Init.HEADmaster

1 files changed, 67 insertions, 0 deletions

diff --git a/hw6/src/boundedTriangle.cpp b/hw6/src/boundedTriangle.cpp
new file mode 100644
index 0000000..1119796
--- /dev/null
+++ b/hw6/src/boundedTriangle.cpp
@@ -0,0 +1,67 @@
+/******************************************************************/
+/* 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 "boundedTriangle.h"
+
+
+//////////////////
+// Constructors //
+//////////////////
+boundedTriangle::boundedTriangle(void)
+  : boundedPrimitive()
+{
+  // Nothing
+}
+
+boundedTriangle::boundedTriangle(const triangle& tri, const std::shared_ptr<const shader_base>& shader)
+  : boundedPrimitive(tri.boundingbox(), shader)
+{
+  _triangle = tri;
+}
+
+
+/////////////
+// Methods //
+/////////////
+intersectionPoint boundedTriangle::intersect(const ray& r) const
+{
+  // intersect triangle
+  float t;
+  vec3d bc;
+  bool hit = _triangle.intersect(r, bc, t);
+
+  // empty ip if not hit
+  if(!hit) return intersectionPoint();
+
+  // if hit, create intersectionPoint record.
+  else return intersectionPoint(r, t, _shader, 
+				_triangle.normal(bc),
+				_triangle.shadingAxis(),
+				_triangle.textureCoordinate(bc));
+}
+
+
+float boundedTriangle::area(void) const
+{
+  return _triangle.area();
+}
+
+
+surfaceSample boundedTriangle::sample(float r1, float r2) const
+{
+  float pdf;
+  vec3d bc, position = _triangle.sample(r1, r2, bc, pdf);
+  return surfaceSample(position, _triangle.normal(bc), pdf);
+}
+
+
+void boundedTriangle::_print(std::ostream& s) const
+{
+  s << "boundedTriangle (" << _bb << ", " << _triangle << ")";
+}