WasmGPU.math.quat.distsq¶
Summary¶
WasmGPU.math.quat.distsq computes squared distance between two inputs. Prefer it for comparisons where square root is unnecessary.
Syntax¶
WasmGPU.math.quat.distsq(q1: number[], q2: number[]): number
const result = wgpu.math.quat.distsq(q1, q2);
Precision-Specific Wasm Forms¶
WasmGPU.math.quatf.distsq(a: WasmPtr, b: WasmPtr): number
WasmGPU.math.quatd.distsq(a: WasmPtr, b: WasmPtr): number
These forms use caller-owned pointers to 4-element quaternion blocks in WasmGPU driver memory: binary32 for quatf and binary64 for quatd. Methods with an output pointer write that block instead of allocating a JavaScript array. See WasmGPU.math for allocation, views, aliasing, and release requirements.
Parameters¶
| Name | Type | Required | Description |
|---|---|---|---|
q1 |
number[] |
Yes | First quaternion input as [x, y, z, w]. |
q2 |
number[] |
Yes | Second quaternion input as [x, y, z, w]. |
Returns¶
number - Squared Euclidean distance between the two inputs.
Type Details¶
Example¶
const canvas = document.querySelector("canvas");
const wgpu = await WasmGPU.create(canvas);
const q1 = [0, 0, 0, 1];
const q2 = [0, Math.sin(Math.PI / 4), 0, Math.cos(Math.PI / 4)];
const result = wgpu.math.quat.distsq(q1, q2);
console.log(result);