World is on the verge of working!

2020-02-20 01:41:53 +00:00
parent be6b472472
commit 999419dfe1
6 changed files with 170 additions and 0 deletions
--- a/source/intersection.cpp
+++ b/source/intersection.cpp
@@ -0,0 +1,32 @@
+/*
+ *  DoRayMe - a quick and dirty Raytracer
+ *  Intersection implementation
+ *
+ *  Created by Manoël Trapier
+ *  Copyright (c) 2020 986-Studio.
+ *
+ */
+#include <intersection.h>
+#include <shape.h>
+
+Computation Intersection::prepareComputation(Ray r)
+{
+    Tuple hitP = r.position(this->t);
+    Tuple normalV = this->object->normalAt(hitP);
+    Tuple eyeV = -r.direction;
+    bool inside;
+
+    if (normalV.dot(eyeV) < 0)
+    {
+        inside = true;
+        normalV = -normalV;
+    }
+
+
+    return Computation(this->object,
+                       this->t,
+                       hitP,
+                       eyeV,
+                       normalV,
+                       inside);
+}