Add PointLight in lightPoint.cc

src/SConscript

@@ -21,6 +21,7 @@ files = [
     'basics.cc',
     'camera.cc',
     'light.cc',
+    'lightPoint.cc',
     'log.cc',
     'material.cc',
     'object.cc',

src/lightPoint.cc

@@ -0,0 +1,35 @@
+/* lightPoint.cc
+ * vim: set tw=80:
+ * Eryn Wells <eryn@erynwells.me>
+ */
+
+#include "lightPoint.hh"
+
+
+using charles::basics::Vector4;
+
+
+namespace charles {
+
+PointLight::PointLight(const Vector4& origin,
+                       const Color& color)
+    : Light(color),
+      mOrigin(origin)
+{ }
+
+
+Vector4
+PointLight::GetOrigin()
+{
+    return mOrigin;
+}
+
+
+void
+PointLight::SetOrigin(const Vector4& origin)
+{
+    mOrigin = origin;
+}
+
+} /* namespace charles */
+

src/lightPoint.hh

@@ -0,0 +1,34 @@
+/* lightPoint.hh
+ * vim: set tw=80:
+ * Eryn Wells <eryn@erynwells.me>
+ */
+
+#ifndef __LIGHTPOINT_HH__
+#define __LIGHTPOINT_HH__
+
+#include "light.hh"
+
+
+namespace charles {
+
+/**
+ * The simplest light source. Emits light in all directions uniformly, without
+ * falloff.
+ */
+class PointLight
+    : public Light
+{
+public:
+    PointLight(const basics::Vector4 &origin,
+               const basics::Color& color);
+
+    basics::Vector4& GetOrigin();
+    void SetOrigin(const basics::Vector4& origin);
+
+private:
+    basics::Vector4 mOrigin;
+};
+
+} /* namespace charles */
+
+#endif /* __LIGHTPOINT_HH__ */