skeletal lib

CMakeLists.txt

@@ -0,0 +1,21 @@
+cmake_minimum_required(VERSION 3.5)
+
+project(skeletallib)
+
+# Find source files
+file(GLOB SOURCES src/*.cpp)
+
+FIND_PACKAGE(OpenGL)
+# Include header files
+include_directories(include)
+
+# Create shared library
+add_library(${PROJECT_NAME} STATIC ${SOURCES})
+LINK_DIRECTORIES(${PROJECT_NAME}/lib/*.lib)
+TARGET_LINK_LIBRARIES(skeletallib ../lib/SOIL ../lib/assimp-vc142-mtd opengl32 ../lib/glfw3dll ../lib/glew32)
+# Install library
+install(TARGETS ${PROJECT_NAME} DESTINATION lib/${PROJECT_NAME})
+
+# Install library headers
+file(GLOB HEADERS include/*.h)
+install(FILES ${HEADERS} DESTINATION include/${PROJECT_NAME})

include/Animation.h

@@ -0,0 +1,36 @@
+#pragma once
+
+#include <iostream>
+#include <string>
+#include <algorithm>
+
+//define GLEW_STATIC
+#include <GL/glew.h>
+#include <GLFW/glfw3.h>
+#include <glm/glm.hpp>
+
+using namespace std;
+using namespace glm;
+
+class Animation
+{
+public:
+    string name; //name of the animation
+
+    float startTime; //start time of the animation
+    float endTime; //end time of the animation
+    float speed; //speed of the animation
+    int priority; //priority of the animation
+    bool loop; //is this animation looped
+
+    Animation();
+    Animation(string name, vec2 times, float speed = 0.25, int priority = 10, bool loop = false);
+
+    void setName(string name);
+    void setTime(vec2 frames);
+    void setSpeed(float speed);
+    void setPriority(int priority);
+    void setLoop(bool loop);
+
+    ~Animation();
+};

include/Bone.h

@@ -0,0 +1,55 @@
+#pragma once
+
+#include <iostream>
+#include <vector>
+#include <string>
+#include <algorithm>
+
+//#define GLEW_STATIC
+#include <GL/glew.h>
+#include <GLFW/glfw3.h>
+#include <glm/glm.hpp>
+#include <glm/gtc/matrix_transform.hpp>
+#include <glm/gtx/transform.hpp>
+#include <glm/gtc/type_ptr.hpp>
+
+#include <assimp/Importer.hpp>
+#include <assimp/scene.h>
+#include <assimp/postprocess.h>
+
+using namespace std;
+using namespace glm;
+using namespace Assimp;
+
+class Bone
+{
+public:
+    string name; //the name of the bone
+    int id; //bones id in the model
+
+    aiNode* node; //the node this bone is attached to
+    aiNodeAnim* nodeAnim; //this bone animation node
+
+    Bone* parentBone; //parent bone
+    mat4 offset; //offset matrix
+
+    //keyframe data. This data is calculated in a particular period of time
+    vec3 pos;
+    quat rot;
+    vec3 scal;
+
+
+    Bone(int id, string name, mat4& offset);
+
+    mat4 getParentTransforms(); //calculates the whole transformation matrix starting with the root bone 
+
+    vec3 calcInterpolatedPosition(float time); //calculates interpolated position between two keyframes
+    quat calcInterpolatedRotation(float time); //calculates interpolated rotation between two keyframes
+
+    int findPosition(float time); //finds the index of the keyframe with the value less then time
+    int findRotation(float time); //same as above
+
+    void updateKeyframeTransform(float time); //updates this bone transformation matrix
+
+    ~Bone();
+};