Jerry
46 lines
1.9 KiB
JavaScript
46 lines
1.9 KiB
JavaScript
const GLSL = `
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float sdf(vec3 p) {
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float field = implicit_tpms_neovius(p, vec3(period), vec3(1.0), schwarzBlend);
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float shell = implicit_shell(field * period * 0.13, wallThickness, 0.0);
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float cube = implicit_box_centered(p, vec3(cellSize), vec3(0.0));
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return implicit_intersect_round(shell, cube, 1.5);
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}
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vec3 color(vec3 p, vec3 normal) {
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vec3 folded = abs(implicit_repeat_centered(p, vec3(period)));
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float node = smoothstep(period * 0.18, period * 0.48, length(folded));
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float glow = pow(max(dot(normal, normalize(vec3(0.35, -0.4, 0.84))), 0.0), 2.0);
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return mix(baseColor * (0.68 + 0.32 * glow), accentColor, node * 0.72);
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}
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`;
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export default {
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schema: "implicit.js/0.1.0",
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name: "neovius porosity cell",
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description: "Prompt 8: Neovius periodic implicit surface with complex internal channels.",
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units: "mm",
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params: {
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cellSize: { type: "number", label: "Cell size", min: 30, max: 80, step: 1, default: 56, unit: "mm" },
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period: { type: "number", label: "Period", min: 14, max: 36, step: 0.5, default: 23, unit: "mm" },
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wallThickness: { type: "number", label: "Wall thickness", min: 0.8, max: 6, step: 0.1, default: 2.3, unit: "mm" },
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schwarzBlend: { type: "number", label: "Schwarz blend", min: 0, max: 1, step: 0.02, default: 0.22 },
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baseColor: { type: "color", label: "Channel color", default: "#20e6b8" },
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accentColor: { type: "color", label: "Node color", default: "#ffe45c" }
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},
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animations: {
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channelBloom: {
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label: "Channel bloom",
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duration: 6.4,
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loop: true,
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update({ progress, set }) {
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const wave = Math.sin(progress * Math.PI * 2);
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set("wallThickness", 1.4 + (wave * 0.5 + 0.5) * 4.2);
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set("schwarzBlend", 0.08 + (1 - Math.abs(wave)) * 0.74);
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}
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}
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},
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bounds: [[-46, -46, -46], [46, 46, 46]],
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render: { steps: 316, epsilon: 0.005, normalEpsilon: 0.055 },
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glsl: GLSL
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};
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