primary, secondary, tertiary color rendering

1 files changed, 16 insertions, 1 deletions

diff --git a/src/math/color.h b/src/math/color.h
index 4f3df16..c938708 100644
--- a/src/math/color.h
+++ b/src/math/color.h
@@ -49,7 +49,22 @@ public:
 	/// multiply rgb values with scalar value.
 	Color & operator*=(const float scalar);
 
-	inline float operator[](size_t index) const { return rgba_data[index]; }
+		/// assign a value to an element of this color
+	/*! WARNING: range is not checked
+	 *  @param index the index of the element to assign to ( 0 <= index < 4 )
+	*/
+	inline float& operator[](const size_t index) {
+		return rgba_data[index];
+	}
+
+	/// returns the value of an element of this color
+	/*! WARNING: range is not checked
+	 *  @param index the index of the element to return ( 0 <= index < 4 )
+	 */
+	inline float operator[](const size_t index) const {
+		return rgba_data[index];
+	}
+
 
 	/// pointer to the internal data
 	inline float *ptr() const { return (float *) rgba_data; };