giants-godot/realistic_water_shader/art/seaweed/Seaweed.shader
2021-09-17 15:04:05 +02:00

49 lines
1.2 KiB
GLSL

shader_type spatial;
render_mode blend_mix, depth_draw_opaque, cull_disabled, diffuse_burley, specular_schlick_ggx;
uniform sampler2D albedo_sampler : hint_albedo;
uniform sampler2D roughness_sampler : hint_white;
uniform sampler2D normal_sampler : hint_normal;
uniform float scale = 1.0;
uniform float wind_speed = 0.5;
uniform float wind_strength = 0.3;
uniform vec2 wind_direction = vec2(0.6 , 0.0);
void vertex()
{
vec4 vertex = vec4(VERTEX * scale, 1.0);
vec3 vertex_world = (WORLD_MATRIX * vertex).xyz;
vec2 wind_flow = wind_direction * TIME * wind_speed;
float wind = ((cos(vertex.x + wind_flow.x)+cos(vertex.z + wind_flow.y)) * 0.25) * wind_strength;
float f = dot(wind_direction, vertex.xz);
vertex.x += wind_direction.x * wind * (vertex.y) * cos(f);
vertex.z += wind_direction.y * wind * (vertex.y) * cos(f);
VERTEX = vertex.xyz;
}
void fragment()
{
vec2 base_uv = UV;
vec4 albedo_tex = texture(albedo_sampler, base_uv);
if (albedo_tex.a < 0.6) { discard;}
ALBEDO = albedo_tex.rgb;
METALLIC = 0.2;
ROUGHNESS = 0.5+texture(roughness_sampler, base_uv).r*0.4;
SPECULAR = 0.5;
NORMALMAP = texture(normal_sampler, base_uv).rgb;
NORMALMAP_DEPTH = 0.75;
TRANSMISSION = vec3(0.8);
}