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 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 | 1x 452042x 63x | /**
* Represents the position relative to the terrain.
*
* @enum {number}
*/
const HeightReference = {
/**
* The position is absolute.
* @type {number}
* @constant
*/
NONE: 0,
/**
* The position is clamped to the terrain and 3D Tiles. When clamping to 3D Tilesets such as photorealistic 3D Tiles, ensure the tileset has {@link Cesium3DTileset#enableCollision} set to <code>true</code>. Otherwise, the entity may not be correctly clamped to the tileset surface.
* @type {number}
* @constant
*/
CLAMP_TO_GROUND: 1,
/**
* The position height is the height above the terrain and 3D Tiles.
* @type {number}
* @constant
*/
RELATIVE_TO_GROUND: 2,
/**
* The position is clamped to terain.
* @type {number}
* @constant
*/
CLAMP_TO_TERRAIN: 3,
/**
* The position height is the height above terrain.
* @type {number}
* @constant
*/
RELATIVE_TO_TERRAIN: 4,
/**
* The position is clamped to 3D Tiles.
* @type {number}
* @constant
*/
CLAMP_TO_3D_TILE: 5,
/**
* The position height is the height above 3D Tiles.
* @type {number}
* @constant
*/
RELATIVE_TO_3D_TILE: 6,
};
export default Object.freeze(HeightReference);
/**
* Returns true if the height should be clamped to the surface
* @param {HeightReference} heightReference
* @returns true if the height should be clamped to the surface
* @private
*/
export function isHeightReferenceClamp(heightReference) {
return (
heightReference === HeightReference.CLAMP_TO_GROUND ||
heightReference === HeightReference.CLAMP_TO_3D_TILE ||
heightReference === HeightReference.CLAMP_TO_TERRAIN
);
}
/**
* Returns true if the height should be offset relative to the surface
* @param {HeightReference} heightReference
* @returns true if the height should be offset relative to the surface
* @private
*/
export function isHeightReferenceRelative(heightReference) {
return (
heightReference === HeightReference.RELATIVE_TO_GROUND ||
heightReference === HeightReference.RELATIVE_TO_3D_TILE ||
heightReference === HeightReference.RELATIVE_TO_TERRAIN
);
}
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