From 09c233e4f4af81981d72f10691153d318c83c9fd Mon Sep 17 00:00:00 2001
From: Keuin <keuinx@gmail.com>
Date: Fri, 15 Apr 2022 14:08:31 +0800
Subject: Rename material.cpp -> material_diffusive.cpp.

---
 material.cpp | 76 ------------------------------------------------------------
 1 file changed, 76 deletions(-)
 delete mode 100644 material.cpp

(limited to 'material.cpp')

diff --git a/material.cpp b/material.cpp
deleted file mode 100644
index b312246..0000000
--- a/material.cpp
+++ /dev/null
@@ -1,76 +0,0 @@
-//
-// Created by Keuin on 2022/4/15.
-//
-
-#include "material.h"
-
-
-bool material_diffuse_lambertian::scatter(ray3d &r, const object &hit_obj, double hit_t, random_uv_gen_3d &ruvg) const {
-    const auto hit_point = r.at(hit_t); // hit point, on the surface
-    auto nv = hit_obj.normal_vector(hit_point);
-    if (dot(nv, r.direction()) > 0) return false; // discard rays from inner (or invert nv)
-    auto d = nv + ruvg.normalized();
-    if (d.is_zero()) d = nv;
-    vec3d diffuse_target = hit_point + d;
-    r.decay(albedo); // lose some light when diffused
-    r.source(hit_point);
-    r.direction((diffuse_target - hit_point).unit_vec()); // the new diffused ray we trace on
-    return true;
-}
-
-material_diffuse_lambertian::material_diffuse_lambertian(vec3d albedo) : albedo(albedo) {
-    assert(albedo.mod2() >= 0);
-    assert(albedo.mod2() <= 1);
-}
-
-material_diffuse_lambertian::material_diffuse_lambertian(double albedo) : albedo{albedo, albedo, albedo} {
-    assert(albedo >= 0);
-    assert(albedo <= 1);
-}
-
-material_diffuse_simple::material_diffuse_simple(vec3d albedo) : albedo(albedo) {
-    assert(albedo.mod2() >= 0);
-    assert(albedo.mod2() <= 1);
-}
-
-bool material_diffuse_simple::scatter(ray3d &r, const object &hit_obj, double hit_t, random_uv_gen_3d &ruvg) const {
-    const auto hit_point = r.at(hit_t); // hit point, on the surface
-    auto nv = hit_obj.normal_vector(hit_point);
-    if (dot(nv, r.direction()) > 0) return false; // discard rays from inner (or invert nv)
-    auto d = nv + ruvg.normalized();
-    if (d.is_zero()) d = nv;
-    vec3d diffuse_target = hit_point + nv + ruvg.range01();
-    r.decay(albedo); // lose some light when diffused
-    r.source(hit_point);
-    r.direction((diffuse_target - hit_point).unit_vec()); // the new diffused ray we trace on
-    return true;
-}
-
-material_diffuse_simple::material_diffuse_simple(double albedo) : albedo{albedo, albedo, albedo} {
-    assert(albedo >= 0);
-    assert(albedo <= 1);
-}
-
-material_diffuse_hemispherical::material_diffuse_hemispherical(vec3d albedo) : albedo(albedo) {
-    assert(albedo.mod2() >= 0);
-    assert(albedo.mod2() <= 1);
-}
-
-bool
-material_diffuse_hemispherical::scatter(ray3d &r, const object &hit_obj, double hit_t, random_uv_gen_3d &ruvg) const {
-    const auto hit_point = r.at(hit_t); // hit point, on the surface
-    auto nv = hit_obj.normal_vector(hit_point);
-    if (dot(nv, r.direction()) > 0) return false; // discard rays from inner (or invert nv)
-    auto d = nv + ruvg.normalized();
-    if (d.is_zero()) d = nv;
-    vec3d diffuse_target = hit_point + ruvg.hemisphere(nv);
-    r.decay(albedo); // lose some light when diffused
-    r.source(hit_point);
-    r.direction((diffuse_target - hit_point).unit_vec()); // the new diffused ray we trace on
-    return true;
-}
-
-material_diffuse_hemispherical::material_diffuse_hemispherical(double albedo) : albedo{albedo, albedo, albedo} {
-    assert(albedo >= 0);
-    assert(albedo <= 1);
-}
-- 
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