c2b447610c
Unveränderter Ausgangsstand inklusive Masterprompt und Konzeptbildern unter assets/. .godot/ und docs/screenshots/ bleiben laut .gitignore unversioniert; letztere sind unter ../backups gesichert. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
32 lines
1,011 B
Text
32 lines
1,011 B
Text
shader_type spatial;
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render_mode diffuse_burley, specular_disabled;
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uniform sampler2D limestone : source_color, filter_linear_mipmap_anisotropic, repeat_enable;
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uniform vec3 stone_color : source_color = vec3(.23, .24, .27);
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uniform bool build_tile = false;
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varying vec3 world_position;
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float grain(vec2 p) {
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return fract(sin(dot(p, vec2(127.1, 311.7))) * 43758.5453);
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}
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void vertex() {
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world_position = (MODEL_MATRIX * vec4(VERTEX, 1.0)).xyz;
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}
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void fragment() {
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vec2 p = world_position.xz;
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float fine = grain(floor(p * 38.0));
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float slabs = grain(floor(p / 2.0));
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vec2 cell = abs(fract(p / 2.0) - .5);
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float seam = smoothstep(.478, .498, max(cell.x, cell.y));
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vec2 edge = min(UV, 1.0 - UV);
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float rim = 1.0 - smoothstep(.008, .025, min(edge.x, edge.y));
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vec3 surface = texture(limestone, p * .26).rgb;
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ALBEDO = stone_color * (.73 + surface * .6 + slabs * .08);
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ALBEDO *= 1.0 - seam * (build_tile ? .06 : .35);
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if (build_tile) {
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ALBEDO += vec3(.045, .055, .040) * rim;
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}
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ROUGHNESS = .93;
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}
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