bone.hpp

Go to the documentation of this file.

#pragma once
 
/* Container for bone data */
 
#include <vector>
#include <assimp/scene.h>
#include <list>
#include <glm/glm.hpp>
 
#define GLM_ENABLE_EXPERIMENTAL
#include <glm/gtx/quaternion.hpp>
#include "client/util.hpp"
 
struct keyPosition
{
    glm::vec3 position;
    float timeStamp;
};
 
struct keyRotation
{
    glm::quat orientation;
    float timeStamp;
};
 
struct keyScale
{
    glm::vec3 scale;
    float timeStamp;
};
 
class Bone
{
public:
    Bone(const std::string& name, int ID, const aiNodeAnim* channel);
    
    void update(float animationTime);
 
    glm::mat4 getLocalTransform() { return m_localTransform; }
    std::string getBoneName() const { return m_name; }
    int getBoneID() { return m_ID; }
    
    int getPositionIndex(float animationTime);
 
    int getRotationIndex(float animationTime);
 
    int getScaleIndex(float animationTime);
 
private:
 
    float getScaleFactor(float lastTimeStamp, float nextTimeStamp, float animationTime);
 
    glm::mat4 interpolatePosition(float animationTime);
 
    glm::mat4 interpolateRotation(float animationTime);
 
    glm::mat4 interpolateScaling(float animationTime);
 
    std::vector<keyPosition> m_positions;
    std::vector<keyRotation> m_rotations;
    std::vector<keyScale> m_scales;
    int m_numPositions;
    int m_numRotations;
    int m_numScalings;
 
    glm::mat4 m_localTransform;
    std::string m_name;
    int m_ID;
};