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voxel-engine
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enable faceculling 

Doesn't give a massive improve in performance right now, but a nice one to have and was already made from the jme3 porting
intervalmaps-array-y
emamaker 2022-12-01 23:37:57 +01:00
parent 773b7999d4
commit 69c44e3609
2 changed files with 27 additions and 24 deletions
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36
src/chunkmesh.cpp
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@ -99,7 +99,7 @@ void ChunkMesh::mesh()
{ {
for (x[u] = 0; x[u] < CHUNK_SIZE; x[u]++) for (x[u] = 0; x[u] < CHUNK_SIZE; x[u]++)
{ {
Block b1 = (x[dim] >= 0) ? blocks[HILBERT_XYZ_ENCODE[x[0]][x[1]][x[2]]]: Block::NULLBLK; Block b1 = (x[dim] >= 0) ? blocks[HILBERT_XYZ_ENCODE[x[0]][x[1]][x[2]]] : Block::NULLBLK;
Block b2 = (x[dim] < CHUNK_SIZE - 1) Block b2 = (x[dim] < CHUNK_SIZE - 1)
? blocks[HILBERT_XYZ_ENCODE[x[0] + q[0]][x[1] + q[1]][x[2] + q[2]]] ? blocks[HILBERT_XYZ_ENCODE[x[0] + q[0]][x[1] + q[1]][x[2] + q[2]]]
: Block::NULLBLK; : Block::NULLBLK;
@ -263,23 +263,25 @@ void ChunkMesh::quad(glm::vec3 bottomLeft, glm::vec3 topLeft, glm::vec3 topRight
vertices.push_back(topRight.y); vertices.push_back(topRight.y);
vertices.push_back(topRight.z); vertices.push_back(topRight.z);
indices.push_back(vIndex + 2); if (backFace)
indices.push_back(vIndex + 3); {
indices.push_back(vIndex + 1); indices.push_back(vIndex + 2);
indices.push_back(vIndex + 1); indices.push_back(vIndex);
indices.push_back(vIndex); indices.push_back(vIndex + 1);
indices.push_back(vIndex + 2); indices.push_back(vIndex + 1);
indices.push_back(vIndex + 3);
indices.push_back(vIndex + 2);
}
else
{
indices.push_back(vIndex + 2);
indices.push_back(vIndex + 3);
indices.push_back(vIndex + 1);
indices.push_back(vIndex + 1);
indices.push_back(vIndex);
indices.push_back(vIndex + 2);
}
vIndex += 4; vIndex += 4;
// }
// else
// {
// indices.push_back(i + 2);
// indices.push_back(i + 3);
// indices.push_back(i + 1);
// indices.push_back(i + 1);
// indices.push_back(i);
// indices.push_back(i + 2);
// }
// ugly switch case // ugly switch case
GLfloat r, g, b; GLfloat r, g, b;

13
src/main.cpp
View File

@ -50,6 +50,7 @@ int main()
glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_DISABLED); glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_DISABLED);
glfwSetCursorPosCallback(window, mouse_callback); glfwSetCursorPosCallback(window, mouse_callback);
glEnable(GL_DEPTH_TEST); glEnable(GL_DEPTH_TEST);
glEnable(GL_CULL_FACE); //GL_BACK GL_CCW by default
SpaceFilling::initLUT(); SpaceFilling::initLUT();
chunkmanager::init(); chunkmanager::init();
@ -62,12 +63,12 @@ int main()
lastFrame = currentFrame; lastFrame = currentFrame;
// FPS Counter // FPS Counter
// frames++; frames++;
// if(currentFrame - lastFPSFrame >= 1.0f){ if(currentFrame - lastFPSFrame >= 1.0f){
// std::cout << "FPS: " << frames << std::endl; std::cout << "FPS: " << frames << " Frametime: " << deltaTime << std::endl;
// frames = 0; frames = 0;
// lastFPSFrame = currentFrame; lastFPSFrame = currentFrame;
// } }
glClearColor(0.2f, 0.3f, 0.3f, 1.0f); glClearColor(0.2f, 0.3f, 0.3f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);