Files
academy2-game/scenes/clothes/cloth.shader
2021-10-26 23:28:01 +03:00

67 lines
2.0 KiB
GLSL

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 alpha_scissor_threshold;
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 sampler2D texture_normal : hint_normal;
uniform float normal_scale : hint_range(-16,16);
uniform vec3 uv1_scale;
uniform vec3 uv1_offset;
uniform vec3 uv2_scale;
uniform vec3 uv2_offset;
vec3 rgb2hsv(vec3 c)
{
vec4 K = vec4(0.0, -1.0 / 3.0, 2.0 / 3.0, -1.0);
vec4 p = mix(vec4(c.bg, K.wz), vec4(c.gb, K.xy), step(c.b, c.g));
vec4 q = mix(vec4(p.xyw, c.r), vec4(c.r, p.yzx), step(p.x, c.r));
float d = q.x - min(q.w, q.y);
float e = 1.0e-10;
return vec3(abs(q.z + (q.w - q.y) / (6.0 * d + e)), d / (q.x + e), q.x);
}
vec3 hsv2rgb(vec3 c)
{
vec4 K = vec4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0);
vec3 p = abs(fract(c.xxx + K.xyz) * 6.0 - K.www);
return c.z * mix(K.xxx, clamp(p - K.xxx, 0.0, 1.0), c.y);
}
void vertex() {
UV=UV*uv1_scale.xy+uv1_offset.xy;
}
void fragment() {
vec2 base_uv = UV;
vec4 albedo_tex = texture(texture_albedo,base_uv);
vec3 albedo_hsv = rgb2hsv(albedo_tex.rgb);
albedo_hsv.x = 0.0;
vec4 albedo_rgb = vec4(hsv2rgb(albedo_hsv), albedo_tex.a);
albedo_tex = albedo_rgb * COLOR;
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;
NORMALMAP = texture(texture_normal,base_uv).rgb;
NORMALMAP_DEPTH = normal_scale;
ALPHA = albedo.a * albedo_tex.a;
ALPHA_SCISSOR=alpha_scissor_threshold;
}