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The raycaster can now pair a floor with a ceiling tile and to demonstrate this I have a blue light that shines on to a stone floor. I also played with just pixelating a regular image rather than painting it and honestly it looks better in a lot of ways.

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Zed A. Shaw 2025-05-26 13:59:26 -04:00
parent e015652f4c
commit 931d9493d2
11 changed files with 50 additions and 39 deletions
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12
raycaster.cpp
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@ -66,8 +66,6 @@ Raycaster::Raycaster(int width, int height) :
$view_sprite.setPosition({0, 0});
$pixels = make_unique<RGBA[]>($width * $height);
$view_texture.setSmooth(false);
$floor_texture = textures::get_floor();
$ceiling_texture = textures::get_ceiling();
}
void Raycaster::set_position(int x, int y) {
@ -329,6 +327,8 @@ void Raycaster::draw_ceiling_floor() {
constexpr static const int texture_height = TEXTURE_HEIGHT;
auto &lights = $level.lights->lighting();
size_t surface_i = 0;
const uint32_t *floor_texture = textures::get_surface(surface_i);
const uint32_t *ceiling_texture = textures::get_ceiling(surface_i);
for(int y = $height / 2 + 1; y < $height; ++y) {
// rayDir for leftmost ray (x=0) and rightmost (x = w)
@ -388,18 +388,18 @@ void Raycaster::draw_ceiling_floor() {
if(new_surface_i != surface_i) {
surface_i = new_surface_i;
$floor_texture = textures::get_surface(surface_i);
$ceiling_texture = textures::get_surface(surface_i);
floor_texture = textures::get_surface(surface_i);
ceiling_texture = textures::get_ceiling(surface_i);
}
// NOTE: use map_x/y to get the floor, ceiling texture.
// FLOOR
color = $floor_texture[texture_width * ty + tx];
color = floor_texture[texture_width * ty + tx];
$pixels[pixcoord(x, y)] = lighting_calc(color, row_distance, light_level);
// CEILING
color = $ceiling_texture[texture_width * ty + tx];
color = ceiling_texture[texture_width * ty + tx];
$pixels[pixcoord(x, $height - y - 1)] = lighting_calc(color, row_distance, light_level);
}
}