1. Texture
    1. Rotation 원리
    2. Rotation Demo
    3. Rotation 실행화면
    4. UV 좌표계
    5. Texture.fx
    6. Texture
    7. Texture 실행화면

 

 

목차

 

 

 

Texture

 

 

Rotation 원리

 

 

https://learn.microsoft.com/ko-kr/windows/win32/direct2d/how-to-rotate

 

개체를 회전하는 방법 - Win32 apps

개체를 회전하는 방법을 보여줍니다.

learn.microsoft.com

 

http://www.directxtutorial.com/Lesson.aspx?lessonid=9-4-5 

 

DirectXTutorial.com

In the last lesson you built a simple, flat triangle lit with simple diffuse lighting. This triangle was not 3D, it was flat. If you managed to change it, you found it was a 2D triangle drawn in screen coordinates. The triangle you made was pre-transformed

www.directxtutorial.com

 

Rotation Demo

 

RotationDemo.h

더보기 
#pragma once
#include "Systems/IExecute.h"
 
class RotationDemo : 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;
 
	float z = 0.0f;
	Matrix world;
};

 

 

RotationDemo.cpp

더보기 
#include "stdafx.h"
#include "RotationDemo.h"
 
void RotationDemo::Initialize()
{
	Context::Get()->GetCamera()->Position(0, 0, -5.0f);
 
	shader = new Shader(L"09_World.fx");
	
	//좌측하단 기준으로 회전
	//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);
 
	//중앙 기준으로 회전
	vertices[0].Position = Vector3(-0.5f, -0.5f, 0.0f);
	vertices[1].Position = Vector3(-0.5f, +0.5f, 0.0f);
	vertices[2].Position = Vector3(+0.5f, -0.5f, 0.0f);
	vertices[3].Position = Vector3(+0.5f, -0.5f, 0.0f);
	vertices[4].Position = Vector3(-0.5f, +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));
 
 
	D3DXMatrixIdentity(&world);
}
 
void RotationDemo::Destroy()
{
	SafeDelete(shader);
 
	SafeRelease(vertexBuffer);
}
 
void RotationDemo::Update()
{
	if (Keyboard::Get()->Press(VK_RIGHT))
	{
		z += 20 * Time::Delta();
	}
	else if (Keyboard::Get()->Press(VK_LEFT))
	{
		z -= 20 * Time::Delta();
	}
 
	D3DXMatrixRotationZ(&world, z * Math::ToRadian(z));
}
 
void RotationDemo::Render()
{
	shader->AsMatrix("World")->SetMatrix(world);
	shader->AsMatrix("View")->SetMatrix(Context::Get()->View());
	shader->AsMatrix("Projection")->SetMatrix(Context::Get()->Projection());
 
 
	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);
}

 

Rotation 실행화면

 

좌측하단 기준 회전

 

중앙 기준 회전

 

 

 

UV 좌표계

 

 

https://m.blog.naver.com/PostView.naver?isHttpsRedirect=true&blogId=sipack7297&logNo=220424401873 

 

[D3D] 5장 : 텍스처(Texture)

텍스처(Texture)  - 일반적으로 2차원 텍스처를 사용한다. 텍스처 좌표계(Texture Coordinate Sys...

blog.naver.com

 

 

 

Texture.fx

 

Texture.fx

더보기 
matrix World;
matrix View;
matrix Projection;
Texture2D Map;
 
struct VertexInput
{
    float4 Position : Position;
    float2 Uv : Uv;
};
 
struct VertexOutput
{
    float4 Position : SV_Position;
    float2 Uv : Uv;
};
 
VertexOutput VS(VertexInput input)
{
    VertexOutput output;
    output.Position = mul(input.Position, World);
    output.Position = mul(output.Position, View);
    output.Position = mul(output.Position, Projection);
    
    output.Uv = input.Uv;
    
    return output;
}
 
SamplerState Samp;
float4 PS(VertexOutput input) : SV_Target
{
    return Map.Sample(Samp, input.Uv);
}
 
RasterizerState FillMode_Wireframe
{
    FillMode = Wireframe;
};
 
technique11 T0
{
    pass P0
    {
        SetVertexShader(CompileShader(vs_5_0, VS()));
        SetPixelShader(CompileShader(ps_5_0, PS()));
    }
 
    pass P1
    {
        SetRasterizerState(FillMode_Wireframe);
 
        SetVertexShader(CompileShader(vs_5_0, VS()));
        SetPixelShader(CompileShader(ps_5_0, PS()));
    }
}

 

Texture2D Map; 추가

float2 Uv : Uv 추가

output.Uv = input.Uv

 

SamplerState Samp;
float4 PS(VertexOutput input) : SV_Target
{
    return Map.Sample(Samp, input.Uv);
}

 

 

Texture

 

Texture.h

더보기 
#pragma once
#include "Systems/IExecute.h"
 
class TextureDemo : 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;
 
	VertexTexture vertices[6];
	ID3D11Buffer* vertexBuffer;
 
	UINT indices[6] = { 0, 1, 2, 2, 1, 3 };
	ID3D11Buffer* indexBuffer;
 
	Matrix world;
	ID3D11ShaderResourceView* srv;
};

 

VertexTexture vertices[6];

UINT indices[6] = { 0, 1, 2, 2, 1, 3};

ID3D11ShaderResourceView* srv;

 

Texture.cpp

더보기 
#include "stdafx.h"
#include "TextureDemo.h"
 
void TextureDemo::Initialize()
{
	Context::Get()->GetCamera()->Position(0, 0, -5.0f);
 
	shader = new Shader(L"16_Texture.fx");
	
	vertices[0].Position = Vector3(-0.5f, -0.5f, 0.0f);
	vertices[1].Position = Vector3(-0.5f, +0.5f, 0.0f);
	vertices[2].Position = Vector3(+0.5f, -0.5f, 0.0f);
	vertices[3].Position = Vector3(+0.5f, +0.5f, 0.0f);
 
	vertices[0].Uv = Vector2(0, 1);
	vertices[1].Uv = Vector2(0, 0);
	vertices[2].Uv = Vector2(1, 1);
	vertices[3].Uv = Vector2(1, 0);
 
 
 
	//Create Vertex Buffer
	{
		D3D11_BUFFER_DESC desc;
		ZeroMemory(&desc, sizeof(D3D11_BUFFER_DESC));
		desc.ByteWidth = sizeof(VertexTexture) * 4;
		desc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
 
		D3D11_SUBRESOURCE_DATA subResource = { 0 };
		subResource.pSysMem = vertices;
 
		Check(D3D::GetDevice()->CreateBuffer(&desc, &subResource, &vertexBuffer));
	}
 
	//Create Index Buffer
	{
		D3D11_BUFFER_DESC desc;
		ZeroMemory(&desc, sizeof(D3D11_BUFFER_DESC));
		desc.ByteWidth = sizeof(UINT) * 6;
		desc.BindFlags = D3D11_BIND_INDEX_BUFFER;
 
		D3D11_SUBRESOURCE_DATA subResource = { 0 };
		subResource.pSysMem = indices;
 
		Check(D3D::GetDevice()->CreateBuffer(&desc, &subResource, &indexBuffer));
	}
 
 
	D3DXMatrixIdentity(&world);
 
	Check(D3DX11CreateShaderResourceViewFromFile
	(
		D3D::GetDevice(), L"../../_Textures/Box.png", NULL, NULL, &srv, NULL
	));
}
 
void TextureDemo::Destroy()
{
	SafeDelete(shader);
 
	SafeRelease(vertexBuffer);
}
 
void TextureDemo::Update()
{
	
}
 
void TextureDemo::Render()
{
	shader->AsMatrix("World")->SetMatrix(world);
	shader->AsMatrix("View")->SetMatrix(Context::Get()->View());
	shader->AsMatrix("Projection")->SetMatrix(Context::Get()->Projection());
	shader->AsSRV("Map")->SetResource(srv);
 
 
	UINT stride = sizeof(VertexTexture);
	UINT offset = 0;
 
	D3D::GetDC()->IASetVertexBuffers(0, 1, &vertexBuffer, &stride, &offset);
	D3D::GetDC()->IASetIndexBuffer(indexBuffer, DXGI_FORMAT_R32_UINT, 0);
	D3D::GetDC()->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
 
	shader->DrawIndexed(0, 0, 6);
}

 

 

 

 

Texture 실행화면

 

 

 

 

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