[DirectX11] 008 User Interface

 

목차

 

 

 

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User Interface

 

 

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파이프라인

 

Vertex -> IA -> VS -> RS -> PS -> Pixel 

IA (Input Assembler)	스테이지를 이용해 렌더링 데이터 세팅
VS(Vertex Shader)	W, V, P.  정점의 위치 변환. NDC 공간의 사용.
RS(Rasterization Shader)	정점을 픽셀로 바꿔준다. 픽셀로 채워주는 과정
PS(Pixel Shader)	한점 한점을 어떻게 처리할 것인가? 픽셀 하나하나를 처리하는 과정. 색을 결정하는 과정에 쓰인다.

 

 

 

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User Interface

 

UserInterfaceDemo.h

#pragma once
#include "Systems/IExecute.h"

class UserInterfaceDemo : public IExecute
{
public:
	virtual void Initialize() override;
	virtual void Ready() override {}
	virtual void Destroy() override;
	virtual void Update() override;
	virtual void PreRender() override {}
	virtual void Render() override;
	virtual void PostRender() override {}
	virtual void ResizeScreen() override {}

private:
	Shader* shader;

	Vertex vertices[6];
	ID3D11Buffer* vertexBuffer;
};

 

UserInterfaceDemo.cpp

#include "stdafx.h"
#include "UserInterfaceDemo.h"

void UserInterfaceDemo::Initialize()
{
	shader = new Shader(L"07_Rect.fx");
	
	vertices[0].Position = Vector3(+0.0f, +0.0f, 0.0f);
	vertices[1].Position = Vector3(+0.0f, +0.5f, 0.0f);
	vertices[2].Position = Vector3(+0.5f, +0.0f, 0.0f);

	vertices[3].Position = Vector3(+0.5f, +0.0f, 0.0f);
	vertices[4].Position = Vector3(+0.0f, +0.5f, 0.0f);
	vertices[5].Position = Vector3(+0.5f, +0.5f, 0.0f);



	D3D11_BUFFER_DESC desc;
	ZeroMemory(&desc, sizeof(D3D11_BUFFER_DESC));
	desc.ByteWidth = sizeof(Vertex) * 6;
	desc.BindFlags = D3D11_BIND_VERTEX_BUFFER;

	D3D11_SUBRESOURCE_DATA subResource = { 0 };
	subResource.pSysMem = vertices;

	Check(D3D::GetDevice()->CreateBuffer(&desc, &subResource, &vertexBuffer));	
}

void UserInterfaceDemo::Destroy()
{
	SafeDelete(shader);

	SafeRelease(vertexBuffer);
}

void UserInterfaceDemo::Update()
{
    // 왼쪽아래 vertex 좌우 이동
	if (Keyboard::Get()->Press(VK_RIGHT))
    {
		vertices[0].Position.x += 2.0f * Time::Delta();
    }
	else if (Keyboard::Get()->Press(VK_LEFT))
    {
		vertices[0].Position.x -= 2.0f * Time::Delta();
    }

	static float y = 0.5f;
	ImGui::SliderFloat("V", &y, -1, +1);

	vertices[1].Position.y = y;

	D3D::GetDC()->UpdateSubresource(vertexBuffer, 0, NULL, vertices, sizeof(Vertex) * 6, 0);
}

void UserInterfaceDemo::Render()
{
    // ImGui 구현
	static bool bOpen = true;

	if (Keyboard::Get()->Down(VK_SPACE))
    {
		bOpen = !bOpen;
    }
	if (bOpen)
    {
		ImGui::ShowDemoWindow(&bOpen);
    }
	
    
	// 방향키 누를 때 좌측 상단에 "Right" "Left" 출력
	string text = "";
	if (Keyboard::Get()->Press(VK_RIGHT))
    {
		text += "Right";
    }
	else if (Keyboard::Get()->Press(VK_LEFT))
    {
		text += "Left";
    }

	Gui::Get()->RenderText(10, 60, 1, 0, 0, text); 
    


	UINT stride = sizeof(Vertex);
	UINT offset = 0;

	D3D::GetDC()->IASetVertexBuffers(0, 1, &vertexBuffer, &stride, &offset);
	D3D::GetDC()->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);

	shader->Draw(0, 0, 6);
}

 

Main.cpp

#include "stdafx.h"
#include "Main.h"
#include "Systems/Window.h"

#include "UserInterfaceDemo.h"
#include "TriangleList.h"
#include "Vertex_Line2.h"
#include "Vertex_Line.h"

void Main::Initialize()
{
	Push(new UserInterfaceDemo());
}

void Main::Ready()
{

}

void Main::Destroy()
{
	for (IExecute* exe : executes)
	{
		exe->Destroy();
		SafeDelete(exe);
	}
}

void Main::Update()
{
	for (IExecute* exe : executes)
		exe->Update();
}

void Main::PreRender()
{
	for (IExecute* exe : executes)
		exe->PreRender();
}

void Main::Render()
{
	for (IExecute* exe : executes)
		exe->Render();
}

void Main::PostRender()
{
	for (IExecute* exe : executes)
		exe->PostRender();
}

void Main::ResizeScreen()
{
	for (IExecute* exe : executes)
		exe->ResizeScreen();
}

void Main::Push(IExecute * execute)
{
	executes.push_back(execute);

	execute->Initialize();
}

int WINAPI WinMain(HINSTANCE instance, HINSTANCE prevInstance, LPSTR param, int command)
{
	D3DDesc desc;
	desc.AppName = L"D3D Game";
	desc.Instance = instance;
	desc.bFullScreen = false;
	desc.bVsync = false;
	desc.Handle = NULL;
	desc.Width = 1280;
	desc.Height = 720;
	desc.Background = Color(0.3f, 0.3f, 0.3f, 1.0f);
	D3D::SetDesc(desc);

	Main* main = new Main();
	WPARAM wParam = Window::Run(main);

	SafeDelete(main);

	return wParam;
}

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UserInterface 실행화면