Noratrieb/game-wip-dontplay
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Add light dropoff the deeper you go

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This commit is contained in:
crumblingstatue 2023-04-07 23:31:26 +02:00
parent 178babdec9
commit 7c4012e139
1 changed files with 12 additions and 3 deletions
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15
src/game.rs
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@ -33,7 +33,7 @@ pub struct GameState {
#[derivative(Debug = "ignore")]
#[opaque]
pub worldgen: Worldgen,
pub ambient_light: f32,
pub ambient_light: u8,
#[opaque]
pub clock: SfBox<Clock>,
pub light_sources: Vec<LightSource>,
@ -89,9 +89,18 @@ impl GameState {
}
pub(crate) fn light_pass(&mut self, lightmap: &mut RenderTexture, res: &Res) {
let how_much_below_surface = self.camera_offset.y.saturating_sub(WorldPos::SURFACE);
let light_dropoff = (how_much_below_surface / 8).min(255) as u8;
let daylight = 255u8;
self.ambient_light = daylight.saturating_sub(light_dropoff);
// Clear light map
// You can clear to a brighter color to increase ambient light level
lightmap.clear(Color::rgba(0, 0, 0, 255));
lightmap.clear(Color::rgba(
self.ambient_light,
self.ambient_light,
self.ambient_light,
255,
));
for ls in &self.light_sources {
let (x, y) = (
ls.pos.x as i32 - self.camera_offset.x as i32,
@ -140,7 +149,7 @@ impl Default for GameState {
current_biome: Biome::Surface,
prev_biome: Biome::Surface,
worldgen: Worldgen::default(),
ambient_light: 1.0,
ambient_light: 0,
clock: Clock::start(),
light_sources: Vec::new(),
}