spieleprogrammierer.de - Forum und Wiki zur Spieleprogrammierung und Spieleentwicklung

C-/C++-Quelltext

// Die Render-Funktion
tbResult RenderProc(float fNumSecsPassed)
{
    tbMatrix    mProjection;
    tbMatrix    mWorld;
    D3DLIGHT9   Light;

    // Z-Buffer leeren und die Szene beginnen
    tbDirect3D& D3D = tbDirect3D::Instance();
    D3D->Clear(0, NULL, D3DCLEAR_ZBUFFER, 0, 1.0f, 0);
    D3D->BeginScene();

    // Projektionsmatrix erstellen und einsetzen
    mProjection = tbMatrixProjection(g_fFOV, D3D.GetAspect(), 0.1f, 5000.0f);
    D3D.SetTransform(D3DTS_PROJECTION, mProjection);

    // Kameramatrix erstellen und einsetzen
    g_pCamera->SetCamera(D3D);

    // Skybox rendern
    g_pSkyBox->Render(g_pCamera->GetPosition());

    // Ein Richtungslicht erstellen
    ZeroMemory(&Light, sizeof(D3DLIGHT9));
    Light.Type = D3DLIGHT_DIRECTIONAL;
    Light.Diffuse = tbColor(1.0f, 1.0f, 1.0f);
    Light.Ambient = tbColor(0.4f, 0.4f, 0.4f);
    Light.Specular = tbColor(1.0f, 1.0f, 1.0f);
    Light.Direction = tbVector3(1.0f, 0, 0);
    D3D->SetLight(0, &Light);
    D3D->LightEnable(0, TRUE);

    // Nebel!
    D3D.SetRS(D3DRS_FOGENABLE,      TRUE);
    D3D.SetRS(D3DRS_FOGVERTEXMODE,  D3DFOG_LINEAR);
    D3D.SetRS(D3DRS_RANGEFOGENABLE, TRUE);
    D3D.SetRS(D3DRS_FOGCOLOR,       0);
    D3D.SetRSF(D3DRS_FOGSTART,      4900.0f);
    D3D.SetRSF(D3DRS_FOGEND,        5000.0f);

    // Weltmatrix zurücksetzen
    D3D.SetTransform(D3DTS_WORLD, tbMatrixIdentity());

    // Schiff rendern
    mWorld = tbMatrixRotationY(g_fTime * -0.5f);
    D3D.SetTransform(D3DTS_WORLD, mWorld);
    g_pModel->Render();

    D3D->LightEnable(0, FALSE);

    // Das Datenblatt rendern
    D3D.SetFVF(SVertex::dwFVF);
    mWorld = tbMatrixTranslation(tbVector3(20, 0, 0));
    D3D.SetTransform(D3DTS_WORLD, mWorld);
    
    D3D.SetTexture(0, g_pTexture);
    D3D->DrawPrimitiveUP(D3DPT_TRIANGLELIST, 1, g_aTriangles[0].aVertex, sizeof(SVertex));
    D3D->DrawPrimitiveUP(D3DPT_TRIANGLELIST, 1, g_aTriangles[1].aVertex, sizeof(SVertex));

    // Kein Nebel mehr!
    D3D.SetRS(D3DRS_FOGENABLE, FALSE);

        // Anzeige von fps und Zeitdauer
    char acText[256];
    sprintf(acText, "Zeit: %.2f\nFPS: %.2f", g_fTime, 1.0f / fNumSecsPassed);
    g_pFont->Begin();
    g_pFont->DrawText(tbVector2(10.0f, 10.0f),
                       acText,                      // Der Text
                       TB_FF_ALIGN_HLEFT,           // Links ausrichten
                       -1,                          // Textlänge automatisch ermitteln
                       tbColor(0.25f, 1.0f, 0.25f), // Startfarbe (links), grün
                       tbColor(1.0f, 1.0f, 1.0f),   // Endfarbe (rechts), weiß
                       tbVector2(0.75f, 1.0f),      // Skalierung (75% auf x-Achse)
                       -2.0f,                       // Zeichen um 2 Pixel enger
                       2.0f,                        // Kursivität: 2 Pixel
                       0.0f,                        // Standardzeilenabstand
                       50.0f,                       // Tab-Stopps alle 50 Pixel
                       0.0f);                       // x-Abstand = 0
    g_pFont->End();

    // Szene beenden
    D3D->EndScene();

    return TB_OK;
}

C-/C++-Quelltext

struct SVertex
{
    tbVector3           vPosition;  // Position des Vertex
    DWORD               dwColor;    // Farbe des Vertex
    tbVector2           vTexture;   // Texturkoordinaten
    static const DWORD  dwFVF;      // Vertexformat
};

const DWORD SVertex::dwFVF = D3DFVF_XYZ | D3DFVF_DIFFUSE | D3DFVF_TEX1;

// Struktur für ein Dreieck
struct STriangle
{
    tbVector3   vPosition;      // Position
    SVertex     aVertex[3];     // Die drei Vertizes
};

STriangle g_aTriangles[2];

C-/C++-Quelltext

g_aTriangles[0].aVertex[0].vPosition = tbVector3(-50, 30, 0);
    g_aTriangles[0].aVertex[0].vTexture = tbVector2(0, 0);
    g_aTriangles[0].aVertex[1].vPosition = tbVector3(50, 30, 0);
    g_aTriangles[0].aVertex[1].vTexture = tbVector2(1, 0);
    g_aTriangles[0].aVertex[2].vPosition = tbVector3(-50, -30, 0);
    g_aTriangles[0].aVertex[2].vTexture = tbVector2(0, 1);
    g_aTriangles[0].aVertex[0].dwColor = tbColor(1.0f, 1.0f, 1.0f);
    g_aTriangles[0].aVertex[1].dwColor = tbColor(1.0f, 1.0f, 1.0f);
    g_aTriangles[0].aVertex[2].dwColor = tbColor(1.0f, 1.0f, 1.0f);

    g_aTriangles[1].aVertex[0].vPosition = tbVector3(50, 30, 0);
    g_aTriangles[1].aVertex[0].vTexture = tbVector2(1, 0);
    g_aTriangles[1].aVertex[1].vPosition = tbVector3(50, -30, 0);
    g_aTriangles[1].aVertex[1].vTexture = tbVector2(1, 1);
    g_aTriangles[1].aVertex[2].vPosition = tbVector3(-50, -30, 0);
    g_aTriangles[1].aVertex[2].vTexture = tbVector2(0, 1);
    g_aTriangles[1].aVertex[0].dwColor = tbColor(1.0f, 1.0f, 1.0f);
    g_aTriangles[1].aVertex[1].dwColor = tbColor(1.0f, 1.0f, 1.0f);
    g_aTriangles[1].aVertex[2].dwColor = tbColor(1.0f, 1.0f, 1.0f);

    g_pTexture = tbTextureManager::Instance().LoadTexture("Data\\wiki.dds");
    if(!g_pTexture) {
        MessageBox(tbDirect3D::Instance().GetWindow(), "Fehler beim Laden des Datenblattes!",
                   "Fehler", MB_OK | MB_ICONEXCLAMATION);
        CleanUp();
        return 1;
    }