the whole game

src/util/SmoothFloat.h

@@ -0,0 +1,37 @@
+#ifndef UTIL__SmoothFloat_H__
+#define UTIL__SmoothFloat_H__
+
+//package util;
+
+class SmoothFloat
+{
+    float targetValue;
+    float remainingValue;
+    float lastAmount;
+
+public:
+	SmoothFloat()
+	:	targetValue(0),
+		remainingValue(0),
+		lastAmount(0)
+	{}
+
+    float getNewDeltaValue(float deltaValue, float accelerationAmount) {
+        targetValue += deltaValue;
+
+        deltaValue = (targetValue - remainingValue) * accelerationAmount;
+        lastAmount = lastAmount + (deltaValue - lastAmount) * .5f;
+        if ((deltaValue > 0 && deltaValue > lastAmount) || (deltaValue < 0 && deltaValue < lastAmount)) {
+            deltaValue = lastAmount;
+        }
+        remainingValue += deltaValue;
+
+        return deltaValue;
+    }
+
+    float getTargetValue() {
+        return targetValue;
+    }
+};
+
+#endif /*UTIL__SmoothFloat_H__*/