57 lines
1.7 KiB
Text
57 lines
1.7 KiB
Text
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shader_type spatial;
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render_mode blend_add, specular_disabled, ambient_light_disabled;
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/*
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noise1 = universe_noise.rg
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noise2 = universe_noise.ba
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*/
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uniform sampler2D universe_noise;
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/*
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stars = other_noise.r
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star_noise = other_noise.g
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gradient = other_noise.b
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*/
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uniform vec2 displace_gradient = vec2(0.0);
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uniform vec2 displace_stars = vec2(0.0);
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uniform float star_scale = 0.5;
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uniform sampler2D other_noise;
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uniform vec4 fog_color:hint_color = vec4(0.0, 0.0, 1.0, 1.0);
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uniform vec4 star_color:hint_color = vec4(1.0);
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uniform float strengh_noise1 = 3.0;
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uniform float strengh_noise2 = 3.0;
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uniform float strengh_star_noise = 0.5;
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uniform float time_scale_noise1 = 0.05;
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uniform float time_scale_noise2 = 0.05;
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uniform float time_scale_stars = 0.05;
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uniform float time_scale_star_noise = 0.2;
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// https://gist.github.com/ayamflow/c06bc0c8a64f985dd431bd0ac5b557cd
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vec2 rotateUV(vec2 uv, vec2 mid, float rotation)
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{
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return vec2(
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cos(rotation) * (uv.x - mid.x) + sin(rotation) * (uv.y - mid.y) + mid.x,
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cos(rotation) * (uv.y - mid.y) - sin(rotation) * (uv.x - mid.x) + mid.y
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);
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}
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void fragment() {
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ALBEDO = vec3(0.0);
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ALBEDO = fog_color.rgb * texture(other_noise, displace_gradient + UV +
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(
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texture(universe_noise, rotateUV(UV, vec2(0.0, 0.0), TIME * time_scale_noise1)).rg
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- vec2(.5)
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)
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* strengh_noise1
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+ (
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texture(universe_noise, rotateUV(UV, vec2(1.0, 1.0), TIME * time_scale_noise2)).ba
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- vec2(.5)
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)
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* strengh_noise2
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).b
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+ (star_color.rgb * (texture(other_noise, rotateUV(UV, vec2(0.0, 0.0), TIME * time_scale_noise2) ).r
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* max(0.0, sin(
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TIME * time_scale_star_noise
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* texture(other_noise, UV).g
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))));
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}
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