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fix snow

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Overside srl
2026-05-10 11:01:22 +02:00
parent 040ded5f0b
commit 2aa7d1f7d4
30 changed files with 252 additions and 147 deletions
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28
core/daynight/weather_overlay.gdshader
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@@ -3,7 +3,7 @@ render_mode blend_mix, depth_draw_never;
//Snow globals
global uniform float global_snow_start_time = -1.0;
global uniform float global_snow_accumulation_speed = 0.1;
global uniform float global_snow_accumulation_speed = 0.005;
global uniform float global_snow_melt_time = -1.0;
global uniform float global_snow_melt_speed = 0.1;
global uniform float global_snow_amount = 0.0;
@@ -72,18 +72,15 @@ float fbm(vec2 p) {
}
float get_snow_progress() {
bool has_snow_timeline = global_snow_start_time >= 0.0 || global_snow_melt_time >= 0.0;
float snow_progress = clamp(global_snow_amount, 0.0, 1.0);
if (has_snow_timeline) {
snow_progress = 0.0;
if (global_snow_start_time >= 0.0) {
snow_progress = clamp((TIME - global_snow_start_time) * global_snow_accumulation_speed, 0.0, 1.0);
}
if (global_snow_melt_time >= 0.0) {
float melt = clamp((TIME - global_snow_melt_time) * global_snow_melt_speed, 0.0, 1.0);
snow_progress *= (1.0 - melt);
}
if (global_snow_start_time >= 0.0) {
float timed_progress = clamp((TIME - global_snow_start_time) * global_snow_accumulation_speed, 0.0, 1.0);
snow_progress = max(snow_progress, timed_progress);
}
if (global_snow_melt_time >= 0.0) {
float melt = clamp((TIME - global_snow_melt_time) * global_snow_melt_speed, 0.0, 1.0);
snow_progress = min(snow_progress, 1.0 - melt);
}
return snow_progress;
@@ -130,12 +127,13 @@ void fragment() {
float snow_edge = smoothstep(
global_snow_threshold - snow_edge_softness,
global_snow_threshold + snow_edge_softness,
facing_up + (noise_val - 0.5) * 0.4
facing_up
);
float flat_accumulation = smoothstep(0.0, 0.35, v_snow_cap_mask) * snow_accumulation;
float snow_coverage = smoothstep(0.0, 0.6, noise_val + snow_progress - 0.4 + flat_accumulation * 0.25);
float snow_factor = max(snow_edge * snow_coverage * snow_progress, flat_accumulation);
float snow_opacity = smoothstep(0.04, 0.28, snow_factor);
float snow_variation = mix(0.75, 1.15, noise_val);
float snow_coverage = clamp(snow_progress * snow_variation + flat_accumulation * 0.25, 0.0, 1.0);
float snow_factor = max(snow_edge * snow_coverage, flat_accumulation);
float snow_opacity = clamp(snow_factor, 0.0, 1.0);
snow_opacity = max(snow_opacity, flat_accumulation * 0.9);
float shade = mix(-snow_color_variation, snow_color_variation, noise_val);