Updated source code files of skeletal animation guest article.

includes/learnopengl/animation.h

@@ -33,7 +33,7 @@ public:
 		aiMatrix4x4 globalTransformation = scene->mRootNode->mTransformation;
 		globalTransformation = globalTransformation.Inverse();
 		ReadHeirarchyData(m_RootNode, scene->mRootNode);
-		SetupBones(animation, *model);
+		ReadMissingBones(animation, *model);
 	}
 
 	~Animation()
@@ -62,13 +62,14 @@ public:
 	}
 
 private:
-	void SetupBones(const aiAnimation* animation, Model& model)
+	void ReadMissingBones(const aiAnimation* animation, Model& model)
 	{
 		int size = animation->mNumChannels;
 
-		auto& boneInfoMap = model.GetOffsetMatMap();
-		int& boneCount = model.GetBoneCount();
+		auto& boneInfoMap = model.GetBoneInfoMap();//getting m_BoneInfoMap from Model class
+		int& boneCount = model.GetBoneCount(); //getting the m_BoneCounter from Model class
 
+		//reading channels(bones engaged in an animation and their keyframes)
 		for (int i = 0; i < size; i++)
 		{
 			auto channel = animation->mChannels[i];

includes/learnopengl/animator.h

@@ -9,15 +9,17 @@
 #include <learnopengl/bone.h>
 
 class Animator
-{	
+{
 public:
-	Animator::Animator(Animation* current)
+	Animator::Animator(Animation* animation)
 	{
-		m_CurrentAnimation = current;
 		m_CurrentTime = 0.0;
-		m_Transforms.reserve(100);
+		m_CurrentAnimation = animation;
+
+		m_FinalBoneMatrices.reserve(100);
+
 		for (int i = 0; i < 100; i++)
-			m_Transforms.push_back(glm::mat4(1.0f));
+			m_FinalBoneMatrices.push_back(glm::mat4(1.0f));
 	}
 
 	void Animator::UpdateAnimation(float dt)
@@ -57,22 +59,22 @@ public:
 		{
 			int index = boneInfoMap[nodeName].id;
 			glm::mat4 offset = boneInfoMap[nodeName].offset;
-			m_Transforms[index] = globalTransformation * offset;
+			m_FinalBoneMatrices[index] = globalTransformation * offset;
 		}
 
 		for (int i = 0; i < node->childrenCount; i++)
 			CalculateBoneTransform(&node->children[i], globalTransformation);
 	}
 
-	std::vector<glm::mat4> GetPoseTransforms() 
-	{ 
-		return m_Transforms;  
+	std::vector<glm::mat4> GetFinalBoneMatrices()
+	{
+		return m_FinalBoneMatrices;
 	}
-	
+
 private:
-	std::vector<glm::mat4> m_Transforms;
+	std::vector<glm::mat4> m_FinalBoneMatrices;
 	Animation* m_CurrentAnimation;
 	float m_CurrentTime;
 	float m_DeltaTime;
-	
+
 };

includes/learnopengl/animdata.h

@@ -1,18 +1,13 @@
 #pragma once
 
-#include <glm/glm.hpp>
+#include<glm/glm.hpp>
 
 struct BoneInfo
 {
-	/*
-		For uniquely indentifying the bone and
-		for indexing bone transformation in shaders
-	*/
+	/*id is index in finalBoneMatrices*/
 	int id;
-	/*
-		map from bone name to offset matrix.
-		offset matrix transforms bone from bone space to local space
-	*/
+
+	/*offset matrix transforms vertex from model space to bone space*/
 	glm::mat4 offset;
 
 };