Add dielectric material. (glass ball)

1 files changed, 18 insertions, 0 deletions

diff --git a/material_dielectric.h b/material_dielectric.h
new file mode 100644
index 0000000..48382b4
--- /dev/null
+++ b/material_dielectric.h
@@ -0,0 +1,18 @@
+//
+// Created by Keuin on 2022/4/15.
+//
+
+#ifndef RT_MATERIAL_DIELECTRIC_H
+#define RT_MATERIAL_DIELECTRIC_H
+
+#include "vec.h"
+#include "material.h"
+
+class material_dielectric : public material {
+    double ri_inv;
+public:
+    explicit material_dielectric(double ri) : ri_inv{1.0 / ri} {}
+    bool scatter(ray3d &r, const object &hit_obj, double hit_t, random_uv_gen_3d &ruvg) const override;
+};
+
+#endif //RT_MATERIAL_DIELECTRIC_H