*去掉文件前缀je_

1 files changed, 57 insertions, 0 deletions

diff --git a/src/libjin/math/ranged_value.h b/src/libjin/math/ranged_value.h
new file mode 100644
index 0000000..5a4c35d
--- /dev/null
+++ b/src/libjin/math/ranged_value.h
@@ -0,0 +1,57 @@
+#ifndef __JE_RANGED_VALUE_H__
+#define __JE_RANGED_VALUE_H__
+
+#include "../common/types.h"
+
+#include <vector>
+
+namespace JinEngine
+{
+    namespace Math
+    {
+        /*
+         * y ^
+         *   |--------     _
+         *   |        \   / \
+         *   |         ---   \
+         *   |                \
+         *   |                 \
+         *   +----------------------> x
+        */
+        class RangedValue
+        {
+        public:
+            RangedValue();
+
+            ///
+            /// Points of ranged value.
+            /// 
+            /// @param points Points.
+            /// @param n Number of points.
+            ///
+            RangedValue(float* points, uint n);
+
+            virtual ~RangedValue() {}
+
+            virtual void addPoint(float x, float y);
+
+            virtual void removePoint(uint i);
+
+            virtual void insertPoint(uint i, float x, float y);
+
+            virtual float getValue(float x);
+
+            virtual void clear();
+
+        private:
+            std::vector<float> mXAxis;
+            std::vector<float> mYAxis;
+
+            uint mCount;
+
+        };
+
+    }
+}
+
+#endif
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