From 74e9bd8a46e20666700ce79e22d08a2a05f2c26f Mon Sep 17 00:00:00 2001 From: Sven Gothel Date: Sun, 27 Aug 2023 13:04:17 +0200 Subject: Add TestVec3f01NOUI: This test shall be enhanced, only priliminary angle tests for now --- .../test/junit/jogl/math/TestVec3f01NOUI.java | 137 +++++++++++++++++++++ 1 file changed, 137 insertions(+) create mode 100644 src/test/com/jogamp/opengl/test/junit/jogl/math/TestVec3f01NOUI.java (limited to 'src/test/com/jogamp') diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/math/TestVec3f01NOUI.java b/src/test/com/jogamp/opengl/test/junit/jogl/math/TestVec3f01NOUI.java new file mode 100644 index 000000000..fe762926f --- /dev/null +++ b/src/test/com/jogamp/opengl/test/junit/jogl/math/TestVec3f01NOUI.java @@ -0,0 +1,137 @@ +/** + * Copyright 2023 JogAmp Community. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * The views and conclusions contained in the software and documentation are those of the + * authors and should not be interpreted as representing official policies, either expressed + * or implied, of JogAmp Community. + */ + +package com.jogamp.opengl.test.junit.jogl.math; + +import org.junit.Assert; +import org.junit.Test; +import org.junit.FixMethodOrder; +import org.junit.runners.MethodSorters; + +import com.jogamp.junit.util.JunitTracer; +import com.jogamp.opengl.math.FloatUtil; +import com.jogamp.opengl.math.Quaternion; +import com.jogamp.opengl.math.Vec3f; + +@FixMethodOrder(MethodSorters.NAME_ASCENDING) +public class TestVec3f01NOUI extends JunitTracer { + static final boolean DEBUG = false; + + static final Quaternion QUAT_IDENT = new Quaternion(0f, 0f, 0f, 1f); + + static final Vec3f ZERO = new Vec3f(); + static final Vec3f ONE = Vec3f.ONE; + static final Vec3f NEG_ONE = new Vec3f ( -1f, -1f, -1f ); + static final Vec3f UNIT_X = Vec3f.UNIT_X; + static final Vec3f UNIT_X_NEG = Vec3f.UNIT_X_NEG; + static final Vec3f UNIT_Y = Vec3f.UNIT_Y; + static final Vec3f UNIT_Z = Vec3f.UNIT_Z; + + static final float MACH_EPSILON = FloatUtil.EPSILON; + + // + // Basic + // + + @Test + public void test01Normalize() { + final Vec3f v0 = UNIT_X; + final Vec3f v1 = new Vec3f(1, 2, 3); + Assert.assertEquals(1f, v0.length(), MACH_EPSILON); + Assert.assertEquals(1f, v1.normalize().length(), MACH_EPSILON); + } + + @Test + public void test02Angle() { + // test 0 deg + { + System.err.println("Test 0-deg, UNIT_X vecs"); + final Vec3f v0 = UNIT_X; + final Vec3f v1 = UNIT_X; + System.err.println("v0 "+v0); + System.err.println("v1 "+v1); + final float a0_v0_v1 = v0.angle(v1); + System.err.println("a0(v0, v1) = "+a0_v0_v1+" rad, "+FloatUtil.radToADeg(a0_v0_v1)+" deg, via dot, acos"); + Assert.assertEquals(0f, a0_v0_v1, MACH_EPSILON); + } + // test 0 deg + { + System.err.println("Test 0-deg, free vecs"); + final Vec3f v0 = new Vec3f(0.14f, 0.07f, 0f); + final Vec3f v1 = new Vec3f(0.33f, 0.07f, 0f); + final Vec3f v0_1 = v1.minus(v0); + System.err.println("v0 "+v0); + System.err.println("v1 "+v1); + System.err.println("v0_1 "+v0_1); + + final float a0_x_v0_1 = UNIT_X.angle(v0_1); + System.err.println("a0(X, v0_1) = "+a0_x_v0_1+" rad, "+FloatUtil.radToADeg(a0_x_v0_1)+" deg, via dot, acos"); + Assert.assertEquals(0f, a0_x_v0_1, MACH_EPSILON); + } + // test 180 deg + { + System.err.println("Test 180-deg, free vecs"); + final Vec3f v0 = new Vec3f(0.33f, 0.07f, 0f); + final Vec3f v1 = new Vec3f(0.14f, 0.07f, 0f); + final Vec3f v0_1 = v1.minus(v0); + System.err.println("v0 "+v0); + System.err.println("v1 "+v1); + System.err.println("v0_1 "+v0_1); + + final float a0_x_v0_1 = UNIT_X.angle(v0_1); + System.err.println("a0(X, v0_1) = "+a0_x_v0_1+" rad, "+FloatUtil.radToADeg(a0_x_v0_1)+" deg, via dot, acos"); + Assert.assertEquals(FloatUtil.PI, a0_x_v0_1, MACH_EPSILON); + } + // test 90 deg + { + System.err.println("Test 90-deg, UNIT_X, UNIT_Y vecs"); + final Vec3f v0 = UNIT_X; + final Vec3f v1 = UNIT_Y; + System.err.println("v0 "+v0); + System.err.println("v1 "+v1); + final float a0_v0_v1 = v0.angle(v1); + System.err.println("a0(v0, v1) = "+a0_v0_v1+" rad, "+FloatUtil.radToADeg(a0_v0_v1)+" deg, via dot, acos"); + Assert.assertEquals(FloatUtil.HALF_PI, a0_v0_v1, MACH_EPSILON); + } + // test 180 deg + { + System.err.println("Test 180-deg, UNIT_X, UNIT_X_NEG vecs"); + final Vec3f v0 = UNIT_X; + final Vec3f v1 = UNIT_X_NEG; + System.err.println("v0 "+v0); + System.err.println("v1 "+v1); + final float a0_v0_v1 = v0.angle(v1); + System.err.println("a0(v0, v1) = "+a0_v0_v1+" rad, "+FloatUtil.radToADeg(a0_v0_v1)+" deg, via dot, acos"); + Assert.assertEquals(FloatUtil.PI, a0_v0_v1, MACH_EPSILON); + } + } + + public static void main(final String args[]) { + org.junit.runner.JUnitCore.main(TestVec3f01NOUI.class.getName()); + } +} -- cgit v1.2.3