52 lines
1.8 KiB
TypeScript
52 lines
1.8 KiB
TypeScript
import { getObjectVoxelGroups } from "../graphics/voxelGroup";
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import type { ObjectInstance, ObjectType, RuntimeObjectInstance, RuntimeObjectType, V3, World } from "../../types";
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import { buildObjectTrimesh } from "../graphics/mesh";
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export function computeBoundingBox(objectType: ObjectType): { min: V3; max: V3 } {
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if (!objectType.voxels.length)
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return { min: [0, 0, 0], max: [1, 1, 1] };
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let minX = Infinity, minY = Infinity, minZ = Infinity;
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let maxX = -Infinity, maxY = -Infinity, maxZ = -Infinity;
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for (const v of objectType.voxels) {
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minX = Math.min(minX, v.position[0]);
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minY = Math.min(minY, v.position[1]);
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minZ = Math.min(minZ, v.position[2]);
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maxX = Math.max(maxX, v.position[0] + 1);
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maxY = Math.max(maxY, v.position[1] + 1);
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maxZ = Math.max(maxZ, v.position[2] + 1);
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}
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return { min: [minX, minY, minZ], max: [maxX, maxY, maxZ] };
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}
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export function populateRuntimeObjectType(value: ObjectType, world: World): RuntimeObjectType {
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return {
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...value,
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runtime: {
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voxelGroups: getObjectVoxelGroups(value, world.voxelTypes),
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colliderMesh: buildObjectTrimesh(value, world.voxelTypes),
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boundingBox: computeBoundingBox(value),
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updatedAt: 0,
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},
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};
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}
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export function populateRuntimeObject(value: ObjectInstance, _world: World): RuntimeObjectInstance {
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return {
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...value,
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runtime: {
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rb: () => null,
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},
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};
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}
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export function depopulateRuntimeObjectType(value: RuntimeObjectType, _world: World): ObjectType {
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const { runtime: _, ...result } = value;
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return result;
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}
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export function depopulateRuntimeObject(value: RuntimeObjectInstance, _world: World): ObjectInstance {
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const { runtime: _, ...result } = value;
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return result;
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}
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