lenn/LearnOpenGL
1
0
Fork 0
mirror of https://github.com/JoeyDeVries/LearnOpenGL.git synced 2026-01-02 04:37:54 +08:00
Code Issues Packages Projects Releases Wiki Activity

Another source code update on skeletal animation article.

Browse Source
This commit is contained in:
Joey de Vries
2021-09-10 17:09:29 +02:00
parent a051a65d80
commit 6f03f5a959
2 changed files with 20 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
includes/learnopengl/mesh.h
View File

@@ -12,6 +12,8 @@
#include <vector>
using namespace std;
#define MAX_BONE_INFLUENCE 4
struct Vertex {
// position
glm::vec3 Position;
@@ -23,6 +25,10 @@ struct Vertex {
glm::vec3 Tangent;
// bitangent
glm::vec3 Bitangent;
//bone indexes which will influence this vertex
int m_BoneIDs[MAX_BONE_INFLUENCE];
//weights from each bone
float m_Weights[MAX_BONE_INFLUENCE];
};
struct Texture {
@@ -127,7 +133,13 @@ private:
// vertex bitangent
glEnableVertexAttribArray(4);
glVertexAttribPointer(4, 3, GL_FLOAT, GL_FALSE, sizeof(Vertex), (void*)offsetof(Vertex, Bitangent));
// ids
glEnableVertexAttribArray(5);
glVertexAttribIPointer(5, 4, GL_INT, sizeof(Vertex), (void*)offsetof(Vertex, m_BoneIDs));
// weights
glEnableVertexAttribArray(6);
glVertexAttribPointer(6, 4, GL_FLOAT, GL_FALSE, sizeof(Vertex), (void*)offsetof(Vertex, m_Weights));
glBindVertexArray(0);
}
};

16
includes/learnopengl/model_animation.h
View File

@@ -48,14 +48,14 @@ public:
meshes[i].Draw(shader);
}
auto& GetOffsetMatMap() { return m_OffsetMatMap; }
int& GetBoneCount() { return m_BoneCount; }
auto& GetBoneInfoMap() { return m_BoneInfoMap; }
int& GetBoneCount() { return m_BoneCounter; }
private:
std::map<string, BoneInfo> m_OffsetMatMap;
int m_BoneCount = 0;
std::map<string, BoneInfo> m_BoneInfoMap;
int m_BoneCounter = 0;
// loads a model with supported ASSIMP extensions from file and stores the resulting meshes in the meshes vector.
void loadModel(string const &path)
@@ -97,7 +97,7 @@ private:
void SetVertexBoneDataToDefault(Vertex& vertex)
{
for (int i = 0; i < MAX_BONE_WEIGHTS; i++)
for (int i = 0; i < MAX_BONE_INFLUENCE; i++)
{
vertex.m_BoneIDs[i] = -1;
vertex.m_Weights[i] = 0.0f;
@@ -154,7 +154,7 @@ private:
void SetVertexBoneData(Vertex& vertex, int boneID, float weight)
{
for (int i = 0; i < MAX_BONE_WEIGHTS; ++i)
for (int i = 0; i < MAX_BONE_INFLUENCE; ++i)
{
if (vertex.m_BoneIDs[i] < 0)
{
@@ -168,8 +168,8 @@ private:
void ExtractBoneWeightForVertices(std::vector<Vertex>& vertices, aiMesh* mesh, const aiScene* scene)
{
auto& boneInfoMap = m_OffsetMatMap;
int& boneCount = m_BoneCount;
auto& boneInfoMap = m_BoneInfoMap;
int& boneCount = m_BoneCounter;
for (int boneIndex = 0; boneIndex < mesh->mNumBones; ++boneIndex)
{