first drivers variant

remade shape keys
separated keyframe channels

keyframeChannel.cpp

@@ -0,0 +1,33 @@
+#include "keyframeChannel.h"
+
+namespace vb01{
+	float KeyframeChannel::interpolate(float pastValue, float nextValue, Keyframe::Interpolation mode, float ratio){
+		float currentValue;
+		switch(mode){
+			case Keyframe::CONSTANT:
+				currentValue = pastValue;
+				break;
+			case Keyframe::LINEAR:
+				currentValue = pastValue + (nextValue - pastValue) * ratio;
+				break;
+			case Keyframe::BEZIER:
+				currentValue = pastValue + (nextValue - pastValue) * ratio;
+				break;
+		}
+		return currentValue;
+	}
+
+	Keyframe KeyframeChannel::findKeyframe(float time, KeyframeChannel keyframeChannel, bool last){
+		int pastKeyframeId = -1;
+		for(int i = 0; i < keyframeChannel.keyframes.size(); i++){
+			Keyframe keyframe = keyframeChannel.keyframes[i];
+			if(time >= keyframe.frame){
+				pastKeyframeId = i;
+			}
+		}
+		return keyframeChannel.keyframes[pastKeyframeId + (last ? 0 : 1)];
+	}
+
+	void KeyframeChannel::transform(){
+	}
+}