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chore: default tabs

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Nathan Walker
2020-07-09 23:46:02 -07:00
parent 8100cf7089
commit 41f0573d8e
353 changed files with 55344 additions and 55344 deletions
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62
nativescript-core/matrix/index.ts
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@@ -5,52 +5,52 @@ import { radiansToDegrees, degreesToRadians } from '../utils/number-utils';
export const getTransformMatrix = ({ property, value }) => TRANSFORM_MATRIXES[property](value);
const TRANSFORM_MATRIXES = {
scale: ({ x, y }) => [x, 0, 0, 0, y, 0, 0, 0, 1],
translate: ({ x, y }) => [1, 0, x, 0, 1, y, 0, 0, 1],
rotate: ({ x, y, z }) => {
// TODO: Handle rotations over X and Y axis
const radZ = degreesToRadians(z);
const cosZ = Math.cos(radZ);
const sinZ = Math.sin(radZ);
scale: ({ x, y }) => [x, 0, 0, 0, y, 0, 0, 0, 1],
translate: ({ x, y }) => [1, 0, x, 0, 1, y, 0, 0, 1],
rotate: ({ x, y, z }) => {
// TODO: Handle rotations over X and Y axis
const radZ = degreesToRadians(z);
const cosZ = Math.cos(radZ);
const sinZ = Math.sin(radZ);
return [cosZ, -sinZ, 0, sinZ, cosZ, 0, 0, 0, 1];
},
return [cosZ, -sinZ, 0, sinZ, cosZ, 0, 0, 0, 1];
},
};
export const matrixArrayToCssMatrix = (m: number[]) => [m[0], m[3], m[1], m[4], m[2], m[5]];
export function multiplyAffine2d(m1: number[], m2: number[]): number[] {
return [m1[0] * m2[0] + m1[1] * m2[3], m1[0] * m2[1] + m1[1] * m2[4], m1[0] * m2[2] + m1[1] * m2[5] + m1[2], m1[3] * m2[0] + m1[4] * m2[3], m1[3] * m2[1] + m1[4] * m2[4], m1[3] * m2[2] + m1[4] * m2[5] + m1[5]];
return [m1[0] * m2[0] + m1[1] * m2[3], m1[0] * m2[1] + m1[1] * m2[4], m1[0] * m2[2] + m1[1] * m2[5] + m1[2], m1[3] * m2[0] + m1[4] * m2[3], m1[3] * m2[1] + m1[4] * m2[4], m1[3] * m2[2] + m1[4] * m2[5] + m1[5]];
}
// TODO: Decompose rotations over X and Y axis
export function decompose2DTransformMatrix(matrix: number[]): TransformFunctionsInfo {
verifyTransformMatrix(matrix);
verifyTransformMatrix(matrix);
const [A, B, C, D, E, F] = [...matrix];
const determinant = A * D - B * C;
const translate = { x: E || 0, y: F || 0 };
const [A, B, C, D, E, F] = [...matrix];
const determinant = A * D - B * C;
const translate = { x: E || 0, y: F || 0 };
// rewrite with obj destructuring using the identity matrix
let rotate = 0;
let scale = { x: 1, y: 1 };
if (A || B) {
const R = Math.sqrt(A * A + B * B);
rotate = B > 0 ? Math.acos(A / R) : -Math.acos(A / R);
scale = { x: R, y: determinant / R };
} else if (C || D) {
const R = Math.sqrt(C * C + D * D);
rotate = Math.PI / 2 - (D > 0 ? Math.acos(-C / R) : -Math.acos(C / R));
scale = { x: determinant / R, y: R };
}
// rewrite with obj destructuring using the identity matrix
let rotate = 0;
let scale = { x: 1, y: 1 };
if (A || B) {
const R = Math.sqrt(A * A + B * B);
rotate = B > 0 ? Math.acos(A / R) : -Math.acos(A / R);
scale = { x: R, y: determinant / R };
} else if (C || D) {
const R = Math.sqrt(C * C + D * D);
rotate = Math.PI / 2 - (D > 0 ? Math.acos(-C / R) : -Math.acos(C / R));
scale = { x: determinant / R, y: R };
}
rotate = radiansToDegrees(rotate);
rotate = radiansToDegrees(rotate);
return { translate, rotate: { x: 0, y: 0, z: rotate }, scale };
return { translate, rotate: { x: 0, y: 0, z: rotate }, scale };
}
function verifyTransformMatrix(matrix: number[]) {
if (matrix.length < 6) {
throw new Error('Transform matrix should be 2x3.');
}
if (matrix.length < 6) {
throw new Error('Transform matrix should be 2x3.');
}
}