1 files changed, 49 insertions, 0 deletions
diff --git a/hw3/src/linear_intersector.cpp b/hw3/src/linear_intersector.cpp
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+++ b/hw3/src/linear_intersector.cpp
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+/******************************************************************/
+/* This file is part of the homework assignments for CSCI-427/527 */
+/* at The College of William & Mary and authored by Pieter Peers. */
+/* No part of this file, whether altered or in original form, can */
+/* be distributed or used outside the context of CSCI-427/527     */
+/* without consent of either the College of William & Mary or     */
+/* Pieter Peers.                                                  */
+/******************************************************************/
+#include "linear_intersector.h"
+
+//////////////////
+// Constructors //
+//////////////////
+linear_intersector::linear_intersector(void)
+  : intersector_base()
+{
+  // Do nothing
+}
+
+
+linear_intersector::linear_intersector(const std::vector<std::shared_ptr<const boundedPrimitive>>& compounds)
+  : intersector_base()
+{
+  _compounds = compounds;
+}
+
+
+/////////////
+// Methods //
+/////////////
+intersectionPoint linear_intersector::intersect(const ray& r) const
+{
+  // HW3: Implement this.
+  //      Returns the nearest intersections point of the ray 'r' with the primitives in '_compounds'.
+  // Returns: intersection point
+  // Modifies: nothing
+  intersectionPoint ip, current;
+
+  for (auto itr = _compounds.begin(); itr != _compounds.end(); itr++) {
+
+    if ((*itr)->hasShader()) {
+      current = (*itr)->intersect(r);
+      if (current < ip) { ip = current; }
+    }
+
+  }
+
+  return ip;
+}