リファレンス

リアルな地球の計算部分

import { … } from "@johnmorrisdotca/chikyu-earth/realistic";

リファレンスの説明と例は英語です。見出しと目次は日本語です。

エクスポート

名前	種類	概要
`ATMOSPHERE_OUTER`	定数	The glow reaches this many radii from the centre; the globe at 1x is drawn to fit inside it.
`chooseTier`	関数	The width to hold for a layer when the globe's disc has radius `radiusPx` device pixels: the smallest shipped width that gives `TEXELS_PER_RADIUS_PIXEL` texels per pixel, else the largest, never more than `cap`, never less than the smallest.
`createGate`	関数	A rate gate for the draw: asks that come faster than `minMs` apart become one, and the last ask is never lost, so a burst of changes costs one draw.
`discRadius`	関数	The disc's radius in CSS pixels in a box of `width` x `height` at `zoom`: it fits the glow in the box at 1x.
`frameCap`	関数	The frame rate cap for this device: `maxFps` (30 by default), lower on a small device.
`Gate`	型	A rate gate for the draw: what `createGate` returns.
`julianDay`	関数	Julian day number of a moment in milliseconds since the Unix epoch.
`Layer`	型	One of the pictures the realistic Earth and the space view draw with: `day`, `night`, `clouds`, `water` and `moon`.
`LightMode`	型	How the Earth is lit: `sun` (the true light, with the night side dark and the city lights on it), `lit` (always lit, as if by daylight from the camera's side, the day picture and no city lights: the night side is never a black frame) or `boost` (the true terminator, with the night side raised so the land and coasts read).
`lookAt`	関数	Where the view is centred on the globe: the home centre, turned by yaw (west) and tipped by tilt (south), held to the poles; a drag right is yaw and a drag up is tilt, and the ground follows the pointer.
`MAX_TEXTURE`	定数	The most pixels across a texture the package ever asks the GPU for.
`subsolarPoint`	関数	The point where the Sun is at the zenith at `ms`: latitude is the Sun's declination, longitude runs west at 15 degrees an hour.
`TEXELS_PER_RADIUS_PIXEL`	定数	Texels across the whole circumference wanted per device pixel of the globe's radius: 3 is a little under 2 pi, so a texel is a little larger than a pixel.
`textureBytes`	関数	Bytes of GPU memory a texture of this width costs, with its mipmaps, at 4 bytes a pixel (the most it can be).
`textureCap`	関数	The cap for this device: low-memory phones stop at 2048, and the GPU's own limit and the option are never passed.
`ThreeParts`	型	The parts of three.js the Earth and the space view use.
`TIERS`	定数	The widths each layer is shipped in (every picture is 2:1, so the height is half).
`unitVector`	関数	A point on the globe as a unit vector: +z is longitude 0 on the equator, +x east, +y north.

ソースを見る GitHub で編集@johnmorrisdotca/chikyu-earth 0.11.0 のソースから作成しました。

この日本語は、まだ日本語を母語とする方の確認を受けていません。訂正を歓迎します。