/**
* The main render call: clears the screen, renders the game scene and the fps info.
*
* @param debugLevel The level of visual debugging for the physical scene: 0 - no debug info; 1 - render actors; 2 - render actors and other debug stuff (like joint constraints)
*/
void EngineCore::render(const int debugLevel)
{
if(m_pRenderContext->getEnableBit("wireframe"))
{
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
renderScene(debugLevel);
}
else
{
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
//renderGrayScale(0, debugLevel);
renderDOF(0, debugLevel);
}
renderFPS();
}
void ModelViewApp::render()
{
glClearColor(0.6f, 0.8f, 1.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glm::quat quaRot = glm::angleAxis(m_rot, glm::normalize(glm::vec3(1.0f, 0.0f, 0.0f)));
glm::mat4 matRot = glm::mat4_cast(quaRot);
glm::mat4 matView = glm::lookAt(glm::vec3(0.0f, 0.0f, 200.0f), glm::vec3(0.0f, 0.0f, 0.0f), glm::vec3(0.0f, 1.0f, 0.0f));
glm::mat4 matMVP = getRenderer()->getPerspectiveMatrix() * matView * matRot;
for (const auto& renderPieceInfo : m_pMeshData->renderPieceInfoList)
{
renderPieceInfo->pShader->useProgram();
renderPieceInfo->pShader->setUniform("u_matMVP", matMVP);
renderPieceInfo->pShader->setTexture(m_pMeshData->getMaterialTexDiffuse(renderPieceInfo->pieceInfo.nMaterialId), 0);
renderPieceInfo->pShader->drawBuffer(renderPieceInfo->pVertexBuffer, renderPieceInfo->pIndexBuffer);
}
renderFPS();
}
int main()
{
GLFWwindow* window;
struct DemoData data;
struct NVGcontext* vg = NULL;
struct FPScounter fps;
double prevt = 0;
if (!glfwInit()) {
printf("Failed to init GLFW.");
return -1;
}
initFPS(&fps);
glfwSetErrorCallback(errorcb);
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
window = glfwCreateWindow(1000, 600, "NanoVG", NULL, NULL);
if (!window) {
glfwTerminate();
return -1;
}
glfwSetKeyCallback(window, key);
glfwMakeContextCurrent(window);
#ifdef NANOVG_GLEW
glewExperimental = GL_TRUE;
if(glewInit() != GLEW_OK) {
printf("Could not init glew.\n");
return -1;
}
#endif
vg = nvgCreateGL3(512,512);
if (vg == NULL) {
printf("Could not init nanovg.\n");
return -1;
}
if (loadDemoData(vg, &data) == -1)
return -1;
glfwSwapInterval(0);
glfwSetTime(0);
prevt = glfwGetTime();
while (!glfwWindowShouldClose(window))
{
double mx, my, t, dt;
int width, height;
t = glfwGetTime();
dt = t - prevt;
prevt = t;
updateFPS(&fps, dt);
glfwGetCursorPos(window, &mx, &my);
glfwGetFramebufferSize(window, &width, &height);
// Update and render
glViewport(0, 0, width, height);
glClearColor(0.3f, 0.3f, 0.32f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT|GL_STENCIL_BUFFER_BIT);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_CULL_FACE);
glDisable(GL_DEPTH_TEST);
nvgBeginFrame(vg, width, height);
renderDemo(vg, mx,my, width,height, t, blowup, &data);
renderFPS(vg, 5,5, &fps);
glEnable(GL_DEPTH_TEST);
glfwSwapBuffers(window);
glfwPollEvents();
}
freeDemoData(vg, &data);
nvgDeleteGL3(vg);
glfwTerminate();
return 0;
}