ULRE/example/Gizmo/Gizmo3DMove.cpp

/*
 Gizmo move

 ref: Blender 4

 
        0                 9-10 
        *----------------->>>>
        |
        |
        |         5+
        |         +6
        |
        |
        v

        假设轴尺寸为10
        箭头长度为2，直径为2
        双轴调节正方形，长宽为1，位置为5,5

        中心球半径为1
*/

#include"GizmoResource.h"
#include<hgl/graph/VKRenderResource.h>
#include<hgl/graph/InlineGeometry.h>

VK_NAMESPACE_BEGIN

namespace
{
    static StaticMesh *sm_gizmo_move=nullptr;

    bool InitGizmoMoveStaticMesh()
    {
        Renderable *sphere=GetGizmoRenderable(GizmoShape::Sphere,GizmoColor::White);
        Renderable *cylinder[3]
        {
            GetGizmoRenderable(GizmoShape::Cylinder,GizmoColor::Red),
            GetGizmoRenderable(GizmoShape::Cylinder,GizmoColor::Green),
            GetGizmoRenderable(GizmoShape::Cylinder,GizmoColor::Blue),
        };

        Renderable *cone[3]
        {
            GetGizmoRenderable(GizmoShape::Cone,GizmoColor::Red),
            GetGizmoRenderable(GizmoShape::Cone,GizmoColor::Green),
            GetGizmoRenderable(GizmoShape::Cone,GizmoColor::Blue),
        };

        if(!sphere)
            return(false);

        for(int i=0;i<3;i++)
        {
            if(!cylinder[i])
                return(false);

            if(!cone[i])
                return(false);
        }

        {
            SceneNode *root_node=new SceneNode(scale(1),sphere);

            root_node->CreateSubNode(scale(9,1,1),cylinder[0]);

            {
                TransformMatrix4f tm;

                tm.SetTranslation(Vector3f(0,0,4.5f));
                root_node->CreateSubNode(tm.GetMatrix(),cylinder[2]);       //Z 向上

                tm.SetRotation(Vector3f(0,0,1),90);
                tm.SetTranslation(Vector3f(4.5f,0,0));

                root_node->CreateSubNode(tm.GetMatrix(),cylinder[0]);       //X 向右

                tm.SetRotation(Vector3f(1,0,0),90);
                tm.SetTranslation(Vector3f(0,4.5f,0));
                
                root_node->CreateSubNode(tm.GetMatrix(),cylinder[1]);       //Y 向前
            }
        
            sm_gizmo_move=CreateGizmoStaticMesh(root_node);
        }

        if(!sm_gizmo_move)
            return(false);

        return(true);
    }
}//namespace

VK_NAMESPACE_END