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fix: remove common method and import from vrender-components

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This commit is contained in:
Howard Zhang 2024-03-28 11:48:34 +08:00
parent 88c3a620d7
commit 58cdaf2e3b
1 changed files with 7 additions and 102 deletions
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109
packages/vutils-extension/src/transform/tick-data/utils/polar-label-position.ts
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@ -1,52 +1,10 @@
import { ITextGraphicAttribute, getTextBounds } from '@visactor/vrender-core';
import { clampRadian, isGreater, isLess, polarToCartesian } from '@visactor/vutils';
interface IPoint {
x: number;
y: number;
}
type Vector2 = [number, number];
// FIXME: vrender 更新后，删掉重复方法，使用 vrender-component 中的方法
export const getVerticalCoord = (point: IPoint, center: IPoint, offset: number, inside: boolean): IPoint => {
const vector = getVerticalVector(offset, point, center, inside);
return {
x: point.x + vector[0],
y: point.y + vector[1]
};
};
export const getVerticalVector = (
offset: number,
point: IPoint,
center: IPoint,
inside = false,
axisInside = false
): [number, number] => {
const vector: [number, number] = [point.x - center.x, point.y - center.y];
return scale(vector, ((inside ? -1 : 1) * (axisInside ? -1 : 1) * offset) / length(vector));
};
/**
* Scales a vec2 by a scalar number
*/
export function scale(vector: Vector2, scale: number): Vector2 {
return [vector[0] * scale, vector[1] * scale];
}
/**
* Calculates the length of a vec2
*/
export function length(vector: Vector2) {
const [x, y] = vector;
return Math.sqrt(x * x + y * y);
}
import { ITextGraphicAttribute } from '@visactor/vrender-core';
import { getCircleLabelPosition, getCircleVerticalVector, getVerticalCoord } from '@visactor/vrender-components';
import { polarToCartesian } from '@visactor/vutils';
export function getLabelPos(
angle: number,
center: IPoint,
center: { x: number; y: number },
radius: number,
labelOffset: number,
inside: boolean,
@ -54,60 +12,7 @@ export function getLabelPos(
style: Partial<ITextGraphicAttribute>
) {
const point = polarToCartesian({ x: 0, y: 0 }, radius, angle);
const labelPoint = getVerticalCoord(point, center, labelOffset, inside);
const vector = getVerticalVector(labelOffset || 1, labelPoint, center, inside);
return getLabelPosition(labelPoint, vector, text, style);
}
export function getLabelPosition(
tickPosition: IPoint,
tickVector: [number, number],
text: string | number,
style: Partial<ITextGraphicAttribute>
) {
const labelBounds = getTextBounds({
text,
...style
});
const width = labelBounds.width();
const height = labelBounds.height();
const angle = clampRadian(Math.atan2(tickVector[1], tickVector[0])) - Math.PI;
const PI_3_4 = (Math.PI * 3) / 4;
const PI_1_4 = Math.PI / 4;
const PI_1_2 = Math.PI / 2;
// x
const baseX = tickPosition.x;
let dx = 0;
if (isInRange(angle, -PI_3_4, -PI_1_4)) {
dx = ((angle + PI_3_4) / PI_1_2 - 0.5) * width;
} else if (isInRange(angle, PI_1_4, PI_3_4)) {
dx = (0.5 - (angle - PI_1_4) / PI_1_2) * width;
} else if (Math.cos(angle) >= 0) {
dx = width * 0.5;
} else {
dx = -width * 0.5;
}
const x = baseX - dx;
const baseY = tickPosition.y;
let dy = 0;
if (isInRange(angle, -PI_3_4, -PI_1_4)) {
dy = -height * 0.5;
} else if (isInRange(angle, PI_1_4, PI_3_4)) {
dy = height * 0.5;
} else if (Math.cos(angle) >= 0) {
dy = (0.5 - (PI_1_4 - angle) / PI_1_2) * height;
} else {
dy = (0.5 - clampRadian(angle - PI_3_4) / PI_1_2) * height;
}
const y = baseY - dy;
return { x, y };
}
// 判断数值是否在制定范围内，包含误差
export function isInRange(a: number, min: number, max: number) {
return !isLess(a, min, 0, 1e-6) && !isGreater(a, max, 0, 1e-6);
const labelPoint = getVerticalCoord(point, getCircleVerticalVector(labelOffset, point, center, inside));
const vector = getCircleVerticalVector(labelOffset || 1, labelPoint, center, inside);
return getCircleLabelPosition(labelPoint, vector, text, style);
}