Move diffusive into material_diffusive. Add material_reflective.h.

1 files changed, 17 insertions, 0 deletions

diff --git a/material_reflective.cpp b/material_reflective.cpp
new file mode 100644
index 0000000..dc38baf
--- /dev/null
+++ b/material_reflective.cpp
@@ -0,0 +1,17 @@
+//
+// Created by Keuin on 2022/4/15.
+//
+
+#include "vec.h"
+#include "material.h"
+#include "material_reflective.h"
+
+bool material_reflective::scatter(ray3d &r, const object &hit_obj, double hit_t, random_uv_gen_3d &ruvg) const {
+    const auto hit_point = r.at(hit_t);
+    const auto nv = hit_obj.normal_vector(hit_point);
+    const auto reflected = nv.reflect(r.direction());
+    r.source(hit_point);
+    r.direction(reflected);
+    r.decay(albedo);
+    return dot(reflected, nv) > 0;
+}