Polygon in Welt zeichnen

//1. Device vorbereiten
device->SetVertexShader(nullptr);
device->SetPixelShader(nullptr);
device->SetTexture(0, nullptr);
device->SetFVF(D3DFVF_XYZ | D3DFVF_DIFFUSE);
 
device->SetRenderState(D3DRS_ZENABLE, TRUE);
device->SetRenderState(D3DRS_LIGHTING, FALSE);
device->SetRenderState(D3DRS_ZWRITEENABLE, TRUE);
device->SetRenderState(D3DRS_ALPHABLENDENABLE, TRUE);
device->SetRenderState(D3DRS_CLIPPING, FALSE);
device->SetRenderState(D3DRS_CULLMODE, D3DCULL_NONE);
device->SetRenderState(D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA);
device->SetRenderState(D3DRS_SRCBLEND , D3DBLEND_SRCALPHA);
device->SetTextureStageState(0, D3DTSS_COLOROP, D3DTA_TEXTURE);
device->SetTextureStageState(0, D3DTSS_ALPHAOP, D3DTA_DIFFUSE);
 
//2. Sphere mit D3DXCreateSphere erzeugen
 
//3. Sphere rendern
void DrawMesh(ID3DXMesh *mesh, Vector position, float scale, Color color)
{
	LPDIRECT3DVERTEXBUFFER9 temp;
	if (SUCCEEDED(mesh->GetVertexBuffer(&temp)))
	{
		Vertex *vertices;
		if (SUCCEEDED(temp->Lock(0, 0, (void**)&vertices, 0)));
		{
			auto verticesCount = mesh->GetNumVertices();
			for (auto i = 0; i < verticesCount; ++i)
			{
				vertices[i].color = color;
			}
 
			temp->Unlock();
		}
 
		temp->Release();
	}
 
	D3DXMATRIX world;
	D3DXMATRIX scaling; 
 
	D3DXMatrixTranslation(&world, position.x, position.y, position.z);
	D3DXMatrixScaling(&scaling, scale, scale, scale);
 
	auto transform = scaling * world;
	device->SetTransform(D3DTS_WORLD, &transform);
 
	mesh->DrawSubset(0);
}