trotFunky/Toy-Raytracer
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World: Re-use RectangleShapes for rendering

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sf::RectangleShapes were created brand new each frame, which takes a lot of time.
Instead, keep an array of them available and update them instead of creating new ones.

This also allows a nice optimization of only updating them if needed, by checking their
previous value.

Update the available number of rects when the window resizes.
This commit is contained in:
trotFunky 2024-01-29 00:25:57 +00:00
parent c875adfcbb
commit 10d0dee35d
3 changed files with 23 additions and 8 deletions
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3
main.cpp
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@ -15,10 +15,12 @@ int main()
World world(32,32);
world.setBlock(BlockType::AIR,1,1,30,30);
world.setBlock(BlockType::WALL,4,4,2,2);
world.setBlock(BlockType::WALL, 4, 6, 1, 10);
world.player.move(2,2);
std::cout << world << std::endl;
sf::RenderWindow window(sf::VideoMode(1000,1000),"Da raycasting");
world.resizeWindow(sf::FloatRect(0,0, 1000, 1000));
#ifdef IMGUI
if (!ImGui::SFML::Init(window)) {
std::cout << "Failed to init Dear ImGui SFML" << std::endl;
@ -47,6 +49,7 @@ int main()
static_cast<float>(event.size.width),
static_cast<float>(event.size.height));
window.setView(sf::View(newView));
world.resizeWindow(newView);
continue;
}
#ifdef IMGUI