Added LerpQuat/SLerpQuat/Blend(Transform)

inc/hgl/math/Matrix.h

@@ -170,6 +170,16 @@ namespace hgl
         axis=glm::axis(quat);
     }
 
+    inline Quatf LerpQuat(const Quatf &from,const Quatf &to,const float t)
+    {
+        return glm::lerp(from,to,t);
+    }
+
+    inline Quatf SLerpQuat(const Quatf &from,const Quatf &to,const float t)
+    {
+        return glm::slerp(from,to,t);
+    }
+    
     inline Vector3f TransformPosition(const Matrix4f &m,const Vector3f &v)
     {
         return Vector3f(m*Vector4f(v,1.0f));
@@ -393,5 +403,7 @@ namespace hgl
     };//Transform
 
     constexpr const size_t TransformMatrix4fLength=sizeof(Transform);
+
+    Transform Blend(const Transform &from,const Transform &to,const float t);
 }//namespace hgl
 #endif//HGL_ALGORITHM_MATH_VECTOR_MATRIX_INCLUDE

src/Math/Matrix4f.cpp

@@ -1,4 +1,4 @@
-#include<hgl/math/Matrix.h>
+#include<hgl/math/Matrix.h>
 
 // Vulkan Cookbook
 // ISBN: 9781786468154
@@ -167,4 +167,15 @@ namespace hgl
 
         return true;
     }
+
+    Transform Blend(const Transform &from,const Transform &to,const float t)
+    {
+        Transform result;
+
+        result.SetTranslation(  from.GetTranslation()*(1.0f-t) + to.GetTranslation()  *t);
+        result.SetRotation(     SLerpQuat(from.GetRotationQuat(),to.GetRotationQuat(),t));
+        result.SetScale(        from.GetScale()      *(1.0f-t) + to.GetScale()       *t);
+
+        return result;
+    }
 }//namespace hgl