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Add scaleBoxBrushGeometryToSize function in brushes.js and brushes.ts

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Victor Giers
2026-04-05 02:37:15 +02:00
parent 67b435e3e2
commit a1d410d6d3
2 changed files with 126 additions and 0 deletions
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61
src/document/brushes.js
View File

@@ -139,6 +139,67 @@ export function deriveBoxBrushSizeFromGeometry(geometry) {
z: bounds.max.z - bounds.min.z
};
}
export function scaleBoxBrushGeometryToSize(geometry, size) {
const bounds = getBoxBrushGeometryLocalBounds(geometry);
const currentSize = deriveBoxBrushSizeFromGeometry(geometry);
if (!hasPositiveBoxSize(currentSize) || !hasPositiveBoxSize(size)) {
throw new Error("Box brush geometry size must remain positive on every axis.");
}
const center = {
x: (bounds.min.x + bounds.max.x) * 0.5,
y: (bounds.min.y + bounds.max.y) * 0.5,
z: (bounds.min.z + bounds.max.z) * 0.5
};
const scale = {
x: size.x / currentSize.x,
y: size.y / currentSize.y,
z: size.z / currentSize.z
};
return {
vertices: {
negX_negY_negZ: {
x: center.x + (geometry.vertices.negX_negY_negZ.x - center.x) * scale.x,
y: center.y + (geometry.vertices.negX_negY_negZ.y - center.y) * scale.y,
z: center.z + (geometry.vertices.negX_negY_negZ.z - center.z) * scale.z
},
posX_negY_negZ: {
x: center.x + (geometry.vertices.posX_negY_negZ.x - center.x) * scale.x,
y: center.y + (geometry.vertices.posX_negY_negZ.y - center.y) * scale.y,
z: center.z + (geometry.vertices.posX_negY_negZ.z - center.z) * scale.z
},
negX_posY_negZ: {
x: center.x + (geometry.vertices.negX_posY_negZ.x - center.x) * scale.x,
y: center.y + (geometry.vertices.negX_posY_negZ.y - center.y) * scale.y,
z: center.z + (geometry.vertices.negX_posY_negZ.z - center.z) * scale.z
},
posX_posY_negZ: {
x: center.x + (geometry.vertices.posX_posY_negZ.x - center.x) * scale.x,
y: center.y + (geometry.vertices.posX_posY_negZ.y - center.y) * scale.y,
z: center.z + (geometry.vertices.posX_posY_negZ.z - center.z) * scale.z
},
negX_negY_posZ: {
x: center.x + (geometry.vertices.negX_negY_posZ.x - center.x) * scale.x,
y: center.y + (geometry.vertices.negX_negY_posZ.y - center.y) * scale.y,
z: center.z + (geometry.vertices.negX_negY_posZ.z - center.z) * scale.z
},
posX_negY_posZ: {
x: center.x + (geometry.vertices.posX_negY_posZ.x - center.x) * scale.x,
y: center.y + (geometry.vertices.posX_negY_posZ.y - center.y) * scale.y,
z: center.z + (geometry.vertices.posX_negY_posZ.z - center.z) * scale.z
},
negX_posY_posZ: {
x: center.x + (geometry.vertices.negX_posY_posZ.x - center.x) * scale.x,
y: center.y + (geometry.vertices.negX_posY_posZ.y - center.y) * scale.y,
z: center.z + (geometry.vertices.negX_posY_posZ.z - center.z) * scale.z
},
posX_posY_posZ: {
x: center.x + (geometry.vertices.posX_posY_posZ.x - center.x) * scale.x,
y: center.y + (geometry.vertices.posX_posY_posZ.y - center.y) * scale.y,
z: center.z + (geometry.vertices.posX_posY_posZ.z - center.z) * scale.z
}
}
};
}
export function createDefaultBoxBrushGeometry(size = DEFAULT_BOX_BRUSH_SIZE) {
const halfSize = {
x: size.x * 0.5,

65
src/document/brushes.ts
View File

@@ -200,6 +200,71 @@ export function deriveBoxBrushSizeFromGeometry(geometry: BoxBrushGeometry): Vec3
};
}
export function scaleBoxBrushGeometryToSize(geometry: BoxBrushGeometry, size: Vec3): BoxBrushGeometry {
const bounds = getBoxBrushGeometryLocalBounds(geometry);
const currentSize = deriveBoxBrushSizeFromGeometry(geometry);
if (!hasPositiveBoxSize(currentSize) || !hasPositiveBoxSize(size)) {
throw new Error("Box brush geometry size must remain positive on every axis.");
}
const center = {
x: (bounds.min.x + bounds.max.x) * 0.5,
y: (bounds.min.y + bounds.max.y) * 0.5,
z: (bounds.min.z + bounds.max.z) * 0.5
};
const scale = {
x: size.x / currentSize.x,
y: size.y / currentSize.y,
z: size.z / currentSize.z
};
return {
vertices: {
negX_negY_negZ: {
x: center.x + (geometry.vertices.negX_negY_negZ.x - center.x) * scale.x,
y: center.y + (geometry.vertices.negX_negY_negZ.y - center.y) * scale.y,
z: center.z + (geometry.vertices.negX_negY_negZ.z - center.z) * scale.z
},
posX_negY_negZ: {
x: center.x + (geometry.vertices.posX_negY_negZ.x - center.x) * scale.x,
y: center.y + (geometry.vertices.posX_negY_negZ.y - center.y) * scale.y,
z: center.z + (geometry.vertices.posX_negY_negZ.z - center.z) * scale.z
},
negX_posY_negZ: {
x: center.x + (geometry.vertices.negX_posY_negZ.x - center.x) * scale.x,
y: center.y + (geometry.vertices.negX_posY_negZ.y - center.y) * scale.y,
z: center.z + (geometry.vertices.negX_posY_negZ.z - center.z) * scale.z
},
posX_posY_negZ: {
x: center.x + (geometry.vertices.posX_posY_negZ.x - center.x) * scale.x,
y: center.y + (geometry.vertices.posX_posY_negZ.y - center.y) * scale.y,
z: center.z + (geometry.vertices.posX_posY_negZ.z - center.z) * scale.z
},
negX_negY_posZ: {
x: center.x + (geometry.vertices.negX_negY_posZ.x - center.x) * scale.x,
y: center.y + (geometry.vertices.negX_negY_posZ.y - center.y) * scale.y,
z: center.z + (geometry.vertices.negX_negY_posZ.z - center.z) * scale.z
},
posX_negY_posZ: {
x: center.x + (geometry.vertices.posX_negY_posZ.x - center.x) * scale.x,
y: center.y + (geometry.vertices.posX_negY_posZ.y - center.y) * scale.y,
z: center.z + (geometry.vertices.posX_negY_posZ.z - center.z) * scale.z
},
negX_posY_posZ: {
x: center.x + (geometry.vertices.negX_posY_posZ.x - center.x) * scale.x,
y: center.y + (geometry.vertices.negX_posY_posZ.y - center.y) * scale.y,
z: center.z + (geometry.vertices.negX_posY_posZ.z - center.z) * scale.z
},
posX_posY_posZ: {
x: center.x + (geometry.vertices.posX_posY_posZ.x - center.x) * scale.x,
y: center.y + (geometry.vertices.posX_posY_posZ.y - center.y) * scale.y,
z: center.z + (geometry.vertices.posX_posY_posZ.z - center.z) * scale.z
}
}
};
}
export function createDefaultBoxBrushGeometry(size: Vec3 = DEFAULT_BOX_BRUSH_SIZE): BoxBrushGeometry {
const halfSize = {
x: size.x * 0.5,