removed Transform class. improved TransformBase/VersionData

2024-08-25 04:03:05 +08:00
parent cddc558153
commit 529ad6b403
3 changed files with 134 additions and 434 deletions
--- a/src/Math/Transform.cpp
+++ b/src/Math/Transform.cpp
@@ -2,131 +2,5 @@

 namespace hgl
 {
-    Transform Lerp(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;
-    }
-    
-    void Transform::UpdateQuat()
-    {
-        if(IsNearlyZero(rotate_angle))
-        {
-            if(is_zero_rotate)
-                return;
-
-            is_zero_rotate=true;
-            rotation_quat=IdentityQuatf;
-            return;
-        }
-        else
-        {
-            is_zero_rotate=false;
-            rotation_quat=RotationQuat(rotate_angle,rotation_axis);
-        }
-
-        matrix_dirty=true;
-    }
-
-    void Transform::UpdateMatrix()
-    {
-        if(!matrix_dirty)
-            return;
-
-        if(translation_vector==ZeroVector3f
-            &&rotation_quat==IdentityQuatf
-            &&scale_vector==OneVector3f)
-        {
-            if(is_identity)     //如果之前就是空的，那不更新版本号
-            {
-                matrix_dirty=false;
-                return;
-            }
-
-            SetToIdentity();
-        }
-        else
-        {
-            matrix=translate(translation_vector)*ToMatrix(rotation_quat)*scale(scale_vector);
-            inverse_matrix=inverse(matrix);
-            transpose_inverse_matrix=transpose(inverse_matrix);
-
-            is_identity=false;
-        }
-
-        matrix_dirty=false;
-
-        UpdateVersion();
-    }
-    
-    void Transform::SetToIdentity()
-    {
-        is_identity=true;
-        is_zero_rotate=true;
-
-        matrix=Identity4f;
-        inverse_matrix=Identity4f;
-
-        matrix_dirty=false;
-
-        translation_vector=ZeroVector3f;
-        rotation_quat=IdentityQuatf;
-        rotation_axis=ZeroVector3f;
-        rotate_angle=0;
-        scale_vector=OneVector3f;
-    }
-    
-    const bool Transform::operator == (const Transform &t)
-    {
-        if(is_identity)
-        {
-            if(t.is_identity)
-                return(true);
-            else
-                return(false);
-        }
-        else
-        {
-            if(t.is_identity)
-                return(false);
-        }
-
-        if(translation_vector!=t.translation_vector)return(false);
-        if(rotation_quat!=t.rotation_quat)return(false);
-        if(scale_vector!=t.scale_vector)return(false);
-
-        return(true);
-    }
-
-    void Transform::SetFromMatrix4f(const Matrix4f &m)
-    {
-        if(is_identity)
-        {
-            if(IsIdentityMatrix(m))
-                return;
-        }
-
-        is_identity=IsIdentityMatrix(m);
-
-        if(is_identity)
-        {
-            SetToIdentity();
-            UpdateVersion();
-            return;
-        }
-
-        matrix=m;
-        inverse_matrix=inverse(m);
-
-        matrix_dirty=false;
-
-        DecomposeTransform(m,translation_vector,rotation_quat,scale_vector);
-
-        ExtractedQuat(rotation_quat,rotation_axis,rotate_angle);
-    }
 }//namespace hgl