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david
2025-09-24 15:37:58 +02:00
parent 10d4f9fd1b
commit 589d0933f4
4 changed files with 95 additions and 15 deletions
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GDP/D3D9/Mesh.cpp
+64 -15
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@@ -31,12 +31,23 @@ void Mesh::update(FLOAT dt)
static FLOAT x = 0.0f;
static FLOAT y = 0.0f;
static FLOAT z = 0.0f;
static FLOAT pitch = 0.0f;
static FLOAT pitch = XM_PIDIV4;
static FLOAT yaw = 0.0f;
static FLOAT roll = 0.0f;
static FLOAT roll = XM_PIDIV4;
static FLOAT scale = 1.0f;
yaw += 0.01f;
yaw += 1.0f * dt;
FLOAT move = 1.0f * dt;
if (GetAsyncKeyState(VK_LEFT) & 0x8000) x -= move;
if (GetAsyncKeyState(VK_RIGHT) & 0x8000) x += move;
if (GetAsyncKeyState(VK_DOWN) & 0x8000) y -= move;
if (GetAsyncKeyState(VK_UP) & 0x8000) y += move;
if (GetAsyncKeyState('Q') & 0x8000) z -= move;
if (GetAsyncKeyState('E') & 0x8000) z += move;
XMMATRIX translationMatrix = XMMatrixTranslation(x, y, z);
XMMATRIX rotationMatrix = XMMatrixRotationRollPitchYaw(pitch, yaw, roll);
@@ -69,7 +80,7 @@ void Mesh::deInit()
UINT Mesh::createVertexBuffer(IDirect3DDevice9* pD3DDevice)
{
// 1. define mesh structure
_vertexCount = 4;
_vertexCount = 8;
_vertexStride = sizeof(Vertex);
// 2. create vertex buffer WITHOUT data
@@ -110,12 +121,25 @@ UINT Mesh::createVertexBuffer(IDirect3DDevice9* pD3DDevice)
//pVertices[2] = Vertex(-0.5f, -0.5f, 0.0f);
//pVertices[3] = Vertex(0.5f, -0.5f, 0.0f);
// quad with trianglefan
// quad with trianglelist & index buffer
pVertices[0] = Vertex(-0.5f, 0.5f, 0.0f);
pVertices[1] = Vertex(0.5f, 0.5f, 0.0f);
pVertices[2] = Vertex(0.5f, -0.5f, 0.0f);
pVertices[3] = Vertex(-0.5f, -0.5f, 0.0f);
//// quad with trianglefan
//// quad with trianglelist & index buffer
//pVertices[0] = Vertex(-0.5f, 0.5f, 0.0f);
//pVertices[1] = Vertex(0.5f, 0.5f, 0.0f);
//pVertices[2] = Vertex(0.5f, -0.5f, 0.0f);
//pVertices[3] = Vertex(-0.5f, -0.5f, 0.0f);
// cube
// front
pVertices[0] = Vertex(-0.5f, 0.5f, -0.5f);
pVertices[1] = Vertex(0.5f, 0.5f, -0.5f);
pVertices[2] = Vertex(0.5f, -0.5f, -0.5f);
pVertices[3] = Vertex(-0.5f, -0.5f, -0.5f);
// back
pVertices[4] = Vertex(0.5f, 0.5f, 0.5f);
pVertices[5] = Vertex(-0.5f, 0.5f, 0.5f);
pVertices[6] = Vertex(-0.5f, -0.5f, 0.5f);
pVertices[7] = Vertex(0.5f, -0.5f, 0.5f);
hr = _pVertexBuffer->Unlock();
CheckFailed(hr, 320);
@@ -127,7 +151,7 @@ UINT Mesh::createVertexBuffer(IDirect3DDevice9* pD3DDevice)
UINT Mesh::createIndexBuffer(IDirect3DDevice9* pD3DDevice)
{
_indexCount = 6; // triangle * 3
_indexCount = 36; // triangle * 3
HRESULT hr = pD3DDevice->CreateIndexBuffer(
_indexCount * sizeof(WORD),
@@ -143,13 +167,38 @@ UINT Mesh::createIndexBuffer(IDirect3DDevice9* pD3DDevice)
hr = _pIndexBuffer->Lock(0, 0, reinterpret_cast<void**>(&pIndices), 0);
CheckFailed(hr, 340);
// quad
// triangle 1
pIndices[0] = 0; pIndices[1] = 1; pIndices[2] = 2;
//// quad
//// triangle 1
//pIndices[0] = 0; pIndices[1] = 1; pIndices[2] = 2;
// triangle 2
//// triangle 2
//pIndices[3] = 0; pIndices[4] = 2; pIndices[5] = 3;
// cube
// front
pIndices[0] = 0; pIndices[1] = 1; pIndices[2] = 2;
pIndices[3] = 0; pIndices[4] = 2; pIndices[5] = 3;
// back
pIndices[6] = 4; pIndices[7] = 5; pIndices[8] = 6;
pIndices[9] = 4; pIndices[10] = 6; pIndices[11] = 7;
// left
pIndices[12] = 5; pIndices[13] = 0; pIndices[14] = 3;
pIndices[15] = 5; pIndices[16] = 3; pIndices[17] = 6;
// right
pIndices[18] = 1; pIndices[19] = 4; pIndices[20] = 7;
pIndices[21] = 1; pIndices[22] = 7; pIndices[23] = 2;
// top
pIndices[24] = 5; pIndices[25] = 4; pIndices[26] = 1;
pIndices[27] = 5; pIndices[28] = 1; pIndices[29] = 0;
// bottom
pIndices[30] = 3; pIndices[31] = 2; pIndices[32] = 7;
pIndices[33] = 3; pIndices[34] = 7; pIndices[35] = 6;
hr = _pIndexBuffer->Unlock();
CheckFailed(hr, 350);