first drivers variant

remade shape keys
separated keyframe channels

driver.cpp

@@ -0,0 +1,25 @@
+#include "driver.h"
+#include "animatable.h"
+
+#include <algorithm>
+
+using namespace std;
+
+namespace vb01{
+	Driver::Driver(){}
+
+	void Driver::drive(float driverValue){
+		Keyframe pastKeyframe = KeyframeChannel::findKeyframe(driverValue, keyframeChannel, true);
+		Keyframe nextKeyframe = KeyframeChannel::findKeyframe(driverValue, keyframeChannel, false);
+		float pastFrame = pastKeyframe.frame;
+		float nextFrame = nextKeyframe.frame;
+
+		float ratio = (float)(driverValue - pastFrame) / (nextFrame - pastFrame);
+		if(ratio < 0)
+			ratio = 0;
+
+		Keyframe::Interpolation interp = pastKeyframe.interpolation;
+		float value = KeyframeChannel::interpolate(pastKeyframe.value, nextKeyframe.value, interp, ratio);
+		target->animate(value, keyframeChannel);
+	}
+}