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~ | Refraction change

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TheRedShip
2025-01-12 19:05:03 +01:00
parent 5d5c9d432e
commit 1908057434
8 changed files with 15 additions and 10 deletions
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2
imgui.ini
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@ -7,7 +7,7 @@ Pos=1515,93
Size=368,276
[Window][Material]
Pos=1620,199
Pos=1601,205
Size=297,259
[Window][Camera]

1
includes/RT/Object.hpp
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@ -21,6 +21,7 @@ typedef struct s_Material
float emission;
float roughness;
float metallic;
float refraction;
int type;
} Material;

1
includes/RT/Scene.hpp
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@ -39,6 +39,7 @@ struct GPUMaterial
float emission;
float roughness;
float metallic;
float refraction;
int type;
};

2
shaders/compute.glsl
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@ -26,8 +26,8 @@ struct GPUMaterial
float emission; // 4
float roughness; // 4
float metallic; // 4
float refraction; // 4
int type; // 4
int texture_index; // 4
};
struct GPUCamera

4
shaders/scatter.glsl
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@ -17,12 +17,12 @@ Ray dieletricRay(hitInfo hit, Ray ray, GPUMaterial mat)
float refraction_ratio;
vec3 unit_direction;
refraction_ratio = 1.0f / mat.roughness; //mat.roughness = refraction (saving memory)
refraction_ratio = 1.0f / mat.refraction;
if (dot(ray.direction, hit.normal) > 0.0f)
{
hit.normal = -hit.normal;
refraction_ratio = mat.roughness;
refraction_ratio = mat.refraction;
}
unit_direction = normalize(ray.direction);

1
srcs/class/Scene.cpp
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@ -142,6 +142,7 @@ void Scene::updateGPUData()
gpu_mat.emission = material->emission;
gpu_mat.roughness = material->roughness;
gpu_mat.metallic = material->metallic;
gpu_mat.refraction = material->refraction;
gpu_mat.type = material->type;
_gpu_materials.push_back(gpu_mat);

7
srcs/class/SceneParser.cpp
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@ -61,13 +61,13 @@ void SceneParser::parseMaterial(std::stringstream &line)
{
float r,g,b;
float emission;
float roughness;
float rough_refrac;
float metallic;
std::string type;
Material *mat;
if (!(line >> r >> g >> b >> emission >> roughness >> metallic))
if (!(line >> r >> g >> b >> emission >> rough_refrac >> metallic))
throw std::runtime_error("Material: Missing material properties");
if (!(line >> type))
@ -77,8 +77,9 @@ void SceneParser::parseMaterial(std::stringstream &line)
mat->color = glm::vec3(r / 255.0f, g / 255.0f, b / 255.0f);
mat->emission = emission;
mat->roughness = roughness;
mat->roughness = rough_refrac;
mat->metallic = metallic;
mat->refraction = rough_refrac;
mat->type = 0;
if (type == "LAM")

5
srcs/class/Window.cpp
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@ -200,11 +200,12 @@ void Window::imGuiRender()
has_changed |= ImGui::SliderFloat("Emission", &mat.emission, 0.0f, 10.0f);
if (mat.type == 1)
has_changed |= ImGui::SliderFloat("Roughness", &mat.roughness, 0.0f, 5.0f);
has_changed |= ImGui::SliderFloat("Refraction", &mat.refraction, 1.0f, 5.0f);
else
{
has_changed |= ImGui::SliderFloat("Roughness", &mat.roughness, 0.0f, 1.0f);
has_changed |= ImGui::SliderFloat("Metallic", &mat.metallic, 0.0f, 1.0f);
}
has_changed |= ImGui::SliderInt("Type", &mat.type, 0, 1);
ImGui::PopID();