toggle wireframe with F

include/globals.hpp

@@ -14,6 +14,7 @@
 
 extr Camera theCamera;
 constexpr int chunks_volume = static_cast<int>(1.333333333333*M_PI*(RENDER_DISTANCE*RENDER_DISTANCE*RENDER_DISTANCE));
+extr bool wireframe;
 
 extr uint32_t MORTON_XYZ_ENCODE[CHUNK_SIZE][CHUNK_SIZE][CHUNK_SIZE];
 extr uint32_t MORTON_XYZ_DECODE[CHUNK_VOLUME][3];

src/main.cpp

@@ -21,6 +21,7 @@ int frames = 0;
 
 float lastBlockPick=0.0;
 bool blockpick = false;
+bool canChangeWireframe = true;
 
 int main()
 {
@@ -62,6 +63,7 @@ int main()
     std::cout << "Using GPU: " << glGetString(GL_VENDOR) << " " << glGetString(GL_RENDERER) << "\n";
 
     SpaceFilling::initLUT();
+    wireframe = false;
     renderer::init();
     std::thread chunkmanager_thread = chunkmanager::init();
 
@@ -140,6 +142,12 @@ void processInput(GLFWwindow *window)
 	lastBlockPick=glfwGetTime();
     }
 
+    if (glfwGetKey(window, GLFW_KEY_F) == GLFW_PRESS && canChangeWireframe){
+	wireframe = !wireframe;
+	canChangeWireframe = false;
+    }
+    if (glfwGetKey(window, GLFW_KEY_F) == GLFW_RELEASE) canChangeWireframe = true;
+
     // Reset blockpicking if enough time has passed
     if(glfwGetMouseButton(window, GLFW_MOUSE_BUTTON_1) == GLFW_RELEASE && glfwGetMouseButton(window, GLFW_MOUSE_BUTTON_2) == GLFW_RELEASE) blockpick = false;
 

src/renderer.cpp

@@ -61,6 +61,9 @@ namespace renderer{
 	    chunkmesher::getMeshDataQueue().push(m);
 	}
 
+	if(wireframe) glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+	else glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+
 	for(auto& c : chunks_torender){
 	    float dist = glm::distance(c->getPosition(), cameraChunkPos);
 	    if(dist <= static_cast<float>(RENDER_DISTANCE)){
@@ -95,7 +98,6 @@ namespace renderer{
 		{
 		    if(c->numTriangles > 0)
 		    {
-			// glPolygonMode(GL_FRONT_AND_BACK, GL_LINE); // wireframe mode
 			theShader->setMat4("model", model);
 			theShader->setMat4("view", theCamera.getView());
 			theShader->setMat4("projection", theCamera.getProjection());