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fix snow and rain for grass

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Overside srl
2026-04-23 15:29:03 +02:00
parent 8b2cbab23b
commit 35618b5656
5 changed files with 57 additions and 27 deletions
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20
core/daynight/grass_leaves.gdshader
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@@ -8,7 +8,10 @@ global uniform float global_wind_speed;
global uniform float global_wind_strength;
global uniform vec2 global_wind_direction;
//global uniform sampler2D global_wind_noise : filter_linear_mipmap;
global uniform float global_snow_amount;
global uniform float global_snow_start_time;
global uniform float global_snow_accumulation_speed;
global uniform float global_snow_melt_time;
global uniform float global_snow_melt_speed;
// --- PARAMETRI ESTETICI ---
uniform bool billboard_enabled = true;
@@ -109,10 +112,19 @@ void fragment() {
float noise_sample = texture(color_variance_noise, v_world_pos.xz * variance_scale).r;
// Applichiamo la variazione al colore finale dell'erba
vec3 varied_grass_color = mix(v_final_color, variance_color.rgb, noise_sample * variance_intensity);
float snow_amount = 0.0;
if (global_snow_start_time >= 0.0) {
snow_amount = 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_amount *= (1.0 - melt);
}
float top_mask = 1.0 - shifted_uv.y;
float snow_mask = smoothstep(1.0 - global_snow_amount, 1.2 - global_snow_amount, top_mask);
snow_mask *= step(0.01, global_snow_amount);
float snow_mask = smoothstep(1.0 - snow_amount, 1.2 - snow_amount, top_mask);
snow_mask *= step(0.01, snow_amount);
vec3 dark_snow = snow_color.rgb * (1.0 - shadow_intensity);
vec3 shaded_snow = mix(dark_snow, snow_color.rgb, v_shade_factor);
@@ -131,4 +143,4 @@ void light() {
float shadow_factor = mix(1.0 - cast_shadow_strength, 1.0, ATTENUATION);
float cutoff_mask = smoothstep(0.0, 0.05, ATTENUATION);
DIFFUSE_LIGHT += (shadow_factor * LIGHT_COLOR) * cutoff_mask;
}
}