143 lines
3.7 KiB
C++
143 lines
3.7 KiB
C++
#pragma once
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#include"VulkanAppFramework.h"
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using namespace hgl;
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using namespace hgl::graph;
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class ViewModelFramework:public VulkanApplicationFramework
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{
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private:
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vulkan::Buffer * ubo_world_matrix =nullptr;
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protected:
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AABB bounding_box;
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Matrix4f view_model_matrix;
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ControlCamera camera;
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float move_speed=1;
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Vector2f mouse_last_pos;
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protected:
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SceneNode render_root;
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RenderList render_list;
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public:
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virtual ~ViewModelFramework()=default;
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virtual bool Init(int w,int h,const AABB &aabb)
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{
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if(!VulkanApplicationFramework::Init(w,h))
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return(false);
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bounding_box=aabb;
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view_model_matrix=identity();
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InitCamera(w,h);
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return(true);
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}
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virtual void InitCamera(int w,int h)
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{
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math::vec center_point=bounding_box.CenterPoint();
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math::vec max_point=bounding_box.maxPoint;
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max_point.x*=5.0f;
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max_point.y=center_point.y;
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max_point.z=center_point.z;
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camera.type=CameraType::Perspective;
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camera.width=w;
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camera.height=h;
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camera.center=center_point;
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camera.eye=max_point;
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camera.Refresh(); //更新矩阵计算
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}
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bool InitCameraUBO(vulkan::DescriptorSets *desc_set,uint world_matrix_bindpoint)
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{
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ubo_world_matrix=db->CreateUBO(sizeof(WorldMatrix),&camera.matrix);
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if(!ubo_world_matrix)
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return(false);
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return desc_set->BindUBO(world_matrix_bindpoint,*ubo_world_matrix);
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}
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void Resize(int w,int h)override
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{
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camera.width=w;
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camera.height=h;
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}
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virtual void Draw()override
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{
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camera.Refresh(); //更新相机矩阵
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ubo_world_matrix->Write(&camera.matrix); //写入缓冲区
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render_root.RefreshMatrix(&view_model_matrix);
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render_list.Clear();
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render_root.ExpendToList(&render_list);
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BuildCommandBuffer(&render_list);
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VulkanApplicationFramework::Draw();
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if(key_status[kbW])camera.Forward (move_speed);else
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if(key_status[kbS])camera.Backward (move_speed);else
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if(key_status[kbA])camera.Left (move_speed);else
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if(key_status[kbD])camera.Right (move_speed);else
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if(key_status[kbR])camera.Up (move_speed);else
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if(key_status[kbF])camera.Down (move_speed);else
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if(key_status[kbLeft ])view_model_matrix=rotate(hgl_ang2rad(move_speed*10),camera.forward_vector)*view_model_matrix;else
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if(key_status[kbRight])view_model_matrix=rotate(hgl_ang2rad(-move_speed*10),camera.forward_vector)*view_model_matrix;else
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return;
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}
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virtual void KeyPress(KeyboardButton kb)override
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{
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if(kb==kbMinus)move_speed*=0.9f;else
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if(kb==kbEquals)move_speed*=1.1f;else
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return;
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}
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virtual void MouseDown(uint) override
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{
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mouse_last_pos=mouse_pos;
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}
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virtual void MouseMove() override
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{
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if(!(mouse_key&(mbLeft|mbRight)))return;
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Vector2f gap=mouse_pos-mouse_last_pos;
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if(mouse_key&mbLeft)
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{
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if(gap.x!=0)camera.HorzRotate(-gap.x/10.0f);
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if(gap.y!=0)camera.VertRotate(-gap.y/10.0f);
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}
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else
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{
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if(gap.x!=0)view_model_matrix=rotate(hgl_ang2rad(gap.x),camera.up_vector)*view_model_matrix;
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if(gap.y!=0)view_model_matrix=rotate(hgl_ang2rad(gap.y),camera.right_vector)*view_model_matrix;
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}
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mouse_last_pos=mouse_pos;
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}
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virtual void MouseWheel(int v,int h,uint)
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{
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camera.Distance(1+(v/1000.0f));
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}
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};//class CameraAppFramework
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