Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | 1x 78x 26x 8x 18x 12x 6x | import { quat, mat4, vec3 } from 'gl-matrix';
// Labels used to encode handle position in the handle state's name property
export const AXES = ['-', '=', '+'];
// ----------------------------------------------------------------------------
export function transformVec3(ain, transform) {
const vout = new Float64Array(3);
vec3.transformMat4(vout, ain, transform);
return vout;
}
// ----------------------------------------------------------------------------
export function rotateVec3(vec, transform) {
// transform is a mat4
const out = vec3.create();
const q = quat.create();
mat4.getRotation(q, transform);
vec3.transformQuat(out, vec, q);
return out;
}
// ----------------------------------------------------------------------------
export function handleTypeFromName(name) {
const [i, j, k] = name.split('').map((l) => AXES.indexOf(l) - 1);
if (i * j * k !== 0) {
return 'corners';
}
if (i * j !== 0 || j * k !== 0 || k * i !== 0) {
return 'edges';
}
return 'faces';
}
export function calculateCropperCenter(planes, transform) {
// get center of current crop box
const center = [
(planes[0] + planes[1]) / 2,
(planes[2] + planes[3]) / 2,
(planes[4] + planes[5]) / 2,
];
return transformVec3(center, transform);
}
export function calculateDirection(v1, v2) {
const direction = vec3.create();
vec3.subtract(direction, v1, v2);
vec3.normalize(direction, direction);
return direction;
}
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