Exemplos de frustumBuildPlanes em C++ (Cpp)

Exemplo n.º 1

Arquivo: mgGL33Services.cpp Projeto: duaneking/SeaOfMemes

//--------------------------------------------------------------
// append world transform
void mgGL33Services::appendModelTransform(
  const mgMatrix4& xform)
{
  m_modelMatrix.leftMultiply(xform);

  mgMatrix4 viewMatrix;
  viewMatrix.translate(-m_eyePt.x, -m_eyePt.y, -m_eyePt.z);
  viewMatrix.multiply(m_eyeMatrix);

  m_worldMatrix = m_modelMatrix;
  m_worldMatrix.multiply(viewMatrix);
  frustumBuildPlanes();

  m_updateShaderVars = true;
}

Exemplo n.º 2

Arquivo: mgDX9Display.cpp Projeto: Kelimion/SeaOfMemes

//--------------------------------------------------------------
// draw the view
void mgDX9Display::drawView()
{
  mg_d3dDevice->Clear(0, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, 
      D3DCOLOR_XRGB(0, 0, 0), 1.0f, 0);

  // if too early, do nothing
  if (m_theApp == NULL)
    return;

  mg_d3dDevice->BeginScene();

  D3DXMatrixIdentity(&m_state->m_worldMatrix);

  // render sky (before light and fog, or we can't see sky)
  D3DXMATRIX eyeMatrix;
  toD3DMatrix(m_eyeMatrix, eyeMatrix);
  m_state->m_viewMatrix = eyeMatrix;

  mg_d3dDevice->SetTransform(D3DTS_PROJECTION, &m_state->m_projMatrix);
  mg_d3dDevice->SetTransform(D3DTS_WORLD, &m_state->m_worldMatrix);
  mg_d3dDevice->SetTransform(D3DTS_VIEW, &m_state->m_viewMatrix);

  // set defaults
  setMatColor(0.5, 0.5, 0.5);
  setLighting(false);

  m_theApp->drawSky();

  // set up for world object rendering
  D3DXMatrixIdentity(&m_state->m_worldMatrix);
  mg_d3dDevice->SetTransform(D3DTS_PROJECTION, &m_state->m_projMatrix);
  mg_d3dDevice->SetTransform(D3DTS_WORLD, &m_state->m_worldMatrix);

  // set up view transform
  D3DXMATRIX translate;
  D3DXMatrixTranslation(&translate, (FLOAT) -m_eyePt.x, (FLOAT) -m_eyePt.y, (FLOAT) -m_eyePt.z);
  D3DXMatrixMultiply(&m_state->m_viewMatrix, &translate, &eyeMatrix);

  mg_d3dDevice->SetTransform(D3DTS_VIEW, &m_state->m_viewMatrix);

  frustumBuildPlanes();

  setLightAndFog();

  // set defaults
  setMatColor(0.5, 0.5, 0.5);
  setLighting(true);
  setZEnable(true);
  setTransparent(false);

  // tell the app the draw the view
  m_theApp->drawView();

  // set up for front plane rendering.  screen coordinates.
  D3DXMATRIX identity;
  D3DXMatrixIdentity(&identity);
  mg_d3dDevice->SetTransform(D3DTS_PROJECTION, &identity);
  mg_d3dDevice->SetTransform(D3DTS_WORLD, &identity);

  D3DXMATRIX scaling;
  D3DXMatrixScaling(&scaling, 2.0f/(FLOAT) m_graphicsWidth, -2.0f/(FLOAT) m_graphicsHeight, 1.0f);
  D3DXMatrixTranslation(&translate, -0.5f * (FLOAT) m_graphicsWidth, -0.5f * (FLOAT) m_graphicsHeight, 0.0f);
  D3DXMatrixMultiply(&m_state->m_viewMatrix, &translate, &scaling);
  mg_d3dDevice->SetTransform(D3DTS_VIEW, &m_state->m_viewMatrix);

  // turn off quality texture filtering.  for overlay, we want the actual pixels
  mg_d3dDevice->SetSamplerState(0, D3DSAMP_MIPFILTER, D3DTEXF_NONE);
  mg_d3dDevice->SetSamplerState(0, D3DSAMP_MAGFILTER, D3DTEXF_POINT);
  mg_d3dDevice->SetSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_POINT);

  // set defaults for overlay
  setMatColor(1.0, 1.0, 1.0);
  setLighting(false);
  setZEnable(false);

  // tell the app to draw its overlay
  m_theApp->drawOverlay();

  // draw the cursor, if enabled
  if (m_cursorEnabled)
    drawCursor();

  // turn texture filtering back on
  mg_d3dDevice->SetSamplerState(0, D3DSAMP_MIPFILTER, D3DTEXF_LINEAR);
  mg_d3dDevice->SetSamplerState(0, D3DSAMP_MAGFILTER, D3DTEXF_ANISOTROPIC);
  mg_d3dDevice->SetSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_ANISOTROPIC);
  mg_d3dDevice->SetSamplerState(0, D3DSAMP_MAXANISOTROPY, 2); // m_state->m_deviceCaps.MaxAnisotropy);

  mg_d3dDevice->EndScene();
}