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 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 | 25x 25x 25x 25x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 2x 2x 2x 2x 1x 4x 1x 3x 3x 1x 1x 1x 1x 2x 2x 2x 2x 2x 3x 1x 1x 1x 1x 1x 1x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x | // Quaternion export interface Quaternion { x: number; y: number; z: number; w: number; } export class Quaternion { x: number; y: number; z: number; w: number; constructor(x?: number, y?: number, z?: number, w?: number) { this.x = x || 0; this.y = y || 0; this.z = z || 0; this.w = w !== undefined ? w : 1; } set(x: number, y: number, z: number, w: number) { this.x = x; this.y = y; this.z = z; this.w = w; return this; } copy(q: Quaternion) { this.x = q.x; this.y = q.y; this.z = q.z; this.w = q.w; return this; } conjugate() { this.x *= -1; this.y *= -1; this.z *= -1; return this; } inverse() { return this.conjugate().normalize(); } length() { return Math.sqrt(this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w); } lengthxyz() { return Math.sqrt(this.x * this.x + this.y * this.y + this.z * this.z); } normalize() { let l = this.length(); if (l === 0) { this.x = 0; this.y = 0; this.z = 0; this.w = 1; } else { l = 1 / l; this.x *= l; this.y *= l; this.z *= l; this.w *= l; } return this; } multiply(q: any) { return this.multiplyQuaternions(this, q); } multiplyScalar(s: number) { this.x *= s; this.y *= s; this.z *= s; this.w *= s; return this; } multiplyQuaternions(a: Quaternion, b: Quaternion) { const qax = a.x; const qay = a.y; const qaz = a.z; const qaw = a.w; const qbx = b.x; const qby = b.y; const qbz = b.z; const qbw = b.w; this.x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby; this.y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz; this.z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx; this.w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz; return this; } sub(q: Quaternion) { this.x -= q.x; this.y -= q.y; this.z -= q.z; this.w -= q.w; return this; } clone() { return new Quaternion(this.x, this.y, this.z, this.w); } setFromEuler(e: Quaternion) { const c1 = Math.cos(e.x / 2); const c2 = Math.cos(e.y / 2); const c3 = Math.cos(e.z / 2); const s1 = Math.sin(e.x / 2); const s2 = Math.sin(e.y / 2); const s3 = Math.sin(e.z / 2); this.x = s1 * c2 * c3 + c1 * s2 * s3; this.y = c1 * s2 * c3 - s1 * c2 * s3; this.z = c1 * c2 * s3 + s1 * s2 * c3; this.w = c1 * c2 * c3 - s1 * s2 * s3; return this; } } |