20-14-45-0400.json → build/.cmake/api/v1/reply/index-2024-07-08T22-41-13-0242.json
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@@ -26,7 +26,7 @@
"objects" : "objects" :
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{ {
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"kind" : "codemodel", "kind" : "codemodel",
"version" : "version" :
{ {
@@ -99,7 +99,7 @@
} }
}, },
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"version" : "version" :
{ {

10
build/.cmake/api/v1/reply/target-Raytracer-Debug-53e51d7b7c539400eaa2.json → build/.cmake/api/v1/reply/target-Raytracer-Debug-c20492cef9da68491c1d.json
View File

@@ -92,7 +92,8 @@
9, 9,
10, 10,
11, 11,
12 12,
13
] ]
} }
], ],
@@ -101,7 +102,7 @@
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{ {
@@ -159,6 +160,11 @@
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"sourceGroupIndex" : 1 "sourceGroupIndex" : 1
}, },
{
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"path" : "texture.h",
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},
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2
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@@ -8,7 +8,7 @@ set(CMAKE_DEPENDS_LANGUAGES
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/home/cjsatnarine/Code/Raytracer/texture.h \
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/usr/include/c++/13/vector /usr/include/c++/13/bits/stl_vector.h \
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/home/cjsatnarine/Code/Raytracer/texture.h \
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36
build/Makefile
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@@ -129,29 +129,29 @@ Raytracer/fast:
$(MAKE) $(MAKESILENT) -f CMakeFiles/Raytracer.dir/build.make CMakeFiles/Raytracer.dir/build $(MAKE) $(MAKESILENT) -f CMakeFiles/Raytracer.dir/build.make CMakeFiles/Raytracer.dir/build
.PHONY : Raytracer/fast .PHONY : Raytracer/fast
ImageGenerator.o: ImageGenerator.cpp.o main.o: main.cpp.o
.PHONY : ImageGenerator.o .PHONY : main.o
# target to build an object file # target to build an object file
ImageGenerator.cpp.o: main.cpp.o:
$(MAKE) $(MAKESILENT) -f CMakeFiles/Raytracer.dir/build.make CMakeFiles/Raytracer.dir/ImageGenerator.cpp.o $(MAKE) $(MAKESILENT) -f CMakeFiles/Raytracer.dir/build.make CMakeFiles/Raytracer.dir/main.cpp.o
.PHONY : ImageGenerator.cpp.o .PHONY : main.cpp.o
ImageGenerator.i: ImageGenerator.cpp.i main.i: main.cpp.i
.PHONY : ImageGenerator.i .PHONY : main.i
# target to preprocess a source file # target to preprocess a source file
ImageGenerator.cpp.i: main.cpp.i:
$(MAKE) $(MAKESILENT) -f CMakeFiles/Raytracer.dir/build.make CMakeFiles/Raytracer.dir/ImageGenerator.cpp.i $(MAKE) $(MAKESILENT) -f CMakeFiles/Raytracer.dir/build.make CMakeFiles/Raytracer.dir/main.cpp.i
.PHONY : ImageGenerator.cpp.i .PHONY : main.cpp.i
ImageGenerator.s: ImageGenerator.cpp.s main.s: main.cpp.s
.PHONY : ImageGenerator.s .PHONY : main.s
# target to generate assembly for a file # target to generate assembly for a file
ImageGenerator.cpp.s: main.cpp.s:
$(MAKE) $(MAKESILENT) -f CMakeFiles/Raytracer.dir/build.make CMakeFiles/Raytracer.dir/ImageGenerator.cpp.s $(MAKE) $(MAKESILENT) -f CMakeFiles/Raytracer.dir/build.make CMakeFiles/Raytracer.dir/main.cpp.s
.PHONY : ImageGenerator.cpp.s .PHONY : main.cpp.s
# Help Target # Help Target
help: help:
@@ -162,9 +162,9 @@ help:
@echo "... edit_cache" @echo "... edit_cache"
@echo "... rebuild_cache" @echo "... rebuild_cache"
@echo "... Raytracer" @echo "... Raytracer"
@echo "... ImageGenerator.o" @echo "... main.o"
@echo "... ImageGenerator.i" @echo "... main.i"
@echo "... ImageGenerator.s" @echo "... main.s"
.PHONY : help .PHONY : help

BIN
build/Raytracer
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6
build/compile_commands.json
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@@ -1,8 +1,8 @@
[ [
{ {
"directory": "/home/cjsatnarine/Code/Raytracer/build", "directory": "/home/cjsatnarine/Code/Raytracer/build",
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"file": "/home/cjsatnarine/Code/Raytracer/ImageGenerator.cpp", "file": "/home/cjsatnarine/Code/Raytracer/main.cpp",
"output": "CMakeFiles/Raytracer.dir/ImageGenerator.cpp.o" "output": "CMakeFiles/Raytracer.dir/main.cpp.o"
} }
] ]

2
hittable.h
View File

@@ -12,6 +12,8 @@ class hitRecord {
vec3 normal; vec3 normal;
shared_ptr<material> mat; shared_ptr<material> mat;
double t; double t;
double u;
double v;
bool frontFace; bool frontFace;
void setFaceNormal(const ray& r, const vec3& outwardNormal) { void setFaceNormal(const ray& r, const vec3& outwardNormal) {

449986
image.ppm
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44
main.cpp
View File

@@ -7,13 +7,10 @@
#include "sphere.h" #include "sphere.h"
#include "texture.h" #include "texture.h"
int main(void) { void bouncingSpheres(void) {
// World. // World.
hittableList world; hittableList world;
auto checker = make_shared<checkerTexture>(0.32, colour(.2, .3, .1), colour(.9, .9, .9));
world.add(make_shared<sphere>(point3(0,-1000,0), 1000, make_shared<lambertian>(checker)));
// Code from the book. // Code from the book.
auto ground_material = make_shared<lambertian>(colour(0.5, 0.5, 0.5)); auto ground_material = make_shared<lambertian>(colour(0.5, 0.5, 0.5));
world.add(make_shared<sphere>(point3(0,-1000,0), 1000, ground_material)); world.add(make_shared<sphere>(point3(0,-1000,0), 1000, ground_material));
@@ -76,6 +73,41 @@ int main(void) {
cam.focusDistance = 10; cam.focusDistance = 10;
cam.render(world); cam.render(world);
}
return 0;
void checkeredSpheres(void) {
hittableList world;
auto checker = make_shared<checkerTexture>(0.32, colour(.9, .1, .1), colour(.9, .9, .9));
world.add(make_shared<sphere>(point3(0,-10, 0), 10, make_shared<lambertian>(checker)));
world.add(make_shared<sphere>(point3(0, 10, 0), 10, make_shared<lambertian>(checker)));
camera cam;
cam.aspectRatio = 16.0 / 9.0;
cam.imageWidth = 800;
cam.samplesPerPixel = 100;
cam.maxDepth = 50;
cam.vFieldOfView = 20;
cam.lookFrom = point3(13, 2, 3);
cam.lookAt = point3(0, 0, 0);
cam.vUp = vec3(0, 1, 0);
cam.defocusAngle = 0;
cam.render(world);
}
int main(void) {
int sceneToShow = 2;
switch (sceneToShow) {
case 1:
bouncingSpheres();
break;
case 2:
checkeredSpheres();
break;
}
} }

11
material.h
View File

@@ -2,6 +2,7 @@
#define MATERIAL_H #define MATERIAL_H
#include "rayTracer.h" #include "rayTracer.h"
#include "texture.h"
class hitRecord; class hitRecord;
@@ -16,20 +17,20 @@ class material {
class lambertian : public material { class lambertian : public material {
private: private:
colour albedo; shared_ptr<texture> tex;
public: public:
lambertian(const colour& albedo) : albedo(albedo) {} lambertian(const colour& albedo) : tex(make_shared<solidColour>(albedo)) {}
lambertian(shared_ptr<texture> tex) : tex(tex) {}
bool scatter(const ray& rIn, const hitRecord& rec, colour& attenuation, ray& scattered) bool scatter(const ray& rIn, const hitRecord& rec, colour& attenuation, ray& scattered) const override {
const override {
auto scatterDirection = rec.normal + randomUnitVector(); auto scatterDirection = rec.normal + randomUnitVector();
// Catch degenerate scatter direction. // Catch degenerate scatter direction.
if (scatterDirection.nearZero()) scatterDirection = rec.normal; if (scatterDirection.nearZero()) scatterDirection = rec.normal;
scattered = ray(rec.p, scatterDirection, rIn.time()); scattered = ray(rec.p, scatterDirection, rIn.time());
attenuation = albedo; attenuation = tex->value(rec.u, rec.v, rec.p);
return true; return true;
} }
}; };

50
texture.h Normal file
View File

@@ -0,0 +1,50 @@
#ifndef TEXTURE_H
#define TEXTURE_H
#include "rayTracer.h"
class texture {
public:
virtual ~texture() = default;
virtual colour value(double u, double v, const point3& p) const = 0;
};
class solidColour : public texture {
public:
solidColour(const colour& albedo) : albedo(albedo) {}
solidColour(double red, double green, double blue) : solidColour(colour(red, green, blue)) {}
colour value(double u, double v, const point3& p) const override {
return albedo;
}
private:
colour albedo;
};
class checkerTexture : public texture {
public:
checkerTexture(double scale, shared_ptr<texture> even, shared_ptr<texture> odd) : invScale(1.0 / scale), even(even), odd(odd) {}
checkerTexture(double scale, const colour& c1, const colour& c2) : invScale(1.0 / scale), even(make_shared<solidColour>(c1)), odd(make_shared<solidColour>(c2)) {}
colour value(double u, double v, const point3& p) const override {
auto xInteger = int(std::floor(invScale * p.x()));
auto yInteger = int(std::floor(invScale * p.y()));
auto zInteger = int(std::floor(invScale * p.z()));
bool isEven = (xInteger + yInteger + zInteger) % 2 == 0;
return isEven ? even->value(u, v, p) : odd->value(u, v, p);
}
private:
double invScale;
shared_ptr<texture> even;
shared_ptr<texture> odd;
};
#endif