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terrain.tscn
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[gd_scene load_steps=4 format=2]
[sub_resource type="PlaneMesh" id=1]
size = Vector2( 10, 10 )
subdivide_width = 30
subdivide_depth = 30
[sub_resource type="Shader" id=2]
code = "shader_type spatial;
render_mode blend_mix,depth_draw_opaque,cull_back,diffuse_burley,specular_schlick_ggx;
uniform vec4 albedo : hint_color;
uniform sampler2D texture_albedo : hint_albedo;
uniform float specular;
uniform float metallic;
uniform float roughness : hint_range(0,1);
uniform float point_size : hint_range(0,128);
uniform sampler2D texture_metallic : hint_white;
uniform vec4 metallic_texture_channel;
uniform sampler2D texture_roughness : hint_white;
uniform vec4 roughness_texture_channel;
uniform vec3 uv1_scale;
uniform vec3 uv1_offset;
uniform vec3 uv2_scale;
uniform vec3 uv2_offset;
vec3 mod289_3(vec3 x) {
return x - floor(x * (1.0 / 289.0)) * 289.0;
}
vec2 mod289_2(vec2 x) {
return x - floor(x * (1.0 / 289.0)) * 289.0;
}
vec3 permute(vec3 x) {
return mod289_3(((x*34.0)+1.0)*x);
}
float snoise(vec2 v) {
vec4 C = vec4(0.211324865405187, // (3.0-sqrt(3.0))/6.0
0.366025403784439, // 0.5*(sqrt(3.0)-1.0)
-0.577350269189626, // -1.0 + 2.0 * C.x
0.024390243902439); // 1.0 / 41.0
// First corner
vec2 i = floor(v + dot(v, C.yy) );
vec2 x0 = v - i + dot(i, C.xx);
// Other corners
vec2 i1;
//i1.x = step( x0.y, x0.x ); // x0.x > x0.y ? 1.0 : 0.0
//i1.y = 1.0 - i1.x;
i1 = (x0.x > x0.y) ? vec2(1.0, 0.0) : vec2(0.0, 1.0);
// x0 = x0 - 0.0 + 0.0 * C.xx ;
// x1 = x0 - i1 + 1.0 * C.xx ;
// x2 = x0 - 1.0 + 2.0 * C.xx ;
vec4 x12 = vec4(x0.xy, x0.xy) + C.xxzz;
x12.xy -= i1;
// Permutations
i = mod289_2(i); // Avoid truncation effects in permutation
vec3 p = permute( permute( i.y + vec3(0.0, i1.y, 1.0 ))
+ i.x + vec3(0.0, i1.x, 1.0 ));
vec3 m = max(0.5 - vec3(dot(x0,x0), dot(x12.xy,x12.xy), dot(x12.zw,x12.zw)), vec3(0.0));
m = m*m ;
m = m*m ;
// Gradients: 41 points uniformly over a line, mapped onto a diamond.
// The ring size 17*17 = 289 is close to a multiple of 41 (41*7 = 287)
vec3 x = 2.0 * fract(p * C.www) - 1.0;
vec3 h = abs(x) - 0.5;
vec3 ox = floor(x + 0.5);
vec3 a0 = x - ox;
// Normalise gradients implicitly by scaling m
// Approximation of: m *= inversesqrt( a0*a0 + h*h );
m *= 1.79284291400159 - 0.85373472095314 * ( a0*a0 + h*h );
// Compute final noise value at P
vec3 g;
g.x = a0.x * x0.x + h.x * x0.y;
g.yz = a0.yz * x12.xz + h.yz * x12.yw;
return 130.0 * dot(m, g);
}
void vertex() {
UV=UV*uv1_scale.xy+uv1_offset.xy;
VERTEX=vec3(VERTEX.x, snoise(VERTEX.xz), VERTEX.z);
}
void fragment() {
vec2 base_uv = UV;
vec4 albedo_tex = texture(texture_albedo,base_uv);
ALBEDO = albedo.rgb * albedo_tex.rgb;
float metallic_tex = dot(texture(texture_metallic,base_uv),metallic_texture_channel);
METALLIC = metallic_tex * metallic;
float roughness_tex = dot(texture(texture_roughness,base_uv),roughness_texture_channel);
ROUGHNESS = roughness_tex * roughness;
SPECULAR = specular;
}
"
[sub_resource type="ShaderMaterial" id=3]
render_priority = 0
shader = SubResource( 2 )
shader_param/albedo = Color( 0.722656, 0.16318, 0.16318, 1 )
shader_param/specular = 0.5
shader_param/metallic = 0.0
shader_param/roughness = 0.0
shader_param/point_size = 1.0
shader_param/metallic_texture_channel = Plane( 1, 0, 0, 0 )
shader_param/roughness_texture_channel = Plane( 1, 0, 0, 0 )
shader_param/uv1_scale = Vector3( 1, 1, 1 )
shader_param/uv1_offset = Vector3( 0, 0, 0 )
shader_param/uv2_scale = Vector3( 1, 1, 1 )
shader_param/uv2_offset = Vector3( 0, 0, 0 )
_sections_unfolded = [ "shader_param" ]
[node name="terrain" type="MeshInstance" index="0"]
editor/display_folded = true
layers = 1
material_override = null
cast_shadow = 1
extra_cull_margin = 0.0
use_in_baked_light = false
lod_min_distance = 0.0
lod_min_hysteresis = 0.0
lod_max_distance = 0.0
lod_max_hysteresis = 0.0
mesh = SubResource( 1 )
skeleton = NodePath("..")
material/0 = SubResource( 3 )
_sections_unfolded = [ "material" ]
[node name="DirectionalLight" type="DirectionalLight" parent="." index="0"]
transform = Transform( 0.801271, 0.368774, -0.471137, 0, 0.787458, 0.616368, 0.598301, -0.493878, 0.630967, 0, 2.95157, 0 )
layers = 1
light_color = Color( 1, 1, 1, 1 )
light_energy = 1.0
light_indirect_energy = 1.0
light_negative = false
light_specular = 0.5
light_bake_mode = 1
light_cull_mask = -1
shadow_enabled = false
shadow_color = Color( 0, 0, 0, 1 )
shadow_bias = 0.1
shadow_contact = 0.0
shadow_reverse_cull_face = false
editor_only = false
directional_shadow_mode = 2
directional_shadow_split_1 = 0.1
directional_shadow_split_2 = 0.2
directional_shadow_split_3 = 0.5
directional_shadow_blend_splits = false
directional_shadow_normal_bias = 0.8
directional_shadow_bias_split_scale = 0.25
directional_shadow_depth_range = 0
directional_shadow_max_distance = 200.0