trotFunky/Toy-Raytracer
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Clean placeholder code to get it running.
Add comments to clarify working, add TODOs in main,
add some references for the maths.
This commit is contained in:
trotFunky 2023-12-30 14:50:35 +01:00
parent 59939d182b
commit c7384ba9ba
3 changed files with 34 additions and 4 deletions
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18
World.cpp
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@ -94,11 +94,15 @@ void World::fillColumn(sf::RenderWindow& window, int column, float scale, sf::Co
float World::castRay(float originX, float originY, float orientation)
{
/*
* Reference used for ray intersection computations :
* https://web.archive.org/web/20220628034315/https://yunes.informatique.univ-paris-diderot.fr/wp-content/uploads/cours/INFOGRAPHIE/08-Raycasting.pdf
*/
float deltaX;
float deltaY;
if(orientation < 45 || orientation > 315)
{
deltaX = ;
}
else if(orientation < 135)
{
@ -113,11 +117,16 @@ float World::castRay(float originX, float originY, float orientation)
}
return();
return 0;
}
void World::render(sf::RenderWindow& window) const
{
/*
* Draw ground and sky planes through half of the screen, as the walls
* will get drawn over them.
* This doesn't work if we support textures/levels.
*/
sf::RectangleShape ground = sf::RectangleShape(sf::Vector2f(window.getSize().x,window.getSize().y/2.0));
ground.setFillColor(groundColor);
ground.setPosition(0,window.getSize().y/2.0);
@ -128,10 +137,13 @@ void World::render(sf::RenderWindow& window) const
window.draw(ground);
window.draw(ceiling);
/*
* Throw rays and draw walls over the ceiling and ground.
* Only throws in the plane, which doesn't work for levels/3D.
*/
for(int i = 0;i<window.getSize().x;i++)
{
fillColumn(window, i, 0.5);
std::cout << i << std::endl;
}
}