|
| 1 | +import test from 'ava'; |
| 2 | +import {CSG} from '../csg'; |
| 3 | +import {nearlyEqual} from "../helpers/nearlyEqual"; |
| 4 | + |
| 5 | +test("CSG.Vector2D creation", t => { |
| 6 | + // FAILS const v1 = new CSG.Vector2D() |
| 7 | + const v2 = new CSG.Vector2D(5,5) |
| 8 | + t.is(v2.x,5) |
| 9 | + t.is(v2.y,5) |
| 10 | + |
| 11 | + const v3 = new CSG.Vector2D([-5,-5]) |
| 12 | + t.is(v3.x,-5) |
| 13 | + t.is(v3.y,-5) |
| 14 | + |
| 15 | + const v4 = new CSG.Vector2D({x: 1, y: -1}) |
| 16 | + t.is(v4.x, 1) |
| 17 | + t.is(v4.y,-1) |
| 18 | + |
| 19 | + const v5 = new CSG.Vector2D(v2) |
| 20 | + t.is(v5.x,5) |
| 21 | + t.is(v5.y,5) |
| 22 | + |
| 23 | + const v6 = CSG.Vector2D.Create(-5,5) |
| 24 | + t.is(v6.x,-5) |
| 25 | + t.is(v6.y, 5) |
| 26 | + |
| 27 | + const v7 = CSG.Vector2D.fromAngleRadians(2) |
| 28 | + nearlyEqual(t,v7.x,-0.4161468365,1e-10) |
| 29 | + nearlyEqual(t,v7.y, 0.9092974268,1e-10) |
| 30 | + |
| 31 | + const v8 = CSG.Vector2D.fromAngle(-2) |
| 32 | + nearlyEqual(t,v8.x,-0.4161468365,1e-10) |
| 33 | + nearlyEqual(t,v8.y,-0.9092974268,1e-10) |
| 34 | + |
| 35 | + const v9 = CSG.Vector2D.fromAngleDegrees(45) |
| 36 | + nearlyEqual(t,v9.x, 0.7071067811,1e-10) |
| 37 | + nearlyEqual(t,v9.y, 0.7071067811,1e-10) |
| 38 | +}); |
| 39 | + |
| 40 | +test("CSG.Vector2D operations", t => { |
| 41 | + const v1 = CSG.Vector2D.fromAngleDegrees(45) |
| 42 | + |
| 43 | + var v2 = v1.clone() |
| 44 | + nearlyEqual(t,v2.x,0.7071067811,1e-10) |
| 45 | + nearlyEqual(t,v2.y,0.7071067811,1e-10) |
| 46 | + |
| 47 | + var l = v2.length() |
| 48 | + t.is(l,1.0) |
| 49 | + l = v2.lengthSquared() |
| 50 | + t.is(l,1.0) |
| 51 | + |
| 52 | + var a = v2.angle() |
| 53 | + nearlyEqual(t,a, 0.7853981633,1e-10) |
| 54 | + a = v2.angleRadians() |
| 55 | + nearlyEqual(t,a, 0.7853981633,1e-10) |
| 56 | + a = v2.angleDegrees() |
| 57 | + nearlyEqual(t,a,45.0,1e-10) |
| 58 | + |
| 59 | + var v3 = v2.negated() |
| 60 | + nearlyEqual(t,v3.x,-0.7071067811,1e-10) |
| 61 | + nearlyEqual(t,v3.y,-0.7071067811,1e-10) |
| 62 | + |
| 63 | + v3 = v2.unit() |
| 64 | + nearlyEqual(t,v3.x,0.7071067811,1e-10) |
| 65 | + nearlyEqual(t,v3.y,0.7071067811,1e-10) |
| 66 | + |
| 67 | + v3 = v3.negated().abs() |
| 68 | + nearlyEqual(t,v3.x,0.7071067811,1e-10) |
| 69 | + nearlyEqual(t,v3.y,0.7071067811,1e-10) |
| 70 | + |
| 71 | + v3 = v2.normal() |
| 72 | + nearlyEqual(t,v3.x, 0.7071067811,1e-10) |
| 73 | + nearlyEqual(t,v3.y,-0.7071067811,1e-10) |
| 74 | + |
| 75 | + t.true(v1.equals(v2)) |
| 76 | + |
| 77 | +// use the 4 corners |
| 78 | + const c1 = new CSG.Vector2D( 5, 0) |
| 79 | + const c2 = new CSG.Vector2D( 0, 5) |
| 80 | + const c3 = new CSG.Vector2D(-5, 0) |
| 81 | + const c4 = new CSG.Vector2D( 0,-5) |
| 82 | + |
| 83 | + v2 = c1.dividedBy(2) |
| 84 | + t.is(v2.x,2.5) |
| 85 | + t.is(v2.y,0.0) |
| 86 | + |
| 87 | + v2 = c1.times(5) |
| 88 | + t.is(v2.x,25.0) |
| 89 | + t.is(v2.y, 0.0) |
| 90 | + |
| 91 | + v2 = c1.plus(c4) |
| 92 | + t.is(v2.x, 5.0) |
| 93 | + t.is(v2.y,-5.0) |
| 94 | + |
| 95 | + v2 = c1.minus(c4) |
| 96 | + t.is(v2.x, 5.0) |
| 97 | + t.is(v2.y, 5.0) |
| 98 | + |
| 99 | + v2 = c1.lerp(c2,5) |
| 100 | + t.is(v2.x,-20.0) |
| 101 | + t.is(v2.y, 25.0) |
| 102 | + |
| 103 | + v2 = c1.min(c4) |
| 104 | + t.is(v2.x, 0.0) |
| 105 | + t.is(v2.y,-5.0) |
| 106 | + |
| 107 | + v2 = c1.max(c4) |
| 108 | + t.is(v2.x,5.0) |
| 109 | + t.is(v2.y,0.0) |
| 110 | + |
| 111 | + var d = c1.dot(c2) |
| 112 | + t.is(d, 0) |
| 113 | + d = c1.dot(c3) |
| 114 | + t.is(d,-25) |
| 115 | + d = c1.dot(c4) |
| 116 | + t.is(d, 0) |
| 117 | + |
| 118 | + d = c1.distanceTo(c2) |
| 119 | + nearlyEqual(t,d,7.0710678118,1e-10) |
| 120 | + d = c1.distanceTo(c3) |
| 121 | + nearlyEqual(t,d,10.0,1e-10) |
| 122 | + d = c1.distanceTo(c4) |
| 123 | + nearlyEqual(t,d,7.0710678118,1e-10) |
| 124 | + |
| 125 | + d = c1.distanceToSquared(c2) |
| 126 | + t.is(d,50.0) |
| 127 | + d = c1.distanceToSquared(c3) |
| 128 | + t.is(d,100.0) |
| 129 | + d = c1.distanceToSquared(c4) |
| 130 | + t.is(d,50.0) |
| 131 | + |
| 132 | + d = c1.cross(c2) |
| 133 | + t.is(d,25.0) |
| 134 | + d = c1.cross(c3) |
| 135 | + t.is(d,0.0) |
| 136 | + d = c1.cross(c4) |
| 137 | + t.is(d,-25.0) |
| 138 | + |
| 139 | +/* |
| 140 | + v2 = c1.multiply4x4(matrix4x4) |
| 141 | + v2 = c1.transform(matrix4x4) |
| 142 | + */ |
| 143 | +}); |
| 144 | + |
| 145 | +test("CSG.Vector2D conversions", t => { |
| 146 | + const v1 = new CSG.Vector2D({x: 1, y: -1}) |
| 147 | + |
| 148 | + var s1 = v1.toString() |
| 149 | + t.is(v1.toString(), '(1.00, -1.00)') |
| 150 | + |
| 151 | + var v3 = v1.toVector3D(5) |
| 152 | + t.is(v3.x, 1) |
| 153 | + t.is(v3.y,-1) |
| 154 | + t.is(v3.z, 5) |
| 155 | +}); |
| 156 | + |
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