void GateDemo::buildGateGeometry()
{
// Gate is just a rectangle aligned with the xy-plane.
// Obtain a pointer to a new vertex buffer.
HR(gd3dDevice->CreateVertexBuffer(4* sizeof(VertexPNT),
D3DUSAGE_WRITEONLY, 0, D3DPOOL_MANAGED, &mGateVB, 0));
// Now lock it to obtain a pointer to its internal data, and write the
// grid's vertex data.
VertexPNT* v = 0;
HR(mGateVB->Lock(0, 0, (void**)&v, 0));
// Scale texture coordinates by 4 units in the v-direction for tiling.
v[0] = VertexPNT(-20.0f, 0.0f, 0.0f, 0.0f, 0.0f, -1.0f, 0.0f, 1.0f);
v[1] = VertexPNT(-20.0f, 5.0f, 0.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f);
v[2] = VertexPNT( 20.0f, 5.0f, 0.0f, 0.0f, 0.0f, -1.0f, 4.0f, 0.0f);
v[3] = VertexPNT( 20.0f, 0.0f, 0.0f, 0.0f, 0.0f, -1.0f, 4.0f, 1.0f);
HR(mGateVB->Unlock());
// Obtain a pointer to a new index buffer.
HR(gd3dDevice->CreateIndexBuffer(6*sizeof(WORD), D3DUSAGE_WRITEONLY,
D3DFMT_INDEX16, D3DPOOL_MANAGED, &mGateIB, 0));
// Now lock it to obtain a pointer to its internal data, and write the
// grid's index data.
WORD* k = 0;
HR(mGateIB->Lock(0, 0, (void**)&k, 0));
k[0] = 0; k[1] = 1; k[2] = 2; // Triangle 0
k[3] = 0; k[4] = 2; k[5] = 3; // Triangle 1
HR(mGateIB->Unlock());
}
IDirect3DVertexBuffer9* BufferFactory::textureCubeBuffer()
{
HR(gd3dDevice->CreateVertexBuffer(24 * sizeof(VertexPNT), D3DUSAGE_WRITEONLY, 0, D3DPOOL_MANAGED, &mTexturedCubeVB, 0));
VertexPNT* v = 0;
HR(mTexturedCubeVB->Lock(0, 0, (void**)&v, 0));
// Fill in the front face vertex data.
v[0] = VertexPNT(-0.5, -0.5, -0.5, 0.0f, 0.0f, -1.0f, 0.0f, 1.0f);
v[1] = VertexPNT(-0.5, 0.5, -0.5, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f);
v[2] = VertexPNT( 0.5, 0.5, -0.5, 0.0f, 0.0f, -1.0f, 1.0f, 0.0f);
v[3] = VertexPNT( 0.5, -0.5, -0.5, 0.0f, 0.0f, -1.0f, 1.0f, 1.0f);
// Fill in the back face vertex data.
v[4] = VertexPNT(-0.5, -0.5, 0.5, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f);
v[5] = VertexPNT( 0.5, -0.5, 0.5, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f);
v[6] = VertexPNT( 0.5, 0.5, 0.5, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f);
v[7] = VertexPNT(-0.5, 0.5, 0.5, 0.0f, 0.0f, 1.0f, 1.0f, 0.0f);
// Fill in the top face vertex data.
v[8] = VertexPNT(-0.5, 0.5, -0.5, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f);
v[9] = VertexPNT(-0.5, 0.5, 0.5, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f);
v[10] = VertexPNT( 0.5, 0.5, 0.5, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f);
v[11] = VertexPNT( 0.5, 0.5, -0.5, 0.0f, 1.0f, 0.0f, 1.0f, 1.0f);
// Fill in the bottom face vertex data.
v[12] = VertexPNT(-0.5, -0.5, -0.5, 0.0f, -1.0f, 0.0f, 1.0f, 1.0f);
v[13] = VertexPNT( 0.5, -0.5, -0.5, 0.0f, -1.0f, 0.0f, 0.0f, 1.0f);
v[14] = VertexPNT( 0.5, -0.5, 0.5, 0.0f, -1.0f, 0.0f, 0.0f, 0.0f);
v[15] = VertexPNT(-0.5, -0.5, 0.5, 0.0f, -1.0f, 0.0f, 1.0f, 0.0f);
// Fill in the left face vertex data.
v[16] = VertexPNT(-0.5, -0.5, 0.5, -1.0f, 0.0f, 0.0f, 0.0f, 1.0f);
v[17] = VertexPNT(-0.5, 0.5, 0.5, -1.0f, 0.0f, 0.0f, 0.0f, 0.0f);
v[18] = VertexPNT(-0.5, 0.5, -0.5, -1.0f, 0.0f, 0.0f, 1.0f, 0.0f);
v[19] = VertexPNT(-0.5, -0.5, -0.5, -1.0f, 0.0f, 0.0f, 1.0f, 1.0f);
// Fill in the right face vertex data.
v[20] = VertexPNT( 0.5, -0.5, -0.5, 1.0f, 0.0f, 0.0f, 0.0f, 1.0f);
v[21] = VertexPNT( 0.5, 0.5, -0.5, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f);
v[22] = VertexPNT( 0.5, 0.5, 0.5, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f);
v[23] = VertexPNT( 0.5, -0.5, 0.5, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f);
HR(mTexturedCubeVB->Unlock());
return mTexturedCubeVB;
}
void MirrorDemo::buildRoomGeometry()
{
// Create and specify geometry. For this sample we draw a floor
// and a wall with a mirror on it. We put the floor, wall, and
// mirror geometry in one vertex buffer.
//
// |----|----|----|
// |Wall|Mirr|Wall|
// | | or | |
// /--------------/
// / Floor /
// /--------------/
// Create the vertex buffer.
HR(gd3dDevice->CreateVertexBuffer(24 * sizeof(VertexPNT), D3DUSAGE_WRITEONLY,
0, D3DPOOL_MANAGED, &mRoomVB, 0));
// Write box vertices to the vertex buffer.
VertexPNT* v = 0;
HR(mRoomVB->Lock(0, 0, (void**)&v, 0));
// Floor: Observe we tile texture coordinates.
v[0] = VertexPNT(-7.5f, 0.0f, -10.0f, 0.0f, 1.0f, 0.0f, 0.0f, 4.0f);
v[1] = VertexPNT(-7.5f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f);
v[2] = VertexPNT( 7.5f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 4.0f, 0.0f);
v[3] = VertexPNT(-7.5f, 0.0f, -10.0f, 0.0f, 1.0f, 0.0f, 0.0f, 4.0f);
v[4] = VertexPNT( 7.5f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 4.0f, 0.0f);
v[5] = VertexPNT( 7.5f, 0.0f, -10.0f, 0.0f, 1.0f, 0.0f, 4.0f, 4.0f);
// Wall: Observe we tile texture coordinates, and that we
// leave a gap in the middle for the mirror.
v[6] = VertexPNT(-7.5f, 0.0f, 0.0f, 0.0f, 0.0f, -1.0f, 0.0f, 2.0f);
v[7] = VertexPNT(-7.5f, 5.0f, 0.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f);
v[8] = VertexPNT(-2.5f, 5.0f, 0.0f, 0.0f, 0.0f, -1.0f, 2.0f, 0.0f);
v[9] = VertexPNT(-7.5f, 0.0f, 0.0f, 0.0f, 0.0f, -1.0f, 0.0f, 2.0f);
v[10] = VertexPNT(-2.5f, 5.0f, 0.0f, 0.0f, 0.0f, -1.0f, 2.0f, 0.0f);
v[11] = VertexPNT(-2.5f, 0.0f, 0.0f, 0.0f, 0.0f, -1.0f, 2.0f, 2.0f);
v[12] = VertexPNT(2.5f, 0.0f, 0.0f, 0.0f, 0.0f, -1.0f, 0.0f, 2.0f);
v[13] = VertexPNT(2.5f, 5.0f, 0.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f);
v[14] = VertexPNT(7.5f, 5.0f, 0.0f, 0.0f, 0.0f, -1.0f, 2.0f, 0.0f);
v[15] = VertexPNT(2.5f, 0.0f, 0.0f, 0.0f, 0.0f, -1.0f, 0.0f, 2.0f);
v[16] = VertexPNT(7.5f, 5.0f, 0.0f, 0.0f, 0.0f, -1.0f, 2.0f, 0.0f);
v[17] = VertexPNT(7.5f, 0.0f, 0.0f, 0.0f, 0.0f, -1.0f, 2.0f, 2.0f);
// Mirror
v[18] = VertexPNT(-2.5f, 0.0f, 0.0f, 0.0f, 0.0f, -1.0f, 0.0f, 1.0f);
v[19] = VertexPNT(-2.5f, 5.0f, 0.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f);
v[20] = VertexPNT( 2.5f, 5.0f, 0.0f, 0.0f, 0.0f, -1.0f, 1.0f, 0.0f);
v[21] = VertexPNT(-2.5f, 0.0f, 0.0f, 0.0f, 0.0f, -1.0f, 0.0f, 1.0f);
v[22] = VertexPNT( 2.5f, 5.0f, 0.0f, 0.0f, 0.0f, -1.0f, 1.0f, 0.0f);
v[23] = VertexPNT( 2.5f, 0.0f, 0.0f, 0.0f, 0.0f, -1.0f, 1.0f, 1.0f);
HR(mRoomVB->Unlock());
}