ShadowVolume: Well, it's a beginning...

1 files changed, 51 insertions, 0 deletions

diff --git a/src/ShadowVolume.h b/src/ShadowVolume.h
new file mode 100644
index 0000000..e33e19c
--- /dev/null
+++ b/src/ShadowVolume.h
@@ -0,0 +1,51 @@
+/*
+ * ShadowVolume.h
+ *
+ * Copyright (C) 2009 Matthias Schiffer <matthias@gamezock.de>
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef ZOOM_SHADOWVOLUME_H_
+#define ZOOM_SHADOWVOLUME_H_
+
+#include <vmmlib/vector.hpp>
+
+namespace Zoom {
+
+class Triangle;
+
+class ShadowVolume {
+  public:
+    ShadowVolume(const Triangle &t, const vmml::vec3f &lightPos);
+    virtual ~ShadowVolume() {}
+
+    const vmml::vec3f& getVertex(int i) {
+      return rays[i].p;
+    }
+
+    const vmml::vec3f& getDirection(int i) {
+      return rays[i].dir;
+    }
+
+  private:
+    struct Ray {
+        vmml::vec3f p;
+        vmml::vec3f dir;
+    } rays[3];
+};
+
+}
+
+#endif /* ZOOM_SHADOWVOLUME_H_ */