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add fake shadow

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This commit is contained in:
Matteo Sonaglioni
2026-03-16 00:47:06 +01:00
parent ccdfba2878
commit 461a08aa6d
31 changed files with 725 additions and 94 deletions
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2
Materials/Fog.tres
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@@ -16,7 +16,7 @@ shader_parameter/use_red_as_alpha = true
shader_parameter/fog_color = Color(0.8, 0.85, 0.9, 0.5)
shader_parameter/scroll_speed = Vector2(0.01, 0.01)
shader_parameter/texture_scale = Vector2(1, 1)
shader_parameter/edge_softness_y = 0.5
shader_parameter/edge_softness_y = 0.16400000779
shader_parameter/edge_softness_x = 0.5
shader_parameter/night_intensity = 0.0
shader_parameter/sun_color = Color(1, 1, 1, 1)

5
Materials/House.tres
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@@ -12,11 +12,14 @@ shader_parameter/use_texture = true
shader_parameter/uv_scale = Vector2(1, 1)
shader_parameter/palette_shift_y = 0.0
shader_parameter/gradient_start_y = 0.0
shader_parameter/gradient_end_y = 5.0
shader_parameter/gradient_end_y = 10.0
shader_parameter/light_steps = 3.0
shader_parameter/step_softness = 0.1
shader_parameter/shadow_color = Color(0.4, 0.4, 0.6, 1)
shader_parameter/shadow_offset = 0.0
shader_parameter/cast_shadow_strength = 0.6
shader_parameter/specular_size = 20.000000475
shader_parameter/specular_softness = 0.10000000149012
shader_parameter/specular_intensity_multiplier = 1.0000000475
shader_parameter/emission_color = Color(0, 0, 0, 1)
shader_parameter/emission_energy = 0.0

5
Materials/House_Emissiv.tres
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@@ -11,10 +11,15 @@ shader_parameter/albedo_texture = ExtResource("2_b63ar")
shader_parameter/use_texture = true
shader_parameter/uv_scale = Vector2(1, 1)
shader_parameter/palette_shift_y = 0.0
shader_parameter/gradient_start_y = 0.0
shader_parameter/gradient_end_y = 10.0
shader_parameter/light_steps = 3.0
shader_parameter/step_softness = 0.1
shader_parameter/shadow_color = Color(0.4, 0.4, 0.6, 1)
shader_parameter/shadow_offset = 0.0
shader_parameter/cast_shadow_strength = 0.6
shader_parameter/specular_size = 60.0
shader_parameter/specular_softness = 0.01
shader_parameter/specular_intensity_multiplier = 0.5
shader_parameter/emission_color = Color(0.63321626, 0.34243506, 0, 1)
shader_parameter/emission_energy = 6.000000285

3
Materials/Legno.tres
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@@ -16,5 +16,8 @@ shader_parameter/step_softness = 0.1
shader_parameter/shadow_color = Color(0.4, 0.4, 0.6, 1)
shader_parameter/shadow_offset = 0.0
shader_parameter/cast_shadow_strength = 0.6
shader_parameter/specular_size = 60.0
shader_parameter/specular_softness = 0.01
shader_parameter/specular_intensity_multiplier = 0.5
shader_parameter/emission_color = Color(0, 0, 0, 1)
shader_parameter/emission_energy = 0.0

6
Materials/Treno1.tres
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@@ -8,10 +8,16 @@ shader = ExtResource("1_i3cgb")
shader_parameter/albedo_color = Color(0.16250518, 0.23871198, 0.21290374, 1)
shader_parameter/use_texture = true
shader_parameter/uv_scale = Vector2(1, 1)
shader_parameter/palette_shift_y = 0.0
shader_parameter/gradient_start_y = 0.0
shader_parameter/gradient_end_y = 10.0
shader_parameter/light_steps = 3.0
shader_parameter/step_softness = 0.1
shader_parameter/shadow_color = Color(0.4, 0.4, 0.6, 1)
shader_parameter/shadow_offset = 0.0
shader_parameter/cast_shadow_strength = 0.6
shader_parameter/specular_size = 60.0
shader_parameter/specular_softness = 0.01
shader_parameter/specular_intensity_multiplier = 0.5
shader_parameter/emission_color = Color(0, 0, 0, 1)
shader_parameter/emission_energy = 0.0

6
Materials/Treno2.tres
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@@ -8,10 +8,16 @@ shader = ExtResource("1_qkrhb")
shader_parameter/albedo_color = Color(0.2520276, 0.25202766, 0.25202763, 1)
shader_parameter/use_texture = true
shader_parameter/uv_scale = Vector2(1, 1)
shader_parameter/palette_shift_y = 0.0
shader_parameter/gradient_start_y = 0.0
shader_parameter/gradient_end_y = 10.0
shader_parameter/light_steps = 3.0
shader_parameter/step_softness = 0.1
shader_parameter/shadow_color = Color(0.4, 0.4, 0.6, 1)
shader_parameter/shadow_offset = 0.0
shader_parameter/cast_shadow_strength = 0.6
shader_parameter/specular_size = 60.0
shader_parameter/specular_softness = 0.01
shader_parameter/specular_intensity_multiplier = 0.5
shader_parameter/emission_color = Color(0, 0, 0, 1)
shader_parameter/emission_energy = 0.0

6
Materials/Treno3.tres
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@@ -8,10 +8,16 @@ shader = ExtResource("1_gtyqp")
shader_parameter/albedo_color = Color(0.40934297, 0.38911393, 0.34586716, 1)
shader_parameter/use_texture = true
shader_parameter/uv_scale = Vector2(1, 1)
shader_parameter/palette_shift_y = 0.0
shader_parameter/gradient_start_y = 0.0
shader_parameter/gradient_end_y = 5.0
shader_parameter/light_steps = 5.0
shader_parameter/step_softness = 0.00999999977648
shader_parameter/shadow_color = Color(0.4, 0.4, 0.6, 1)
shader_parameter/shadow_offset = 0.0
shader_parameter/cast_shadow_strength = 0.6
shader_parameter/specular_size = 60.0
shader_parameter/specular_softness = 0.01
shader_parameter/specular_intensity_multiplier = 0.5
shader_parameter/emission_color = Color(0, 0, 0, 1)
shader_parameter/emission_energy = 0.0

142
Materials/grass.gdshader Normal file
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@@ -0,0 +1,142 @@
shader_type spatial;
render_mode specular_disabled, cull_disabled, ambient_light_disabled;
// --- GLOBAL UNIFORMS (Vento e Neve) ---
global uniform float wind_scale;
global uniform float wind_speed;
global uniform float wind_strength;
global uniform vec3 wind_direction;
global uniform sampler2D wind_noise : filter_linear_mipmap;
global uniform float global_snow_amount;
// --- PARAMETRI ESTETICI ---
uniform bool billboard_enabled = true;
uniform bool wind_enabled = true;
uniform vec4 base_color : source_color = vec4(0.2, 0.6, 0.3, 1.0);
uniform sampler2D alpha_texture : source_color, filter_nearest;
uniform float leaves_scale = 1.0;
uniform float rotation_degrees = 0.0;
uniform vec2 texture_offset = vec2(0.0, 0.0);
uniform float opacity : hint_range(0.0, 1.0) = 1.0;
// --- PARAMETRI CHIAZZE ERBA (NOISE PATCHES) ---
// Inserisci qui una texture Noise (es. FastNoiseLite in Godot)
uniform sampler2D grass_noise : hint_default_white, filter_linear_mipmap;
uniform float noise_scale = 0.05; // Più è basso, più le chiazze sono grandi
uniform vec4 patch_color : source_color = vec4(0.1, 0.35, 0.2, 1.0); // Colore scuro della chiazza
uniform float patch_threshold : hint_range(0.0, 1.0) = 0.5; // Regola quanto sono estese le chiazze
uniform float patch_smoothness : hint_range(0.01, 1.0) = 0.2; // Morbidezza sfumatura ai bordi
uniform float patch_intensity : hint_range(0.0, 1.0) = 0.85; // Quanto è forte il colore della chiazza
uniform vec4 snow_color : source_color = vec4(0.85, 0.9, 0.95, 1.0);
// --- CONTROLLO GRADIENTE E RANDOM ---
uniform float height_min = 0.0;
uniform float height_max = 5.0;
uniform float shadow_intensity : hint_range(0.0, 1.0) = 0.5;
uniform float highlight_intensity : hint_range(0.0, 1.0) = 0.3;
uniform float light_steps : hint_range(1.0, 10.0) = 4.0;
uniform float random_mix : hint_range(0.0, 1.0) = 0.3;
uniform float cast_shadow_strength : hint_range(0.0, 1.0) = 0.6;
varying vec3 v_final_color;
varying float v_shade_factor;
float hash(vec3 p) {
p = fract(p * 0.1031);
p += dot(p, p.yzx + 33.33);
return fract((p.x + p.y) * p.z);
}
void vertex() {
vec3 instance_pos = MODEL_MATRIX[3].xyz;
// --- LOGICA VENTO ---
float total_angle = radians(rotation_degrees);
if (wind_enabled) {
float time = TIME * wind_speed;
vec2 noise_uv = (instance_pos.xz * wind_scale) + (time * wind_direction.xz * 0.5);
float noise_val = textureLod(wind_noise, noise_uv, 2.0).r;
float sway = sin(time + (noise_val * 10.0));
total_angle += (sway * wind_strength);
}
// --- CALCOLO COLORE BASE ---
float h_factor = clamp((instance_pos.y - height_min) / (height_max - height_min), 0.0, 1.0);
float leaf_rand = hash(instance_pos);
float combined_factor = mix(h_factor, leaf_rand, random_mix);
combined_factor = ceil(combined_factor * light_steps) / light_steps;
v_shade_factor = combined_factor;
vec3 dark_color = base_color.rgb * (1.0 - shadow_intensity);
vec3 light_color = base_color.rgb + (vec3(1.0) - base_color.rgb) * highlight_intensity;
vec3 base_grass_color = mix(dark_color, light_color, combined_factor);
// ---> LOGICA CHIAZZE ERBA (NOISE) <---
// Campioniamo il noise usando la posizione XZ del singolo ciuffo d'erba nel mondo.
// Usiamo textureLod con 0.0 perché siamo nel vertex shader.
float n_val = textureLod(grass_noise, instance_pos.xz * noise_scale, 0.0).r;
// Creiamo la maschera per la chiazza: liscia ai bordi, solida al centro.
float patch_mask = smoothstep(patch_threshold - patch_smoothness, patch_threshold + patch_smoothness, n_val);
// Mescoliamo il colore base dell'erba con il colore scuro della chiazza
v_final_color = mix(base_grass_color, patch_color.rgb, patch_mask * patch_intensity);
// --- LOGICA TRASFORMAZIONE ---
if (billboard_enabled) {
vec3 view_pos_origin = (VIEW_MATRIX * vec4(instance_pos, 1.0)).xyz;
vec2 offset = (UV - 0.5) * leaves_scale;
float c = cos(total_angle);
float s = sin(total_angle);
vec2 rotated_offset = vec2(offset.x * c - offset.y * s, offset.x * s + offset.y * c);
vec3 final_pos = view_pos_origin + vec3(rotated_offset.x, rotated_offset.y, 0.0);
MODELVIEW_MATRIX = mat4(1.0);
MODELVIEW_MATRIX[3].xyz = final_pos;
VERTEX = vec3(0.0);
} else {
float c = cos(total_angle);
float s = sin(total_angle);
vec2 local_v = (VERTEX.xy) * leaves_scale;
VERTEX.x = local_v.x * c - local_v.y * s;
VERTEX.y = local_v.x * s + local_v.y * c;
}
}
void fragment() {
vec2 shifted_uv = UV + texture_offset;
vec4 tex = texture(alpha_texture, shifted_uv);
// Trucco utile per non renderizzare i bordi trasparenti dei piani (opzionale)
if (tex.r * opacity < 0.5) {
discard;
}
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);
vec3 dark_snow = snow_color.rgb * (1.0 - shadow_intensity);
vec3 shaded_snow = mix(dark_snow, snow_color.rgb, v_shade_factor);
vec3 final_albedo = mix(v_final_color, shaded_snow, snow_mask);
ALBEDO = final_albedo;
// ALPHA = tex.r * opacity; -> Disabilitato se usi 'discard' sopra.
// ALPHA_SCISSOR_THRESHOLD = 0.5; -> Idem
ROUGHNESS = 0.02;
}
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;
}

1
Materials/grass.gdshader.uid Normal file
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@@ -0,0 +1 @@
uid://bpdgijwdxy7n2

2
Materials/grass.tres
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@@ -8,7 +8,7 @@ render_priority = 0
shader = ExtResource("1_528a5")
shader_parameter/billboard_enabled = true
shader_parameter/wind_enabled = true
shader_parameter/base_color = Color(0.19607843, 0.6117647, 0.26666668, 1)
shader_parameter/base_color = Color(0.4862745, 0.54509807, 0.29803923, 1)
shader_parameter/alpha_texture = ExtResource("2_4d6mx")
shader_parameter/leaves_scale = 0.5
shader_parameter/rotation_degrees = 180.0

4
Materials/leaves2_mat.tres
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@@ -16,8 +16,8 @@ shader_parameter/texture_offset = Vector2(0, 0)
shader_parameter/opacity = 1.0
shader_parameter/snow_color = Color(0.85, 0.9, 0.95, 1)
shader_parameter/height_min = 6.0
shader_parameter/height_max = 12.0
shader_parameter/shadow_intensity = 0.650000030875
shader_parameter/height_max = 11.0
shader_parameter/shadow_intensity = 0.800000038
shader_parameter/highlight_intensity = 0.0
shader_parameter/light_steps = 10.0
shader_parameter/random_mix = 0.0