Jerry
53 lines
1.9 KiB
JavaScript
53 lines
1.9 KiB
JavaScript
const GLSL = `
|
|
float sdf(vec3 p) {
|
|
float field = implicit_tpms_schwarz(p, vec3(cellSize), vec3(1.0), 0.0) + fieldOffset;
|
|
float shell = implicit_shell(field, wallThickness, 0.0);
|
|
float cell = implicit_box_centered(p, vec3(cellSize), vec3(0.0));
|
|
return max(shell, cell) * fieldScale;
|
|
}
|
|
|
|
|
|
vec3 color(vec3 p, vec3 normal) {
|
|
float chamber = 0.5 + 0.5 * cos((p.x + p.y - p.z) * 0.085);
|
|
return mix(baseColor, accentColor, chamber);
|
|
}
|
|
`;
|
|
|
|
export default {
|
|
schema: "implicit.js/0.1.0",
|
|
name: "Schwarz P unit cell",
|
|
description: "Finite-thickness Schwarz P triply periodic shell clipped to one cubic unit cell.",
|
|
units: "mm",
|
|
params: {
|
|
cellSize: { type: "number", label: "Cell size", min: 32, max: 72, step: 0.5, default: 48, unit: "mm" },
|
|
wallThickness: { type: "number", label: "Wall thickness", min: 1.2, max: 7, step: 0.1, default: 3.5, unit: "mm" },
|
|
fieldOffset: { type: "number", label: "Field offset", min: -0.8, max: 0.8, step: 0.02, default: 0 },
|
|
fieldScale: { type: "number", label: "Field scale", min: 0.35, max: 0.9, step: 0.01, default: 0.52 },
|
|
baseColor: { type: "color", label: "Chamber color", default: "#58a6ff" },
|
|
accentColor: { type: "color", label: "Mint color", default: "#a7ffdf" }
|
|
},
|
|
animations: {
|
|
chamberPulse: {
|
|
label: "Chamber pulse",
|
|
duration: 5.4,
|
|
loop: true,
|
|
update({ progress, set }) {
|
|
const wave = Math.sin(progress * Math.PI * 2);
|
|
set("wallThickness", 3.5 + wave * 2.0);
|
|
set("fieldOffset", wave * 0.45);
|
|
set("fieldScale", 0.52 + wave * 0.16);
|
|
}
|
|
}
|
|
},
|
|
bounds: ({ params }) => {
|
|
const half = params.cellSize / 2 + Math.max(params.wallThickness, 3);
|
|
return [[-half, -half, -half], [half, half, half]];
|
|
},
|
|
render: ({ params }) => ({
|
|
steps: 340,
|
|
epsilon: Math.max(0.005, params.cellSize * 0.00014),
|
|
normalEpsilon: Math.max(0.04, params.wallThickness * 0.014)
|
|
}),
|
|
glsl: GLSL
|
|
};
|