C++ (Cpp) ToMat4示例

示例#1

文件： Mesh_D3D11.cpp 项目： DanielNeander/my-3d-engine

void Mesh_D3D11::Draw(void)
{
#if 0
  // Set vertex buffer
  unsigned int iOffset = 0;
  GetApp()->GetContext()->IASetVertexBuffers(0, 1, &m_pVertexBuffer, &m_iVertexSize, &iOffset);

  // Set index buffer
  GetApp()->GetContext()->IASetIndexBuffer(m_pIndexBuffer, DXGI_FORMAT_R16_UINT, 0);

  // Set primitive topology
  GetApp()->GetContext()->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);

  // Set the input layout
  GetApp()->GetContext()->IASetInputLayout(m_pVertexLayout);

  // Draw
  GetApp()->GetContext()->DrawIndexed(m_iNumTris * 3, 0, 0);
#endif

  noMat4 tm(worldTM_.rotate_ * worldTM_.scale_, worldTM_.trans_);
  tm.TransposeSelf();	

  GetApp()->drawModel(m_rd, ToMat4(tm), ViewMat(), ProjMat());

  g_iTrisPerFrame += m_iNumTris;
}

示例#2

文件： StaticModelEntity.cpp 项目： S-V/Lollipop

void StaticModelEntity::UpdateDerivedValues()
{
	m_transform.orientation.Normalize();

	m_model.m_localToWorld = m_transform.ToMat4();
	rxAABB_Transform( &m_worldAABB, m_model.m_localAABB, m_transform );
}

示例#3

文件： MD5Renderer.cpp 项目： DanielNeander/my-3d-engine

int InterAreaPortal::CheckVisible( BaseCamera* c )
{
	noFrustum f;

	noMat4 view(c->getViewMatrix());
	noMat4 proj(c->getProjectionMatrix());
	f.loadFrustum(ToMat4(view) * ToMat4(proj));
	
	int num_points = m_points.size();
	int i;
	Plane p;
	// check front plane.
	bool all_front = true;
	bool all_back  = true;

	for(i=0; i<num_points; ++i) { 
		p = f.getPlane(FRUSTUM_NEAR);
		vec3 point(m_points[i].ToFloatPtr());
		if (p.dist(point) > 0) 
			all_front = false;
		 else {
			all_back = false;
		}    
	}
	if(all_back) {
		return 0;
	}

	for (int j = FRUSTUM_LEFT; j < FRUSTUM_FAR; j++) {
		bool all_back = true;
		for(i=0; i < num_points; ++i) {
			p = f.getPlane(j);
			vec3 point(m_points[i].ToFloatPtr());
			if (p.dist(point) > 0)  {
				all_back = false;
				break;
			}
		}
		if(all_back) {
			return 0;
		}
	}

	return (all_front?1:-1);		
}