调整好坐标轴方向以及裁剪面，并增加最简易坐标轴绘制范例

example/Gizmo/SimplestAxis.cpp

@@ -0,0 +1,100 @@
+// SimplestAxis
+// 直接从0,0,0向三个方向画一条直线，用于确认坐标轴方向
+
+#include<hgl/WorkManager.h>
+#include<hgl/filesystem/FileSystem.h>
+#include<hgl/graph/InlineGeometry.h>
+#include<hgl/graph/VKRenderResource.h>
+#include<hgl/graph/RenderList.h>
+#include<hgl/graph/Camera.h>
+#include<hgl/graph/mtl/Material3DCreateConfig.h>
+#include<hgl/graph/VKVertexInputConfig.h>
+#include<hgl/graph/FirstPersonCameraControl.h>
+#include<hgl/color/Color.h>
+#include<hgl/component/MeshComponent.h>
+
+using namespace hgl;
+using namespace hgl::graph;
+
+class TestApp:public WorkObject
+{
+private:
+
+    Material *          material            =nullptr;
+    Pipeline *          pipeline            =nullptr;
+
+    Primitive *         prim_axis           =nullptr;
+    MaterialInstance *  material_instance   =nullptr;
+
+private:
+
+    bool InitMDP()
+    {
+        mtl::Material3DCreateConfig cfg(PrimitiveType::Lines);
+
+        cfg.local_to_world=true;
+
+        material_instance=CreateMaterialInstance(mtl::inline_material::VertexColor3D,&cfg);
+
+        pipeline=CreatePipeline(material_instance,InlinePipeline::Solid3D);
+
+        return pipeline;
+    }
+
+    bool CreateRenderObject()
+    {
+        using namespace inline_geometry;
+
+        auto pc=GetPrimitiveCreater(material_instance);
+
+        inline_geometry::AxisCreateInfo aci;
+
+        prim_axis=CreateAxis(pc,&aci);
+
+        return prim_axis;
+    }
+
+    bool InitScene()
+    {
+        Mesh *ri=db->CreateMesh(prim_axis,material_instance,pipeline);
+
+        CreateComponent<MeshComponent>(GetSceneRoot(),ri);
+
+        CameraControl *camera_control=GetCameraControl();
+
+        camera_control->SetPosition(Vector3f(32,32,32));
+        camera_control->SetTarget(Vector3f(0,0,0));
+
+//        camera_control->SetReserveDirection(true,true);        //反转x,y
+
+        return(true);
+    }
+
+public:
+
+    using WorkObject::WorkObject;
+
+    ~TestApp()
+    {
+        SAFE_CLEAR(prim_axis);
+    }
+
+    bool Init() override
+    {
+        if(!InitMDP())
+            return(false);
+
+        if(!CreateRenderObject())
+            return(false);
+
+        if(!InitScene())
+            return(false);
+
+        return(true);
+    }
+};//class TestApp:public CameraAppFramework
+
+int os_main(int,os_char **)
+{
+    return RunFramework<TestApp>(OS_TEXT("SimplestAxis"),1280,720);
+}