UNPKG

sku-pg

Version:

Skulpt is a Javascript implementation of Python 2.x. Python that runs in your browser!

233 lines (190 loc) 8.18 kB
<!DOCTYPE html> <html> <!-- Copyright 2013 The Closure Library Authors. All Rights Reserved. Use of this source code is governed by the Apache License, Version 2.0. See the COPYING file for details. ////////////////////////// NOTE ABOUT EDITING THIS FILE /////////////////////// // // // Any edits to this file must be applied to vec3f_test.html by running: // // swap_type.sh vec3d_test.html > vec3f_test.html // // // ////////////////////////// NOTE ABOUT EDITING THIS FILE /////////////////////// --> <head> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>Closure Unit Tests - goog.vec.vec3d</title> <script src="../base.js"></script> <script> goog.require('goog.vec.Float64Array'); goog.require('goog.vec.vec3d'); goog.require('goog.testing.jsunit'); </script> </head> <body> <script> function testCreate() { var v = goog.vec.vec3d.create(); assertElementsEquals([0, 0, 0], v); } function testSet() { var v = goog.vec.vec3d.create(); goog.vec.vec3d.setFromValues(v, 1, 2, 3); assertElementsEquals([1, 2, 3], v); goog.vec.vec3d.setFromArray(v, [4, 5, 6]); assertElementsEquals([4, 5, 6], v); var w = goog.vec.vec3d.create(); goog.vec.vec3d.setFromValues(w, 1, 2, 3); assertElementsEquals([1, 2, 3], w); goog.vec.vec3d.setFromArray(w, [4, 5, 6]); assertElementsEquals([4, 5, 6], w); } function testAdd() { var v0 = goog.vec.vec3d.setFromArray(goog.vec.vec3d.create(), [1, 2, 3]); var v1 = goog.vec.vec3d.setFromArray(goog.vec.vec3d.create(), [4, 5, 6]); var v2 = goog.vec.vec3d.setFromVec3d(goog.vec.vec3d.create(), v0); goog.vec.vec3d.add(v2, v1, v2); assertElementsEquals([1, 2, 3], v0); assertElementsEquals([4, 5, 6], v1); assertElementsEquals([5, 7, 9], v2); goog.vec.vec3d.add(goog.vec.vec3d.add(v0, v1, v2), v0, v2); assertElementsEquals([6, 9, 12], v2); } function testSubtract() { var v0 = goog.vec.vec3d.setFromArray(goog.vec.vec3d.create(), [1, 2, 3]); var v1 = goog.vec.vec3d.setFromArray(goog.vec.vec3d.create(), [4, 5, 6]); var v2 = goog.vec.vec3d.setFromVec3d(goog.vec.vec3d.create(), v0); goog.vec.vec3d.subtract(v2, v1, v2); assertElementsEquals([1, 2, 3], v0); assertElementsEquals([4, 5, 6], v1); assertElementsEquals([-3, -3, -3], v2); goog.vec.vec3d.setFromValues(v2, 0, 0, 0); goog.vec.vec3d.subtract(v1, v0, v2); assertElementsEquals([3, 3, 3], v2); v2 = goog.vec.vec3d.setFromVec3d(goog.vec.vec3d.create(), v0); goog.vec.vec3d.subtract(v2, v1, v2); assertElementsEquals([-3, -3, -3], v2); goog.vec.vec3d.subtract(goog.vec.vec3d.subtract(v1, v0, v2), v0, v2); assertElementsEquals([2, 1, 0], v2); } function testNegate() { var v0 = goog.vec.vec3d.setFromArray(goog.vec.vec3d.create(), [1, 2, 3]); var v1 = goog.vec.vec3d.create(); goog.vec.vec3d.negate(v0, v1); assertElementsEquals([-1, -2, -3], v1); assertElementsEquals([1, 2, 3], v0); goog.vec.vec3d.negate(v0, v0); assertElementsEquals([-1, -2, -3], v0); } function testScale() { var v0 = goog.vec.vec3d.setFromArray(goog.vec.vec3d.create(), [1, 2, 3]); var v1 = goog.vec.vec3d.create(); goog.vec.vec3d.scale(v0, 4, v1); assertElementsEquals([4, 8, 12], v1); assertElementsEquals([1, 2, 3], v0); goog.vec.vec3d.setFromArray(v1, v0); goog.vec.vec3d.scale(v1, 5, v1); assertElementsEquals([5, 10, 15], v1); } function testMagnitudeSquared() { var v0 = goog.vec.vec3d.setFromArray(goog.vec.vec3d.create(), [1, 2, 3]); assertEquals(14, goog.vec.vec3d.magnitudeSquared(v0)); } function testMagnitude() { var v0 = goog.vec.vec3d.setFromArray(goog.vec.vec3d.create(), [1, 2, 3]); assertEquals(Math.sqrt(14), goog.vec.vec3d.magnitude(v0)); } function testNormalize() { var v0 = goog.vec.vec3d.setFromArray(goog.vec.vec3d.create(), [2, 3, 4]); var v1 = goog.vec.vec3d.create(); var v2 = goog.vec.vec3d.create(); goog.vec.vec3d.scale( v0, 1 / goog.vec.vec3d.magnitude(v0), v2); goog.vec.vec3d.normalize(v0, v1); assertElementsEquals(v2, v1); assertElementsEquals([2, 3, 4], v0); goog.vec.vec3d.setFromArray(v1, v0); goog.vec.vec3d.normalize(v1, v1); assertElementsEquals(v2, v1); } function testDot() { var v0 = goog.vec.vec3d.setFromArray(goog.vec.vec3d.create(), [1, 2, 3]); var v1 = goog.vec.vec3d.setFromArray(goog.vec.vec3d.create(), [4, 5, 6]); assertEquals(32, goog.vec.vec3d.dot(v0, v1)); assertEquals(32, goog.vec.vec3d.dot(v1, v0)); } function testCross() { var v0 = goog.vec.vec3d.setFromArray(goog.vec.vec3d.create(), [1, 2, 3]); var v1 = goog.vec.vec3d.setFromArray(goog.vec.vec3d.create(), [4, 5, 6]); var crossVec = goog.vec.vec3d.create(); goog.vec.vec3d.cross(v0, v1, crossVec); assertElementsEquals([1, 2, 3], v0); assertElementsEquals([4, 5, 6], v1); assertElementsEquals([-3, 6, -3], crossVec); goog.vec.vec3d.setFromArray(crossVec, v1); goog.vec.vec3d.cross(crossVec, v0, crossVec); assertElementsEquals([1, 2, 3], v0); assertElementsEquals([4, 5, 6], v1); assertElementsEquals([3, -6, 3], crossVec); goog.vec.vec3d.cross(v0, v0, v0); assertElementsEquals([0, 0, 0], v0); } function testDistanceSquared() { var v0 = goog.vec.vec3d.setFromValues(goog.vec.vec3d.create(), 1, 2, 3); var v1 = goog.vec.vec3d.setFromValues(goog.vec.vec3d.create(), 1, 2, 3); assertEquals(0, goog.vec.vec3d.distanceSquared(v0, v1)); goog.vec.vec3d.setFromValues(v0, 1, 2, 3); goog.vec.vec3d.setFromValues(v1, -1, -2, -1); assertEquals(36, goog.vec.vec3d.distanceSquared(v0, v1)); } function testDistance() { var v0 = goog.vec.vec3d.setFromValues(goog.vec.vec3d.create(), 1, 2, 3); var v1 = goog.vec.vec3d.setFromValues(goog.vec.vec3d.create(), 1, 2, 3); assertEquals(0, goog.vec.vec3d.distance(v0, v1)); goog.vec.vec3d.setFromValues(v0, 1, 2, 3); goog.vec.vec3d.setFromValues(v1, -1, -2, -1); assertEquals(6, goog.vec.vec3d.distance(v0, v1)); } function testDirection() { var v0 = goog.vec.vec3d.setFromValues(goog.vec.vec3d.create(), 1, 2, 3); var v1 = goog.vec.vec3d.setFromValues(goog.vec.vec3d.create(), 1, 2, 3); var dirVec = goog.vec.vec3d.setFromValues(goog.vec.vec3d.create(), 4, 5, 6); goog.vec.vec3d.direction(v0, v1, dirVec); assertElementsEquals([0, 0, 0], dirVec); goog.vec.vec3d.setFromValues(v0, 0, 0, 0); goog.vec.vec3d.setFromValues(v1, 1, 0, 0); goog.vec.vec3d.direction(v0, v1, dirVec); assertElementsEquals([1, 0, 0], dirVec); goog.vec.vec3d.setFromValues(v0, 1, 1, 1); goog.vec.vec3d.setFromValues(v1, 0, 0, 0); goog.vec.vec3d.direction(v0, v1, dirVec); assertElementsRoughlyEqual( [-0.5773502588272095, -0.5773502588272095, -0.5773502588272095], dirVec, goog.vec.EPSILON); } function testLerp() { var v0 = goog.vec.vec3d.setFromValues(goog.vec.vec3d.create(), 1, 2, 3); var v1 = goog.vec.vec3d.setFromValues(goog.vec.vec3d.create(), 10, 20, 30); var v2 = goog.vec.vec3d.setFromVec3d(goog.vec.vec3d.create(), v0); goog.vec.vec3d.lerp(v2, v1, 0, v2); assertElementsEquals([1, 2, 3], v2); goog.vec.vec3d.lerp(v2, v1, 1, v2); assertElementsEquals([10, 20, 30], v2); goog.vec.vec3d.lerp(v0, v1, .5, v2); assertElementsEquals([5.5, 11, 16.5], v2); } function testEquals() { var v0 = goog.vec.vec3d.setFromValues(goog.vec.vec3d.create(), 1, 2, 3); var v1 = goog.vec.vec3d.setFromVec3d(goog.vec.vec3d.create(), v0); assertElementsEquals(v0, v1); v1[0] = 4; assertFalse(goog.vec.vec3d.equals(v0, v1)); v1 = goog.vec.vec3d.setFromVec3d(goog.vec.vec3d.create(), v0); v1[1] = 4; assertFalse(goog.vec.vec3d.equals(v0, v1)); v1 = goog.vec.vec3d.setFromVec3d(goog.vec.vec3d.create(), v0); v1[2] = 4; assertFalse(goog.vec.vec3d.equals(v0, v1)); } </script> </body>