jpmschweitzerandClaude Fable 5
a7801a942a
New SR_LIVE sandbox scene: CharacterVisual composited in a 3D greybox world derived from server snapshots. Per-leg constant-velocity interpolation keyed to the stance throttle, 'server feet / client eyes' facing (wire octant while moving, client aim octant idle), cadence-synced gait state machine on AnimationPlayer custom blends, D-148 orthographic follow camera (-30deg default, T-cycle presets), sim-space grid shader, camera-side wall cutaway, accumulating never-evict tile store with four-state visibility tint. Additive seams only: InputMapper.facing_angle_provider (2D path unchanged), CharacterVisual.play_animation blend_time param + get_animation_player(). Visual harness gains per-scenario scene field + SR_AUTOPILOT input scripting. 210 new gdUnit assertions across five suites; verified live (230/230 total, clean smoke, screenshot at .cache/screenshots/locomotion_idle_live.png). Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
56 lines
2.6 KiB
Plaintext
56 lines
2.6 KiB
Plaintext
shader_type spatial;
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render_mode diffuse_lambert, specular_disabled;
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// T-1088 greybox floor (design §3.3) — sandbox-only.
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//
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// Per-instance visibility tint x world-space grid lines. The MultiMesh instance
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// color (use_colors, GreyboxWorld) arrives as the COLOR built-in and multiplies
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// albedo: white = Forward, 85% = Peripheral, 70% = BoundaryWall, dim cool grey =
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// Remembered (SandboxConstants.TINTS — §3.2).
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//
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// Grid: data is per-0.5 m subtile (D-066/D-222) but the floor must READ as 1 m
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// visual tiles (2x2 subtiles) — minor lines every 0.5 m (alpha 0.15), major
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// lines every 1.0 m (alpha 0.45). Lines are sampled in SIM space (u_sim_from_world
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// undoes the 45 deg WorldRoot rotation) so they land on tile edges; sampling raw
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// world space would draw the grid rotated 45 deg against the tiles. Continuous
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// across instances because sim space is shared. D-243's "voxel = 1 m" is
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// generation-cascade vocabulary — the 1 m visual tile exists ONLY as the major
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// lines here (§2).
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uniform vec3 u_base_albedo : source_color = vec3(0.52, 0.54, 0.58);
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uniform vec3 u_line_albedo : source_color = vec3(0.10, 0.11, 0.14);
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uniform float u_minor_spacing_m = 0.5;
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uniform float u_major_spacing_m = 1.0;
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uniform float u_minor_alpha = 0.15;
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uniform float u_major_alpha = 0.45;
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uniform float u_line_half_width_m = 0.02;
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// World -> sim-space transform; set by GreyboxWorld from its own inverse global
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// transform so the grid rotates WITH the tiles under the WorldRoot 45 deg.
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uniform mat4 u_sim_from_world = mat4(1.0);
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varying vec2 v_world_xz;
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void vertex() {
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// MODEL_MATRIX folds in the per-instance MultiMesh transform (incl. WorldRoot
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// rotation); u_sim_from_world undoes the scene rotation back to sim axes.
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v_world_xz = (u_sim_from_world * MODEL_MATRIX * vec4(VERTEX, 1.0)).xz;
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}
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// 1.0 on a grid line of the given spacing, 0.0 off it, one-fwidth AA edge.
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float line_mask(vec2 p, float spacing, float half_width) {
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vec2 dxy = abs(fract(p / spacing + 0.5) - 0.5) * spacing; // metres to nearest line
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float d = min(dxy.x, dxy.y);
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float aa = fwidth(d);
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return 1.0 - smoothstep(half_width - aa, half_width + aa, d);
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}
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void fragment() {
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float minor = line_mask(v_world_xz, u_minor_spacing_m, u_line_half_width_m) * u_minor_alpha;
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float major = line_mask(v_world_xz, u_major_spacing_m, u_line_half_width_m) * u_major_alpha;
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float line_a = max(minor, major); // major wins where the grids coincide
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vec3 tinted = u_base_albedo * COLOR.rgb;
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// Line color is tinted too, so remembered/peripheral tiles keep dim lines.
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ALBEDO = mix(tinted, u_line_albedo * COLOR.rgb, line_a);
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ROUGHNESS = 1.0;
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}
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